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5 |
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6 | "use strict";
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7 |
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8 | const RuntimeGlobals = require("./RuntimeGlobals");
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9 | const WebpackError = require("./WebpackError");
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10 | const ConstDependency = require("./dependencies/ConstDependency");
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11 | const BasicEvaluatedExpression = require("./javascript/BasicEvaluatedExpression");
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12 | const {
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13 | toConstantDependency,
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14 | evaluateToString
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15 | } = require("./javascript/JavascriptParserHelpers");
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16 | const ChunkNameRuntimeModule = require("./runtime/ChunkNameRuntimeModule");
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17 | const GetFullHashRuntimeModule = require("./runtime/GetFullHashRuntimeModule");
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18 |
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19 |
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20 |
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21 |
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22 |
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23 | const REPLACEMENTS = {
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24 | __webpack_require__: {
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25 | expr: RuntimeGlobals.require,
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26 | req: [RuntimeGlobals.require],
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27 | type: "function",
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28 | assign: false
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29 | },
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30 | __webpack_public_path__: {
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31 | expr: RuntimeGlobals.publicPath,
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32 | req: [RuntimeGlobals.publicPath],
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33 | type: "string",
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34 | assign: true
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35 | },
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36 | __webpack_base_uri__: {
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37 | expr: RuntimeGlobals.baseURI,
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38 | req: [RuntimeGlobals.baseURI],
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39 | type: "string",
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40 | assign: true
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41 | },
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42 | __webpack_modules__: {
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43 | expr: RuntimeGlobals.moduleFactories,
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44 | req: [RuntimeGlobals.moduleFactories],
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45 | type: "object",
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46 | assign: false
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47 | },
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48 | __webpack_chunk_load__: {
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49 | expr: RuntimeGlobals.ensureChunk,
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50 | req: [RuntimeGlobals.ensureChunk],
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51 | type: "function",
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52 | assign: true
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53 | },
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54 | __non_webpack_require__: {
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55 | expr: "require",
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56 | req: null,
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57 | type: undefined,
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58 | assign: true
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59 | },
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60 | __webpack_nonce__: {
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61 | expr: RuntimeGlobals.scriptNonce,
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62 | req: [RuntimeGlobals.scriptNonce],
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63 | type: "string",
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64 | assign: true
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65 | },
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66 | __webpack_hash__: {
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67 | expr: `${RuntimeGlobals.getFullHash}()`,
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68 | req: [RuntimeGlobals.getFullHash],
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69 | type: "string",
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70 | assign: false
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71 | },
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72 | __webpack_chunkname__: {
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73 | expr: RuntimeGlobals.chunkName,
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74 | req: [RuntimeGlobals.chunkName],
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75 | type: "string",
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76 | assign: false
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77 | },
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78 | __webpack_get_script_filename__: {
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79 | expr: RuntimeGlobals.getChunkScriptFilename,
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80 | req: [RuntimeGlobals.getChunkScriptFilename],
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81 | type: "function",
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82 | assign: true
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83 | },
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84 | __webpack_runtime_id__: {
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85 | expr: RuntimeGlobals.runtimeId,
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86 | req: [RuntimeGlobals.runtimeId],
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87 | assign: false
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88 | },
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89 | "require.onError": {
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90 | expr: RuntimeGlobals.uncaughtErrorHandler,
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91 | req: [RuntimeGlobals.uncaughtErrorHandler],
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92 | type: undefined,
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93 | assign: true
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94 | },
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95 | __system_context__: {
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96 | expr: RuntimeGlobals.systemContext,
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97 | req: [RuntimeGlobals.systemContext],
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98 | type: "object",
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99 | assign: false
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100 | },
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101 | __webpack_share_scopes__: {
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102 | expr: RuntimeGlobals.shareScopeMap,
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103 | req: [RuntimeGlobals.shareScopeMap],
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104 | type: "object",
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105 | assign: false
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106 | },
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107 | __webpack_init_sharing__: {
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108 | expr: RuntimeGlobals.initializeSharing,
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109 | req: [RuntimeGlobals.initializeSharing],
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110 | type: "function",
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111 | assign: true
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112 | }
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113 | };
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114 |
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115 |
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116 | class APIPlugin {
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117 | |
118 |
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119 |
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120 |
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121 |
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122 | apply(compiler) {
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123 | compiler.hooks.compilation.tap(
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124 | "APIPlugin",
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125 | (compilation, { normalModuleFactory }) => {
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126 | compilation.dependencyTemplates.set(
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127 | ConstDependency,
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128 | new ConstDependency.Template()
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129 | );
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130 |
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131 | compilation.hooks.runtimeRequirementInTree
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132 | .for(RuntimeGlobals.chunkName)
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133 | .tap("APIPlugin", chunk => {
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134 | compilation.addRuntimeModule(
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135 | chunk,
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136 | new ChunkNameRuntimeModule(chunk.name)
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137 | );
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138 | return true;
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139 | });
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140 |
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141 | compilation.hooks.runtimeRequirementInTree
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142 | .for(RuntimeGlobals.getFullHash)
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143 | .tap("APIPlugin", (chunk, set) => {
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144 | compilation.addRuntimeModule(chunk, new GetFullHashRuntimeModule());
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145 | return true;
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146 | });
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147 |
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148 | |
149 |
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150 |
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151 | const handler = parser => {
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152 | Object.keys(REPLACEMENTS).forEach(key => {
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153 | const info = REPLACEMENTS[key];
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154 | parser.hooks.expression
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155 | .for(key)
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156 | .tap(
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157 | "APIPlugin",
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158 | toConstantDependency(parser, info.expr, info.req)
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159 | );
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160 | if (info.assign === false) {
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161 | parser.hooks.assign.for(key).tap("APIPlugin", expr => {
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162 | const err = new WebpackError(`${key} must not be assigned`);
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163 | err.loc = expr.loc;
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164 | throw err;
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165 | });
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166 | }
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167 | if (info.type) {
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168 | parser.hooks.evaluateTypeof
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169 | .for(key)
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170 | .tap("APIPlugin", evaluateToString(info.type));
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171 | }
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172 | });
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173 |
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174 | parser.hooks.expression
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175 | .for("__webpack_layer__")
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176 | .tap("APIPlugin", expr => {
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177 | const dep = new ConstDependency(
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178 | JSON.stringify(parser.state.module.layer),
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179 | expr.range
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180 | );
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181 | dep.loc = expr.loc;
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182 | parser.state.module.addPresentationalDependency(dep);
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183 | return true;
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184 | });
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185 | parser.hooks.evaluateIdentifier
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186 | .for("__webpack_layer__")
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187 | .tap("APIPlugin", expr =>
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188 | (parser.state.module.layer === null
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189 | ? new BasicEvaluatedExpression().setNull()
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190 | : new BasicEvaluatedExpression().setString(
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191 | parser.state.module.layer
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192 | )
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193 | ).setRange(expr.range)
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194 | );
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195 | parser.hooks.evaluateTypeof
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196 | .for("__webpack_layer__")
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197 | .tap("APIPlugin", expr =>
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198 | new BasicEvaluatedExpression()
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199 | .setString(
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200 | parser.state.module.layer === null ? "object" : "string"
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201 | )
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202 | .setRange(expr.range)
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203 | );
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204 | };
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205 |
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206 | normalModuleFactory.hooks.parser
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207 | .for("javascript/auto")
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208 | .tap("APIPlugin", handler);
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209 | normalModuleFactory.hooks.parser
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210 | .for("javascript/dynamic")
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211 | .tap("APIPlugin", handler);
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212 | normalModuleFactory.hooks.parser
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213 | .for("javascript/esm")
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214 | .tap("APIPlugin", handler);
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215 | }
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216 | );
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217 | }
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218 | }
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219 |
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220 | module.exports = APIPlugin;
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