62 lines
1.8 KiB
JavaScript
Executable File
62 lines
1.8 KiB
JavaScript
Executable File
#!/usr/bin/env node
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const copyright =
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`// This file Copyright © 2021-${new Date().getFullYear()} Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.`;
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const fs = require('fs');
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const https = require('https');
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// https://github.com/jshttp/mime-db
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// > If you're crazy enough to use this in the browser, you can just grab
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// > the JSON file using jsDelivr. It is recommended to replace master with
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// > a release tag as the JSON format may change in the future.
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//
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// This script keeps it at `master` to pick up any fixes that may have landed.
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// If the format changes, we'll just update this script.
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const url = 'https://cdn.jsdelivr.net/gh/jshttp/mime-db@master/db.json';
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https.get(url, (res) => {
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res.setEncoding('utf8');
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const chunks = [];
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res.on('data', (chunk) => chunks.push(chunk));
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res.on('end', () => {
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try {
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const suffixes = [];
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const mime_types = JSON.parse(chunks.join(''));
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for (const [mime_type, info] of Object.entries(mime_types)) {
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for (const suffix of info?.extensions || []) {
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suffixes.push([ suffix, mime_type ]);
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}
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}
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const mime_type_lines = suffixes
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.map(([suffix, mime_type]) => ` { "${suffix}", "${mime_type}" }`)
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.sort()
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.join(',\n');
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fs.writeFileSync('mime-types.h', `${copyright}
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#pragma once
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#include <array>
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#include <string_view>
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struct mime_type_suffix
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{
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std::string_view suffix;
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std::string_view mime_type;
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};
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inline auto constexpr mime_type_suffixes = std::array<mime_type_suffix, ${suffixes.length}>{
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{ ${mime_type_lines.trim()} }
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};
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`);
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} catch (e) {
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console.error(e.message);
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}
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});
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});
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