#!/usr/bin/env node
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'use strict';
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const fs = require('fs');
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const path = require('path');
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const mimeScore = require('mime-score');
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let db = require('mime-db');
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let chalk = require('chalk');
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const STANDARD_FACET_SCORE = 900;
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const byExtension = {};
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// Clear out any conflict extensions in mime-db
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for (let type in db) {
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let entry = db[type];
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entry.type = type;
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if (!entry.extensions) continue;
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entry.extensions.forEach(ext => {
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if (ext in byExtension) {
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const e0 = entry;
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const e1 = byExtension[ext];
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e0.pri = mimeScore(e0.type, e0.source);
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e1.pri = mimeScore(e1.type, e1.source);
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let drop = e0.pri < e1.pri ? e0 : e1;
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let keep = e0.pri >= e1.pri ? e0 : e1;
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drop.extensions = drop.extensions.filter(e => e !== ext);
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console.log(`${ext}: Keeping ${chalk.green(keep.type)} (${keep.pri}), dropping ${chalk.red(drop.type)} (${drop.pri})`);
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}
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byExtension[ext] = entry;
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});
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}
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function writeTypesFile(types, path) {
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fs.writeFileSync(path, JSON.stringify(types));
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}
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// Segregate into standard and non-standard types based on facet per
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// https://tools.ietf.org/html/rfc6838#section-3.1
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const types = {};
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Object.keys(db).sort().forEach(k => {
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const entry = db[k];
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types[entry.type] = entry.extensions;
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});
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writeTypesFile(types, path.join(__dirname, '..', 'types.json'));
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