| 1 | 1 | 'use strict'; |
| 2 | | |
| 3 | 1 | var atob = require('atob'); |
| 4 | | |
| 5 | 1 | var babel = require('babel-core'); |
| 6 | 1 | var browserify = require('browserify'); |
| 7 | | |
| 8 | 1 | var babelify = require('babelify'); |
| 9 | 1 | var es2015 = require('babel-preset-es2015'); |
| 10 | 1 | var react = require('babel-preset-react'); |
| 11 | | |
| 12 | 1 | var sourceMapPattern = /\/\/# sourceMappingURL=data:application\/json;charset=utf-8;base64,(.*)/; |
| 13 | 1 | var sourceMapPatternMatchIndex = 1; |
| 14 | | |
| 15 | 1 | var OPTION_DEFAULTS = { |
| 16 | | 'bundle': false, |
| 17 | | 'output': null, |
| 18 | | 'sourcemap': false |
| 19 | | }; |
| 20 | | |
| 21 | | /** |
| 22 | | * Transforms a file with babel. |
| 23 | | * |
| 24 | | * @example spire.transformFileWithBabel(file).then(function (result) { console.log(result); }); |
| 25 | | * @param {String} file File path. |
| 26 | | * @param {Object} [options] Options object. |
| 27 | | * @param {Boolean} [options.sourcemap] Generate sourcemap. |
| 28 | | * @return {Object} Promise |
| 29 | | * @public |
| 30 | | */ |
| 31 | | |
| 32 | 1 | var transformFileWithBabel = function transformFileWithBabel(file, options) { |
| 33 | 13 | return new Promise(function (resolve, reject) { |
| 34 | | |
| 35 | 13 | var settings = Object.assign({}, OPTION_DEFAULTS, options); |
| 36 | | |
| 37 | 13 | var sourceMaps = true; |
| 38 | | |
| 39 | 13 | if (settings.sourcemap && !settings.output) { |
| 40 | | |
| 41 | 1 | sourceMaps = 'inline'; |
| 42 | | } |
| 43 | | |
| 44 | 13 | babel.transformFile(file, { |
| 45 | | 'presets': [es2015, react], |
| 46 | | sourceMaps: sourceMaps |
| 47 | | }, function (err, result) { |
| 48 | | |
| 49 | 13 | if (err) { |
| 50 | | |
| 51 | 1 | return reject(new Error(err)); |
| 52 | | } |
| 53 | | |
| 54 | 12 | var code = result.code.trim() + '\n'; |
| 55 | 12 | var map = null; |
| 56 | | |
| 57 | 12 | if (settings.sourcemap) { |
| 58 | | |
| 59 | 3 | map = JSON.stringify(result.map) + '\n'; |
| 60 | | |
| 61 | 3 | if (settings.output) { |
| 62 | | |
| 63 | 2 | code = code + '//# sourceMappingURL=' + settings.output + '.map\n'; |
| 64 | | } |
| 65 | | } |
| 66 | | |
| 67 | 12 | return resolve({ |
| 68 | | code: code, |
| 69 | | map: map |
| 70 | | }); |
| 71 | | }); |
| 72 | | }); |
| 73 | | }; |
| 74 | | |
| 75 | | /** |
| 76 | | * Transforms a file with browserify. |
| 77 | | * |
| 78 | | * @example spire.transformFileWithBrowserify(file).then(function (result) { console.log(result); }); |
| 79 | | * @param {String} file File path. |
| 80 | | * @param {Object} [options] Options object. |
| 81 | | * @param {Boolean} [options.sourcemap] Generate sourcemap. |
| 82 | | * @return {Object} Promise |
| 83 | | * @public |
| 84 | | */ |
| 85 | | |
| 86 | 1 | var transformFileWithBrowserify = function transformFileWithBrowserify(file, options) { |
| 87 | 5 | return new Promise(function (resolve, reject) { |
| 88 | | |
| 89 | 5 | var settings = Object.assign({}, OPTION_DEFAULTS, options); |
| 90 | | |
| 91 | 5 | var debug = false; |
| 92 | | |
| 93 | 5 | if (settings.sourcemap) { |
| 94 | | |
| 95 | 3 | debug = true; |
| 96 | | } |
| 97 | | |
| 98 | | browserify(file, { debug: debug }).transform(babelify, { |
| 99 | | 'presets': [es2015, react] |
| 100 | 5 | }).bundle(function (err, buffer) { |
| 101 | | |
| 102 | 5 | if (err) { |
| 103 | | |
| 104 | 1 | return reject(new Error(err)); |
| 105 | | } |
| 106 | | |
| 107 | 4 | var code = buffer.toString().trim() + '\n'; |
| 108 | 4 | var map = null; |
| 109 | | |
| 110 | 4 | if (settings.sourcemap) { |
| 111 | | |
| 112 | 3 | map = atob(sourceMapPattern.exec(code)[sourceMapPatternMatchIndex]); |
| 113 | | |
| 114 | 3 | if (settings.output) { |
| 115 | | |
| 116 | 2 | code = code.replace(sourceMapPattern, '//# sourceMappingURL=' + settings.output + '.map\n'); |
| 117 | | } |
| 118 | | } |
| 119 | | |
| 120 | 4 | return resolve({ |
| 121 | | code: code, |
| 122 | | map: map |
| 123 | | }); |
| 124 | | }); |
| 125 | | }); |
| 126 | | }; |
| 127 | | |
| 128 | | /** |
| 129 | | * Transforms a file. |
| 130 | | * |
| 131 | | * @example spire.transformFile(file, options).then(function (result) { console.log(result); }); |
| 132 | | * @param {String} file File path. |
| 133 | | * @param {Object} [options] Options object. |
| 134 | | * @param {Boolean} [options.bundle] Use browserify bundler. |
| 135 | | * @param {Boolean} [options.sourcemap] Generate sourcemap. |
| 136 | | * @return {Object} Promise |
| 137 | | * @public |
| 138 | | */ |
| 139 | | |
| 140 | 1 | var transformFile = function transformFile(file, options) { |
| 141 | | |
| 142 | 18 | var settings = Object.assign({}, OPTION_DEFAULTS, options); |
| 143 | | |
| 144 | 18 | if (settings.bundle) { |
| 145 | | |
| 146 | 5 | return transformFileWithBrowserify(file, options); |
| 147 | | } |
| 148 | | |
| 149 | 13 | return transformFileWithBabel(file, options); |
| 150 | | }; |
| 151 | | |
| 152 | 1 | module.exports = { |
| 153 | | transformFileWithBabel: transformFileWithBabel, |
| 154 | | transformFileWithBrowserify: transformFileWithBrowserify, |
| 155 | | transformFile: transformFile |
| 156 | | }; |