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4 |
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5 |
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6 | "use strict";
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7 |
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8 | const { ConcatSource, RawSource } = require("webpack-sources");
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9 | const RuntimeGlobals = require("../RuntimeGlobals");
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10 | const Template = require("../Template");
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11 | const {
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12 | getChunkFilenameTemplate,
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13 | getCompilationHooks
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14 | } = require("./JavascriptModulesPlugin");
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15 | const {
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16 | generateEntryStartup,
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17 | updateHashForEntryStartup
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18 | } = require("./StartupHelpers");
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19 |
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20 |
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21 |
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22 | class CommonJsChunkFormatPlugin {
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23 | |
24 |
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25 |
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26 |
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27 |
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28 | apply(compiler) {
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29 | compiler.hooks.thisCompilation.tap(
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30 | "CommonJsChunkFormatPlugin",
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31 | compilation => {
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32 | compilation.hooks.additionalChunkRuntimeRequirements.tap(
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33 | "CommonJsChunkLoadingPlugin",
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34 | (chunk, set, { chunkGraph }) => {
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35 | if (chunk.hasRuntime()) return;
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36 | if (chunkGraph.getNumberOfEntryModules(chunk) > 0) {
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37 | set.add(RuntimeGlobals.require);
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38 | set.add(RuntimeGlobals.startupEntrypoint);
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39 | set.add(RuntimeGlobals.externalInstallChunk);
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40 | }
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41 | }
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42 | );
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43 | const hooks = getCompilationHooks(compilation);
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44 | hooks.renderChunk.tap(
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45 | "CommonJsChunkFormatPlugin",
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46 | (modules, renderContext) => {
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47 | const { chunk, chunkGraph, runtimeTemplate } = renderContext;
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48 | const source = new ConcatSource();
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49 | source.add(`exports.id = ${JSON.stringify(chunk.id)};\n`);
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50 | source.add(`exports.ids = ${JSON.stringify(chunk.ids)};\n`);
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51 | source.add(`exports.modules = `);
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52 | source.add(modules);
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53 | source.add(";\n");
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54 | const runtimeModules =
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55 | chunkGraph.getChunkRuntimeModulesInOrder(chunk);
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56 | if (runtimeModules.length > 0) {
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57 | source.add("exports.runtime =\n");
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58 | source.add(
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59 | Template.renderChunkRuntimeModules(
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60 | runtimeModules,
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61 | renderContext
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62 | )
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63 | );
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64 | }
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65 | const entries = Array.from(
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66 | chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
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67 | );
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68 | if (entries.length > 0) {
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69 | const runtimeChunk = entries[0][1].getRuntimeChunk();
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70 | const currentOutputName = compilation
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71 | .getPath(
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72 | getChunkFilenameTemplate(chunk, compilation.outputOptions),
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73 | {
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74 | chunk,
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75 | contentHashType: "javascript"
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76 | }
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77 | )
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78 | .split("/");
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79 | const runtimeOutputName = compilation
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80 | .getPath(
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81 | getChunkFilenameTemplate(
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82 | runtimeChunk,
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83 | compilation.outputOptions
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84 | ),
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85 | {
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86 | chunk: runtimeChunk,
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87 | contentHashType: "javascript"
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88 | }
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89 | )
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90 | .split("/");
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91 |
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92 |
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93 | currentOutputName.pop();
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94 |
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95 |
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96 | while (
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97 | currentOutputName.length > 0 &&
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98 | runtimeOutputName.length > 0 &&
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99 | currentOutputName[0] === runtimeOutputName[0]
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100 | ) {
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101 | currentOutputName.shift();
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102 | runtimeOutputName.shift();
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103 | }
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104 |
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105 |
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106 | const runtimePath =
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107 | (currentOutputName.length > 0
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108 | ? "../".repeat(currentOutputName.length)
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109 | : "./") + runtimeOutputName.join("/");
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110 |
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111 | const entrySource = new ConcatSource();
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112 | entrySource.add(
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113 | `(${
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114 | runtimeTemplate.supportsArrowFunction()
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115 | ? "() => "
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116 | : "function() "
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117 | }{\n`
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118 | );
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119 | entrySource.add("var exports = {};\n");
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120 | entrySource.add(source);
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121 | entrySource.add(";\n\n// load runtime\n");
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122 | entrySource.add(
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123 | `var __webpack_require__ = require(${JSON.stringify(
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124 | runtimePath
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125 | )});\n`
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126 | );
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127 | entrySource.add(
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128 | `${RuntimeGlobals.externalInstallChunk}(exports);\n`
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129 | );
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130 | const startupSource = new RawSource(
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131 | generateEntryStartup(
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132 | chunkGraph,
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133 | runtimeTemplate,
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134 | entries,
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135 | chunk,
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136 | false
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137 | )
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138 | );
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139 | entrySource.add(
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140 | hooks.renderStartup.call(
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141 | startupSource,
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142 | entries[entries.length - 1][0],
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143 | {
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144 | ...renderContext,
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145 | inlined: false
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146 | }
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147 | )
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148 | );
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149 | entrySource.add("\n})()");
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150 | return entrySource;
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151 | }
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152 | return source;
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153 | }
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154 | );
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155 | hooks.chunkHash.tap(
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156 | "CommonJsChunkFormatPlugin",
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157 | (chunk, hash, { chunkGraph }) => {
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158 | if (chunk.hasRuntime()) return;
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159 | hash.update("CommonJsChunkFormatPlugin");
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160 | hash.update("1");
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161 | const entries = Array.from(
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162 | chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
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163 | );
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164 | updateHashForEntryStartup(hash, chunkGraph, entries, chunk);
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165 | }
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166 | );
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167 | }
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168 | );
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169 | }
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170 | }
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171 |
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172 | module.exports = CommonJsChunkFormatPlugin;
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