Extract inferParserByLanguage to seperate file (#13483)

src/common/util.js

@@ -1,5 +1,4 @@
 import escapeStringRegexp from "escape-string-regexp";
-import { getSupportInfo } from "../main/support.js";
 import {
   skipWhitespace,
   skipSpaces,
@@ -423,20 +422,6 @@ function addTrailingComment(node, comment) {
   addCommentHelper(node, comment);
 }
 
-function inferParserByLanguage(language, options) {
-  const { languages } = getSupportInfo({ plugins: options.plugins });
-  const matched =
-    languages.find(({ name }) => name.toLowerCase() === language) ||
-    languages.find(
-      ({ aliases }) => Array.isArray(aliases) && aliases.includes(language)
-    ) ||
-    languages.find(
-      ({ extensions }) =>
-        Array.isArray(extensions) && extensions.includes(`.${language}`)
-    );
-  return matched && matched.parsers[0];
-}
-
 function isFrontMatterNode(node) {
   return node && node.type === "front-matter";
 }
@@ -473,7 +458,6 @@ function describeNodeForDebugging(node) {
 }
 
 export {
-  inferParserByLanguage,
   getMaxContinuousCount,
   getMinNotPresentContinuousCount,
   getNextNonSpaceNonCommentCharacterIndexWithStartIndex,

src/language-html/parser-html.js

@@ -1,6 +1,6 @@
 import parseFrontMatter from "../utils/front-matter/parse.js";
+import inferParserByLanguage from "../utils/infer-parser-by-language.js";
 import createError from "../common/parser-create-error.js";
-import { inferParserByLanguage } from "../common/util.js";
 import HTML_TAGS from "./utils/html-tag-names.js";
 import HTML_ELEMENT_ATTRIBUTES from "./utils/html-elements-attributes.js";
 import isUnknownNamespace from "./utils/is-unknown-namespace.js";

src/language-html/utils/index.js

@@ -2,7 +2,8 @@
  * @typedef {import("../../common/ast-path.js").default} AstPath
  */
 
-import { inferParserByLanguage, isFrontMatterNode } from "../../common/util.js";
+import { isFrontMatterNode } from "../../common/util.js";
+import inferParserByLanguage from "../../utils/infer-parser-by-language.js";
 import { line, hardline, join } from "../../document/builders.js";
 import { replaceEndOfLine } from "../../document/utils.js";
 import {

src/language-markdown/embed.js

@@ -1,10 +1,8 @@
-import {
-  inferParserByLanguage,
-  getMaxContinuousCount,
-} from "../common/util.js";
+import { getMaxContinuousCount } from "../common/util.js";
 import { hardline, markAsRoot } from "../document/builders.js";
 import { replaceEndOfLine } from "../document/utils.js";
 import printFrontMatter from "../utils/front-matter/print.js";
+import inferParserByLanguage from "../utils/infer-parser-by-language.js";
 import { getFencedCodeBlockValue } from "./utils.js";
 
 function embed(path, options) {

src/utils/infer-parser-by-language.js

@@ -0,0 +1,17 @@
+import { getSupportInfo } from "../main/support.js";
+
+function inferParserByLanguage(language, options) {
+  const { languages } = getSupportInfo({ plugins: options.plugins });
+  const matched =
+    languages.find(({ name }) => name.toLowerCase() === language) ||
+    languages.find(
+      ({ aliases }) => Array.isArray(aliases) && aliases.includes(language)
+    ) ||
+    languages.find(
+      ({ extensions }) =>
+        Array.isArray(extensions) && extensions.includes(`.${language}`)
+    );
+  return matched && matched.parsers[0];
+}
+
+export default inferParserByLanguage;