62 lines
1.4 KiB
JavaScript
62 lines
1.4 KiB
JavaScript
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#!/usr/bin/env node
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var fs = require('fs');
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var path = require('path');
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var execSync = require('child_process').execSync;
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var $ = require('cheerio');
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var fromEntries = require('object.fromentries');
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if (process.argv.length !== 3) {
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throw new RangeError('please provide a year');
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}
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var year = parseInt(process.argv[2]);
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if (year < 2016) {
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throw new RangeError('ES2016+ only');
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}
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var edition = year - 2009;
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var specHTMLurl = new URL('https://raw.githubusercontent.com/tc39/ecma262/es' + year + '/spec.html');
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var specHTML = String(execSync('curl --silent ' + specHTMLurl));
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var root = $(specHTML);
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var aOps = root.filter('[aoid]').add(root.find('[aoid]'));
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var missings = [];
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var entries = aOps.toArray().map(function (x) {
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var op = $(x);
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var aoid = op.attr('aoid');
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var id = op.attr('id');
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if (!id) {
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id = op.closest('[id]').attr('id');
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}
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if (!id) {
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missings.push(aoid);
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}
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return [
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aoid,
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'https://ecma-international.org/ecma-262/' + edition + '.0/#' + id
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];
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});
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if (missings.length > 0) {
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console.error('Missing URLs:', missings);
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process.exit(1);
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}
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entries.sort(function (a, b) { return a[0].localeCompare(b[0]); });
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var obj = fromEntries(entries);
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var outputPath = path.join('operations', year + '.js');
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fs.writeFileSync(outputPath, '\'use strict\';\n\nmodule.exports = ' + JSON.stringify(obj, null, '\t')+ ';\n');
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console.log('npx eslint --quiet --fix ' + outputPath);
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execSync('npx eslint --quiet --fix ' + outputPath);
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