diff --git a/tools/doc/allhtml.mjs b/tools/doc/allhtml.mjs
index 50f145034ccb7a..fb0b719ac8a8a9 100644
--- a/tools/doc/allhtml.mjs
+++ b/tools/doc/allhtml.mjs
@@ -2,6 +2,7 @@
// of the generated html files.
import fs from 'fs';
+import buildCSSForFlavoredJS from './buildCSSForFlavoredJS.mjs';
const source = new URL('../../out/doc/api/', import.meta.url);
@@ -90,7 +91,14 @@ all = all.slice(0, tocStart.index + tocStart[0].length) +
// Replace apicontent with the concatenated set of apicontents from each source.
const apiStart = /<\w+ id="apicontent">\s*/.exec(all);
const apiEnd = all.lastIndexOf('');
-all = all.slice(0, apiStart.index + apiStart[0].length) +
+all = all.slice(0, apiStart.index + apiStart[0].length)
+ .replace(
+ '\n',
+ buildCSSForFlavoredJS(new Set(Array.from(
+ apicontent.matchAll(/(?<=
)/g),
+ (x) => Number(x[0])
+ ))) + '\n'
+ ) +
apicontent +
all.slice(apiEnd);
diff --git a/tools/doc/buildCSSForFlavoredJS.mjs b/tools/doc/buildCSSForFlavoredJS.mjs
new file mode 100644
index 00000000000000..6b355ab1760a64
--- /dev/null
+++ b/tools/doc/buildCSSForFlavoredJS.mjs
@@ -0,0 +1,53 @@
+const CHAR_THRESHOLD = 68; // Around 68 characters, we have to take into
+// account the left column that appears on screen
+// wider than 1024px.
+
+const ESTIMATED_CHAR_WIDTH = 8; // If the root element font-size is 16px (default value), 1ch is 7.8025px.
+const TOGGLE_WIDTH = 142; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L954
+
+const PRE_MARGIN_LEFT = 16; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L516
+const PRE_MARGIN_RIGHT = 16; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L516
+const PRE_PADDING_LEFT = 16; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L513
+const PRE_PADDING_RIGHT = 16; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L513
+
+
+const COLUMN_RIGHT_MARGIN_LEFT_LARGE_SCREEN = 234; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L653
+const COLUMN_RIGHT_MARGIN_LEFT_SMALL_SCREEN = 0; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L906
+const COLUMN_RIGHT_MARGIN_RIGHT_LARGE_SCREEN = 0;
+const COLUMN_RIGHT_MARGIN_RIGHT_SMALL_SCREEN = 0;
+const COLUMN_RIGHT_PADDING_LEFT_LARGE_SCREEN = 24; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L655
+const COLUMN_RIGHT_PADDING_LEFT_SMALL_SCREEN = 8; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L907
+const COLUMN_RIGHT_PADDING_RIGHT_LARGE_SCREEN = 32; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L654
+const COLUMN_RIGHT_PADDING_RIGHT_SMALL_SCREEN = 8; // https://github.com/nodejs/node/blob/dbd938549b16718f2e4cc2809746b8c44a191b1d/doc/api_assets/style.css#L908
+
+const getMarginLeft = (charCount) =>
+ (charCount > CHAR_THRESHOLD ?
+ COLUMN_RIGHT_MARGIN_LEFT_LARGE_SCREEN :
+ COLUMN_RIGHT_MARGIN_LEFT_SMALL_SCREEN) + PRE_MARGIN_LEFT;
+const getPaddingLeft = (charCount) =>
+ (charCount > CHAR_THRESHOLD ?
+ COLUMN_RIGHT_PADDING_LEFT_LARGE_SCREEN :
+ COLUMN_RIGHT_PADDING_LEFT_SMALL_SCREEN) + PRE_PADDING_LEFT;
+const getPaddingRight = (charCount) =>
+ (charCount > CHAR_THRESHOLD ?
+ COLUMN_RIGHT_PADDING_RIGHT_LARGE_SCREEN :
+ COLUMN_RIGHT_PADDING_RIGHT_SMALL_SCREEN) + PRE_PADDING_RIGHT;
+const getMarginRight = (charCount) =>
+ (charCount > CHAR_THRESHOLD ?
+ COLUMN_RIGHT_MARGIN_RIGHT_LARGE_SCREEN :
+ COLUMN_RIGHT_MARGIN_RIGHT_SMALL_SCREEN) + PRE_MARGIN_RIGHT;
+
+
+export default function buildCSSForFlavoredJS(dynamicSizes) {
+ if (dynamicSizes == null || dynamicSizes.length === 0) return '';
+
+ return ``;
+}
diff --git a/tools/doc/html.mjs b/tools/doc/html.mjs
index 1caffa7158c950..373f5487a31d4b 100644
--- a/tools/doc/html.mjs
+++ b/tools/doc/html.mjs
@@ -33,6 +33,9 @@ import { visit } from 'unist-util-visit';
import * as common from './common.mjs';
import * as typeParser from './type-parser.mjs';
+import buildCSSForFlavoredJS from './buildCSSForFlavoredJS.mjs';
+
+const dynamicSizes = Object.create(null);
const { highlight, getLanguage } = highlightJs;
@@ -90,6 +93,8 @@ function processContent(content) {
}
export function toHTML({ input, content, filename, nodeVersion, versions }) {
+ const dynamicSizesForThisFile = dynamicSizes[filename];
+
filename = path.basename(filename, '.md');
const id = filename.replace(/\W+/g, '-');
@@ -99,6 +104,7 @@ export function toHTML({ input, content, filename, nodeVersion, versions }) {
.replace('__SECTION__', content.section)
.replace(/__VERSION__/g, nodeVersion)
.replace(/__TOC__/g, content.toc)
+ .replace('__JS_FLAVORED_DYNAMIC_CSS__', buildCSSForFlavoredJS(dynamicSizesForThisFile))
.replace(/__TOC_PICKER__/g, tocPicker(id, content))
.replace(/__GTOC_PICKER__/g, gtocPicker(id))
.replace(/__GTOC__/g, gtocHTML.replace(
@@ -228,14 +234,19 @@ export function preprocessElements({ filename }) {
const previousNode = parent.children[index - 1] || {};
const nextNode = parent.children[index + 1] || {};
+ const charCountFirstTwoLines = Math.max(...node.value.split('\n', 2).map((str) => str.length));
+
if (!isJSFlavorSnippet(previousNode) &&
isJSFlavorSnippet(nextNode) &&
nextNode.lang !== node.lang) {
// Saving the highlight code as value to be added in the next node.
node.value = highlighted;
+ node.charCountFirstTwoLines = charCountFirstTwoLines;
} else if (isJSFlavorSnippet(previousNode) &&
previousNode.lang !== node.lang) {
- node.value = '' +
+ const actualCharCount = Math.max(charCountFirstTwoLines, previousNode.charCountFirstTwoLines);
+ (dynamicSizes[filename] ??= new Set()).add(actualCharCount);
+ node.value = `` +
'