refactor: Extract printChildren and printElement (#11466)
* Extract printChildrent and printElement * Refactor printChildren
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Sosuke Suzuki authored and GitHub committed
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@@ -0,0 +1,210 @@
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"use strict";
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const {
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builders: { breakParent, group, ifBreak, line, softline, hardline },
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utils: { replaceTextEndOfLine },
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} = require("../../document/index.js");
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const { locStart, locEnd } = require("../loc.js");
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const {
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forceBreakChildren,
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forceNextEmptyLine,
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isTextLikeNode,
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hasPrettierIgnore,
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preferHardlineAsLeadingSpaces,
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} = require("../utils.js");
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const {
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printOpeningTagPrefix,
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needsToBorrowNextOpeningTagStartMarker,
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printOpeningTagStartMarker,
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needsToBorrowPrevClosingTagEndMarker,
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printClosingTagEndMarker,
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printClosingTagSuffix,
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needsToBorrowParentClosingTagStartMarker,
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} = require("./tag.js");
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function printChild(childPath, options, print) {
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const child = childPath.getValue();
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if (hasPrettierIgnore(child)) {
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return [
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printOpeningTagPrefix(child, options),
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...replaceTextEndOfLine(
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options.originalText.slice(
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locStart(child) +
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(child.prev && needsToBorrowNextOpeningTagStartMarker(child.prev)
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? printOpeningTagStartMarker(child).length
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: 0),
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locEnd(child) -
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(child.next && needsToBorrowPrevClosingTagEndMarker(child.next)
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? printClosingTagEndMarker(child, options).length
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: 0)
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)
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),
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printClosingTagSuffix(child, options),
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];
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}
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return print();
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}
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function printBetweenLine(prevNode, nextNode) {
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return isTextLikeNode(prevNode) && isTextLikeNode(nextNode)
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? prevNode.isTrailingSpaceSensitive
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? prevNode.hasTrailingSpaces
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? preferHardlineAsLeadingSpaces(nextNode)
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? hardline
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: line
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: ""
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: preferHardlineAsLeadingSpaces(nextNode)
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? hardline
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: softline
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: (needsToBorrowNextOpeningTagStartMarker(prevNode) &&
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(hasPrettierIgnore(nextNode) ||
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/**
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* 123<a
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* ~
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* ><b>
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*/
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nextNode.firstChild ||
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/**
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* 123<!--
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* ~
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* -->
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*/
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nextNode.isSelfClosing ||
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/**
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* 123<span
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* ~
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* attr
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*/
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(nextNode.type === "element" && nextNode.attrs.length > 0))) ||
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/**
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* <img
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* src="long"
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* ~
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* />123
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*/
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(prevNode.type === "element" &&
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prevNode.isSelfClosing &&
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needsToBorrowPrevClosingTagEndMarker(nextNode))
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? ""
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: !nextNode.isLeadingSpaceSensitive ||
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preferHardlineAsLeadingSpaces(nextNode) ||
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/**
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* Want to write us a letter? Use our<a
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* ><b><a>mailing address</a></b></a
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* ~
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* >.
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*/
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(needsToBorrowPrevClosingTagEndMarker(nextNode) &&
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prevNode.lastChild &&
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needsToBorrowParentClosingTagStartMarker(prevNode.lastChild) &&
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prevNode.lastChild.lastChild &&
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needsToBorrowParentClosingTagStartMarker(prevNode.lastChild.lastChild))
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? hardline
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: nextNode.hasLeadingSpaces
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? line
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: softline;
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}
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function printChildren(path, options, print) {
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const node = path.getValue();
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if (forceBreakChildren(node)) {
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return [
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breakParent,
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...path.map((childPath) => {
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const childNode = childPath.getValue();
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const prevBetweenLine = !childNode.prev
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? ""
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: printBetweenLine(childNode.prev, childNode);
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return [
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!prevBetweenLine
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? ""
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: [
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prevBetweenLine,
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forceNextEmptyLine(childNode.prev) ? hardline : "",
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],
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printChild(childPath, options, print),
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];
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}, "children"),
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];
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}
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const groupIds = node.children.map(() => Symbol(""));
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return path.map((childPath, childIndex) => {
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const childNode = childPath.getValue();
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if (isTextLikeNode(childNode)) {
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if (childNode.prev && isTextLikeNode(childNode.prev)) {
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const prevBetweenLine = printBetweenLine(childNode.prev, childNode);
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if (prevBetweenLine) {
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if (forceNextEmptyLine(childNode.prev)) {
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return [hardline, hardline, printChild(childPath, options, print)];
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}
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return [prevBetweenLine, printChild(childPath, options, print)];
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}
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}
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return printChild(childPath, options, print);
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}
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const prevParts = [];
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const leadingParts = [];
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const trailingParts = [];
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const nextParts = [];
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const prevBetweenLine = childNode.prev
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? printBetweenLine(childNode.prev, childNode)
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: "";
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const nextBetweenLine = childNode.next
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? printBetweenLine(childNode, childNode.next)
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: "";
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if (prevBetweenLine) {
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if (forceNextEmptyLine(childNode.prev)) {
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prevParts.push(hardline, hardline);
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} else if (prevBetweenLine === hardline) {
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prevParts.push(hardline);
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} else {
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if (isTextLikeNode(childNode.prev)) {
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leadingParts.push(prevBetweenLine);
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} else {
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leadingParts.push(
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ifBreak("", softline, {
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groupId: groupIds[childIndex - 1],
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})
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);
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}
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}
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}
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if (nextBetweenLine) {
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if (forceNextEmptyLine(childNode)) {
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if (isTextLikeNode(childNode.next)) {
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nextParts.push(hardline, hardline);
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}
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} else if (nextBetweenLine === hardline) {
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if (isTextLikeNode(childNode.next)) {
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nextParts.push(hardline);
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}
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} else {
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trailingParts.push(nextBetweenLine);
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}
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}
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return [
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...prevParts,
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group([
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...leadingParts,
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group([printChild(childPath, options, print), ...trailingParts], {
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id: groupIds[childIndex],
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}),
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]),
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...nextParts,
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];
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}, "children");
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}
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module.exports = { printChildren };
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@@ -0,0 +1,176 @@
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"use strict";
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const {
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builders: {
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breakParent,
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dedentToRoot,
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group,
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ifBreak,
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indentIfBreak,
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indent,
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line,
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softline,
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},
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utils: { replaceTextEndOfLine },
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} = require("../../document/index.js");
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const getNodeContent = require("../get-node-content.js");
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const {
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shouldPreserveContent,
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isScriptLikeTag,
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isVueCustomBlock,
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countParents,
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forceBreakContent,
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} = require("../utils.js");
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const {
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printOpeningTagPrefix,
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printOpeningTag,
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printClosingTagSuffix,
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printClosingTag,
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needsToBorrowPrevClosingTagEndMarker,
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needsToBorrowLastChildClosingTagEndMarker,
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} = require("./tag.js");
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const { printChildren } = require("./children.js");
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function printElement(path, options, print) {
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const node = path.getValue();
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if (shouldPreserveContent(node, options)) {
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return [
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printOpeningTagPrefix(node, options),
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group(printOpeningTag(path, options, print)),
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...replaceTextEndOfLine(getNodeContent(node, options)),
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...printClosingTag(node, options),
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printClosingTagSuffix(node, options),
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];
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}
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/**
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* do not break:
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*
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* <div>{{
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* ~
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* interpolation
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* }}</div>
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* ~
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*
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* exception: break if the opening tag breaks
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*
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* <div
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* long
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* ~
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* >{{
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* interpolation
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* }}</div
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* ~
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* >
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*/
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const shouldHugContent =
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node.children.length === 1 &&
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node.firstChild.type === "interpolation" &&
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node.firstChild.isLeadingSpaceSensitive &&
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!node.firstChild.hasLeadingSpaces &&
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node.lastChild.isTrailingSpaceSensitive &&
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!node.lastChild.hasTrailingSpaces;
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const attrGroupId = Symbol("element-attr-group-id");
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const printTag = (doc) =>
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group([
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group(printOpeningTag(path, options, print), { id: attrGroupId }),
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doc,
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printClosingTag(node, options),
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]);
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const printChildrenDoc = (childrenDoc) => {
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if (shouldHugContent) {
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return indentIfBreak(childrenDoc, { groupId: attrGroupId });
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}
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if (
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(isScriptLikeTag(node) || isVueCustomBlock(node, options)) &&
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node.parent.type === "root" &&
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options.parser === "vue" &&
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!options.vueIndentScriptAndStyle
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) {
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return childrenDoc;
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}
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return indent(childrenDoc);
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};
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const printLineBeforeChildren = () => {
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if (shouldHugContent) {
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return ifBreak(softline, "", { groupId: attrGroupId });
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}
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if (
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node.firstChild.hasLeadingSpaces &&
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node.firstChild.isLeadingSpaceSensitive
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) {
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return line;
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}
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if (
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node.firstChild.type === "text" &&
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node.isWhitespaceSensitive &&
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node.isIndentationSensitive
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) {
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return dedentToRoot(softline);
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}
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return softline;
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};
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const printLineAfterChildren = () => {
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const needsToBorrow = node.next
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? needsToBorrowPrevClosingTagEndMarker(node.next)
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: needsToBorrowLastChildClosingTagEndMarker(node.parent);
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if (needsToBorrow) {
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if (
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node.lastChild.hasTrailingSpaces &&
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node.lastChild.isTrailingSpaceSensitive
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) {
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return " ";
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}
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return "";
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}
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if (shouldHugContent) {
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return ifBreak(softline, "", { groupId: attrGroupId });
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}
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if (
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node.lastChild.hasTrailingSpaces &&
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node.lastChild.isTrailingSpaceSensitive
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) {
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return line;
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}
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if (
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(node.lastChild.type === "comment" ||
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(node.lastChild.type === "text" &&
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node.isWhitespaceSensitive &&
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node.isIndentationSensitive)) &&
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new RegExp(
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`\\n[\\t ]{${
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options.tabWidth *
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countParents(
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path,
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(node) => node.parent && node.parent.type !== "root"
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)
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}}$`
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).test(node.lastChild.value)
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) {
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return "";
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}
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return softline;
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};
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if (node.children.length === 0) {
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return printTag(
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node.hasDanglingSpaces && node.isDanglingSpaceSensitive ? line : ""
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);
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}
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return printTag([
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forceBreakContent(node) ? breakParent : "",
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printChildrenDoc([
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printLineBeforeChildren(),
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printChildren(path, options, print),
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]),
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printLineAfterChildren(),
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]);
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}
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module.exports = { printElement };
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@@ -5,34 +5,12 @@
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*/
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const {
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builders: {
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breakParent,
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dedentToRoot,
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fill,
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group,
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hardline,
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ifBreak,
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indentIfBreak,
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indent,
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line,
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literalline,
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softline,
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},
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builders: { fill, group, hardline, literalline },
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utils: { cleanDoc, getDocParts, isConcat, replaceTextEndOfLine },
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} = require("../document/index.js");
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const clean = require("./clean.js");
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const {
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countChars,
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countParents,
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forceBreakChildren,
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forceBreakContent,
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forceNextEmptyLine,
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hasPrettierIgnore,
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isVueCustomBlock,
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isScriptLikeTag,
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isTextLikeNode,
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preferHardlineAsLeadingSpaces,
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shouldPreserveContent,
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unescapeQuoteEntities,
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getTextValueParts,
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} = require("./utils.js");
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@@ -41,20 +19,13 @@ const { insertPragma } = require("./pragma.js");
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const { locStart, locEnd } = require("./loc.js");
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const embed = require("./embed.js");
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const {
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printClosingTagEndMarker,
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printClosingTagSuffix,
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printClosingTag,
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printClosingTagEnd,
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needsToBorrowPrevClosingTagEndMarker,
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needsToBorrowLastChildClosingTagEndMarker,
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needsToBorrowParentClosingTagStartMarker,
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printOpeningTagPrefix,
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printOpeningTag,
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printOpeningTagStart,
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printOpeningTagStartMarker,
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needsToBorrowNextOpeningTagStartMarker,
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} = require("./print/tag.js");
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const getNodeContent = require("./get-node-content.js");
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const { printElement } = require("./print/element.js");
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const { printChildren } = require("./print/children.js");
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function genericPrint(path, options, print) {
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const node = path.getValue();
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@@ -153,335 +124,6 @@ function genericPrint(path, options, print) {
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}
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}
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function printElement(path, options, print) {
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const node = path.getValue();
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if (shouldPreserveContent(node, options)) {
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return [
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printOpeningTagPrefix(node, options),
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group(printOpeningTag(path, options, print)),
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...replaceTextEndOfLine(getNodeContent(node, options)),
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...printClosingTag(node, options),
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printClosingTagSuffix(node, options),
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];
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}
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/**
|
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* do not break:
|
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*
|
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* <div>{{
|
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* ~
|
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* interpolation
|
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* }}</div>
|
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* ~
|
||||
*
|
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* exception: break if the opening tag breaks
|
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*
|
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* <div
|
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* long
|
||||
* ~
|
||||
* >{{
|
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* interpolation
|
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* }}</div
|
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* ~
|
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* >
|
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*/
|
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const shouldHugContent =
|
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node.children.length === 1 &&
|
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node.firstChild.type === "interpolation" &&
|
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node.firstChild.isLeadingSpaceSensitive &&
|
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!node.firstChild.hasLeadingSpaces &&
|
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node.lastChild.isTrailingSpaceSensitive &&
|
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!node.lastChild.hasTrailingSpaces;
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|
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const attrGroupId = Symbol("element-attr-group-id");
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const printTag = (doc) =>
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group([
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group(printOpeningTag(path, options, print), { id: attrGroupId }),
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doc,
|
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printClosingTag(node, options),
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]);
|
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|
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const printChildrenDoc = (childrenDoc) => {
|
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if (shouldHugContent) {
|
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return indentIfBreak(childrenDoc, { groupId: attrGroupId });
|
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}
|
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if (
|
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(isScriptLikeTag(node) || isVueCustomBlock(node, options)) &&
|
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node.parent.type === "root" &&
|
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options.parser === "vue" &&
|
||||
!options.vueIndentScriptAndStyle
|
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) {
|
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return childrenDoc;
|
||||
}
|
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return indent(childrenDoc);
|
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};
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|
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const printLineBeforeChildren = () => {
|
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if (shouldHugContent) {
|
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return ifBreak(softline, "", { groupId: attrGroupId });
|
||||
}
|
||||
if (
|
||||
node.firstChild.hasLeadingSpaces &&
|
||||
node.firstChild.isLeadingSpaceSensitive
|
||||
) {
|
||||
return line;
|
||||
}
|
||||
if (
|
||||
node.firstChild.type === "text" &&
|
||||
node.isWhitespaceSensitive &&
|
||||
node.isIndentationSensitive
|
||||
) {
|
||||
return dedentToRoot(softline);
|
||||
}
|
||||
return softline;
|
||||
};
|
||||
|
||||
const printLineAfterChildren = () => {
|
||||
const needsToBorrow = node.next
|
||||
? needsToBorrowPrevClosingTagEndMarker(node.next)
|
||||
: needsToBorrowLastChildClosingTagEndMarker(node.parent);
|
||||
if (needsToBorrow) {
|
||||
if (
|
||||
node.lastChild.hasTrailingSpaces &&
|
||||
node.lastChild.isTrailingSpaceSensitive
|
||||
) {
|
||||
return " ";
|
||||
}
|
||||
return "";
|
||||
}
|
||||
if (shouldHugContent) {
|
||||
return ifBreak(softline, "", { groupId: attrGroupId });
|
||||
}
|
||||
if (
|
||||
node.lastChild.hasTrailingSpaces &&
|
||||
node.lastChild.isTrailingSpaceSensitive
|
||||
) {
|
||||
return line;
|
||||
}
|
||||
if (
|
||||
(node.lastChild.type === "comment" ||
|
||||
(node.lastChild.type === "text" &&
|
||||
node.isWhitespaceSensitive &&
|
||||
node.isIndentationSensitive)) &&
|
||||
new RegExp(
|
||||
`\\n[\\t ]{${
|
||||
options.tabWidth *
|
||||
countParents(
|
||||
path,
|
||||
(node) => node.parent && node.parent.type !== "root"
|
||||
)
|
||||
}}$`
|
||||
).test(node.lastChild.value)
|
||||
) {
|
||||
return "";
|
||||
}
|
||||
return softline;
|
||||
};
|
||||
|
||||
if (node.children.length === 0) {
|
||||
return printTag(
|
||||
node.hasDanglingSpaces && node.isDanglingSpaceSensitive ? line : ""
|
||||
);
|
||||
}
|
||||
|
||||
return printTag([
|
||||
forceBreakContent(node) ? breakParent : "",
|
||||
printChildrenDoc([
|
||||
printLineBeforeChildren(),
|
||||
printChildren(path, options, print),
|
||||
]),
|
||||
printLineAfterChildren(),
|
||||
]);
|
||||
}
|
||||
|
||||
function printChildren(path, options, print) {
|
||||
const node = path.getValue();
|
||||
|
||||
if (forceBreakChildren(node)) {
|
||||
return [
|
||||
breakParent,
|
||||
|
||||
...path.map((childPath) => {
|
||||
const childNode = childPath.getValue();
|
||||
const prevBetweenLine = !childNode.prev
|
||||
? ""
|
||||
: printBetweenLine(childNode.prev, childNode);
|
||||
return [
|
||||
!prevBetweenLine
|
||||
? ""
|
||||
: [
|
||||
prevBetweenLine,
|
||||
forceNextEmptyLine(childNode.prev) ? hardline : "",
|
||||
],
|
||||
printChild(childPath),
|
||||
];
|
||||
}, "children"),
|
||||
];
|
||||
}
|
||||
|
||||
const groupIds = node.children.map(() => Symbol(""));
|
||||
return path.map((childPath, childIndex) => {
|
||||
const childNode = childPath.getValue();
|
||||
|
||||
if (isTextLikeNode(childNode)) {
|
||||
if (childNode.prev && isTextLikeNode(childNode.prev)) {
|
||||
const prevBetweenLine = printBetweenLine(childNode.prev, childNode);
|
||||
if (prevBetweenLine) {
|
||||
if (forceNextEmptyLine(childNode.prev)) {
|
||||
return [hardline, hardline, printChild(childPath)];
|
||||
}
|
||||
return [prevBetweenLine, printChild(childPath)];
|
||||
}
|
||||
}
|
||||
return printChild(childPath);
|
||||
}
|
||||
|
||||
const prevParts = [];
|
||||
const leadingParts = [];
|
||||
const trailingParts = [];
|
||||
const nextParts = [];
|
||||
|
||||
const prevBetweenLine = childNode.prev
|
||||
? printBetweenLine(childNode.prev, childNode)
|
||||
: "";
|
||||
|
||||
const nextBetweenLine = childNode.next
|
||||
? printBetweenLine(childNode, childNode.next)
|
||||
: "";
|
||||
|
||||
if (prevBetweenLine) {
|
||||
if (forceNextEmptyLine(childNode.prev)) {
|
||||
prevParts.push(hardline, hardline);
|
||||
} else if (prevBetweenLine === hardline) {
|
||||
prevParts.push(hardline);
|
||||
} else {
|
||||
if (isTextLikeNode(childNode.prev)) {
|
||||
leadingParts.push(prevBetweenLine);
|
||||
} else {
|
||||
leadingParts.push(
|
||||
ifBreak("", softline, {
|
||||
groupId: groupIds[childIndex - 1],
|
||||
})
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (nextBetweenLine) {
|
||||
if (forceNextEmptyLine(childNode)) {
|
||||
if (isTextLikeNode(childNode.next)) {
|
||||
nextParts.push(hardline, hardline);
|
||||
}
|
||||
} else if (nextBetweenLine === hardline) {
|
||||
if (isTextLikeNode(childNode.next)) {
|
||||
nextParts.push(hardline);
|
||||
}
|
||||
} else {
|
||||
trailingParts.push(nextBetweenLine);
|
||||
}
|
||||
}
|
||||
|
||||
return [
|
||||
...prevParts,
|
||||
group([
|
||||
...leadingParts,
|
||||
group([printChild(childPath), ...trailingParts], {
|
||||
id: groupIds[childIndex],
|
||||
}),
|
||||
]),
|
||||
...nextParts,
|
||||
];
|
||||
}, "children");
|
||||
|
||||
function printChild(childPath) {
|
||||
const child = childPath.getValue();
|
||||
|
||||
if (hasPrettierIgnore(child)) {
|
||||
return [
|
||||
printOpeningTagPrefix(child, options),
|
||||
...replaceTextEndOfLine(
|
||||
options.originalText.slice(
|
||||
locStart(child) +
|
||||
(child.prev && needsToBorrowNextOpeningTagStartMarker(child.prev)
|
||||
? printOpeningTagStartMarker(child).length
|
||||
: 0),
|
||||
locEnd(child) -
|
||||
(child.next && needsToBorrowPrevClosingTagEndMarker(child.next)
|
||||
? printClosingTagEndMarker(child, options).length
|
||||
: 0)
|
||||
)
|
||||
),
|
||||
printClosingTagSuffix(child, options),
|
||||
];
|
||||
}
|
||||
|
||||
return print();
|
||||
}
|
||||
|
||||
function printBetweenLine(prevNode, nextNode) {
|
||||
return isTextLikeNode(prevNode) && isTextLikeNode(nextNode)
|
||||
? prevNode.isTrailingSpaceSensitive
|
||||
? prevNode.hasTrailingSpaces
|
||||
? preferHardlineAsLeadingSpaces(nextNode)
|
||||
? hardline
|
||||
: line
|
||||
: ""
|
||||
: preferHardlineAsLeadingSpaces(nextNode)
|
||||
? hardline
|
||||
: softline
|
||||
: (needsToBorrowNextOpeningTagStartMarker(prevNode) &&
|
||||
(hasPrettierIgnore(nextNode) ||
|
||||
/**
|
||||
* 123<a
|
||||
* ~
|
||||
* ><b>
|
||||
*/
|
||||
nextNode.firstChild ||
|
||||
/**
|
||||
* 123<!--
|
||||
* ~
|
||||
* -->
|
||||
*/
|
||||
nextNode.isSelfClosing ||
|
||||
/**
|
||||
* 123<span
|
||||
* ~
|
||||
* attr
|
||||
*/
|
||||
(nextNode.type === "element" && nextNode.attrs.length > 0))) ||
|
||||
/**
|
||||
* <img
|
||||
* src="long"
|
||||
* ~
|
||||
* />123
|
||||
*/
|
||||
(prevNode.type === "element" &&
|
||||
prevNode.isSelfClosing &&
|
||||
needsToBorrowPrevClosingTagEndMarker(nextNode))
|
||||
? ""
|
||||
: !nextNode.isLeadingSpaceSensitive ||
|
||||
preferHardlineAsLeadingSpaces(nextNode) ||
|
||||
/**
|
||||
* Want to write us a letter? Use our<a
|
||||
* ><b><a>mailing address</a></b></a
|
||||
* ~
|
||||
* >.
|
||||
*/
|
||||
(needsToBorrowPrevClosingTagEndMarker(nextNode) &&
|
||||
prevNode.lastChild &&
|
||||
needsToBorrowParentClosingTagStartMarker(prevNode.lastChild) &&
|
||||
prevNode.lastChild.lastChild &&
|
||||
needsToBorrowParentClosingTagStartMarker(
|
||||
prevNode.lastChild.lastChild
|
||||
))
|
||||
? hardline
|
||||
: nextNode.hasLeadingSpaces
|
||||
? line
|
||||
: softline;
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = {
|
||||
preprocess,
|
||||
print: genericPrint,
|
||||
|
||||
Reference in new issue
Block a user