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keksAccountGUI/node_modulesOLD/mime/src/build.js
2019-08-11 20:48:02 +02:00

71 lines
1.8 KiB
JavaScript
Executable file

#!/usr/bin/env node
'use strict';
var fs = require('fs');
var path = require('path');
var mimeScore = require('mime-score');
var db = require('mime-db');
var chalk = require('chalk');
var STANDARD_FACET_SCORE = 900;
var byExtension = {};
// Clear out any conflict extensions in mime-db
for (var type in db) {
var entry = db[type];
entry.type = type;
if (!entry.extensions) continue;
entry.extensions.forEach(function(ext) {
var drop;
var keep = entry;
if (ext in byExtension) {
var e0 = entry;
var e1 = byExtension[ext];
e0.pri = mimeScore(e0.type, e0.source);
e1.pri = mimeScore(e1.type, e1.source);
drop = e0.pri < e1.pri ? e0 : e1;
keep = e0.pri >= e1.pri ? e0 : e1;
// Prefix lower-priority extensions with '*'
drop.extensions = drop.extensions.map(function(e) {return e == ext ? '*' + e : e});
console.log(
ext + ': Preferring ' + chalk.green(keep.type) + ' (' + keep.pri +
') over ' + chalk.red(drop.type) + ' (' + drop.pri + ')' + ' for ' + ext
);
}
// Cache the hightest ranking type for this extension
if (keep == entry) byExtension[ext] = entry;
});
}
function writeTypesFile(types, path) {
fs.writeFileSync(path, 'module.exports = ' + JSON.stringify(types) + ';');
}
// Segregate into standard and non-standard types based on facet per
// https://tools.ietf.org/html/rfc6838#section-3.1
var standard = {};
var other = {};
Object.keys(db).sort().forEach(function(k) {
var entry = db[k];
if (entry.extensions) {
if (mimeScore(entry.type, entry.source) >= STANDARD_FACET_SCORE) {
standard[entry.type] = entry.extensions;
} else {
other[entry.type] = entry.extensions;
}
}
});
writeTypesFile(standard, path.join(__dirname, '../types', 'standard.js'));
writeTypesFile(other, path.join(__dirname, '../types', 'other.js'));