1 | /**
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2 | * @fileoverview Build file
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3 | * @author nzakas
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4 | * @copyright jQuery Foundation and other contributors, https://jquery.org/
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5 | * MIT License
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6 | */
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7 |
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8 | ;
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9 |
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10 | //------------------------------------------------------------------------------
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11 | // Requirements
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12 | //------------------------------------------------------------------------------
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13 |
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14 | var path = require("path"),
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15 | childProcess = require("child_process");
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16 |
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17 | //------------------------------------------------------------------------------
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18 | // Private
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19 | //------------------------------------------------------------------------------
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20 |
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21 |
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22 | module.exports = {
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23 |
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24 | /**
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25 | * Returns an environment object that has been modified to work with local
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26 | * nod executables.
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27 | * @param {string} [platform] Platform identifier (same values as process.platform).
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28 | * @param {Object} [defaultEnv] The default environment object (mostly used for testing).
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29 | * @returns {Object} a modified environment object.
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30 | */
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31 | getModifiedEnv: function(platform, defaultEnv) {
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32 |
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33 | platform = platform || process.platform;
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34 | defaultEnv = defaultEnv || process.env;
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35 |
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36 | var env = {},
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37 | pathSeparator = platform === "win32" ? ";" : ":";
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38 |
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39 | Object.keys(defaultEnv).forEach(function(key) {
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40 | env[key] = defaultEnv[key];
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41 | });
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42 |
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43 | // modify PATH to use local node_modules
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44 | env.PATH = path.resolve(__dirname, "../node_modules/.bin") + pathSeparator + env.PATH;
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45 |
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46 | return env;
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47 | },
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48 |
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49 | /**
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50 | * Executes a command and returns the output instead of printing it to stdout.
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51 | * If there's an error, then the process exits and prints out the error info.
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52 | * @param {string} cmd The command string to execute.
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53 | * @returns {string} The result of the executed command.
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54 | * @private
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55 | */
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56 | execSilent: function(cmd) {
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57 | try {
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58 | return childProcess.execSync(cmd, {
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59 | cwd: process.cwd(),
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60 | env: this.getModifiedEnv()
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61 | }).toString();
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62 | } catch (ex) {
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63 | console.error(ex.output[1].toString());
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64 | this.exit(ex.status);
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65 | return null;
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66 | }
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67 | },
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68 |
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69 | /**
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70 | * Executes a command.
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71 | * @param {string} cmd The command to execute.
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72 | * @returns {void}
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73 | * @throws {Error} If the command exits with a nonzero exit code.
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74 | * @private
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75 | */
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76 | exec: function(cmd) {
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77 | var result = this.execSilent(cmd);
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78 | console.log(result);
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79 | },
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80 |
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81 | /**
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82 | * Exits the process with the given code. This is just a wrapper around
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83 | * process.exit to allow for easier stubbing and testing.
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84 | * @param {int} code The exit code.
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85 | * @returns {void}
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86 | */
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87 | exit: function(code) {
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88 | process.exit(code); // eslint-disable-line no-process-exit
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89 | }
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90 | };
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