tldr/scripts/build-index.js

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// SPDX-License-Identifier: MIT
'use strict';
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const glob = require('glob');
function parsePlatform(pagefile) {
return pagefile.split(/\//)[1];
}
function parsePagename(pagefile) {
return pagefile.split(/\//)[2].replace(/\.md$/, '');
}
function parseLanguage(pagefile) {
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let pagesFolder = pagefile.split(/\//)[0];
return pagesFolder == 'pages' ? 'en' : pagesFolder.replace(/^pages\./, '');
}
function buildPagesIndex(files) {
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let reducer = function (index, file) {
let os = parsePlatform(file);
let page = parsePagename(file);
let language = parseLanguage(file);
if (index[page]) {
if (!index[page].platform.includes(os)) {
index[page].platform.push(os);
}
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if (!index[page].language.includes(language)) {
index[page].language.push(language);
}
const targets = index[page].targets;
const exists = targets.some((t) => {return t.platform === os && t.language === language});
if (!exists) {
targets.push({os, language})
}
} else {
index[page] = {
name: page,
platform: [os],
language: [language],
targets: [{os, language}]
};
}
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return index;
};
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let obj = files.reduce(reducer, {});
return Object.keys(obj)
.sort()
.map(function(page) {
return {
name: page,
platform: obj[page].platform,
language: obj[page].language,
targets: obj[page].targets
};
});
}
function saveIndex(index) {
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let indexFile = {
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commands: index
};
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console.log(JSON.stringify(indexFile));
}
glob('pages*/**/*.md', function (er, files) {
if (er !== null) {
console.error('ERROR finding pages!');
console.error(er);
return;
}
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let index = buildPagesIndex(files);
saveIndex(index);
});