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66 lines
1.4 KiB
66 lines
1.4 KiB
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*/
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const fs = require('fs');
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const walk = require('./walk');
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/**
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* Validate if there is a custom heading id and exit if there isn't a heading
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* @param {string} line
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* @returns
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*/
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function validateHeaderId(line) {
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if (!line.startsWith('#')) {
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return;
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}
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const match = /\{\/\*(.*?)\*\/}/.exec(line);
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const id = match;
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if (!id) {
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console.error('Run yarn fix-headings to generate headings.');
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process.exit(1);
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}
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}
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/**
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* Loops through the lines to skip code blocks
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* @param {Array<string>} lines
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*/
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function validateHeaderIds(lines) {
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let inCode = false;
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const results = [];
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lines.forEach((line) => {
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// Ignore code blocks
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if (line.startsWith('```')) {
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inCode = !inCode;
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results.push(line);
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return;
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}
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if (inCode) {
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results.push(line);
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return;
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}
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validateHeaderId(line);
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});
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}
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/**
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* paths are basically array of path for which we have to validate heading IDs
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* @param {Array<string>} paths
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*/
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async function main(paths) {
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paths = paths.length === 0 ? ['src/content'] : paths;
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const files = paths.map((path) => [...walk(path)]).flat();
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files.forEach((file) => {
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if (!(file.endsWith('.md') || file.endsWith('.mdx'))) {
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return;
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}
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const content = fs.readFileSync(file, 'utf8');
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const lines = content.split('\n');
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validateHeaderIds(lines);
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});
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}
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module.exports = main;
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