mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-02-01 15:57:48 +00:00
85 lines
2.7 KiB
JavaScript
85 lines
2.7 KiB
JavaScript
#!/usr/bin/env node
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;(function () {
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'use strict';
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/** Load Node modules */
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var fs = require('fs'),
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zlib = require('zlib'),
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path = require('path'),
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https = require('https'),
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exec = require('child_process').exec,
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tar = require('tar');
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/** The directory that is the base of the repository */
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var basePath = fs.realpathSync(path.join(__dirname, '..'));
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/** The `vendor` directory */
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var vendorPath = path.join(basePath, 'vendor');
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/**
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* Fetches a required `.tar.gz` dependency with the given Git object ID from
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* the Lo-Dash repo on GitHub. The object ID may be obtained by running `git
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* hash-object path/to/dependency.tar.gz`.
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*
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* @param {String} source The Git object ID of the `.tar.gz` package.
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* @param {String|Object} The extraction target directory, or an object
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* containing archived file names and target paths as key-value pairs.
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* @param {Function} callback The function to call once the extraction
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* finishes.
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*
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*/
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function getDependency(source, targets, callback) {
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https.get({
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'host': 'api.github.com',
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'path': '/repos/bestiejs/lodash/git/blobs/' + source,
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'headers': {
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'Accept': 'application/vnd.github.v3.raw'
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}
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}, function(response) {
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var parser;
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if (typeof targets == 'string') {
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parser = new tar.Extract({
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'path': targets
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});
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} else {
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parser = new tar.Parse();
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parser.on('entry', function(entry) {
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var path = entry.path;
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if (path in targets) {
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entry.pipe(fs.createWriteStream(targets[path]));
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}
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});
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}
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parser.on('end', function() {
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callback(null, targets);
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});
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parser.on('error', callback);
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response.pipe(zlib.createUnzip()).pipe(parser);
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}).on('error', callback);
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}
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exec('npm -g root', function(exception, stdout, stderr) {
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if (exception || stderr) {
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console.error('There was a problem loading the npm registry.');
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process.exit(1);
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} else if (path.resolve(basePath, '..') == stdout.trim()) {
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// download Closure Compiler
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getDependency('aa29a2ecf6f51d4da5a2a418c0d4ea0e368ee80d', vendorPath, function(exception) {
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var statusCode = 0;
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if (exception) {
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console.error('There was a problem downloading the Closure Compiler.');
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statusCode = 1;
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}
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// download UglifyJS
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getDependency('827f406a02626c1c6723e8ae281b6785d36375c1', vendorPath, function(exception) {
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if (exception) {
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console.error('There was a problem downloading UglifyJS.');
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statusCode = 1;
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}
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process.exit(statusCode);
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});
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});
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}
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});
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}());
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