feat: support YAML (#4563)

* feat: support YAML

* fix: do not indent sequence in mappingValue

* docs: add yaml to index.md

* fix: reduce `SyntaxError: Node#parse consumed no characters`

* chore: remove old-build and new-worker.js

* refactor

* refactor

* refactor

* refactor

* refactor

* refactor

* refactor

* refactor

* refactor

* refactor

* refactor

* refactor

* fix: no space after `<<`

* fix: add yaml to standalone test

* test: add tests

* fix: next empty line in flow collection

* fix: tabs are not allowed
http://yaml.org/spec/1.2/spec.html#space/indentation/

* fix: update parser

* feat: rewrite the mappingItem logic
* feat: indent sequence in mapping
* feat(doc): add ifBreak#groupId and group#id

* chore: fix node 4

* chore: add tools_yaml.svg

* chore: remove resolved TODO

* refactor: remove unnecessary workaround

* chore(worker): importScriptOnce

* chore(build): rename with babelPlugins

* make it rollup compatible

* feat: support singleQuote

* refactor

README.md

@@ -15,6 +15,7 @@
   · GraphQL
   · JSON
   · Markdown
+  · YAML
   · <a href="https://prettier.io/docs/en/plugins.html">
       Your favorite language?
     </a>

docs/index.md

@@ -13,6 +13,7 @@ Prettier is an opinionated code formatter with support for:
 - [JSON](http://json.org/)
 - [GraphQL](http://graphql.org/)
 - [Markdown](http://commonmark.org/), including [GFM](https://github.github.com/gfm/)
+- [YAML](http://yaml.org/)
 
 It removes all original styling[\*](#footnotes) and ensures that all outputted code conforms to a consistent style. (See this [blog post](http://jlongster.com/A-Prettier-Formatter))
 

docs/language-support.md

@@ -7,6 +7,6 @@ Prettier attempts to support all JavaScript language features, including non-sta
 
 All of JSX and Flow syntax is supported. In fact, the test suite in `tests/flow` _is_ the entire Flow test suite and they all pass.
 
-Prettier also supports [TypeScript](https://www.typescriptlang.org/), CSS, [Less](http://lesscss.org/), [SCSS](http://sass-lang.com), [Vue](https://vuejs.org/), [JSON](http://json.org/), [GraphQL](http://graphql.org/), and [Markdown](http://commonmark.org).
+Prettier also supports [TypeScript](https://www.typescriptlang.org/), CSS, [Less](http://lesscss.org/), [SCSS](http://sass-lang.com), [Vue](https://vuejs.org/), [JSON](http://json.org/), [GraphQL](http://graphql.org/), [Markdown](http://commonmark.org), and [YAML](http://yaml.org/).
 
 The minimum version of TypeScript supported is 2.1.3 as it introduces the ability to have leading `|` for type definitions which prettier outputs.

package.json

@@ -57,7 +57,9 @@
     "typescript": "3.0.0-dev.20180602",
     "typescript-eslint-parser": "16.0.0",
     "unicode-regex": "1.0.1",
-    "unified": "6.1.6"
+    "unified": "6.1.6",
+    "yaml": "1.0.0-beta.7",
+    "yaml-unist-parser": "1.0.0-beta.4"
   },
   "devDependencies": {
     "@babel/cli": "7.0.0-beta.49",
@@ -80,6 +82,7 @@
     "prettylint": "1.0.0",
     "rimraf": "2.6.2",
     "rollup": "0.47.6",
+    "rollup-plugin-alias": "1.4.0",
     "rollup-plugin-babel": "4.0.0-beta.4",
     "rollup-plugin-commonjs": "8.2.6",
     "rollup-plugin-json": "2.1.1",

scripts/build/babel-plugins/replace-array-includes-with-indexof.js

@@ -0,0 +1,26 @@
+"use strict";
+
+//
+// BEFORE:
+//   [__something__].includes(__something__)
+//
+// AFTER:
+//   [__something__].indexOf(__something__) !== -1
+//
+
+module.exports = ({ types: t }) => ({
+  visitor: {
+    CallExpression(path) {
+      const node = path.node;
+      const callee = node.callee;
+      if (
+        t.isMemberExpression(callee, { computed: false }) &&
+        t.isArrayExpression(callee.object) &&
+        t.isIdentifier(callee.property, { name: "includes" })
+      ) {
+        callee.property.name = "indexOf";
+        path.replaceWith(t.binaryExpression("!==", node, t.numericLiteral(-1)));
+      }
+    }
+  }
+});

scripts/build/bundler.js

@@ -5,6 +5,7 @@ const path = require("path");
 const { rollup } = require("rollup");
 const webpack = require("webpack");
 const resolve = require("rollup-plugin-node-resolve");
+const alias = require("rollup-plugin-alias");
 const commonjs = require("rollup-plugin-commonjs");
 const nodeGlobals = require("rollup-plugin-node-globals");
 const json = require("rollup-plugin-json");
@@ -36,7 +37,7 @@ const EXTERNALS = [
 function getBabelConfig(bundle) {
   const config = {
     babelrc: false,
-    plugins: [],
+    plugins: bundle.babelPlugins || [],
     compact: bundle.type === "plugin" ? false : "auto"
   };
   if (bundle.type === "core") {
@@ -108,6 +109,7 @@ function getRollupConfig(bundle) {
     replace(replaceStrings),
     executable(),
     json(),
+    bundle.alias && alias(bundle.alias),
     bundle.target === "universal" &&
       nativeShims(path.resolve(__dirname, "shims")),
     resolve({

scripts/build/config.js

@@ -13,6 +13,7 @@ const path = require("path");
  * @property {CommonJSConfig} [commonjs={}] - options for `rollup-plugin-commonjs`
  * @property {string[]} external - array of paths that should not be included in the final bundle
  * @property {Object.<string, string>} replace - map of strings to replace when processing the bundle
+ * @property {string[]} babelPlugins - babel plugins
 
  * @typedef {Object} CommonJSConfig
  * @property {Object} namedExports - for cases where rollup can't infer what's exported
@@ -66,6 +67,18 @@ const parsers = [
   {
     input: "src/language-html/parser-parse5.js",
     target: "node"
+  },
+  {
+    input: "src/language-yaml/parser-yaml.js",
+    target: "universal",
+    alias: {
+      // Force using the CJS file, instead of ESM; i.e. get the file
+      // from `"main"` instead of `"module"` (rollup default) of package.json
+      "lines-and-columns": require.resolve("lines-and-columns")
+    },
+    babelPlugins: [
+      require.resolve("./babel-plugins/replace-array-includes-with-indexof")
+    ]
   }
 ].map(parser => {
   const name = getFileOutput(parser)

scripts/build/shims/assert.js

@@ -1,4 +1,4 @@
-export default {
+function assert() {}
-  ok() {},
+assert.ok = function() {};
-  strictEqual() {}
+assert.strictEqual = function() {};
-};
+export default assert;

src/common/internal-plugins.js

@@ -109,5 +109,15 @@ module.exports = [
         return $$$r("../language-vue/parser-vue").parsers.vue;
       }
     }
+  },
+
+  // YAML
+  require("../language-yaml"),
+  {
+    parsers: {
+      get yaml() {
+        return $$$r("../language-yaml/parser-yaml").parsers.yaml;
+      }
+    }
   }
 ];

src/doc/doc-builders.js

@@ -50,6 +50,7 @@ function group(contents, opts) {
 
   return {
     type: "group",
+    id: opts.id,
     contents: contents,
     break: !!opts.shouldBreak,
     expandedStates: opts.expandedStates
@@ -83,7 +84,9 @@ function fill(parts) {
   return { type: "fill", parts };
 }
 
-function ifBreak(breakContents, flatContents) {
+function ifBreak(breakContents, flatContents, opts) {
+  opts = opts || {};
+
   if (process.env.NODE_ENV !== "production") {
     if (breakContents) {
       assertDoc(breakContents);
@@ -93,7 +96,12 @@ function ifBreak(breakContents, flatContents) {
     }
   }
 
-  return { type: "if-break", breakContents, flatContents };
+  return {
+    type: "if-break",
+    breakContents,
+    flatContents,
+    groupId: opts.groupId
+  };
 }
 
 function lineSuffix(contents) {

src/doc/doc-printer.js

@@ -3,6 +3,9 @@
 const util = require("../common/util");
 const { concat, fill, cursor } = require("./doc-builders");
 
+/** @type {{[groupId: PropertyKey]: MODE}} */
+let groupModeMap;
+
 const MODE_BREAK = 1;
 const MODE_FLAT = 2;
 
@@ -150,6 +153,9 @@ function fits(next, restCommands, width, options, mustBeFlat) {
           }
           cmds.push([ind, doc.break ? MODE_BREAK : mode, doc.contents]);
 
+          if (doc.id) {
+            groupModeMap[doc.id] = cmds[cmds.length - 1][1];
+          }
           break;
         case "fill":
           for (let i = doc.parts.length - 1; i >= 0; i--) {
@@ -157,19 +163,21 @@ function fits(next, restCommands, width, options, mustBeFlat) {
           }
 
           break;
-        case "if-break":
+        case "if-break": {
-          if (mode === MODE_BREAK) {
+          const groupMode = doc.groupId ? groupModeMap[doc.groupId] : mode;
+          if (groupMode === MODE_BREAK) {
             if (doc.breakContents) {
               cmds.push([ind, mode, doc.breakContents]);
             }
           }
-          if (mode === MODE_FLAT) {
+          if (groupMode === MODE_FLAT) {
             if (doc.flatContents) {
               cmds.push([ind, mode, doc.flatContents]);
             }
           }
 
           break;
+        }
         case "line":
           switch (mode) {
             // fallthrough
@@ -194,6 +202,8 @@ function fits(next, restCommands, width, options, mustBeFlat) {
 }
 
 function printDocToString(doc, options) {
+  groupModeMap = {};
+
   const width = options.printWidth;
   const newLine = options.newLine || "\n";
   let pos = 0;
@@ -299,6 +309,10 @@ function printDocToString(doc, options) {
               break;
             }
           }
+
+          if (doc.id) {
+            groupModeMap[doc.id] = cmds[cmds.length - 1][1];
+          }
           break;
         // Fills each line with as much code as possible before moving to a new
         // line with the same indentation.
@@ -395,19 +409,21 @@ function printDocToString(doc, options) {
           }
           break;
         }
-        case "if-break":
+        case "if-break": {
-          if (mode === MODE_BREAK) {
+          const groupMode = doc.groupId ? groupModeMap[doc.groupId] : mode;
+          if (groupMode === MODE_BREAK) {
             if (doc.breakContents) {
               cmds.push([ind, mode, doc.breakContents]);
             }
           }
-          if (mode === MODE_FLAT) {
+          if (groupMode === MODE_FLAT) {
             if (doc.flatContents) {
               cmds.push([ind, mode, doc.flatContents]);
             }
           }
 
           break;
+        }
         case "line-suffix":
           lineSuffix.push([ind, mode, doc.contents]);
           break;

src/language-yaml/index.js

@@ -0,0 +1,34 @@
+"use strict";
+
+const printer = require("./printer-yaml");
+const options = require("./options");
+
+const language = {
+  name: "YAML",
+  parsers: ["yaml"],
+  vscodeLanguageIds: ["yaml"],
+  // https://github.com/github/linguist/blob/master/lib/linguist/languages.yml
+  aceMode: "yaml",
+  aliases: ["yml"],
+  codemirrorMimeType: "text/x-yaml",
+  codemirrorMode: "yaml",
+  extensions: [
+    ".yml",
+    ".reek",
+    ".rviz",
+    ".sublime-syntax",
+    ".syntax",
+    ".yaml",
+    ".yaml-tmlanguage",
+    ".yml.mysql"
+  ],
+  filenames: [".clang-format", ".clang-tidy", ".gemrc"],
+  linguistLanguageId: 407,
+  tmScope: "source.yaml"
+};
+
+module.exports = {
+  languages: [language],
+  printers: { yaml: printer },
+  options
+};

src/language-yaml/options.js

@@ -0,0 +1,8 @@
+"use strict";
+
+const commonOptions = require("../common/common-options");
+
+// format based on https://github.com/prettier/prettier/blob/master/src/main/core-options.js
+module.exports = {
+  bracketSpacing: commonOptions.bracketSpacing
+};

src/language-yaml/parser-yaml.js

@@ -0,0 +1,73 @@
+"use strict";
+
+const createError = require("../common/parser-create-error");
+const { hasPragma } = require("./pragma");
+const { createNull, defineShortcut, mapNode } = require("./utils");
+
+function defineShortcuts(node) {
+  switch (node.type) {
+    case "document":
+      defineShortcut(node, "head", () => node.children[0]);
+      defineShortcut(node, "body", () => node.children[1]);
+      break;
+    case "sequenceItem":
+    case "flowSequenceItem":
+    case "mappingKey":
+    case "mappingValue":
+      defineShortcut(node, "node", () => node.children[0]);
+      break;
+    case "mappingItem":
+    case "flowMappingItem":
+      defineShortcut(node, "key", () => node.children[0]);
+      defineShortcut(node, "value", () => node.children[1]);
+      break;
+  }
+}
+
+function parse(text) {
+  try {
+    const root = mapNode(require("yaml-unist-parser").parse(text), node => {
+      // replace explicit empty MappingKey/MappingValue with implicit one
+      if (
+        (node.type === "mappingKey" || node.type === "mappingValue") &&
+        node.children[0].type === "null" &&
+        node.leadingComments.length === 0 &&
+        node.trailingComments.length === 0
+      ) {
+        return createNull();
+      }
+
+      defineShortcuts(node);
+      return node;
+    });
+
+    /**
+     * suppress `comment not printed` error
+     *
+     * comments are handled in printer-yaml.js without using `printComment`
+     * so that it'll always throw errors even if we printed it correctly
+     */
+    delete root.comments;
+
+    return root;
+  } catch (error) {
+    // istanbul ignore next
+    throw error && error.name === "YAMLSyntaxError"
+      ? createError(error.message, error.position)
+      : error;
+  }
+}
+
+const parser = {
+  astFormat: "yaml",
+  parse,
+  hasPragma,
+  locStart: node => node.position.start.offset,
+  locEnd: node => node.position.end.offset
+};
+
+module.exports = {
+  parsers: {
+    yaml: parser
+  }
+};

src/language-yaml/pragma.js

@@ -0,0 +1,19 @@
+"use strict";
+
+function isPragma(text) {
+  return /^\s*@(prettier|format)\s*$/.test(text);
+}
+
+function hasPragma(text) {
+  return /^\s*#[^\n\S]*@(prettier|format)\s*?(\n|$)/.test(text);
+}
+
+function insertPragma(text) {
+  return `# @format\n\n${text}`;
+}
+
+module.exports = {
+  isPragma,
+  hasPragma,
+  insertPragma
+};

src/language-yaml/printer-yaml.js

@@ -0,0 +1,506 @@
+"use strict";
+
+const { insertPragma, isPragma } = require("./pragma");
+const {
+  getAncestorCount,
+  getLast,
+  getLastDescendantNode,
+  hasExplicitDocumentEndMarker,
+  hasLeadingComments,
+  hasMiddleComments,
+  hasTrailingComments,
+  hasPrettierIgnore,
+  isLastDescendantNode,
+  isNextLineEmpty,
+  isNode,
+  isBlockValue,
+  restoreBlockFoldedValue
+} = require("./utils");
+const docBuilders = require("../doc").builders;
+const {
+  conditionalGroup,
+  breakParent,
+  concat,
+  dedent,
+  dedentToRoot,
+  fill,
+  group,
+  hardline,
+  ifBreak,
+  join,
+  line,
+  lineSuffix,
+  literalline,
+  markAsRoot,
+  softline
+} = docBuilders;
+
+function genericPrint(path, options, print) {
+  const node = path.getValue();
+  const parentNode = path.getParentNode();
+
+  const tag =
+    "tag" in node && node.tag.type !== "null" ? path.call(print, "tag") : "";
+
+  const anchor =
+    "anchor" in node && node.anchor.type !== "null"
+      ? path.call(print, "anchor")
+      : "";
+
+  const nextEmptyLine =
+    (node.type === "mapping" ||
+      node.type === "sequence" ||
+      node.type === "comment" ||
+      node.type === "directive" ||
+      node.type === "mappingItem" ||
+      node.type === "sequenceItem") &&
+    !isLastDescendantNode(path)
+      ? printNextEmptyLine(path, options.originalText)
+      : "";
+
+  return concat([
+    node.type !== "mappingValue" && hasLeadingComments(node)
+      ? concat([join(hardline, path.map(print, "leadingComments")), hardline])
+      : "",
+    tag,
+    tag && anchor ? " " : "",
+    anchor,
+    (node.type === "sequence" || node.type === "mapping") &&
+    node.middleComments.length === 0
+      ? tag || anchor
+        ? hardline
+        : ""
+      : tag || anchor
+        ? " "
+        : "",
+    hasMiddleComments(node)
+      ? concat([
+          node.middleComments.length === 1 ? "" : hardline,
+          join(hardline, path.map(print, "middleComments")),
+          hardline
+        ])
+      : "",
+    hasPrettierIgnore(path)
+      ? options.originalText.slice(
+          node.position.start.offset,
+          node.position.end.offset
+        )
+      : group(_print(node, parentNode, path, options, print)),
+    !isBlockValue(node) && hasTrailingComments(node) // trailing comments for block value are handled themselves
+      ? lineSuffix(
+          concat([
+            " ",
+            parentNode.type === "mappingKey" &&
+            path.getParentNode(2).type === "mapping" &&
+            isInlineNode(node)
+              ? ""
+              : breakParent,
+            join(hardline, path.map(print, "trailingComments"))
+          ])
+        )
+      : "",
+    nextEmptyLine
+  ]);
+}
+
+function _print(node, parentNode, path, options, print) {
+  switch (node.type) {
+    case "root":
+      return concat([
+        concat(
+          path.map(
+            (childPath, index) =>
+              index === node.children.length - 1
+                ? print(childPath)
+                : concat([
+                    print(childPath),
+                    hasTrailingComments(node.children[index]) ||
+                    (childPath.call(hasPrettierIgnore, "body") &&
+                      hasExplicitDocumentEndMarker(
+                        node.children[index],
+                        options.originalText
+                      ))
+                      ? ""
+                      : concat([hardline, "..."]),
+                    hardline
+                  ]),
+            "children"
+          )
+        ),
+        node.children.length === 0 ||
+        (lastDescendantNode =>
+          isBlockValue(lastDescendantNode) &&
+          (/[^\S\n]\n?$/.test(lastDescendantNode.value) ||
+            (lastDescendantNode.chomping === "keep" &&
+              lastDescendantNode.value === "\n")))(getLastDescendantNode(node))
+          ? ""
+          : hardline
+      ]);
+    case "document":
+      return concat([
+        node.head.children.length === 0
+          ? path.call(print, "body")
+          : join(
+              hardline,
+              [path.call(print, "head"), "---"].concat(
+                node.body.children.length === 0 ? [] : path.call(print, "body")
+              )
+            ),
+        hasTrailingComments(node) ? concat([hardline, "..."]) : ""
+      ]);
+    case "documentHead":
+    case "documentBody":
+      return join(hardline, path.map(print, "children"));
+    case "directive":
+      return concat(["%", join(" ", [node.name].concat(node.parameters))]);
+    case "comment":
+      return concat(["#", node.value]);
+    case "alias":
+      return concat(["*", node.value]);
+    case "null":
+      return "";
+    case "verbatimTag":
+      return concat(["!<", node.value, ">"]);
+    case "shorthandTag":
+      return concat([node.handle, node.suffix]);
+    case "nonSpecificTag":
+      return "!";
+    case "anchor":
+      return concat(["&", node.value]);
+    case "plain":
+      return join(hardline, node.value.replace(/\n/g, "\n\n").split("\n"));
+    case "quoteDouble":
+    case "quoteSingle": {
+      const singleQuote = "'";
+      const doubleQuote = '"';
+
+      const raw = options.originalText.slice(
+        node.position.start.offset + 1,
+        node.position.end.offset - 1
+      );
+
+      if (
+        (node.type === "quoteSingle" && raw.includes("\\")) ||
+        (node.type === "quoteDouble" && /\\[^"]/.test(raw))
+      ) {
+        // only quoteDouble can use escape chars
+        // and quoteSingle do not need to escape backslashes
+        const originalQuote =
+          node.type === "quoteDouble" ? doubleQuote : singleQuote;
+        return originalQuote + raw + originalQuote;
+      } else if (raw.includes(doubleQuote)) {
+        return (
+          singleQuote +
+          (node.type === "quoteDouble"
+            ? // double quote needs to be escaped by backslash in quoteDouble
+              raw.replace(/\\"/g, doubleQuote)
+            : raw) +
+          singleQuote
+        );
+      }
+
+      if (raw.includes(singleQuote)) {
+        return (
+          doubleQuote +
+          (node.type === "quoteSingle"
+            ? // single quote needs to be escaped by 2 single quotes in quoteSingle
+              raw.replace(/''/g, singleQuote)
+            : raw) +
+          doubleQuote
+        );
+      }
+
+      const quote = options.singleQuote ? singleQuote : doubleQuote;
+      return quote + raw + quote;
+    }
+    case "blockFolded": // TODO: --prose-wrap
+    case "blockLiteral": {
+      const value =
+        node.chomping === "strip" ||
+        (node.chomping === "clip" &&
+          options.originalText.slice(
+            node.position.end.offset - 2,
+            node.position.end.offset
+          ) === "\n\n") ||
+        (node.chomping === "keep" && node.value === "\n")
+          ? node.value
+          : node.value.replace(/\n$/, "");
+      return concat([
+        node.type === "blockFolded" ? ">" : "|",
+        node.indent === null ? "" : node.indent.toString(),
+        node.chomping === "clip" ? "" : node.chomping === "keep" ? "+" : "-",
+        hasTrailingComments(node)
+          ? concat([" ", join(hardline, path.map(print, "trailingComments"))])
+          : "",
+        value === ""
+          ? ""
+          : (node.indent === null ? dedent : dedentToRoot)(
+              align(
+                node.indent === null
+                  ? options.tabWidth
+                  : node.indent -
+                    1 +
+                    getAncestorCount(
+                      path,
+                      ancestorNode =>
+                        ancestorNode.type === "sequence" ||
+                        ancestorNode.type === "mapping"
+                    ),
+                (node.chomping === "keep" && node.value === "\n"
+                  ? dedentToRoot
+                  : markAsRoot)(
+                  concat(
+                    (node.type === "blockLiteral"
+                      ? value
+                      : restoreBlockFoldedValue(value)
+                    )
+                      .split("\n")
+                      .reduce(
+                        (reduced, lineContent, index, lines) =>
+                          reduced.concat(
+                            node.type === "blockLiteral"
+                              ? lineContent
+                              : fill(
+                                  join(
+                                    line,
+                                    lineContent
+                                      // split by single space
+                                      .replace(/(^|[^ ]) ([^ ]|$)/g, "$1\n$2")
+                                      .split("\n")
+                                  ).parts
+                                ),
+                            index === lines.length - 1 &&
+                            !/\s$/.test(lineContent)
+                              ? []
+                              : /\s$/.test(lineContent)
+                                ? index === lines.length - 1
+                                  ? dedentToRoot(literalline)
+                                  : literalline
+                                : hardline
+                          ),
+                        [hardline]
+                      )
+                  )
+                )
+              )
+            )
+      ]);
+    }
+    case "sequence":
+      return join(hardline, path.map(print, "children"));
+    case "sequenceItem":
+      return concat(["- ", align(2, path.call(print, "node"))]);
+    case "mappingKey":
+      return path.call(print, "node");
+    case "mappingValue":
+      return path.call(print, "node");
+    case "mapping":
+      return join(hardline, path.map(print, "children"));
+    case "mappingItem":
+    case "flowMappingItem": {
+      if (node.key.type === "null" && node.value.type === "null") {
+        return concat([":", line]);
+      }
+
+      const key = path.call(print, "key");
+      const value = path.call(print, "value");
+
+      if (node.value.type === "null") {
+        return node.type === "flowMappingItem" &&
+          path.getParentNode().type !== "flowSequence"
+          ? key
+          : concat(["? ", align(2, key)]);
+      }
+
+      if (node.key.type === "null") {
+        return concat([
+          ":",
+          node.value.node.type === "null" ? "" : " ",
+          align(2, value)
+        ]);
+      }
+
+      const groupId = Symbol("mappingKey");
+
+      const forceExplicitKey =
+        hasLeadingComments(node.value) ||
+        (node.key.type !== "null" && !isInlineNode(node.key.node));
+      return forceExplicitKey
+        ? concat([
+            "? ",
+            align(2, key),
+            hardline,
+            join(
+              "",
+              path
+                .map(print, "value", "leadingComments")
+                .map(comment => concat([comment, hardline]))
+            ),
+            ": ",
+            align(2, value)
+          ])
+        : conditionalGroup([
+            concat([
+              group(
+                concat([ifBreak("? "), group(align(2, key), { id: groupId })])
+              ),
+              ifBreak(
+                concat([hardline, ": ", align(2, value)]),
+                indent(
+                  concat([
+                    needsSpaceInFrontOfMappingValue(node) ? " " : "",
+                    ":",
+                    hasLeadingComments(node.value.node) ||
+                    (parentNode.type === "mapping" &&
+                      hasTrailingComments(node.key.node) &&
+                      isInlineNode(node.value.node)) ||
+                    ((node.value.node.type === "mapping" ||
+                      node.value.node.type === "sequence") &&
+                      node.value.node.tag.type === "null" &&
+                      node.value.node.anchor.type === "null")
+                      ? hardline
+                      : node.value.node.type === "null"
+                        ? ""
+                        : line,
+                    value
+                  ])
+                ),
+                { groupId }
+              )
+            ])
+          ]);
+    }
+    case "flowMapping":
+    case "flowSequence": {
+      const openMarker = node.type === "flowMapping" ? "{" : "[";
+      const closeMarker = node.type === "flowMapping" ? "}" : "]";
+      const bracketSpacing =
+        node.type === "flowMapping" &&
+        node.children.length !== 0 &&
+        options.bracketSpacing
+          ? line
+          : softline;
+      const isLastItemEmptyMappingItem =
+        node.children.length !== 0 &&
+        (lastItem =>
+          lastItem.type === "flowMappingItem" &&
+          lastItem.key.type === "null" &&
+          lastItem.value.type === "null")(getLast(node.children));
+      return concat([
+        openMarker,
+        indent(
+          concat([
+            bracketSpacing,
+            concat(
+              path.map(
+                (childPath, index) =>
+                  concat([
+                    print(childPath),
+                    index === node.children.length - 1
+                      ? ""
+                      : concat([
+                          ",",
+                          line,
+                          node.children[index].position.start.line !==
+                          node.children[index + 1].position.start.line
+                            ? printNextEmptyLine(
+                                childPath,
+                                options.originalText
+                              )
+                            : ""
+                        ])
+                  ]),
+                "children"
+              )
+            ),
+            ifBreak(",", "")
+          ])
+        ),
+        isLastItemEmptyMappingItem ? "" : bracketSpacing,
+        closeMarker
+      ]);
+    }
+    case "flowSequenceItem":
+      return path.call(print, "node");
+    // istanbul ignore next
+    default:
+      throw new Error(`Unexpected node type ${node.type}`);
+  }
+
+  function indent(doc) {
+    return docBuilders.align(" ".repeat(options.tabWidth), doc);
+  }
+
+  function align(n, doc) {
+    return typeof n === "number" && n > 0
+      ? docBuilders.align(" ".repeat(n), doc)
+      : docBuilders.align(n, doc);
+  }
+}
+
+function isInlineNode(node) {
+  switch (node.type) {
+    case "plain":
+    case "quoteDouble":
+    case "quoteSingle":
+    case "alias":
+    case "flowMapping":
+    case "flowSequence":
+    case "null":
+      return true;
+    default:
+      return false;
+  }
+}
+
+function needsSpaceInFrontOfMappingValue(node) {
+  // istanbul ignore else
+  if (node.key.type !== "null") {
+    switch (node.key.node.type) {
+      case "alias":
+        return true;
+    }
+  }
+  return false;
+}
+
+function printNextEmptyLine(path, originalText) {
+  const node = path.getValue();
+  const root = path.stack[0];
+
+  root.isNextEmptyLinePrintedChecklist =
+    root.isNextEmptyLinePrintedChecklist || [];
+
+  if (!root.isNextEmptyLinePrintedChecklist[node.position.end.line]) {
+    if (isNextLineEmpty(node, originalText)) {
+      root.isNextEmptyLinePrintedChecklist[node.position.end.line] = true;
+      return softline;
+    }
+  }
+
+  return "";
+}
+
+function clean(node, newNode /*, parent */) {
+  if (isNode(newNode)) {
+    delete newNode.position;
+    switch (newNode.type) {
+      case "comment":
+        // insert pragma
+        if (isPragma(newNode.value)) {
+          return null;
+        }
+        break;
+      case "quoteDouble":
+      case "quoteSingle":
+        newNode.type = "quote";
+        break;
+    }
+  }
+}
+
+module.exports = {
+  print: genericPrint,
+  massageAstNode: clean,
+  insertPragma
+};

src/language-yaml/utils.js

@@ -0,0 +1,206 @@
+"use strict";
+
+function getLast(array) {
+  return array[array.length - 1];
+}
+
+function getAncestorCount(path, filter) {
+  let counter = 0;
+  for (let i = 0; i < path.stack.length - 1; i++) {
+    const value = path.stack[i];
+    if (isNode(value) && filter(value)) {
+      counter++;
+    }
+  }
+  return counter;
+}
+
+function isNode(value) {
+  return value && typeof value.type === "string";
+}
+
+function mapNode(node, callback, parent) {
+  return callback(
+    "children" in node
+      ? Object.assign({}, node, {
+          children: node.children.map(childNode =>
+            mapNode(childNode, callback, node)
+          )
+        })
+      : node,
+    parent
+  );
+}
+
+function defineShortcut(x, key, getter) {
+  Object.defineProperty(x, key, {
+    get: getter,
+    enumerable: false
+  });
+}
+
+function createNull() {
+  return {
+    type: "null",
+    position: {
+      start: { line: -1, column: -1, offset: -1 },
+      end: { line: -1, column: -1, offset: -1 }
+    }
+  };
+}
+
+function isNextLineEmpty(node, text) {
+  let newlineCount = 0;
+
+  for (let i = node.position.end.offset - 1; i < text.length; i++) {
+    const char = text[i];
+
+    if (char === "\n") {
+      newlineCount++;
+    }
+
+    if (newlineCount === 1 && /\S/.test(char)) {
+      return false;
+    }
+
+    if (newlineCount === 2) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+function isLastDescendantNode(path) {
+  const node = path.getValue();
+
+  switch (node.type) {
+    case "comment":
+    case "verbatimTag":
+    case "shorthandTag":
+    case "nonSpecificTag":
+      return false;
+  }
+
+  for (let i = 1; i < path.stack.length; i++) {
+    const item = path.stack[i];
+    const parentItem = path.stack[i - 1];
+
+    if (
+      Array.isArray(parentItem) &&
+      typeof item === "number" &&
+      item !== parentItem.length - 1
+    ) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+function getLastDescendantNode(node) {
+  return "children" in node && node.children.length !== 0
+    ? getLastDescendantNode(getLast(node.children))
+    : node;
+}
+
+function isPrettierIgnore(comment) {
+  return comment.value.trim() === "prettier-ignore";
+}
+
+function hasPrettierIgnore(path) {
+  const node = path.getValue();
+
+  if (node.type === "documentBody") {
+    const document = path.getParentNode();
+    return (
+      document.head.children.length !== 0 &&
+      (lastItem => lastItem.type === "comment" && isPrettierIgnore(lastItem))(
+        getLast(document.head.children)
+      )
+    );
+  }
+
+  return (
+    "leadingComments" in node &&
+    node.leadingComments.length !== 0 &&
+    isPrettierIgnore(getLast(node.leadingComments))
+  );
+}
+
+function hasExplicitDocumentEndMarker(document, text) {
+  return (
+    text.slice(
+      document.position.end.offset - 4,
+      document.position.end.offset
+    ) === "\n..."
+  );
+}
+
+function restoreBlockFoldedValue(value) {
+  const lines = value.split("\n");
+
+  let hasChecked = false;
+  let isIndented = false;
+  for (let i = 0; i < lines.length; i++) {
+    const lineContent = lines[i];
+
+    if (!lineContent) {
+      continue;
+    }
+
+    if (/^\s/.test(lineContent[0])) {
+      isIndented = true;
+    } else {
+      if (!isIndented && i !== 0 && hasChecked) {
+        lines[i] = "\n" + lineContent;
+      }
+      isIndented = false;
+    }
+
+    hasChecked = true;
+  }
+
+  return lines.join("\n");
+}
+
+function isBlockValue(node) {
+  switch (node.type) {
+    case "blockFolded":
+    case "blockLiteral":
+      return true;
+    default:
+      return false;
+  }
+}
+
+function hasLeadingComments(node) {
+  return "leadingComments" in node && node.leadingComments.length !== 0;
+}
+
+function hasMiddleComments(node) {
+  return "middleComments" in node && node.middleComments.length !== 0;
+}
+
+function hasTrailingComments(node) {
+  return "trailingComments" in node && node.trailingComments.length !== 0;
+}
+
+module.exports = {
+  getLast,
+  getAncestorCount,
+  isNode,
+  isBlockValue,
+  mapNode,
+  defineShortcut,
+  createNull,
+  isNextLineEmpty,
+  isLastDescendantNode,
+  getLastDescendantNode,
+  hasPrettierIgnore,
+  hasLeadingComments,
+  hasMiddleComments,
+  hasTrailingComments,
+  hasExplicitDocumentEndMarker,
+  restoreBlockFoldedValue
+};

src/main/core-options.js

@@ -115,7 +115,8 @@ const options = {
       },
       { value: "graphql", since: "1.5.0", description: "GraphQL" },
       { value: "markdown", since: "1.8.0", description: "Markdown" },
-      { value: "vue", since: "1.10.0", description: "Vue" }
+      { value: "vue", since: "1.10.0", description: "Vue" },
+      { value: "yaml", since: "1.14.0", description: "YAML" }
     ]
   },
   plugins: {

standalone.js

@@ -13,7 +13,8 @@ const internalPlugins = [
   require("./src/language-css"),
   require("./src/language-graphql"),
   require("./src/language-markdown"),
-  require("./src/language-vue")
+  require("./src/language-vue"),
+  require("./src/language-yaml")
 ];
 
 const isArray =

tests/markdown/__snapshots__/jsfmt.spec.js.snap

@@ -1392,10 +1392,10 @@ how you can configure lint-staged.
 Copy the following config into your \`.pre-commit-config.yaml\` file:
 
 \`\`\`yaml
-    -   repo: https://github.com/prettier/prettier
+- repo: https://github.com/prettier/prettier
-        sha: ''  # Use the sha or tag you want to point at
+  sha: "" # Use the sha or tag you want to point at
-        hooks:
+  hooks:
-        -   id: prettier
+    - id: prettier
 \`\`\`
 
 Find more info from [here](https://pre-commit.com).
@@ -1801,9 +1801,9 @@ YAML:
 \`\`\`yaml
 semi: false
 overrides:
-- files: "*.test.js"
+  - files: "*.test.js"
-  options:
+    options:
-    semi: true
+      semi: true
 \`\`\`
 
 \`files\` is required for each override, and may be a string or array of strings.
@@ -3363,10 +3363,10 @@ how you can configure lint-staged.
 Copy the following config into your \`.pre-commit-config.yaml\` file:
 
 \`\`\`yaml
-    -   repo: https://github.com/prettier/prettier
+- repo: https://github.com/prettier/prettier
-        sha: ''  # Use the sha or tag you want to point at
+  sha: '' # Use the sha or tag you want to point at
-        hooks:
+  hooks:
-        -   id: prettier
+    - id: prettier
 \`\`\`
 
 Find more info from [here](https://pre-commit.com).
@@ -3772,9 +3772,9 @@ YAML:
 \`\`\`yaml
 semi: false
 overrides:
-- files: "*.test.js"
+  - files: '*.test.js'
-  options:
+    options:
-    semi: true
+      semi: true
 \`\`\`
 
 \`files\` is required for each override, and may be a string or array of strings.

tests/yaml_alias/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,8 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`common.yml 1`] = `
+*abc
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+*abc
+
+`;

tests/yaml_alias/common.yml

@@ -0,0 +1 @@
+*abc

tests/yaml_alias/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname, ["yaml"]);

tests/yaml_block_folded/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,328 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`clip.yml 1`] = `
+>
+    123
+    456
+    789
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+>
+  123 456 789
+
+`;
+
+exports[`indent.yml 1`] = `
+>2-
+    123
+   456
+  789
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+>2-
+    123
+   456
+  789
+
+`;
+
+exports[`keep.yml 1`] = `
+>+
+    123
+    456
+    789
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+>+
+  123 456 789
+
+
+
+`;
+
+exports[`map.yml 1`] = `
+a: >
+  123
+  456
+  789
+b: >1
+    123
+   456
+  789
+d: >
+  123
+  456
+  789
+
+c: 0
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: >
+  123 456 789
+b: >1
+    123
+   456
+  789
+d: >
+  123 456 789
+
+c: 0
+
+`;
+
+exports[`middle-comment.yml 1`] = `
+!!str #comment
+>
+  123
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!str #comment
+>
+  123
+
+`;
+
+exports[`middle-comments.yml 1`] = `
+!!str # comment 1
+# comment 2
+>
+  123
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!str
+# comment 1
+# comment 2
+>
+  123
+
+`;
+
+exports[`newline.yml 1`] = `
+- >+
+  123
+  456
+  789
+
+  123
+  456
+  789
+
+
+  123
+  456
+  789
+
+
+- >2+
+  123
+  456
+  789
+
+  123
+  456
+  789
+
+
+  123
+  456
+  789
+
+- 0
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+- >+
+  123 456 789
+
+  123 456 789
+
+
+  123 456 789
+
+
+- >2+
+  123 456 789
+
+  123 456 789
+
+
+  123 456 789
+
+- 0
+
+`;
+
+exports[`newline-unaligned.yml 1`] = `
+>
+  1
+  2
+    3
+    4
+  5
+  6
+
+  1
+  2
+    3
+    4
+  5
+  6
+
+
+  1
+  2
+    3
+    4
+  5
+  6
+
+  1
+  2
+
+    3
+    4
+
+  5
+  6
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+>
+  1 2
+    3
+    4
+  5 6
+
+  1 2
+    3
+    4
+  5 6
+
+
+  1 2
+    3
+    4
+  5 6
+
+  1 2
+
+    3
+    4
+
+  5 6
+
+`;
+
+exports[`props.yml 1`] = `
+!!str &anchor >
+  123
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!str &anchor >
+  123
+
+`;
+
+exports[`props-in-map.yml 1`] = `
+a: !!str &anchor >
+  123
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: !!str &anchor >
+  123
+
+`;
+
+exports[`prose.yml 1`] = `
+>
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+---
+> 
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+>
+  123 456 789 123 456 789 123 456 789 123 456 789 123 456 789 123 456 789 123
+  456 789 123 456 789 123 456 789 123 456 789 123 456 789 123 456 789 123 456
+  789 123 456 789 123 456 789 123 456 789 123 456 789 123 456 789 123 456 789
+...
+>
+  123   456   789 123   456   789 123   456   789 123   456   789
+  123   456   789 123   456   789 123   456   789 123   456   789
+  123   456   789 123   456   789 123   456   789 123   456   789
+  123   456   789 123   456   789 123   456   789 123   456   789
+  123   456   789 123   456   789 123   456   789
+
+`;
+
+exports[`seq.yml 1`] = `
+- >
+  123
+  456
+  789
+- >1
+    123
+   456
+  789
+- 0
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+- >
+  123 456 789
+- >1
+    123
+   456
+  789
+- 0
+
+`;
+
+exports[`strip.yml 1`] = `
+>-
+    123
+    456
+    789
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+>-
+  123 456 789
+
+`;
+
+exports[`trailing-comment.yml 1`] = `
+a: !!str > # hello
+  hello
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: !!str > # hello
+  hello
+
+`;

tests/yaml_block_folded/clip.yml

@@ -0,0 +1,6 @@
+>
+    123
+    456
+    789
+
+

tests/yaml_block_folded/indent.yml

@@ -0,0 +1,6 @@
+>2-
+    123
+   456
+  789
+
+

tests/yaml_block_folded/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname, ["yaml"]);

tests/yaml_block_folded/keep.yml

@@ -0,0 +1,6 @@
+>+
+    123
+    456
+    789
+
+

tests/yaml_block_folded/map.yml

@@ -0,0 +1,14 @@
+a: >
+  123
+  456
+  789
+b: >1
+    123
+   456
+  789
+d: >
+  123
+  456
+  789
+
+c: 0

tests/yaml_block_folded/middle-comment.yml

@@ -0,0 +1,3 @@
+!!str #comment
+>
+  123

tests/yaml_block_folded/middle-comments.yml

@@ -0,0 +1,4 @@
+!!str # comment 1
+# comment 2
+>
+  123

tests/yaml_block_folded/newline-unaligned.yml

@@ -0,0 +1,31 @@
+>
+  1
+  2
+    3
+    4
+  5
+  6
+
+  1
+  2
+    3
+    4
+  5
+  6
+
+
+  1
+  2
+    3
+    4
+  5
+  6
+
+  1
+  2
+
+    3
+    4
+
+  5
+  6

tests/yaml_block_folded/newline.yml

@@ -0,0 +1,30 @@
+- >+
+  123
+  456
+  789
+
+  123
+  456
+  789
+
+
+  123
+  456
+  789
+
+
+- >2+
+  123
+  456
+  789
+
+  123
+  456
+  789
+
+
+  123
+  456
+  789
+
+- 0

tests/yaml_block_folded/props-in-map.yml

@@ -0,0 +1,2 @@
+a: !!str &anchor >
+  123

tests/yaml_block_folded/props.yml

@@ -0,0 +1,2 @@
+!!str &anchor >
+  123

tests/yaml_block_folded/prose.yml

@@ -0,0 +1,41 @@
+>
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+  123 456 789
+---
+> 
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789
+  123   456   789

tests/yaml_block_folded/seq.yml

@@ -0,0 +1,9 @@
+- >
+  123
+  456
+  789
+- >1
+    123
+   456
+  789
+- 0

tests/yaml_block_folded/strip.yml

@@ -0,0 +1,6 @@
+>-
+    123
+    456
+    789
+
+

tests/yaml_block_folded/trailing-comment.yml

@@ -0,0 +1,2 @@
+a: !!str > # hello
+  hello

tests/yaml_block_literal/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,259 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`clip.yml 1`] = `
+|
+    123
+    456
+    789
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+|
+  123
+  456
+  789
+
+`;
+
+exports[`indent.yml 1`] = `
+|2-
+    123
+   456
+  789
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+|2-
+    123
+   456
+  789
+
+`;
+
+exports[`keep.yml 1`] = `
+|+
+    123
+    456
+    789
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+|+
+  123
+  456
+  789
+
+
+
+`;
+
+exports[`map.yml 1`] = `
+a: |
+  123
+  456
+  789
+b: |1
+    123
+   456
+  789
+d: |
+  123
+  456
+  789
+
+c: 0
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: |
+  123
+  456
+  789
+b: |1
+    123
+   456
+  789
+d: |
+  123
+  456
+  789
+
+c: 0
+
+`;
+
+exports[`middle-comment.yml 1`] = `
+!!str #comment
+|
+  123
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!str #comment
+|
+  123
+
+`;
+
+exports[`middle-comments.yml 1`] = `
+!!str # comment 1
+# comment 2
+|
+  123
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!str
+# comment 1
+# comment 2
+|
+  123
+
+`;
+
+exports[`newline.yml 1`] = `
+- |+
+  123
+  456
+  789
+
+
+
+- 0
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+- |+
+  123
+  456
+  789
+
+
+
+- 0
+
+`;
+
+exports[`newline-unaligned.yml 1`] = `
+|
+  1
+  2
+    3
+    4
+  5
+  6
+
+  1
+  2
+    3
+    4
+  5
+  6
+
+
+  1
+  2
+    3
+    4
+  5
+  6
+
+  1
+  2
+
+    3
+    4
+
+  5
+  6
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+|
+  1
+  2
+    3
+    4
+  5
+  6
+
+  1
+  2
+    3
+    4
+  5
+  6
+
+
+  1
+  2
+    3
+    4
+  5
+  6
+
+  1
+  2
+
+    3
+    4
+
+  5
+  6
+
+`;
+
+exports[`props.yml 1`] = `
+!!str &anchor |
+  123
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!str &anchor |
+  123
+
+`;
+
+exports[`props-in-map.yml 1`] = `
+a: !!str &anchor |
+  123
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: !!str &anchor |
+  123
+
+`;
+
+exports[`seq.yml 1`] = `
+- |
+  123
+  456
+  789
+- |1
+    123
+   456
+  789
+- 0
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+- |
+  123
+  456
+  789
+- |1
+    123
+   456
+  789
+- 0
+
+`;
+
+exports[`strip.yml 1`] = `
+|-
+    123
+    456
+    789
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+|-
+  123
+  456
+  789
+
+`;
+
+exports[`trailing-comment.yml 1`] = `
+a: !!str | # hello
+  hello
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: !!str | # hello
+  hello
+
+`;

tests/yaml_block_literal/clip.yml

@@ -0,0 +1,6 @@
+|
+    123
+    456
+    789
+
+

tests/yaml_block_literal/indent.yml

@@ -0,0 +1,6 @@
+|2-
+    123
+   456
+  789
+
+

tests/yaml_block_literal/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname, ["yaml"]);

tests/yaml_block_literal/keep.yml

@@ -0,0 +1,6 @@
+|+
+    123
+    456
+    789
+
+

tests/yaml_block_literal/map.yml

@@ -0,0 +1,14 @@
+a: |
+  123
+  456
+  789
+b: |1
+    123
+   456
+  789
+d: |
+  123
+  456
+  789
+
+c: 0

tests/yaml_block_literal/middle-comment.yml

@@ -0,0 +1,3 @@
+!!str #comment
+|
+  123

tests/yaml_block_literal/middle-comments.yml

@@ -0,0 +1,4 @@
+!!str # comment 1
+# comment 2
+|
+  123

tests/yaml_block_literal/newline-unaligned.yml

@@ -0,0 +1,31 @@
+|
+  1
+  2
+    3
+    4
+  5
+  6
+
+  1
+  2
+    3
+    4
+  5
+  6
+
+
+  1
+  2
+    3
+    4
+  5
+  6
+
+  1
+  2
+
+    3
+    4
+
+  5
+  6

tests/yaml_block_literal/newline.yml

@@ -0,0 +1,8 @@
+- |+
+  123
+  456
+  789
+
+
+
+- 0

tests/yaml_block_literal/props-in-map.yml

@@ -0,0 +1,2 @@
+a: !!str &anchor |
+  123

tests/yaml_block_literal/props.yml

@@ -0,0 +1,2 @@
+!!str &anchor |
+  123

tests/yaml_block_literal/seq.yml

@@ -0,0 +1,9 @@
+- |
+  123
+  456
+  789
+- |1
+    123
+   456
+  789
+- 0

tests/yaml_block_literal/strip.yml

@@ -0,0 +1,6 @@
+|-
+    123
+    456
+    789
+
+

tests/yaml_block_literal/trailing-comment.yml

@@ -0,0 +1,2 @@
+a: !!str | # hello
+  hello

tests/yaml_comment/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,17 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`root.yml 1`] = `
+#hello world
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#hello world
+
+`;
+
+exports[`set.yml 1`] = `
+- 123
+  # 456
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+- 123
+# 456
+
+`;

tests/yaml_comment/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname, ["yaml"]);

tests/yaml_comment/root.yml

@@ -0,0 +1 @@
+#hello world

tests/yaml_comment/set.yml

@@ -0,0 +1,2 @@
+- 123
+  # 456

tests/yaml_directive/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,19 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`with-parameters.yml 1`] = `
+%YAML 1.2
+---
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+%YAML 1.2
+---
+
+`;
+
+exports[`without-parameters.yml 1`] = `
+%SOMETHING
+---
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+%SOMETHING
+---
+
+`;

tests/yaml_directive/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname, ["yaml"]);

tests/yaml_directive/with-parameters.yml

@@ -0,0 +1,2 @@
+%YAML 1.2
+---

tests/yaml_directive/without-parameters.yml

@@ -0,0 +1,2 @@
+%SOMETHING
+---

tests/yaml_document/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,20 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`directives-and-comments.yml 1`] = `
+# 123
+%YAML 1.2
+# 456
+---
+# 789
+test
+# 000
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+# 123
+%YAML 1.2
+# 456
+---
+# 789
+test
+# 000
+
+`;

tests/yaml_document/directives-and-comments.yml

@@ -0,0 +1,7 @@
+# 123
+%YAML 1.2
+# 456
+---
+# 789
+test
+# 000

tests/yaml_document/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname, ["yaml"]);

tests/yaml_flow_mapping/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,913 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`alias-key.yml 1`] = `
+{*123 : 456}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ *123 : 456 }
+
+`;
+
+exports[`alias-key.yml 2`] = `
+{*123 : 456}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ *123 : 456 }
+
+`;
+
+exports[`alias-key.yml 3`] = `
+{*123 : 456}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{*123 : 456}
+
+`;
+
+exports[`array-key.yml 1`] = `
+{? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+}
+
+`;
+
+exports[`array-key.yml 2`] = `
+{? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    [
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+    ],
+    [
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+    ],
+    [
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+    ],
+}
+
+`;
+
+exports[`array-key.yml 3`] = `
+{? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+}
+
+`;
+
+exports[`array-key-array-value.yml 1`] = `
+{[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+}
+
+`;
+
+exports[`array-key-array-value.yml 2`] = `
+{[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    ? [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ]
+    : [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+    ? [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ]
+    : [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+    ? [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ]
+    : [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+}
+
+`;
+
+exports[`array-key-array-value.yml 3`] = `
+{[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+}
+
+`;
+
+exports[`array-plain.yml 1`] = `
+{[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+}
+
+`;
+
+exports[`array-plain.yml 2`] = `
+{[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    [
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+    ],
+    [
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+    ],
+    [
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+    ],
+}
+
+`;
+
+exports[`array-plain.yml 3`] = `
+{[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+}
+
+`;
+
+exports[`array-value.yml 1`] = `
+{a: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],b: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],c: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  a:
+    [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  b:
+    [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  c:
+    [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+}
+
+`;
+
+exports[`array-value.yml 2`] = `
+{a: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],b: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],c: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    a:
+        [
+            longlonglonglonglonglonglonglonglonglonglong,
+            longlonglonglonglonglonglonglonglonglonglong,
+            longlonglonglonglonglonglonglonglonglonglong,
+        ],
+    b:
+        [
+            longlonglonglonglonglonglonglonglonglonglong,
+            longlonglonglonglonglonglonglonglonglonglong,
+            longlonglonglonglonglonglonglonglonglonglong,
+        ],
+    c:
+        [
+            longlonglonglonglonglonglonglonglonglonglong,
+            longlonglonglonglonglonglonglonglonglonglong,
+            longlonglonglonglonglonglonglonglonglonglong,
+        ],
+}
+
+`;
+
+exports[`array-value.yml 3`] = `
+{a: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],b: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],c: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  a:
+    [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  b:
+    [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  c:
+    [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+}
+
+`;
+
+exports[`comment-between.yml 1`] = `
+{
+? 123
+# comment
+: 456
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  ? 123
+  # comment
+  : 456,
+}
+
+`;
+
+exports[`comment-between.yml 2`] = `
+{
+? 123
+# comment
+: 456
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    ? 123
+    # comment
+    : 456,
+}
+
+`;
+
+exports[`comment-between.yml 3`] = `
+{
+? 123
+# comment
+: 456
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  ? 123
+  # comment
+  : 456,
+}
+
+`;
+
+exports[`comment-trailing.yml 1`] = `
+{123, # comment
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  123, # comment
+}
+
+`;
+
+exports[`comment-trailing.yml 2`] = `
+{123, # comment
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    123, # comment
+}
+
+`;
+
+exports[`comment-trailing.yml 3`] = `
+{123, # comment
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  123, # comment
+}
+
+`;
+
+exports[`empty.yml 1`] = `
+{}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{}
+
+`;
+
+exports[`empty.yml 2`] = `
+{}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{}
+
+`;
+
+exports[`empty.yml 3`] = `
+{}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{}
+
+`;
+
+exports[`empty-item-colon.yml 1`] = `
+{ : }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ : }
+
+`;
+
+exports[`empty-item-colon.yml 2`] = `
+{ : }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ : }
+
+`;
+
+exports[`empty-item-colon.yml 3`] = `
+{ : }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{: }
+
+`;
+
+exports[`empty-line.yml 1`] = `
+{ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 
+
+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
+
+  bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,
+}
+
+`;
+
+exports[`empty-line.yml 2`] = `
+{ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 
+
+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
+
+    bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,
+}
+
+`;
+
+exports[`empty-line.yml 3`] = `
+{ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 
+
+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
+
+  bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,
+}
+
+`;
+
+exports[`empty-line-collapse.yml 1`] = `
+{ aaa, 
+
+bbb }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ aaa, bbb }
+
+`;
+
+exports[`empty-line-collapse.yml 2`] = `
+{ aaa, 
+
+bbb }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ aaa, bbb }
+
+`;
+
+exports[`empty-line-collapse.yml 3`] = `
+{ aaa, 
+
+bbb }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{aaa, bbb}
+
+`;
+
+exports[`long-key.yml 1`] = `
+{? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3,
+}
+
+`;
+
+exports[`long-key.yml 2`] = `
+{? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3,
+}
+
+`;
+
+exports[`long-key.yml 3`] = `
+{? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3,
+}
+
+`;
+
+exports[`long-key-long-value.yml 1`] = `
+{longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+}
+
+`;
+
+exports[`long-key-long-value.yml 2`] = `
+{longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1:
+        longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2:
+        longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3:
+        longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+}
+
+`;
+
+exports[`long-key-long-value.yml 3`] = `
+{longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+}
+
+`;
+
+exports[`long-plain.yml 1`] = `
+{longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3,
+}
+
+`;
+
+exports[`long-plain.yml 2`] = `
+{longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3,
+}
+
+`;
+
+exports[`long-plain.yml 3`] = `
+{longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3,
+}
+
+`;
+
+exports[`long-value.yml 1`] = `
+{1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+}
+
+`;
+
+exports[`long-value.yml 2`] = `
+{1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+}
+
+`;
+
+exports[`long-value.yml 3`] = `
+{1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+}
+
+`;
+
+exports[`middle-comment.yml 1`] = `
+!!map #comment
+{}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!map #comment
+{}
+
+`;
+
+exports[`middle-comment.yml 2`] = `
+!!map #comment
+{}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!map #comment
+{}
+
+`;
+
+exports[`middle-comment.yml 3`] = `
+!!map #comment
+{}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!map #comment
+{}
+
+`;
+
+exports[`middle-comments.yml 1`] = `
+!!map # comment 1
+# comment 2
+{}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!map
+# comment 1
+# comment 2
+{}
+
+`;
+
+exports[`middle-comments.yml 2`] = `
+!!map # comment 1
+# comment 2
+{}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!map
+# comment 1
+# comment 2
+{}
+
+`;
+
+exports[`middle-comments.yml 3`] = `
+!!map # comment 1
+# comment 2
+{}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!map
+# comment 1
+# comment 2
+{}
+
+`;
+
+exports[`next-empty-line.yml 1`] = `
+{
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123, 
+
+c: 123
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123,
+  bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123,
+
+  c: 123,
+}
+
+`;
+
+exports[`next-empty-line.yml 2`] = `
+{
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123, 
+
+c: 123
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123,
+    bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123,
+
+    c: 123,
+}
+
+`;
+
+exports[`next-empty-line.yml 3`] = `
+{
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123, 
+
+c: 123
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{
+  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123,
+  bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123,
+
+  c: 123,
+}
+
+`;
+
+exports[`props.yml 1`] = `
+!!map &anchor {a: 1}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!map &anchor { a: 1 }
+
+`;
+
+exports[`props.yml 2`] = `
+!!map &anchor {a: 1}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!map &anchor { a: 1 }
+
+`;
+
+exports[`props.yml 3`] = `
+!!map &anchor {a: 1}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!map &anchor {a: 1}
+
+`;
+
+exports[`props-in-map.yml 1`] = `
+a: !!map &anchor {a: 1}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: !!map &anchor { a: 1 }
+
+`;
+
+exports[`props-in-map.yml 2`] = `
+a: !!map &anchor {a: 1}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: !!map &anchor { a: 1 }
+
+`;
+
+exports[`props-in-map.yml 3`] = `
+a: !!map &anchor {a: 1}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: !!map &anchor {a: 1}
+
+`;
+
+exports[`short-key.yml 1`] = `
+{? 1,? 2,? 3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ 1, 2, 3 }
+
+`;
+
+exports[`short-key.yml 2`] = `
+{? 1,? 2,? 3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ 1, 2, 3 }
+
+`;
+
+exports[`short-key.yml 3`] = `
+{? 1,? 2,? 3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{1, 2, 3}
+
+`;
+
+exports[`short-key-short-value.yml 1`] = `
+{1: a,2: b,3: c}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ 1: a, 2: b, 3: c }
+
+`;
+
+exports[`short-key-short-value.yml 2`] = `
+{1: a,2: b,3: c}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ 1: a, 2: b, 3: c }
+
+`;
+
+exports[`short-key-short-value.yml 3`] = `
+{1: a,2: b,3: c}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{1: a, 2: b, 3: c}
+
+`;
+
+exports[`short-plain.yml 1`] = `
+{1,2,3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ 1, 2, 3 }
+
+`;
+
+exports[`short-plain.yml 2`] = `
+{1,2,3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ 1, 2, 3 }
+
+`;
+
+exports[`short-plain.yml 3`] = `
+{1,2,3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{1, 2, 3}
+
+`;
+
+exports[`short-value.yml 1`] = `
+{1: 1,2: 2,3: 3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ 1: 1, 2: 2, 3: 3 }
+
+`;
+
+exports[`short-value.yml 2`] = `
+{1: 1,2: 2,3: 3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{ 1: 1, 2: 2, 3: 3 }
+
+`;
+
+exports[`short-value.yml 3`] = `
+{1: 1,2: 2,3: 3}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+{1: 1, 2: 2, 3: 3}
+
+`;

tests/yaml_flow_mapping/alias-key.yml

@@ -0,0 +1 @@
+{*123 : 456}

tests/yaml_flow_mapping/array-key-array-value.yml

@@ -0,0 +1 @@
+{[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}

tests/yaml_flow_mapping/array-key.yml

@@ -0,0 +1 @@
+{? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}

tests/yaml_flow_mapping/array-plain.yml

@@ -0,0 +1 @@
+{[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}

tests/yaml_flow_mapping/array-value.yml

@@ -0,0 +1 @@
+{a: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],b: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],c: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]}

tests/yaml_flow_mapping/comment-between.yml

@@ -0,0 +1,5 @@
+{
+? 123
+# comment
+: 456
+}

tests/yaml_flow_mapping/comment-trailing.yml

@@ -0,0 +1,2 @@
+{123, # comment
+}

tests/yaml_flow_mapping/empty-item-colon.yml

@@ -0,0 +1 @@
+{ : }

tests/yaml_flow_mapping/empty-line-collapse.yml

@@ -0,0 +1,3 @@
+{ aaa, 
+
+bbb }

tests/yaml_flow_mapping/empty-line.yml

@@ -0,0 +1,3 @@
+{ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 
+
+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb }

tests/yaml_flow_mapping/empty.yml

@@ -0,0 +1 @@
+{}

tests/yaml_flow_mapping/jsfmt.spec.js

@@ -0,0 +1,3 @@
+run_spec(__dirname, ["yaml"]);
+run_spec(__dirname, ["yaml"], { tabWidth: 4 });
+run_spec(__dirname, ["yaml"], { bracketSpacing: false });

tests/yaml_flow_mapping/long-key-long-value.yml

@@ -0,0 +1 @@
+{longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong}

tests/yaml_flow_mapping/long-key.yml

@@ -0,0 +1 @@
+{? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3}

tests/yaml_flow_mapping/long-plain.yml

@@ -0,0 +1 @@
+{longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong1,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong2,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong3}

tests/yaml_flow_mapping/long-value.yml

@@ -0,0 +1 @@
+{1: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,2: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,3: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong}

tests/yaml_flow_mapping/middle-comment.yml

@@ -0,0 +1,2 @@
+!!map #comment
+{}

tests/yaml_flow_mapping/middle-comments.yml

@@ -0,0 +1,3 @@
+!!map # comment 1
+# comment 2
+{}

tests/yaml_flow_mapping/next-empty-line.yml

@@ -0,0 +1,5 @@
+{
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123, 
+
+c: 123
+}

tests/yaml_flow_mapping/props-in-map.yml

@@ -0,0 +1 @@
+a: !!map &anchor {a: 1}

tests/yaml_flow_mapping/props.yml

@@ -0,0 +1 @@
+!!map &anchor {a: 1}

tests/yaml_flow_mapping/short-key-short-value.yml

@@ -0,0 +1 @@
+{1: a,2: b,3: c}

tests/yaml_flow_mapping/short-key.yml

@@ -0,0 +1 @@
+{? 1,? 2,? 3}

tests/yaml_flow_mapping/short-plain.yml

@@ -0,0 +1 @@
+{1,2,3}

tests/yaml_flow_mapping/short-value.yml

@@ -0,0 +1 @@
+{1: 1,2: 2,3: 3}

tests/yaml_flow_sequence/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,904 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`alias-key.yml 1`] = `
+[*123 : 456]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[*123 : 456]
+
+`;
+
+exports[`alias-key.yml 2`] = `
+[*123 : 456]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[*123 : 456]
+
+`;
+
+exports[`alias-key.yml 3`] = `
+[*123 : 456]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[*123 : 456]
+
+`;
+
+exports[`array-key.yml 1`] = `
+[? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+]
+
+`;
+
+exports[`array-key.yml 2`] = `
+[? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    ? [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+    ? [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+    ? [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+]
+
+`;
+
+exports[`array-key.yml 3`] = `
+[? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+]
+
+`;
+
+exports[`array-key-array-value.yml 1`] = `
+[[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+]
+
+`;
+
+exports[`array-key-array-value.yml 2`] = `
+[[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    ? [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ]
+    : [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+    ? [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ]
+    : [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+    ? [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ]
+    : [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+]
+
+`;
+
+exports[`array-key-array-value.yml 3`] = `
+[[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  ? [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ]
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+]
+
+`;
+
+exports[`array-plain.yml 1`] = `
+[[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+]
+
+`;
+
+exports[`array-plain.yml 2`] = `
+[[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    [
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+    ],
+    [
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+    ],
+    [
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+        longlonglonglonglonglonglonglonglonglonglong,
+    ],
+]
+
+`;
+
+exports[`array-plain.yml 3`] = `
+[[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+  [
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglong,
+  ],
+]
+
+`;
+
+exports[`array-value.yml 1`] = `
+[: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+]
+
+`;
+
+exports[`array-value.yml 2`] = `
+[: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    : [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+    : [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+    : [
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+          longlonglonglonglonglonglonglonglonglonglong,
+      ],
+]
+
+`;
+
+exports[`array-value.yml 3`] = `
+[: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+  : [
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+      longlonglonglonglonglonglonglonglonglonglong,
+    ],
+]
+
+`;
+
+exports[`comment-between.yml 1`] = `
+[
+? 123
+# comment
+: 456
+]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  ? 123
+  # comment
+  : 456,
+]
+
+`;
+
+exports[`comment-between.yml 2`] = `
+[
+? 123
+# comment
+: 456
+]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    ? 123
+    # comment
+    : 456,
+]
+
+`;
+
+exports[`comment-between.yml 3`] = `
+[
+? 123
+# comment
+: 456
+]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  ? 123
+  # comment
+  : 456,
+]
+
+`;
+
+exports[`comment-trailing.yml 1`] = `
+[123, # comment
+]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  123, # comment
+]
+
+`;
+
+exports[`comment-trailing.yml 2`] = `
+[123, # comment
+]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    123, # comment
+]
+
+`;
+
+exports[`comment-trailing.yml 3`] = `
+[123, # comment
+]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  123, # comment
+]
+
+`;
+
+exports[`empty.yml 1`] = `
+[]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[]
+
+`;
+
+exports[`empty.yml 2`] = `
+[]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[]
+
+`;
+
+exports[`empty.yml 3`] = `
+[]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[]
+
+`;
+
+exports[`empty-item-colon.yml 1`] = `
+[ : ]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[: ]
+
+`;
+
+exports[`empty-item-colon.yml 2`] = `
+[ : ]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[: ]
+
+`;
+
+exports[`empty-item-colon.yml 3`] = `
+[ : ]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[: ]
+
+`;
+
+exports[`empty-line.yml 1`] = `
+[ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 
+
+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb ]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
+
+  bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,
+]
+
+`;
+
+exports[`empty-line.yml 2`] = `
+[ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 
+
+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb ]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
+
+    bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,
+]
+
+`;
+
+exports[`empty-line.yml 3`] = `
+[ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 
+
+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb ]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
+
+  bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,
+]
+
+`;
+
+exports[`empty-line-collapse.yml 1`] = `
+[ aaa, 
+
+bbb ]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[aaa, bbb]
+
+`;
+
+exports[`empty-line-collapse.yml 2`] = `
+[ aaa, 
+
+bbb ]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[aaa, bbb]
+
+`;
+
+exports[`empty-line-collapse.yml 3`] = `
+[ aaa, 
+
+bbb ]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[aaa, bbb]
+
+`;
+
+exports[`long-key.yml 1`] = `
+[? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  ? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  ? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  ? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-key.yml 2`] = `
+[? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    ? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    ? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    ? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-key.yml 3`] = `
+[? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  ? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  ? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  ? longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-key-long-value.yml 1`] = `
+[longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-key-long-value.yml 2`] = `
+[longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong:
+        longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong:
+        longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong:
+        longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-key-long-value.yml 3`] = `
+[longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong:
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-plain.yml 1`] = `
+[longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-plain.yml 2`] = `
+[longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-plain.yml 3`] = `
+[longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-value.yml 1`] = `
+[: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  : longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  : longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  : longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-value.yml 2`] = `
+[: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    : longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    : longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+    : longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`long-value.yml 3`] = `
+[: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,: longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  : longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  : longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+  : longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglong,
+]
+
+`;
+
+exports[`middle-comment.yml 1`] = `
+!!set # comment
+[]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!set # comment
+[]
+
+`;
+
+exports[`middle-comment.yml 2`] = `
+!!set # comment
+[]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!set # comment
+[]
+
+`;
+
+exports[`middle-comment.yml 3`] = `
+!!set # comment
+[]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!set # comment
+[]
+
+`;
+
+exports[`middle-comments.yml 1`] = `
+!!set # comment 1
+# comment 2
+[]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!set
+# comment 1
+# comment 2
+[]
+
+`;
+
+exports[`middle-comments.yml 2`] = `
+!!set # comment 1
+# comment 2
+[]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!set
+# comment 1
+# comment 2
+[]
+
+`;
+
+exports[`middle-comments.yml 3`] = `
+!!set # comment 1
+# comment 2
+[]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!set
+# comment 1
+# comment 2
+[]
+
+`;
+
+exports[`next-empty-line.yml 1`] = `
+[
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123, 
+
+c: 123
+]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123,
+  bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123,
+
+  c: 123,
+]
+
+`;
+
+exports[`next-empty-line.yml 2`] = `
+[
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123, 
+
+c: 123
+]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123,
+    bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123,
+
+    c: 123,
+]
+
+`;
+
+exports[`next-empty-line.yml 3`] = `
+[
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123, 
+
+c: 123
+]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[
+  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: 123,
+  bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb: 123,
+
+  c: 123,
+]
+
+`;
+
+exports[`props.yml 1`] = `
+!!set &anchor [1]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!set &anchor [1]
+
+`;
+
+exports[`props.yml 2`] = `
+!!set &anchor [1]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!set &anchor [1]
+
+`;
+
+exports[`props.yml 3`] = `
+!!set &anchor [1]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!set &anchor [1]
+
+`;
+
+exports[`props-in-map.yml 1`] = `
+a: !!set &anchor [1]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: !!set &anchor [1]
+
+`;
+
+exports[`props-in-map.yml 2`] = `
+a: !!set &anchor [1]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: !!set &anchor [1]
+
+`;
+
+exports[`props-in-map.yml 3`] = `
+a: !!set &anchor [1]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+a: !!set &anchor [1]
+
+`;
+
+exports[`short-key.yml 1`] = `
+[? 1,? 2,? 3]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[? 1, ? 2, ? 3]
+
+`;
+
+exports[`short-key.yml 2`] = `
+[? 1,? 2,? 3]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[? 1, ? 2, ? 3]
+
+`;
+
+exports[`short-key.yml 3`] = `
+[? 1,? 2,? 3]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[? 1, ? 2, ? 3]
+
+`;
+
+exports[`short-key-short-value.yml 1`] = `
+[1: a,2: b,3: c]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[1: a, 2: b, 3: c]
+
+`;
+
+exports[`short-key-short-value.yml 2`] = `
+[1: a,2: b,3: c]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[1: a, 2: b, 3: c]
+
+`;
+
+exports[`short-key-short-value.yml 3`] = `
+[1: a,2: b,3: c]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[1: a, 2: b, 3: c]
+
+`;
+
+exports[`short-plain.yml 1`] = `
+[1,2,3]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[1, 2, 3]
+
+`;
+
+exports[`short-plain.yml 2`] = `
+[1,2,3]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[1, 2, 3]
+
+`;
+
+exports[`short-plain.yml 3`] = `
+[1,2,3]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[1, 2, 3]
+
+`;
+
+exports[`short-value.yml 1`] = `
+[: 1,: 2,: 3]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[: 1, : 2, : 3]
+
+`;
+
+exports[`short-value.yml 2`] = `
+[: 1,: 2,: 3]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[: 1, : 2, : 3]
+
+`;
+
+exports[`short-value.yml 3`] = `
+[: 1,: 2,: 3]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[: 1, : 2, : 3]
+
+`;

tests/yaml_flow_sequence/alias-key.yml

@@ -0,0 +1 @@
+[*123 : 456]

tests/yaml_flow_sequence/array-key-array-value.yml

@@ -0,0 +1 @@
+[[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]

tests/yaml_flow_sequence/array-key.yml

@@ -0,0 +1 @@
+[? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],? [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]

tests/yaml_flow_sequence/array-plain.yml

@@ -0,0 +1 @@
+[[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],[longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]

tests/yaml_flow_sequence/array-value.yml

@@ -0,0 +1 @@
+[: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong],: [longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong, longlonglonglonglonglonglonglonglonglonglong]]

tests/yaml_flow_sequence/comment-between.yml

@@ -0,0 +1,5 @@
+[
+? 123
+# comment
+: 456
+]

tests/yaml_flow_sequence/comment-trailing.yml

@@ -0,0 +1,2 @@
+[123, # comment
+]

tests/yaml_flow_sequence/empty-item-colon.yml

@@ -0,0 +1 @@
+[ : ]