doc,tools: remove `checkLinks.mjs`

The checks made by this are now integrated to `remark-preset-lint-node`,
there are no reason to keep it around anymore.

PR-URL: https://github.com/nodejs/node/pull/39206
Reviewed-By: Rich Trott <rtrott@gmail.com>

1 files changed, 0 insertions, 77 deletions

diff --git a/tools/doc/checkLinks.mjs b/tools/doc/checkLinks.mjs
deleted file mode 100644
index cb302ea27fe..00000000000
--- a/tools/doc/checkLinks.mjs
+++ /dev/null
@@ -1,77 +0,0 @@
-import fs from 'fs';
-import { extname, join, resolve } from 'path';
-import { pathToFileURL } from 'url';
-
-import gfm from 'remark-gfm';
-import markdown from 'remark-parse';
-import unified from 'unified';
-
-const DIR = resolve(process.argv[2]);
-
-console.log('Running Markdown link checker...');
-findMarkdownFilesRecursively(DIR);
-
-function* getLinksRecursively(node) {
-  if (node.url && !node.url.startsWith('#')) {
-    yield node;
-  }
-  for (const child of node.children || []) {
-    yield* getLinksRecursively(child);
-  }
-}
-
-function findMarkdownFilesRecursively(dirPath) {
-  const entries = fs.readdirSync(dirPath, { withFileTypes: true });
-
-  for (const entry of entries) {
-    const path = join(dirPath, entry.name);
-
-    if (
-      entry.isDirectory() &&
-      entry.name !== 'build' &&
-      entry.name !== 'changelogs' &&
-      entry.name !== 'deps' &&
-      entry.name !== 'fixtures' &&
-      entry.name !== 'gyp' &&
-      entry.name !== 'node_modules' &&
-      entry.name !== 'out' &&
-      entry.name !== 'tmp'
-    ) {
-      findMarkdownFilesRecursively(path);
-    } else if (entry.isFile() && extname(entry.name) === '.md') {
-      checkFile(path);
-    }
-  }
-}
-
-function checkFile(path) {
-  const tree = unified()
-    .use(markdown)
-    .use(gfm)
-    .parse(fs.readFileSync(path));
-
-  const base = pathToFileURL(path);
-  let previousDefinitionLabel;
-  for (const node of getLinksRecursively(tree)) {
-    const targetURL = new URL(node.url, base);
-    if (targetURL.protocol === 'file:' && !fs.existsSync(targetURL)) {
-      const { line, column } = node.position.start;
-      console.error((process.env.GITHUB_ACTIONS ?
-        `::error file=${path},line=${line},col=${column}::` : '') +
-        `Broken link at ${path}:${line}:${column} (${node.url})`);
-      process.exitCode = 1;
-    }
-    if (node.type === 'definition') {
-      if (previousDefinitionLabel &&
-          previousDefinitionLabel > node.label) {
-        const { line, column } = node.position.start;
-        console.error(
-          (process.env.GITHUB_ACTIONS ? `::error file=${path},line=${line},col=${column}::` : '') +
-          `Unordered reference at ${path}:${line}:${column} ("${node.label}" should be before "${previousDefinitionLabel}")`
-        );
-        process.exitCode = 1;
-      }
-      previousDefinitionLabel = node.label;
-    }
-  }
-}