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tools: fix CJS/ESM toggle on small screens
 PR-URL: #43506 Co-authored-by: Moshe Atlow <[email protected]> Fixes: #43468 Reviewed-By: LiviaMedeiros <[email protected]>
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‎doc/api_assets/style.css‎

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@@ -953,6 +953,9 @@ kbd {
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background-repeat: no-repeat;
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width: 142px;
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height: 20px;
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display: block;
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cursor: pointer;
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margin: 0;
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}
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.js-flavor-selector:checked {
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background-image: url(./js-flavor-esm.svg);

‎doc/template.html‎

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@@ -10,6 +10,7 @@
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<link rel="stylesheet" href="assets/hljs.css">
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<link rel="canonical" href="https://nodejs.org/api/__FILENAME__.html">
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<script async defer src="assets/api.js" type="text/javascript"></script>
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__JS_FLAVORED_DYNAMIC_CSS__
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</head>
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<body class="alt apidoc" id="api-section-__FILENAME__">
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<div id="content" class="clearfix">

‎tools/doc/allhtml.mjs‎

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@@ -2,6 +2,7 @@
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// of the generated html files.
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import fs from 'fs';
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import buildCSSForFlavoredJS from './buildCSSForFlavoredJS.mjs';
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const source = new URL('../../out/doc/api/', import.meta.url);
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@@ -90,7 +91,14 @@ all = all.slice(0, tocStart.index + tocStart[0].length) +
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// Replace apicontent with the concatenated set of apicontents from each source.
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const apiStart = /<\w+ id="apicontent">\s*/.exec(all);
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const apiEnd = all.lastIndexOf('<!-- API END -->');
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all = all.slice(0, apiStart.index + apiStart[0].length) +
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all = all.slice(0, apiStart.index + apiStart[0].length)
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.replace(
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'\n</head>',
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buildCSSForFlavoredJS(new Set(Array.from(
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apicontent.matchAll(/(?<=<pre class="with-)\d+(?=-chars">)/g),
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(x) => Number(x[0])
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))) + '\n</head>'
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) +
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apicontent +
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all.slice(apiEnd);
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‎tools/doc/buildCSSForFlavoredJS.mjs‎

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@@ -0,0 +1,53 @@
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const CHAR_THRESHOLD = 68; // Around 68 characters, we have to take into
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// account the left column that appears on screen
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// wider than 1024px.
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const ESTIMATED_CHAR_WIDTH = 8; // If the root element font-size is 16px (default value), 1ch is 7.8025px.
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const TOGGLE_WIDTH = 142; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L954
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const PRE_MARGIN_LEFT = 16; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L516
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const PRE_MARGIN_RIGHT = 16; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L516
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const PRE_PADDING_LEFT = 16; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L513
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const PRE_PADDING_RIGHT = 16; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L513
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const COLUMN_RIGHT_MARGIN_LEFT_LARGE_SCREEN = 234; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L653
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const COLUMN_RIGHT_MARGIN_LEFT_SMALL_SCREEN = 0; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L906
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const COLUMN_RIGHT_MARGIN_RIGHT_LARGE_SCREEN = 0;
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const COLUMN_RIGHT_MARGIN_RIGHT_SMALL_SCREEN = 0;
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const COLUMN_RIGHT_PADDING_LEFT_LARGE_SCREEN = 24; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L655
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const COLUMN_RIGHT_PADDING_LEFT_SMALL_SCREEN = 8; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L907
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const COLUMN_RIGHT_PADDING_RIGHT_LARGE_SCREEN = 32; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L654
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const COLUMN_RIGHT_PADDING_RIGHT_SMALL_SCREEN = 8; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L908
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const getMarginLeft = (charCount) =>
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(charCount > CHAR_THRESHOLD ?
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COLUMN_RIGHT_MARGIN_LEFT_LARGE_SCREEN :
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COLUMN_RIGHT_MARGIN_LEFT_SMALL_SCREEN) + PRE_MARGIN_LEFT;
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const getPaddingLeft = (charCount) =>
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(charCount > CHAR_THRESHOLD ?
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COLUMN_RIGHT_PADDING_LEFT_LARGE_SCREEN :
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COLUMN_RIGHT_PADDING_LEFT_SMALL_SCREEN) + PRE_PADDING_LEFT;
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const getPaddingRight = (charCount) =>
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(charCount > CHAR_THRESHOLD ?
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COLUMN_RIGHT_PADDING_RIGHT_LARGE_SCREEN :
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COLUMN_RIGHT_PADDING_RIGHT_SMALL_SCREEN) + PRE_PADDING_RIGHT;
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const getMarginRight = (charCount) =>
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(charCount > CHAR_THRESHOLD ?
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COLUMN_RIGHT_MARGIN_RIGHT_LARGE_SCREEN :
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COLUMN_RIGHT_MARGIN_RIGHT_SMALL_SCREEN) + PRE_MARGIN_RIGHT;
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export default function buildCSSForFlavoredJS(dynamicSizes) {
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if (dynamicSizes == null || dynamicSizes.length === 0) return '';
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return `<style>${Array.from(dynamicSizes, (charCount) =>
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`@media(max-width:${getMarginLeft(charCount) + getPaddingLeft(charCount) +
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charCount * ESTIMATED_CHAR_WIDTH + TOGGLE_WIDTH +
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getPaddingRight(charCount) + getMarginRight(charCount)}px){` +
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`.with-${charCount}-chars>.js-flavor-selector{` +
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'float:none;' +
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'margin:0 0 1em auto;' +
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'}' +
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'}').join('')}</style>`;
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}

‎tools/doc/html.mjs‎

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@@ -33,6 +33,9 @@ import { visit } from 'unist-util-visit';
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import * as common from './common.mjs';
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import * as typeParser from './type-parser.mjs';
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import buildCSSForFlavoredJS from './buildCSSForFlavoredJS.mjs';
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const dynamicSizes = Object.create(null);
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const { highlight, getLanguage } = highlightJs;
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@@ -90,6 +93,8 @@ function processContent(content) {
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}
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export function toHTML({ input, content, filename, nodeVersion, versions }) {
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const dynamicSizesForThisFile = dynamicSizes[filename];
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filename = path.basename(filename, '.md');
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const id = filename.replace(/\W+/g, '-');
@@ -99,6 +104,7 @@ export function toHTML({ input, content, filename, nodeVersion, versions }) {
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.replace('__SECTION__', content.section)
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.replace(/__VERSION__/g, nodeVersion)
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.replace(/__TOC__/g, content.toc)
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.replace('__JS_FLAVORED_DYNAMIC_CSS__', buildCSSForFlavoredJS(dynamicSizesForThisFile))
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.replace(/__TOC_PICKER__/g, tocPicker(id, content))
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.replace(/__GTOC_PICKER__/g, gtocPicker(id))
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.replace(/__GTOC__/g, gtocHTML.replace(
@@ -228,14 +234,19 @@ export function preprocessElements({ filename }) {
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const previousNode = parent.children[index - 1] || {};
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const nextNode = parent.children[index + 1] || {};
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const charCountFirstTwoLines = Math.max(...node.value.split('\n', 2).map((str) => str.length));
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if (!isJSFlavorSnippet(previousNode) &&
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isJSFlavorSnippet(nextNode) &&
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nextNode.lang !== node.lang) {
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// Saving the highlight code as value to be added in the next node.
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node.value = highlighted;
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node.charCountFirstTwoLines = charCountFirstTwoLines;
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} else if (isJSFlavorSnippet(previousNode) &&
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previousNode.lang !== node.lang) {
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node.value = '<pre>' +
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const actualCharCount = Math.max(charCountFirstTwoLines, previousNode.charCountFirstTwoLines);
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(dynamicSizes[filename] ??= new Set()).add(actualCharCount);
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node.value = `<pre class="with-${actualCharCount}-chars">` +
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'<input class="js-flavor-selector" type="checkbox"' +
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// If CJS comes in second, ESM should display by default.
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(node.lang === 'cjs' ? ' checked' : '') +

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