1 | /*
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2 | MIT License http://www.opensource.org/licenses/mit-license.php
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3 | Author Tobias Koppers @sokra
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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 eslintScope = require("eslint-scope");
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9 | const Referencer = require("eslint-scope/lib/referencer");
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10 | const {
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11 | CachedSource,
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12 | ConcatSource,
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13 | ReplaceSource
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14 | } = require("webpack-sources");
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15 | const ConcatenationScope = require("../ConcatenationScope");
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16 | const { UsageState } = require("../ExportsInfo");
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17 | const Module = require("../Module");
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18 | const RuntimeGlobals = require("../RuntimeGlobals");
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19 | const Template = require("../Template");
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20 | const HarmonyImportDependency = require("../dependencies/HarmonyImportDependency");
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21 | const JavascriptParser = require("../javascript/JavascriptParser");
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22 | const { equals } = require("../util/ArrayHelpers");
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23 | const LazySet = require("../util/LazySet");
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24 | const { concatComparators, keepOriginalOrder } = require("../util/comparators");
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25 | const createHash = require("../util/createHash");
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26 | const contextify = require("../util/identifier").contextify;
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27 | const makeSerializable = require("../util/makeSerializable");
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28 | const propertyAccess = require("../util/propertyAccess");
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29 | const {
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30 | filterRuntime,
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31 | intersectRuntime,
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32 | mergeRuntimeCondition,
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33 | mergeRuntimeConditionNonFalse,
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34 | runtimeConditionToString,
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35 | subtractRuntimeCondition
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36 | } = require("../util/runtime");
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37 |
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38 | /** @typedef {import("eslint-scope").Scope} Scope */
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39 | /** @typedef {import("webpack-sources").Source} Source */
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40 | /** @typedef {import("../../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
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41 | /** @typedef {import("../ChunkGraph")} ChunkGraph */
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42 | /** @typedef {import("../Compilation")} Compilation */
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43 | /** @typedef {import("../Dependency")} Dependency */
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44 | /** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
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45 | /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
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46 | /** @typedef {import("../DependencyTemplates")} DependencyTemplates */
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47 | /** @typedef {import("../ExportsInfo").ExportInfo} ExportInfo */
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48 | /** @template T @typedef {import("../InitFragment")<T>} InitFragment */
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49 | /** @typedef {import("../Module").CodeGenerationContext} CodeGenerationContext */
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50 | /** @typedef {import("../Module").CodeGenerationResult} CodeGenerationResult */
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51 | /** @typedef {import("../Module").LibIdentOptions} LibIdentOptions */
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52 | /** @typedef {import("../ModuleGraph")} ModuleGraph */
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53 | /** @typedef {import("../ModuleGraphConnection")} ModuleGraphConnection */
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54 | /** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
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55 | /** @typedef {import("../RequestShortener")} RequestShortener */
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56 | /** @typedef {import("../ResolverFactory").ResolverWithOptions} ResolverWithOptions */
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57 | /** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
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58 | /** @typedef {import("../WebpackError")} WebpackError */
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59 | /** @typedef {import("../javascript/JavascriptModulesPlugin").ChunkRenderContext} ChunkRenderContext */
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60 | /** @typedef {import("../util/Hash")} Hash */
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61 | /** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */
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62 | /** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
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63 |
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64 | // fix eslint-scope to support class properties correctly
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65 | // cspell:word Referencer
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66 | const ReferencerClass = Referencer;
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67 | if (!ReferencerClass.prototype.PropertyDefinition) {
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68 | ReferencerClass.prototype.PropertyDefinition =
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69 | ReferencerClass.prototype.Property;
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70 | }
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71 |
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72 | /**
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73 | * @typedef {Object} ReexportInfo
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74 | * @property {Module} module
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75 | * @property {string[]} export
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76 | */
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77 |
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78 | /** @typedef {RawBinding | SymbolBinding} Binding */
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79 |
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80 | /**
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81 | * @typedef {Object} RawBinding
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82 | * @property {ModuleInfo} info
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83 | * @property {string} rawName
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84 | * @property {string=} comment
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85 | * @property {string[]} ids
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86 | * @property {string[]} exportName
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87 | */
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88 |
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89 | /**
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90 | * @typedef {Object} SymbolBinding
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91 | * @property {ConcatenatedModuleInfo} info
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92 | * @property {string} name
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93 | * @property {string=} comment
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94 | * @property {string[]} ids
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95 | * @property {string[]} exportName
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96 | */
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97 |
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98 | /** @typedef {ConcatenatedModuleInfo | ExternalModuleInfo } ModuleInfo */
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99 | /** @typedef {ConcatenatedModuleInfo | ExternalModuleInfo | ReferenceToModuleInfo } ModuleInfoOrReference */
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100 |
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101 | /**
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102 | * @typedef {Object} ConcatenatedModuleInfo
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103 | * @property {"concatenated"} type
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104 | * @property {Module} module
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105 | * @property {number} index
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106 | * @property {Object} ast
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107 | * @property {Source} internalSource
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108 | * @property {ReplaceSource} source
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109 | * @property {InitFragment<ChunkRenderContext>[]=} chunkInitFragments
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110 | * @property {Iterable<string>} runtimeRequirements
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111 | * @property {Scope} globalScope
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112 | * @property {Scope} moduleScope
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113 | * @property {Map<string, string>} internalNames
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114 | * @property {Map<string, string>} exportMap
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115 | * @property {Map<string, string>} rawExportMap
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116 | * @property {string=} namespaceExportSymbol
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117 | * @property {string} namespaceObjectName
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118 | * @property {boolean} interopNamespaceObjectUsed
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119 | * @property {string} interopNamespaceObjectName
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120 | * @property {boolean} interopNamespaceObject2Used
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121 | * @property {string} interopNamespaceObject2Name
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122 | * @property {boolean} interopDefaultAccessUsed
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123 | * @property {string} interopDefaultAccessName
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124 | */
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125 |
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126 | /**
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127 | * @typedef {Object} ExternalModuleInfo
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128 | * @property {"external"} type
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129 | * @property {Module} module
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130 | * @property {RuntimeSpec | boolean} runtimeCondition
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131 | * @property {number} index
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132 | * @property {string} name
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133 | * @property {boolean} interopNamespaceObjectUsed
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134 | * @property {string} interopNamespaceObjectName
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135 | * @property {boolean} interopNamespaceObject2Used
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136 | * @property {string} interopNamespaceObject2Name
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137 | * @property {boolean} interopDefaultAccessUsed
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138 | * @property {string} interopDefaultAccessName
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139 | */
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140 |
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141 | /**
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142 | * @typedef {Object} ReferenceToModuleInfo
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143 | * @property {"reference"} type
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144 | * @property {RuntimeSpec | boolean} runtimeCondition
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145 | * @property {ConcatenatedModuleInfo | ExternalModuleInfo} target
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146 | */
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147 |
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148 | const RESERVED_NAMES = new Set(
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149 | [
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150 | // internal names (should always be renamed)
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151 | ConcatenationScope.DEFAULT_EXPORT,
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152 | ConcatenationScope.NAMESPACE_OBJECT_EXPORT,
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153 |
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154 | // keywords
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155 | "abstract,arguments,async,await,boolean,break,byte,case,catch,char,class,const,continue",
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156 | "debugger,default,delete,do,double,else,enum,eval,export,extends,false,final,finally,float",
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157 | "for,function,goto,if,implements,import,in,instanceof,int,interface,let,long,native,new,null",
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158 | "package,private,protected,public,return,short,static,super,switch,synchronized,this,throw",
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159 | "throws,transient,true,try,typeof,var,void,volatile,while,with,yield",
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160 |
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161 | // commonjs/amd
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162 | "module,__dirname,__filename,exports,require,define",
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163 |
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164 | // js globals
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165 | "Array,Date,eval,function,hasOwnProperty,Infinity,isFinite,isNaN,isPrototypeOf,length,Math",
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166 | "NaN,name,Number,Object,prototype,String,toString,undefined,valueOf",
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167 |
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168 | // browser globals
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169 | "alert,all,anchor,anchors,area,assign,blur,button,checkbox,clearInterval,clearTimeout",
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170 | "clientInformation,close,closed,confirm,constructor,crypto,decodeURI,decodeURIComponent",
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171 | "defaultStatus,document,element,elements,embed,embeds,encodeURI,encodeURIComponent,escape",
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172 | "event,fileUpload,focus,form,forms,frame,innerHeight,innerWidth,layer,layers,link,location",
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173 | "mimeTypes,navigate,navigator,frames,frameRate,hidden,history,image,images,offscreenBuffering",
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174 | "open,opener,option,outerHeight,outerWidth,packages,pageXOffset,pageYOffset,parent,parseFloat",
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175 | "parseInt,password,pkcs11,plugin,prompt,propertyIsEnum,radio,reset,screenX,screenY,scroll",
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176 | "secure,select,self,setInterval,setTimeout,status,submit,taint,text,textarea,top,unescape",
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177 | "untaint,window",
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178 |
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179 | // window events
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180 | "onblur,onclick,onerror,onfocus,onkeydown,onkeypress,onkeyup,onmouseover,onload,onmouseup,onmousedown,onsubmit"
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181 | ]
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182 | .join(",")
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183 | .split(",")
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184 | );
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185 |
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186 | const bySourceOrder = (a, b) => {
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187 | const aOrder = a.sourceOrder;
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188 | const bOrder = b.sourceOrder;
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189 | if (isNaN(aOrder)) {
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190 | if (!isNaN(bOrder)) {
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191 | return 1;
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192 | }
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193 | } else {
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194 | if (isNaN(bOrder)) {
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195 | return -1;
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196 | }
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197 | if (aOrder !== bOrder) {
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198 | return aOrder < bOrder ? -1 : 1;
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199 | }
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200 | }
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201 | return 0;
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202 | };
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203 |
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204 | const joinIterableWithComma = iterable => {
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205 | // This is more performant than Array.from().join(", ")
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206 | // as it doesn't create an array
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207 | let str = "";
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208 | let first = true;
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209 | for (const item of iterable) {
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210 | if (first) {
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211 | first = false;
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212 | } else {
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213 | str += ", ";
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214 | }
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215 | str += item;
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216 | }
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217 | return str;
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218 | };
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219 |
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220 | /**
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221 | * @typedef {Object} ConcatenationEntry
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222 | * @property {"concatenated" | "external"} type
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223 | * @property {Module} module
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224 | * @property {RuntimeSpec | boolean} runtimeCondition
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225 | */
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226 |
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227 | /**
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228 | * @param {ModuleGraph} moduleGraph the module graph
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229 | * @param {ModuleInfo} info module info
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230 | * @param {string[]} exportName exportName
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231 | * @param {Map<Module, ModuleInfo>} moduleToInfoMap moduleToInfoMap
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232 | * @param {RuntimeSpec} runtime for which runtime
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233 | * @param {RequestShortener} requestShortener the request shortener
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234 | * @param {RuntimeTemplate} runtimeTemplate the runtime template
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235 | * @param {Set<ConcatenatedModuleInfo>} neededNamespaceObjects modules for which a namespace object should be generated
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236 | * @param {boolean} asCall asCall
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237 | * @param {boolean} strictHarmonyModule strictHarmonyModule
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238 | * @param {boolean | undefined} asiSafe asiSafe
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239 | * @param {Set<ExportInfo>} alreadyVisited alreadyVisited
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240 | * @returns {Binding} the final variable
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241 | */
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242 | const getFinalBinding = (
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243 | moduleGraph,
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244 | info,
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245 | exportName,
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246 | moduleToInfoMap,
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247 | runtime,
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248 | requestShortener,
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249 | runtimeTemplate,
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250 | neededNamespaceObjects,
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251 | asCall,
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252 | strictHarmonyModule,
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253 | asiSafe,
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254 | alreadyVisited = new Set()
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255 | ) => {
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256 | const exportsType = info.module.getExportsType(
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257 | moduleGraph,
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258 | strictHarmonyModule
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259 | );
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260 | if (exportName.length === 0) {
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261 | switch (exportsType) {
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262 | case "default-only":
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263 | info.interopNamespaceObject2Used = true;
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264 | return {
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265 | info,
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266 | rawName: info.interopNamespaceObject2Name,
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267 | ids: exportName,
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268 | exportName
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269 | };
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270 | case "default-with-named":
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271 | info.interopNamespaceObjectUsed = true;
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272 | return {
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273 | info,
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274 | rawName: info.interopNamespaceObjectName,
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275 | ids: exportName,
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276 | exportName
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277 | };
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278 | case "namespace":
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279 | case "dynamic":
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280 | break;
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281 | default:
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282 | throw new Error(`Unexpected exportsType ${exportsType}`);
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283 | }
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284 | } else {
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285 | switch (exportsType) {
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286 | case "namespace":
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287 | break;
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288 | case "default-with-named":
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289 | switch (exportName[0]) {
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290 | case "default":
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291 | exportName = exportName.slice(1);
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292 | break;
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293 | case "__esModule":
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294 | return {
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295 | info,
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296 | rawName: "/* __esModule */true",
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297 | ids: exportName.slice(1),
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298 | exportName
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299 | };
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300 | }
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301 | break;
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302 | case "default-only": {
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303 | const exportId = exportName[0];
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304 | if (exportId === "__esModule") {
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305 | return {
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306 | info,
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307 | rawName: "/* __esModule */true",
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308 | ids: exportName.slice(1),
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309 | exportName
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310 | };
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311 | }
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312 | exportName = exportName.slice(1);
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313 | if (exportId !== "default") {
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314 | return {
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315 | info,
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316 | rawName:
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317 | "/* non-default import from default-exporting module */undefined",
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318 | ids: exportName,
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319 | exportName
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320 | };
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321 | }
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322 | break;
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323 | }
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324 | case "dynamic":
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325 | switch (exportName[0]) {
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326 | case "default": {
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327 | exportName = exportName.slice(1);
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328 | info.interopDefaultAccessUsed = true;
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329 | const defaultExport = asCall
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330 | ? `${info.interopDefaultAccessName}()`
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331 | : asiSafe
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332 | ? `(${info.interopDefaultAccessName}())`
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333 | : asiSafe === false
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334 | ? `;(${info.interopDefaultAccessName}())`
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335 | : `${info.interopDefaultAccessName}.a`;
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336 | return {
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337 | info,
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338 | rawName: defaultExport,
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339 | ids: exportName,
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340 | exportName
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341 | };
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342 | }
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343 | case "__esModule":
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344 | return {
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345 | info,
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346 | rawName: "/* __esModule */true",
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347 | ids: exportName.slice(1),
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348 | exportName
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349 | };
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350 | }
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351 | break;
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352 | default:
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353 | throw new Error(`Unexpected exportsType ${exportsType}`);
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354 | }
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355 | }
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356 | if (exportName.length === 0) {
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357 | switch (info.type) {
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358 | case "concatenated":
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359 | neededNamespaceObjects.add(info);
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360 | return {
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361 | info,
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362 | rawName: info.namespaceObjectName,
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363 | ids: exportName,
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364 | exportName
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365 | };
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366 | case "external":
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367 | return { info, rawName: info.name, ids: exportName, exportName };
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368 | }
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369 | }
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370 | const exportsInfo = moduleGraph.getExportsInfo(info.module);
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371 | const exportInfo = exportsInfo.getExportInfo(exportName[0]);
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372 | if (alreadyVisited.has(exportInfo)) {
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373 | return {
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374 | info,
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375 | rawName: "/* circular reexport */ Object(function x() { x() }())",
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376 | ids: [],
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377 | exportName
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378 | };
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379 | }
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380 | alreadyVisited.add(exportInfo);
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381 | switch (info.type) {
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382 | case "concatenated": {
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383 | const exportId = exportName[0];
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384 | if (exportInfo.provided === false) {
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385 | // It's not provided, but it could be on the prototype
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386 | neededNamespaceObjects.add(info);
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387 | return {
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388 | info,
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389 | rawName: info.namespaceObjectName,
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390 | ids: exportName,
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391 | exportName
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392 | };
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393 | }
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394 | const directExport = info.exportMap && info.exportMap.get(exportId);
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395 | if (directExport) {
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396 | const usedName = /** @type {string[]} */ (
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397 | exportsInfo.getUsedName(exportName, runtime)
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398 | );
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399 | if (!usedName) {
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400 | return {
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401 | info,
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402 | rawName: "/* unused export */ undefined",
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403 | ids: exportName.slice(1),
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404 | exportName
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405 | };
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406 | }
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407 | return {
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408 | info,
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409 | name: directExport,
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410 | ids: usedName.slice(1),
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411 | exportName
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412 | };
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413 | }
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414 | const rawExport = info.rawExportMap && info.rawExportMap.get(exportId);
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415 | if (rawExport) {
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416 | return {
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417 | info,
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418 | rawName: rawExport,
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419 | ids: exportName.slice(1),
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420 | exportName
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421 | };
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422 | }
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423 | const reexport = exportInfo.findTarget(moduleGraph, module =>
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424 | moduleToInfoMap.has(module)
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425 | );
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426 | if (reexport === false) {
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427 | throw new Error(
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428 | `Target module of reexport from '${info.module.readableIdentifier(
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429 | requestShortener
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430 | )}' is not part of the concatenation (export '${exportId}')\nModules in the concatenation:\n${Array.from(
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431 | moduleToInfoMap,
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432 | ([m, info]) =>
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433 | ` * ${info.type} ${m.readableIdentifier(requestShortener)}`
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434 | ).join("\n")}`
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435 | );
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436 | }
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437 | if (reexport) {
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438 | const refInfo = moduleToInfoMap.get(reexport.module);
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439 | return getFinalBinding(
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440 | moduleGraph,
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441 | refInfo,
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442 | reexport.export
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443 | ? [...reexport.export, ...exportName.slice(1)]
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444 | : exportName.slice(1),
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445 | moduleToInfoMap,
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446 | runtime,
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447 | requestShortener,
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448 | runtimeTemplate,
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449 | neededNamespaceObjects,
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450 | asCall,
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451 | info.module.buildMeta.strictHarmonyModule,
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452 | asiSafe,
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453 | alreadyVisited
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454 | );
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455 | }
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456 | if (info.namespaceExportSymbol) {
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457 | const usedName = /** @type {string[]} */ (
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458 | exportsInfo.getUsedName(exportName, runtime)
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459 | );
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460 | return {
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461 | info,
|
---|
462 | rawName: info.namespaceObjectName,
|
---|
463 | ids: usedName,
|
---|
464 | exportName
|
---|
465 | };
|
---|
466 | }
|
---|
467 | throw new Error(
|
---|
468 | `Cannot get final name for export '${exportName.join(
|
---|
469 | "."
|
---|
470 | )}' of ${info.module.readableIdentifier(requestShortener)}`
|
---|
471 | );
|
---|
472 | }
|
---|
473 |
|
---|
474 | case "external": {
|
---|
475 | const used = /** @type {string[]} */ (
|
---|
476 | exportsInfo.getUsedName(exportName, runtime)
|
---|
477 | );
|
---|
478 | if (!used) {
|
---|
479 | return {
|
---|
480 | info,
|
---|
481 | rawName: "/* unused export */ undefined",
|
---|
482 | ids: exportName.slice(1),
|
---|
483 | exportName
|
---|
484 | };
|
---|
485 | }
|
---|
486 | const comment = equals(used, exportName)
|
---|
487 | ? ""
|
---|
488 | : Template.toNormalComment(`${exportName.join(".")}`);
|
---|
489 | return { info, rawName: info.name + comment, ids: used, exportName };
|
---|
490 | }
|
---|
491 | }
|
---|
492 | };
|
---|
493 |
|
---|
494 | /**
|
---|
495 | * @param {ModuleGraph} moduleGraph the module graph
|
---|
496 | * @param {ModuleInfo} info module info
|
---|
497 | * @param {string[]} exportName exportName
|
---|
498 | * @param {Map<Module, ModuleInfo>} moduleToInfoMap moduleToInfoMap
|
---|
499 | * @param {RuntimeSpec} runtime for which runtime
|
---|
500 | * @param {RequestShortener} requestShortener the request shortener
|
---|
501 | * @param {RuntimeTemplate} runtimeTemplate the runtime template
|
---|
502 | * @param {Set<ConcatenatedModuleInfo>} neededNamespaceObjects modules for which a namespace object should be generated
|
---|
503 | * @param {boolean} asCall asCall
|
---|
504 | * @param {boolean} callContext callContext
|
---|
505 | * @param {boolean} strictHarmonyModule strictHarmonyModule
|
---|
506 | * @param {boolean | undefined} asiSafe asiSafe
|
---|
507 | * @returns {string} the final name
|
---|
508 | */
|
---|
509 | const getFinalName = (
|
---|
510 | moduleGraph,
|
---|
511 | info,
|
---|
512 | exportName,
|
---|
513 | moduleToInfoMap,
|
---|
514 | runtime,
|
---|
515 | requestShortener,
|
---|
516 | runtimeTemplate,
|
---|
517 | neededNamespaceObjects,
|
---|
518 | asCall,
|
---|
519 | callContext,
|
---|
520 | strictHarmonyModule,
|
---|
521 | asiSafe
|
---|
522 | ) => {
|
---|
523 | const binding = getFinalBinding(
|
---|
524 | moduleGraph,
|
---|
525 | info,
|
---|
526 | exportName,
|
---|
527 | moduleToInfoMap,
|
---|
528 | runtime,
|
---|
529 | requestShortener,
|
---|
530 | runtimeTemplate,
|
---|
531 | neededNamespaceObjects,
|
---|
532 | asCall,
|
---|
533 | strictHarmonyModule,
|
---|
534 | asiSafe
|
---|
535 | );
|
---|
536 | {
|
---|
537 | const { ids, comment } = binding;
|
---|
538 | let reference;
|
---|
539 | let isPropertyAccess;
|
---|
540 | if ("rawName" in binding) {
|
---|
541 | reference = `${binding.rawName}${comment || ""}${propertyAccess(ids)}`;
|
---|
542 | isPropertyAccess = ids.length > 0;
|
---|
543 | } else {
|
---|
544 | const { info, name: exportId } = binding;
|
---|
545 | const name = info.internalNames.get(exportId);
|
---|
546 | if (!name) {
|
---|
547 | throw new Error(
|
---|
548 | `The export "${exportId}" in "${info.module.readableIdentifier(
|
---|
549 | requestShortener
|
---|
550 | )}" has no internal name (existing names: ${
|
---|
551 | Array.from(
|
---|
552 | info.internalNames,
|
---|
553 | ([name, symbol]) => `${name}: ${symbol}`
|
---|
554 | ).join(", ") || "none"
|
---|
555 | })`
|
---|
556 | );
|
---|
557 | }
|
---|
558 | reference = `${name}${comment || ""}${propertyAccess(ids)}`;
|
---|
559 | isPropertyAccess = ids.length > 1;
|
---|
560 | }
|
---|
561 | if (isPropertyAccess && asCall && callContext === false) {
|
---|
562 | return asiSafe
|
---|
563 | ? `(0,${reference})`
|
---|
564 | : asiSafe === false
|
---|
565 | ? `;(0,${reference})`
|
---|
566 | : `Object(${reference})`;
|
---|
567 | }
|
---|
568 | return reference;
|
---|
569 | }
|
---|
570 | };
|
---|
571 |
|
---|
572 | const addScopeSymbols = (s, nameSet, scopeSet1, scopeSet2) => {
|
---|
573 | let scope = s;
|
---|
574 | while (scope) {
|
---|
575 | if (scopeSet1.has(scope)) break;
|
---|
576 | if (scopeSet2.has(scope)) break;
|
---|
577 | scopeSet1.add(scope);
|
---|
578 | for (const variable of scope.variables) {
|
---|
579 | nameSet.add(variable.name);
|
---|
580 | }
|
---|
581 | scope = scope.upper;
|
---|
582 | }
|
---|
583 | };
|
---|
584 |
|
---|
585 | const getAllReferences = variable => {
|
---|
586 | let set = variable.references;
|
---|
587 | // Look for inner scope variables too (like in class Foo { t() { Foo } })
|
---|
588 | const identifiers = new Set(variable.identifiers);
|
---|
589 | for (const scope of variable.scope.childScopes) {
|
---|
590 | for (const innerVar of scope.variables) {
|
---|
591 | if (innerVar.identifiers.some(id => identifiers.has(id))) {
|
---|
592 | set = set.concat(innerVar.references);
|
---|
593 | break;
|
---|
594 | }
|
---|
595 | }
|
---|
596 | }
|
---|
597 | return set;
|
---|
598 | };
|
---|
599 |
|
---|
600 | const getPathInAst = (ast, node) => {
|
---|
601 | if (ast === node) {
|
---|
602 | return [];
|
---|
603 | }
|
---|
604 |
|
---|
605 | const nr = node.range;
|
---|
606 |
|
---|
607 | const enterNode = n => {
|
---|
608 | if (!n) return undefined;
|
---|
609 | const r = n.range;
|
---|
610 | if (r) {
|
---|
611 | if (r[0] <= nr[0] && r[1] >= nr[1]) {
|
---|
612 | const path = getPathInAst(n, node);
|
---|
613 | if (path) {
|
---|
614 | path.push(n);
|
---|
615 | return path;
|
---|
616 | }
|
---|
617 | }
|
---|
618 | }
|
---|
619 | return undefined;
|
---|
620 | };
|
---|
621 |
|
---|
622 | if (Array.isArray(ast)) {
|
---|
623 | for (let i = 0; i < ast.length; i++) {
|
---|
624 | const enterResult = enterNode(ast[i]);
|
---|
625 | if (enterResult !== undefined) return enterResult;
|
---|
626 | }
|
---|
627 | } else if (ast && typeof ast === "object") {
|
---|
628 | const keys = Object.keys(ast);
|
---|
629 | for (let i = 0; i < keys.length; i++) {
|
---|
630 | const value = ast[keys[i]];
|
---|
631 | if (Array.isArray(value)) {
|
---|
632 | const pathResult = getPathInAst(value, node);
|
---|
633 | if (pathResult !== undefined) return pathResult;
|
---|
634 | } else if (value && typeof value === "object") {
|
---|
635 | const enterResult = enterNode(value);
|
---|
636 | if (enterResult !== undefined) return enterResult;
|
---|
637 | }
|
---|
638 | }
|
---|
639 | }
|
---|
640 | };
|
---|
641 |
|
---|
642 | const TYPES = new Set(["javascript"]);
|
---|
643 |
|
---|
644 | class ConcatenatedModule extends Module {
|
---|
645 | /**
|
---|
646 | * @param {Module} rootModule the root module of the concatenation
|
---|
647 | * @param {Set<Module>} modules all modules in the concatenation (including the root module)
|
---|
648 | * @param {RuntimeSpec} runtime the runtime
|
---|
649 | * @param {Object=} associatedObjectForCache object for caching
|
---|
650 | * @returns {ConcatenatedModule} the module
|
---|
651 | */
|
---|
652 | static create(rootModule, modules, runtime, associatedObjectForCache) {
|
---|
653 | const identifier = ConcatenatedModule._createIdentifier(
|
---|
654 | rootModule,
|
---|
655 | modules,
|
---|
656 | associatedObjectForCache
|
---|
657 | );
|
---|
658 | return new ConcatenatedModule({
|
---|
659 | identifier,
|
---|
660 | rootModule,
|
---|
661 | modules,
|
---|
662 | runtime
|
---|
663 | });
|
---|
664 | }
|
---|
665 |
|
---|
666 | /**
|
---|
667 | * @param {Object} options options
|
---|
668 | * @param {string} options.identifier the identifier of the module
|
---|
669 | * @param {Module=} options.rootModule the root module of the concatenation
|
---|
670 | * @param {RuntimeSpec} options.runtime the selected runtime
|
---|
671 | * @param {Set<Module>=} options.modules all concatenated modules
|
---|
672 | */
|
---|
673 | constructor({ identifier, rootModule, modules, runtime }) {
|
---|
674 | super("javascript/esm", null, rootModule && rootModule.layer);
|
---|
675 |
|
---|
676 | // Info from Factory
|
---|
677 | /** @type {string} */
|
---|
678 | this._identifier = identifier;
|
---|
679 | /** @type {Module} */
|
---|
680 | this.rootModule = rootModule;
|
---|
681 | /** @type {Set<Module>} */
|
---|
682 | this._modules = modules;
|
---|
683 | this._runtime = runtime;
|
---|
684 | this.factoryMeta = rootModule && rootModule.factoryMeta;
|
---|
685 | }
|
---|
686 |
|
---|
687 | /**
|
---|
688 | * Assuming this module is in the cache. Update the (cached) module with
|
---|
689 | * the fresh module from the factory. Usually updates internal references
|
---|
690 | * and properties.
|
---|
691 | * @param {Module} module fresh module
|
---|
692 | * @returns {void}
|
---|
693 | */
|
---|
694 | updateCacheModule(module) {
|
---|
695 | throw new Error("Must not be called");
|
---|
696 | }
|
---|
697 |
|
---|
698 | /**
|
---|
699 | * @returns {Set<string>} types available (do not mutate)
|
---|
700 | */
|
---|
701 | getSourceTypes() {
|
---|
702 | return TYPES;
|
---|
703 | }
|
---|
704 |
|
---|
705 | get modules() {
|
---|
706 | return Array.from(this._modules);
|
---|
707 | }
|
---|
708 |
|
---|
709 | /**
|
---|
710 | * @returns {string} a unique identifier of the module
|
---|
711 | */
|
---|
712 | identifier() {
|
---|
713 | return this._identifier;
|
---|
714 | }
|
---|
715 |
|
---|
716 | /**
|
---|
717 | * @param {RequestShortener} requestShortener the request shortener
|
---|
718 | * @returns {string} a user readable identifier of the module
|
---|
719 | */
|
---|
720 | readableIdentifier(requestShortener) {
|
---|
721 | return (
|
---|
722 | this.rootModule.readableIdentifier(requestShortener) +
|
---|
723 | ` + ${this._modules.size - 1} modules`
|
---|
724 | );
|
---|
725 | }
|
---|
726 |
|
---|
727 | /**
|
---|
728 | * @param {LibIdentOptions} options options
|
---|
729 | * @returns {string | null} an identifier for library inclusion
|
---|
730 | */
|
---|
731 | libIdent(options) {
|
---|
732 | return this.rootModule.libIdent(options);
|
---|
733 | }
|
---|
734 |
|
---|
735 | /**
|
---|
736 | * @returns {string | null} absolute path which should be used for condition matching (usually the resource path)
|
---|
737 | */
|
---|
738 | nameForCondition() {
|
---|
739 | return this.rootModule.nameForCondition();
|
---|
740 | }
|
---|
741 |
|
---|
742 | /**
|
---|
743 | * @param {ModuleGraph} moduleGraph the module graph
|
---|
744 | * @returns {ConnectionState} how this module should be connected to referencing modules when consumed for side-effects only
|
---|
745 | */
|
---|
746 | getSideEffectsConnectionState(moduleGraph) {
|
---|
747 | return this.rootModule.getSideEffectsConnectionState(moduleGraph);
|
---|
748 | }
|
---|
749 |
|
---|
750 | /**
|
---|
751 | * @param {WebpackOptions} options webpack options
|
---|
752 | * @param {Compilation} compilation the compilation
|
---|
753 | * @param {ResolverWithOptions} resolver the resolver
|
---|
754 | * @param {InputFileSystem} fs the file system
|
---|
755 | * @param {function(WebpackError=): void} callback callback function
|
---|
756 | * @returns {void}
|
---|
757 | */
|
---|
758 | build(options, compilation, resolver, fs, callback) {
|
---|
759 | const { rootModule } = this;
|
---|
760 | this.buildInfo = {
|
---|
761 | strict: true,
|
---|
762 | cacheable: true,
|
---|
763 | moduleArgument: rootModule.buildInfo.moduleArgument,
|
---|
764 | exportsArgument: rootModule.buildInfo.exportsArgument,
|
---|
765 | fileDependencies: new LazySet(),
|
---|
766 | contextDependencies: new LazySet(),
|
---|
767 | missingDependencies: new LazySet(),
|
---|
768 | topLevelDeclarations: new Set(),
|
---|
769 | assets: undefined
|
---|
770 | };
|
---|
771 | this.buildMeta = rootModule.buildMeta;
|
---|
772 | this.clearDependenciesAndBlocks();
|
---|
773 | this.clearWarningsAndErrors();
|
---|
774 |
|
---|
775 | for (const m of this._modules) {
|
---|
776 | // populate cacheable
|
---|
777 | if (!m.buildInfo.cacheable) {
|
---|
778 | this.buildInfo.cacheable = false;
|
---|
779 | }
|
---|
780 |
|
---|
781 | // populate dependencies
|
---|
782 | for (const d of m.dependencies.filter(
|
---|
783 | dep =>
|
---|
784 | !(dep instanceof HarmonyImportDependency) ||
|
---|
785 | !this._modules.has(compilation.moduleGraph.getModule(dep))
|
---|
786 | )) {
|
---|
787 | this.dependencies.push(d);
|
---|
788 | }
|
---|
789 | // populate blocks
|
---|
790 | for (const d of m.blocks) {
|
---|
791 | this.blocks.push(d);
|
---|
792 | }
|
---|
793 |
|
---|
794 | // populate warnings
|
---|
795 | const warnings = m.getWarnings();
|
---|
796 | if (warnings !== undefined) {
|
---|
797 | for (const warning of warnings) {
|
---|
798 | this.addWarning(warning);
|
---|
799 | }
|
---|
800 | }
|
---|
801 |
|
---|
802 | // populate errors
|
---|
803 | const errors = m.getErrors();
|
---|
804 | if (errors !== undefined) {
|
---|
805 | for (const error of errors) {
|
---|
806 | this.addError(error);
|
---|
807 | }
|
---|
808 | }
|
---|
809 |
|
---|
810 | // populate topLevelDeclarations
|
---|
811 | if (m.buildInfo.topLevelDeclarations) {
|
---|
812 | const topLevelDeclarations = this.buildInfo.topLevelDeclarations;
|
---|
813 | if (topLevelDeclarations !== undefined) {
|
---|
814 | for (const decl of m.buildInfo.topLevelDeclarations) {
|
---|
815 | // reserved names will always be renamed
|
---|
816 | if (RESERVED_NAMES.has(decl)) continue;
|
---|
817 | // TODO actually this is incorrect since with renaming there could be more
|
---|
818 | // We should do the renaming during build
|
---|
819 | topLevelDeclarations.add(decl);
|
---|
820 | }
|
---|
821 | }
|
---|
822 | } else {
|
---|
823 | this.buildInfo.topLevelDeclarations = undefined;
|
---|
824 | }
|
---|
825 |
|
---|
826 | // populate assets
|
---|
827 | if (m.buildInfo.assets) {
|
---|
828 | if (this.buildInfo.assets === undefined) {
|
---|
829 | this.buildInfo.assets = Object.create(null);
|
---|
830 | }
|
---|
831 | Object.assign(this.buildInfo.assets, m.buildInfo.assets);
|
---|
832 | }
|
---|
833 | if (m.buildInfo.assetsInfo) {
|
---|
834 | if (this.buildInfo.assetsInfo === undefined) {
|
---|
835 | this.buildInfo.assetsInfo = new Map();
|
---|
836 | }
|
---|
837 | for (const [key, value] of m.buildInfo.assetsInfo) {
|
---|
838 | this.buildInfo.assetsInfo.set(key, value);
|
---|
839 | }
|
---|
840 | }
|
---|
841 | }
|
---|
842 | callback();
|
---|
843 | }
|
---|
844 |
|
---|
845 | /**
|
---|
846 | * @param {string=} type the source type for which the size should be estimated
|
---|
847 | * @returns {number} the estimated size of the module (must be non-zero)
|
---|
848 | */
|
---|
849 | size(type) {
|
---|
850 | // Guess size from embedded modules
|
---|
851 | let size = 0;
|
---|
852 | for (const module of this._modules) {
|
---|
853 | size += module.size(type);
|
---|
854 | }
|
---|
855 | return size;
|
---|
856 | }
|
---|
857 |
|
---|
858 | /**
|
---|
859 | * @private
|
---|
860 | * @param {Module} rootModule the root of the concatenation
|
---|
861 | * @param {Set<Module>} modulesSet a set of modules which should be concatenated
|
---|
862 | * @param {RuntimeSpec} runtime for this runtime
|
---|
863 | * @param {ModuleGraph} moduleGraph the module graph
|
---|
864 | * @returns {ConcatenationEntry[]} concatenation list
|
---|
865 | */
|
---|
866 | _createConcatenationList(rootModule, modulesSet, runtime, moduleGraph) {
|
---|
867 | /** @type {ConcatenationEntry[]} */
|
---|
868 | const list = [];
|
---|
869 | /** @type {Map<Module, RuntimeSpec | true>} */
|
---|
870 | const existingEntries = new Map();
|
---|
871 |
|
---|
872 | /**
|
---|
873 | * @param {Module} module a module
|
---|
874 | * @returns {Iterable<{ connection: ModuleGraphConnection, runtimeCondition: RuntimeSpec | true }>} imported modules in order
|
---|
875 | */
|
---|
876 | const getConcatenatedImports = module => {
|
---|
877 | let connections = Array.from(moduleGraph.getOutgoingConnections(module));
|
---|
878 | if (module === rootModule) {
|
---|
879 | for (const c of moduleGraph.getOutgoingConnections(this))
|
---|
880 | connections.push(c);
|
---|
881 | }
|
---|
882 | const references = connections
|
---|
883 | .filter(connection => {
|
---|
884 | if (!(connection.dependency instanceof HarmonyImportDependency))
|
---|
885 | return false;
|
---|
886 | return (
|
---|
887 | connection &&
|
---|
888 | connection.resolvedOriginModule === module &&
|
---|
889 | connection.module &&
|
---|
890 | connection.isTargetActive(runtime)
|
---|
891 | );
|
---|
892 | })
|
---|
893 | .map(connection => ({
|
---|
894 | connection,
|
---|
895 | sourceOrder: /** @type {HarmonyImportDependency} */ (
|
---|
896 | connection.dependency
|
---|
897 | ).sourceOrder
|
---|
898 | }));
|
---|
899 | references.sort(
|
---|
900 | concatComparators(bySourceOrder, keepOriginalOrder(references))
|
---|
901 | );
|
---|
902 | /** @type {Map<Module, { connection: ModuleGraphConnection, runtimeCondition: RuntimeSpec | true }>} */
|
---|
903 | const referencesMap = new Map();
|
---|
904 | for (const { connection } of references) {
|
---|
905 | const runtimeCondition = filterRuntime(runtime, r =>
|
---|
906 | connection.isTargetActive(r)
|
---|
907 | );
|
---|
908 | if (runtimeCondition === false) continue;
|
---|
909 | const module = connection.module;
|
---|
910 | const entry = referencesMap.get(module);
|
---|
911 | if (entry === undefined) {
|
---|
912 | referencesMap.set(module, { connection, runtimeCondition });
|
---|
913 | continue;
|
---|
914 | }
|
---|
915 | entry.runtimeCondition = mergeRuntimeConditionNonFalse(
|
---|
916 | entry.runtimeCondition,
|
---|
917 | runtimeCondition,
|
---|
918 | runtime
|
---|
919 | );
|
---|
920 | }
|
---|
921 | return referencesMap.values();
|
---|
922 | };
|
---|
923 |
|
---|
924 | /**
|
---|
925 | * @param {ModuleGraphConnection} connection graph connection
|
---|
926 | * @param {RuntimeSpec | true} runtimeCondition runtime condition
|
---|
927 | * @returns {void}
|
---|
928 | */
|
---|
929 | const enterModule = (connection, runtimeCondition) => {
|
---|
930 | const module = connection.module;
|
---|
931 | if (!module) return;
|
---|
932 | const existingEntry = existingEntries.get(module);
|
---|
933 | if (existingEntry === true) {
|
---|
934 | return;
|
---|
935 | }
|
---|
936 | if (modulesSet.has(module)) {
|
---|
937 | existingEntries.set(module, true);
|
---|
938 | if (runtimeCondition !== true) {
|
---|
939 | throw new Error(
|
---|
940 | `Cannot runtime-conditional concatenate a module (${module.identifier()} in ${this.rootModule.identifier()}, ${runtimeConditionToString(
|
---|
941 | runtimeCondition
|
---|
942 | )}). This should not happen.`
|
---|
943 | );
|
---|
944 | }
|
---|
945 | const imports = getConcatenatedImports(module);
|
---|
946 | for (const { connection, runtimeCondition } of imports)
|
---|
947 | enterModule(connection, runtimeCondition);
|
---|
948 | list.push({
|
---|
949 | type: "concatenated",
|
---|
950 | module: connection.module,
|
---|
951 | runtimeCondition
|
---|
952 | });
|
---|
953 | } else {
|
---|
954 | if (existingEntry !== undefined) {
|
---|
955 | const reducedRuntimeCondition = subtractRuntimeCondition(
|
---|
956 | runtimeCondition,
|
---|
957 | existingEntry,
|
---|
958 | runtime
|
---|
959 | );
|
---|
960 | if (reducedRuntimeCondition === false) return;
|
---|
961 | runtimeCondition = reducedRuntimeCondition;
|
---|
962 | existingEntries.set(
|
---|
963 | connection.module,
|
---|
964 | mergeRuntimeConditionNonFalse(
|
---|
965 | existingEntry,
|
---|
966 | runtimeCondition,
|
---|
967 | runtime
|
---|
968 | )
|
---|
969 | );
|
---|
970 | } else {
|
---|
971 | existingEntries.set(connection.module, runtimeCondition);
|
---|
972 | }
|
---|
973 | if (list.length > 0) {
|
---|
974 | const lastItem = list[list.length - 1];
|
---|
975 | if (
|
---|
976 | lastItem.type === "external" &&
|
---|
977 | lastItem.module === connection.module
|
---|
978 | ) {
|
---|
979 | lastItem.runtimeCondition = mergeRuntimeCondition(
|
---|
980 | lastItem.runtimeCondition,
|
---|
981 | runtimeCondition,
|
---|
982 | runtime
|
---|
983 | );
|
---|
984 | return;
|
---|
985 | }
|
---|
986 | }
|
---|
987 | list.push({
|
---|
988 | type: "external",
|
---|
989 | get module() {
|
---|
990 | // We need to use a getter here, because the module in the dependency
|
---|
991 | // could be replaced by some other process (i. e. also replaced with a
|
---|
992 | // concatenated module)
|
---|
993 | return connection.module;
|
---|
994 | },
|
---|
995 | runtimeCondition
|
---|
996 | });
|
---|
997 | }
|
---|
998 | };
|
---|
999 |
|
---|
1000 | existingEntries.set(rootModule, true);
|
---|
1001 | const imports = getConcatenatedImports(rootModule);
|
---|
1002 | for (const { connection, runtimeCondition } of imports)
|
---|
1003 | enterModule(connection, runtimeCondition);
|
---|
1004 | list.push({
|
---|
1005 | type: "concatenated",
|
---|
1006 | module: rootModule,
|
---|
1007 | runtimeCondition: true
|
---|
1008 | });
|
---|
1009 |
|
---|
1010 | return list;
|
---|
1011 | }
|
---|
1012 |
|
---|
1013 | static _createIdentifier(rootModule, modules, associatedObjectForCache) {
|
---|
1014 | const cachedContextify = contextify.bindContextCache(
|
---|
1015 | rootModule.context,
|
---|
1016 | associatedObjectForCache
|
---|
1017 | );
|
---|
1018 | let identifiers = [];
|
---|
1019 | for (const module of modules) {
|
---|
1020 | identifiers.push(cachedContextify(module.identifier()));
|
---|
1021 | }
|
---|
1022 | identifiers.sort();
|
---|
1023 | const hash = createHash("md4");
|
---|
1024 | hash.update(identifiers.join(" "));
|
---|
1025 | return rootModule.identifier() + "|" + hash.digest("hex");
|
---|
1026 | }
|
---|
1027 |
|
---|
1028 | /**
|
---|
1029 | * @param {LazySet<string>} fileDependencies set where file dependencies are added to
|
---|
1030 | * @param {LazySet<string>} contextDependencies set where context dependencies are added to
|
---|
1031 | * @param {LazySet<string>} missingDependencies set where missing dependencies are added to
|
---|
1032 | * @param {LazySet<string>} buildDependencies set where build dependencies are added to
|
---|
1033 | */
|
---|
1034 | addCacheDependencies(
|
---|
1035 | fileDependencies,
|
---|
1036 | contextDependencies,
|
---|
1037 | missingDependencies,
|
---|
1038 | buildDependencies
|
---|
1039 | ) {
|
---|
1040 | for (const module of this._modules) {
|
---|
1041 | module.addCacheDependencies(
|
---|
1042 | fileDependencies,
|
---|
1043 | contextDependencies,
|
---|
1044 | missingDependencies,
|
---|
1045 | buildDependencies
|
---|
1046 | );
|
---|
1047 | }
|
---|
1048 | }
|
---|
1049 |
|
---|
1050 | /**
|
---|
1051 | * @param {CodeGenerationContext} context context for code generation
|
---|
1052 | * @returns {CodeGenerationResult} result
|
---|
1053 | */
|
---|
1054 | codeGeneration({
|
---|
1055 | dependencyTemplates,
|
---|
1056 | runtimeTemplate,
|
---|
1057 | moduleGraph,
|
---|
1058 | chunkGraph,
|
---|
1059 | runtime: generationRuntime
|
---|
1060 | }) {
|
---|
1061 | /** @type {Set<string>} */
|
---|
1062 | const runtimeRequirements = new Set();
|
---|
1063 | const runtime = intersectRuntime(generationRuntime, this._runtime);
|
---|
1064 |
|
---|
1065 | const requestShortener = runtimeTemplate.requestShortener;
|
---|
1066 | // Meta info for each module
|
---|
1067 | const [modulesWithInfo, moduleToInfoMap] = this._getModulesWithInfo(
|
---|
1068 | moduleGraph,
|
---|
1069 | runtime
|
---|
1070 | );
|
---|
1071 |
|
---|
1072 | // Set with modules that need a generated namespace object
|
---|
1073 | /** @type {Set<ConcatenatedModuleInfo>} */
|
---|
1074 | const neededNamespaceObjects = new Set();
|
---|
1075 |
|
---|
1076 | // Generate source code and analyse scopes
|
---|
1077 | // Prepare a ReplaceSource for the final source
|
---|
1078 | for (const info of moduleToInfoMap.values()) {
|
---|
1079 | this._analyseModule(
|
---|
1080 | moduleToInfoMap,
|
---|
1081 | info,
|
---|
1082 | dependencyTemplates,
|
---|
1083 | runtimeTemplate,
|
---|
1084 | moduleGraph,
|
---|
1085 | chunkGraph,
|
---|
1086 | runtime
|
---|
1087 | );
|
---|
1088 | }
|
---|
1089 |
|
---|
1090 | // List of all used names to avoid conflicts
|
---|
1091 | const allUsedNames = new Set(RESERVED_NAMES);
|
---|
1092 |
|
---|
1093 | // List of additional names in scope for module references
|
---|
1094 | /** @type {Map<string, { usedNames: Set<string>, alreadyCheckedScopes: Set<TODO> }>} */
|
---|
1095 | const usedNamesInScopeInfo = new Map();
|
---|
1096 | /**
|
---|
1097 | * @param {string} module module identifier
|
---|
1098 | * @param {string} id export id
|
---|
1099 | * @returns {{ usedNames: Set<string>, alreadyCheckedScopes: Set<TODO> }} info
|
---|
1100 | */
|
---|
1101 | const getUsedNamesInScopeInfo = (module, id) => {
|
---|
1102 | const key = `${module}-${id}`;
|
---|
1103 | let info = usedNamesInScopeInfo.get(key);
|
---|
1104 | if (info === undefined) {
|
---|
1105 | info = {
|
---|
1106 | usedNames: new Set(),
|
---|
1107 | alreadyCheckedScopes: new Set()
|
---|
1108 | };
|
---|
1109 | usedNamesInScopeInfo.set(key, info);
|
---|
1110 | }
|
---|
1111 | return info;
|
---|
1112 | };
|
---|
1113 |
|
---|
1114 | // Set of already checked scopes
|
---|
1115 | const ignoredScopes = new Set();
|
---|
1116 |
|
---|
1117 | // get all global names
|
---|
1118 | for (const info of modulesWithInfo) {
|
---|
1119 | if (info.type === "concatenated") {
|
---|
1120 | // ignore symbols from moduleScope
|
---|
1121 | if (info.moduleScope) {
|
---|
1122 | ignoredScopes.add(info.moduleScope);
|
---|
1123 | }
|
---|
1124 |
|
---|
1125 | // The super class expression in class scopes behaves weird
|
---|
1126 | // We get ranges of all super class expressions to make
|
---|
1127 | // renaming to work correctly
|
---|
1128 | const superClassCache = new WeakMap();
|
---|
1129 | const getSuperClassExpressions = scope => {
|
---|
1130 | const cacheEntry = superClassCache.get(scope);
|
---|
1131 | if (cacheEntry !== undefined) return cacheEntry;
|
---|
1132 | const superClassExpressions = [];
|
---|
1133 | for (const childScope of scope.childScopes) {
|
---|
1134 | if (childScope.type !== "class") continue;
|
---|
1135 | const block = childScope.block;
|
---|
1136 | if (
|
---|
1137 | (block.type === "ClassDeclaration" ||
|
---|
1138 | block.type === "ClassExpression") &&
|
---|
1139 | block.superClass
|
---|
1140 | ) {
|
---|
1141 | superClassExpressions.push({
|
---|
1142 | range: block.superClass.range,
|
---|
1143 | variables: childScope.variables
|
---|
1144 | });
|
---|
1145 | }
|
---|
1146 | }
|
---|
1147 | superClassCache.set(scope, superClassExpressions);
|
---|
1148 | return superClassExpressions;
|
---|
1149 | };
|
---|
1150 |
|
---|
1151 | // add global symbols
|
---|
1152 | if (info.globalScope) {
|
---|
1153 | for (const reference of info.globalScope.through) {
|
---|
1154 | const name = reference.identifier.name;
|
---|
1155 | if (ConcatenationScope.isModuleReference(name)) {
|
---|
1156 | const match = ConcatenationScope.matchModuleReference(name);
|
---|
1157 | if (!match) continue;
|
---|
1158 | const referencedInfo = modulesWithInfo[match.index];
|
---|
1159 | if (referencedInfo.type === "reference")
|
---|
1160 | throw new Error("Module reference can't point to a reference");
|
---|
1161 | const binding = getFinalBinding(
|
---|
1162 | moduleGraph,
|
---|
1163 | referencedInfo,
|
---|
1164 | match.ids,
|
---|
1165 | moduleToInfoMap,
|
---|
1166 | runtime,
|
---|
1167 | requestShortener,
|
---|
1168 | runtimeTemplate,
|
---|
1169 | neededNamespaceObjects,
|
---|
1170 | false,
|
---|
1171 | info.module.buildMeta.strictHarmonyModule,
|
---|
1172 | true
|
---|
1173 | );
|
---|
1174 | if (!binding.ids) continue;
|
---|
1175 | const { usedNames, alreadyCheckedScopes } =
|
---|
1176 | getUsedNamesInScopeInfo(
|
---|
1177 | binding.info.module.identifier(),
|
---|
1178 | "name" in binding ? binding.name : ""
|
---|
1179 | );
|
---|
1180 | for (const expr of getSuperClassExpressions(reference.from)) {
|
---|
1181 | if (
|
---|
1182 | expr.range[0] <= reference.identifier.range[0] &&
|
---|
1183 | expr.range[1] >= reference.identifier.range[1]
|
---|
1184 | ) {
|
---|
1185 | for (const variable of expr.variables) {
|
---|
1186 | usedNames.add(variable.name);
|
---|
1187 | }
|
---|
1188 | }
|
---|
1189 | }
|
---|
1190 | addScopeSymbols(
|
---|
1191 | reference.from,
|
---|
1192 | usedNames,
|
---|
1193 | alreadyCheckedScopes,
|
---|
1194 | ignoredScopes
|
---|
1195 | );
|
---|
1196 | } else {
|
---|
1197 | allUsedNames.add(name);
|
---|
1198 | }
|
---|
1199 | }
|
---|
1200 | }
|
---|
1201 | }
|
---|
1202 | }
|
---|
1203 |
|
---|
1204 | // generate names for symbols
|
---|
1205 | for (const info of moduleToInfoMap.values()) {
|
---|
1206 | const { usedNames: namespaceObjectUsedNames } = getUsedNamesInScopeInfo(
|
---|
1207 | info.module.identifier(),
|
---|
1208 | ""
|
---|
1209 | );
|
---|
1210 | switch (info.type) {
|
---|
1211 | case "concatenated": {
|
---|
1212 | for (const variable of info.moduleScope.variables) {
|
---|
1213 | const name = variable.name;
|
---|
1214 | const { usedNames, alreadyCheckedScopes } = getUsedNamesInScopeInfo(
|
---|
1215 | info.module.identifier(),
|
---|
1216 | name
|
---|
1217 | );
|
---|
1218 | if (allUsedNames.has(name) || usedNames.has(name)) {
|
---|
1219 | const references = getAllReferences(variable);
|
---|
1220 | for (const ref of references) {
|
---|
1221 | addScopeSymbols(
|
---|
1222 | ref.from,
|
---|
1223 | usedNames,
|
---|
1224 | alreadyCheckedScopes,
|
---|
1225 | ignoredScopes
|
---|
1226 | );
|
---|
1227 | }
|
---|
1228 | const newName = this.findNewName(
|
---|
1229 | name,
|
---|
1230 | allUsedNames,
|
---|
1231 | usedNames,
|
---|
1232 | info.module.readableIdentifier(requestShortener)
|
---|
1233 | );
|
---|
1234 | allUsedNames.add(newName);
|
---|
1235 | info.internalNames.set(name, newName);
|
---|
1236 | const source = info.source;
|
---|
1237 | const allIdentifiers = new Set(
|
---|
1238 | references.map(r => r.identifier).concat(variable.identifiers)
|
---|
1239 | );
|
---|
1240 | for (const identifier of allIdentifiers) {
|
---|
1241 | const r = identifier.range;
|
---|
1242 | const path = getPathInAst(info.ast, identifier);
|
---|
1243 | if (path && path.length > 1) {
|
---|
1244 | const maybeProperty =
|
---|
1245 | path[1].type === "AssignmentPattern" &&
|
---|
1246 | path[1].left === path[0]
|
---|
1247 | ? path[2]
|
---|
1248 | : path[1];
|
---|
1249 | if (
|
---|
1250 | maybeProperty.type === "Property" &&
|
---|
1251 | maybeProperty.shorthand
|
---|
1252 | ) {
|
---|
1253 | source.insert(r[1], `: ${newName}`);
|
---|
1254 | continue;
|
---|
1255 | }
|
---|
1256 | }
|
---|
1257 | source.replace(r[0], r[1] - 1, newName);
|
---|
1258 | }
|
---|
1259 | } else {
|
---|
1260 | allUsedNames.add(name);
|
---|
1261 | info.internalNames.set(name, name);
|
---|
1262 | }
|
---|
1263 | }
|
---|
1264 | let namespaceObjectName;
|
---|
1265 | if (info.namespaceExportSymbol) {
|
---|
1266 | namespaceObjectName = info.internalNames.get(
|
---|
1267 | info.namespaceExportSymbol
|
---|
1268 | );
|
---|
1269 | } else {
|
---|
1270 | namespaceObjectName = this.findNewName(
|
---|
1271 | "namespaceObject",
|
---|
1272 | allUsedNames,
|
---|
1273 | namespaceObjectUsedNames,
|
---|
1274 | info.module.readableIdentifier(requestShortener)
|
---|
1275 | );
|
---|
1276 | allUsedNames.add(namespaceObjectName);
|
---|
1277 | }
|
---|
1278 | info.namespaceObjectName = namespaceObjectName;
|
---|
1279 | break;
|
---|
1280 | }
|
---|
1281 | case "external": {
|
---|
1282 | const externalName = this.findNewName(
|
---|
1283 | "",
|
---|
1284 | allUsedNames,
|
---|
1285 | namespaceObjectUsedNames,
|
---|
1286 | info.module.readableIdentifier(requestShortener)
|
---|
1287 | );
|
---|
1288 | allUsedNames.add(externalName);
|
---|
1289 | info.name = externalName;
|
---|
1290 | break;
|
---|
1291 | }
|
---|
1292 | }
|
---|
1293 | if (info.module.buildMeta.exportsType !== "namespace") {
|
---|
1294 | const externalNameInterop = this.findNewName(
|
---|
1295 | "namespaceObject",
|
---|
1296 | allUsedNames,
|
---|
1297 | namespaceObjectUsedNames,
|
---|
1298 | info.module.readableIdentifier(requestShortener)
|
---|
1299 | );
|
---|
1300 | allUsedNames.add(externalNameInterop);
|
---|
1301 | info.interopNamespaceObjectName = externalNameInterop;
|
---|
1302 | }
|
---|
1303 | if (
|
---|
1304 | info.module.buildMeta.exportsType === "default" &&
|
---|
1305 | info.module.buildMeta.defaultObject !== "redirect"
|
---|
1306 | ) {
|
---|
1307 | const externalNameInterop = this.findNewName(
|
---|
1308 | "namespaceObject2",
|
---|
1309 | allUsedNames,
|
---|
1310 | namespaceObjectUsedNames,
|
---|
1311 | info.module.readableIdentifier(requestShortener)
|
---|
1312 | );
|
---|
1313 | allUsedNames.add(externalNameInterop);
|
---|
1314 | info.interopNamespaceObject2Name = externalNameInterop;
|
---|
1315 | }
|
---|
1316 | if (
|
---|
1317 | info.module.buildMeta.exportsType === "dynamic" ||
|
---|
1318 | !info.module.buildMeta.exportsType
|
---|
1319 | ) {
|
---|
1320 | const externalNameInterop = this.findNewName(
|
---|
1321 | "default",
|
---|
1322 | allUsedNames,
|
---|
1323 | namespaceObjectUsedNames,
|
---|
1324 | info.module.readableIdentifier(requestShortener)
|
---|
1325 | );
|
---|
1326 | allUsedNames.add(externalNameInterop);
|
---|
1327 | info.interopDefaultAccessName = externalNameInterop;
|
---|
1328 | }
|
---|
1329 | }
|
---|
1330 |
|
---|
1331 | // Find and replace references to modules
|
---|
1332 | for (const info of moduleToInfoMap.values()) {
|
---|
1333 | if (info.type === "concatenated") {
|
---|
1334 | for (const reference of info.globalScope.through) {
|
---|
1335 | const name = reference.identifier.name;
|
---|
1336 | const match = ConcatenationScope.matchModuleReference(name);
|
---|
1337 | if (match) {
|
---|
1338 | const referencedInfo = modulesWithInfo[match.index];
|
---|
1339 | if (referencedInfo.type === "reference")
|
---|
1340 | throw new Error("Module reference can't point to a reference");
|
---|
1341 | const finalName = getFinalName(
|
---|
1342 | moduleGraph,
|
---|
1343 | referencedInfo,
|
---|
1344 | match.ids,
|
---|
1345 | moduleToInfoMap,
|
---|
1346 | runtime,
|
---|
1347 | requestShortener,
|
---|
1348 | runtimeTemplate,
|
---|
1349 | neededNamespaceObjects,
|
---|
1350 | match.call,
|
---|
1351 | !match.directImport,
|
---|
1352 | info.module.buildMeta.strictHarmonyModule,
|
---|
1353 | match.asiSafe
|
---|
1354 | );
|
---|
1355 | const r = reference.identifier.range;
|
---|
1356 | const source = info.source;
|
---|
1357 | // range is extended by 2 chars to cover the appended "._"
|
---|
1358 | source.replace(r[0], r[1] + 1, finalName);
|
---|
1359 | }
|
---|
1360 | }
|
---|
1361 | }
|
---|
1362 | }
|
---|
1363 |
|
---|
1364 | // Map with all root exposed used exports
|
---|
1365 | /** @type {Map<string, function(RequestShortener): string>} */
|
---|
1366 | const exportsMap = new Map();
|
---|
1367 |
|
---|
1368 | // Set with all root exposed unused exports
|
---|
1369 | /** @type {Set<string>} */
|
---|
1370 | const unusedExports = new Set();
|
---|
1371 |
|
---|
1372 | const rootInfo = /** @type {ConcatenatedModuleInfo} */ (
|
---|
1373 | moduleToInfoMap.get(this.rootModule)
|
---|
1374 | );
|
---|
1375 | const strictHarmonyModule = rootInfo.module.buildMeta.strictHarmonyModule;
|
---|
1376 | const exportsInfo = moduleGraph.getExportsInfo(rootInfo.module);
|
---|
1377 | for (const exportInfo of exportsInfo.orderedExports) {
|
---|
1378 | const name = exportInfo.name;
|
---|
1379 | if (exportInfo.provided === false) continue;
|
---|
1380 | const used = exportInfo.getUsedName(undefined, runtime);
|
---|
1381 | if (!used) {
|
---|
1382 | unusedExports.add(name);
|
---|
1383 | continue;
|
---|
1384 | }
|
---|
1385 | exportsMap.set(used, requestShortener => {
|
---|
1386 | try {
|
---|
1387 | const finalName = getFinalName(
|
---|
1388 | moduleGraph,
|
---|
1389 | rootInfo,
|
---|
1390 | [name],
|
---|
1391 | moduleToInfoMap,
|
---|
1392 | runtime,
|
---|
1393 | requestShortener,
|
---|
1394 | runtimeTemplate,
|
---|
1395 | neededNamespaceObjects,
|
---|
1396 | false,
|
---|
1397 | false,
|
---|
1398 | strictHarmonyModule,
|
---|
1399 | true
|
---|
1400 | );
|
---|
1401 | return `/* ${
|
---|
1402 | exportInfo.isReexport() ? "reexport" : "binding"
|
---|
1403 | } */ ${finalName}`;
|
---|
1404 | } catch (e) {
|
---|
1405 | e.message += `\nwhile generating the root export '${name}' (used name: '${used}')`;
|
---|
1406 | throw e;
|
---|
1407 | }
|
---|
1408 | });
|
---|
1409 | }
|
---|
1410 |
|
---|
1411 | const result = new ConcatSource();
|
---|
1412 |
|
---|
1413 | // add harmony compatibility flag (must be first because of possible circular dependencies)
|
---|
1414 | if (
|
---|
1415 | moduleGraph.getExportsInfo(this).otherExportsInfo.getUsed(runtime) !==
|
---|
1416 | UsageState.Unused
|
---|
1417 | ) {
|
---|
1418 | result.add(`// ESM COMPAT FLAG\n`);
|
---|
1419 | result.add(
|
---|
1420 | runtimeTemplate.defineEsModuleFlagStatement({
|
---|
1421 | exportsArgument: this.exportsArgument,
|
---|
1422 | runtimeRequirements
|
---|
1423 | })
|
---|
1424 | );
|
---|
1425 | }
|
---|
1426 |
|
---|
1427 | // define exports
|
---|
1428 | if (exportsMap.size > 0) {
|
---|
1429 | runtimeRequirements.add(RuntimeGlobals.exports);
|
---|
1430 | runtimeRequirements.add(RuntimeGlobals.definePropertyGetters);
|
---|
1431 | const definitions = [];
|
---|
1432 | for (const [key, value] of exportsMap) {
|
---|
1433 | definitions.push(
|
---|
1434 | `\n ${JSON.stringify(key)}: ${runtimeTemplate.returningFunction(
|
---|
1435 | value(requestShortener)
|
---|
1436 | )}`
|
---|
1437 | );
|
---|
1438 | }
|
---|
1439 | result.add(`\n// EXPORTS\n`);
|
---|
1440 | result.add(
|
---|
1441 | `${RuntimeGlobals.definePropertyGetters}(${
|
---|
1442 | this.exportsArgument
|
---|
1443 | }, {${definitions.join(",")}\n});\n`
|
---|
1444 | );
|
---|
1445 | }
|
---|
1446 |
|
---|
1447 | // list unused exports
|
---|
1448 | if (unusedExports.size > 0) {
|
---|
1449 | result.add(
|
---|
1450 | `\n// UNUSED EXPORTS: ${joinIterableWithComma(unusedExports)}\n`
|
---|
1451 | );
|
---|
1452 | }
|
---|
1453 |
|
---|
1454 | // generate namespace objects
|
---|
1455 | const namespaceObjectSources = new Map();
|
---|
1456 | for (const info of neededNamespaceObjects) {
|
---|
1457 | if (info.namespaceExportSymbol) continue;
|
---|
1458 | const nsObj = [];
|
---|
1459 | const exportsInfo = moduleGraph.getExportsInfo(info.module);
|
---|
1460 | for (const exportInfo of exportsInfo.orderedExports) {
|
---|
1461 | if (exportInfo.provided === false) continue;
|
---|
1462 | const usedName = exportInfo.getUsedName(undefined, runtime);
|
---|
1463 | if (usedName) {
|
---|
1464 | const finalName = getFinalName(
|
---|
1465 | moduleGraph,
|
---|
1466 | info,
|
---|
1467 | [exportInfo.name],
|
---|
1468 | moduleToInfoMap,
|
---|
1469 | runtime,
|
---|
1470 | requestShortener,
|
---|
1471 | runtimeTemplate,
|
---|
1472 | neededNamespaceObjects,
|
---|
1473 | false,
|
---|
1474 | undefined,
|
---|
1475 | info.module.buildMeta.strictHarmonyModule,
|
---|
1476 | true
|
---|
1477 | );
|
---|
1478 | nsObj.push(
|
---|
1479 | `\n ${JSON.stringify(
|
---|
1480 | usedName
|
---|
1481 | )}: ${runtimeTemplate.returningFunction(finalName)}`
|
---|
1482 | );
|
---|
1483 | }
|
---|
1484 | }
|
---|
1485 | const name = info.namespaceObjectName;
|
---|
1486 | const defineGetters =
|
---|
1487 | nsObj.length > 0
|
---|
1488 | ? `${RuntimeGlobals.definePropertyGetters}(${name}, {${nsObj.join(
|
---|
1489 | ","
|
---|
1490 | )}\n});\n`
|
---|
1491 | : "";
|
---|
1492 | if (nsObj.length > 0)
|
---|
1493 | runtimeRequirements.add(RuntimeGlobals.definePropertyGetters);
|
---|
1494 | namespaceObjectSources.set(
|
---|
1495 | info,
|
---|
1496 | `
|
---|
1497 | // NAMESPACE OBJECT: ${info.module.readableIdentifier(requestShortener)}
|
---|
1498 | var ${name} = {};
|
---|
1499 | ${RuntimeGlobals.makeNamespaceObject}(${name});
|
---|
1500 | ${defineGetters}`
|
---|
1501 | );
|
---|
1502 | runtimeRequirements.add(RuntimeGlobals.makeNamespaceObject);
|
---|
1503 | }
|
---|
1504 |
|
---|
1505 | // define required namespace objects (must be before evaluation modules)
|
---|
1506 | for (const info of modulesWithInfo) {
|
---|
1507 | if (info.type === "concatenated") {
|
---|
1508 | const source = namespaceObjectSources.get(info);
|
---|
1509 | if (!source) continue;
|
---|
1510 | result.add(source);
|
---|
1511 | }
|
---|
1512 | }
|
---|
1513 |
|
---|
1514 | const chunkInitFragments = [];
|
---|
1515 |
|
---|
1516 | // evaluate modules in order
|
---|
1517 | for (const rawInfo of modulesWithInfo) {
|
---|
1518 | let name;
|
---|
1519 | let isConditional = false;
|
---|
1520 | const info = rawInfo.type === "reference" ? rawInfo.target : rawInfo;
|
---|
1521 | switch (info.type) {
|
---|
1522 | case "concatenated": {
|
---|
1523 | result.add(
|
---|
1524 | `\n;// CONCATENATED MODULE: ${info.module.readableIdentifier(
|
---|
1525 | requestShortener
|
---|
1526 | )}\n`
|
---|
1527 | );
|
---|
1528 | result.add(info.source);
|
---|
1529 | if (info.chunkInitFragments) {
|
---|
1530 | for (const f of info.chunkInitFragments) chunkInitFragments.push(f);
|
---|
1531 | }
|
---|
1532 | if (info.runtimeRequirements) {
|
---|
1533 | for (const r of info.runtimeRequirements) {
|
---|
1534 | runtimeRequirements.add(r);
|
---|
1535 | }
|
---|
1536 | }
|
---|
1537 | name = info.namespaceObjectName;
|
---|
1538 | break;
|
---|
1539 | }
|
---|
1540 | case "external": {
|
---|
1541 | result.add(
|
---|
1542 | `\n// EXTERNAL MODULE: ${info.module.readableIdentifier(
|
---|
1543 | requestShortener
|
---|
1544 | )}\n`
|
---|
1545 | );
|
---|
1546 | runtimeRequirements.add(RuntimeGlobals.require);
|
---|
1547 | const { runtimeCondition } =
|
---|
1548 | /** @type {ExternalModuleInfo | ReferenceToModuleInfo} */ (rawInfo);
|
---|
1549 | const condition = runtimeTemplate.runtimeConditionExpression({
|
---|
1550 | chunkGraph,
|
---|
1551 | runtimeCondition,
|
---|
1552 | runtime,
|
---|
1553 | runtimeRequirements
|
---|
1554 | });
|
---|
1555 | if (condition !== "true") {
|
---|
1556 | isConditional = true;
|
---|
1557 | result.add(`if (${condition}) {\n`);
|
---|
1558 | }
|
---|
1559 | result.add(
|
---|
1560 | `var ${info.name} = __webpack_require__(${JSON.stringify(
|
---|
1561 | chunkGraph.getModuleId(info.module)
|
---|
1562 | )});`
|
---|
1563 | );
|
---|
1564 | name = info.name;
|
---|
1565 | break;
|
---|
1566 | }
|
---|
1567 | default:
|
---|
1568 | // @ts-expect-error never is expected here
|
---|
1569 | throw new Error(`Unsupported concatenation entry type ${info.type}`);
|
---|
1570 | }
|
---|
1571 | if (info.interopNamespaceObjectUsed) {
|
---|
1572 | runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject);
|
---|
1573 | result.add(
|
---|
1574 | `\nvar ${info.interopNamespaceObjectName} = /*#__PURE__*/${RuntimeGlobals.createFakeNamespaceObject}(${name}, 2);`
|
---|
1575 | );
|
---|
1576 | }
|
---|
1577 | if (info.interopNamespaceObject2Used) {
|
---|
1578 | runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject);
|
---|
1579 | result.add(
|
---|
1580 | `\nvar ${info.interopNamespaceObject2Name} = /*#__PURE__*/${RuntimeGlobals.createFakeNamespaceObject}(${name});`
|
---|
1581 | );
|
---|
1582 | }
|
---|
1583 | if (info.interopDefaultAccessUsed) {
|
---|
1584 | runtimeRequirements.add(RuntimeGlobals.compatGetDefaultExport);
|
---|
1585 | result.add(
|
---|
1586 | `\nvar ${info.interopDefaultAccessName} = /*#__PURE__*/${RuntimeGlobals.compatGetDefaultExport}(${name});`
|
---|
1587 | );
|
---|
1588 | }
|
---|
1589 | if (isConditional) {
|
---|
1590 | result.add("\n}");
|
---|
1591 | }
|
---|
1592 | }
|
---|
1593 |
|
---|
1594 | const data = new Map();
|
---|
1595 | if (chunkInitFragments.length > 0)
|
---|
1596 | data.set("chunkInitFragments", chunkInitFragments);
|
---|
1597 |
|
---|
1598 | /** @type {CodeGenerationResult} */
|
---|
1599 | const resultEntry = {
|
---|
1600 | sources: new Map([["javascript", new CachedSource(result)]]),
|
---|
1601 | data,
|
---|
1602 | runtimeRequirements
|
---|
1603 | };
|
---|
1604 |
|
---|
1605 | return resultEntry;
|
---|
1606 | }
|
---|
1607 |
|
---|
1608 | /**
|
---|
1609 | * @param {Map<Module, ModuleInfo>} modulesMap modulesMap
|
---|
1610 | * @param {ModuleInfo} info info
|
---|
1611 | * @param {DependencyTemplates} dependencyTemplates dependencyTemplates
|
---|
1612 | * @param {RuntimeTemplate} runtimeTemplate runtimeTemplate
|
---|
1613 | * @param {ModuleGraph} moduleGraph moduleGraph
|
---|
1614 | * @param {ChunkGraph} chunkGraph chunkGraph
|
---|
1615 | * @param {RuntimeSpec} runtime runtime
|
---|
1616 | */
|
---|
1617 | _analyseModule(
|
---|
1618 | modulesMap,
|
---|
1619 | info,
|
---|
1620 | dependencyTemplates,
|
---|
1621 | runtimeTemplate,
|
---|
1622 | moduleGraph,
|
---|
1623 | chunkGraph,
|
---|
1624 | runtime
|
---|
1625 | ) {
|
---|
1626 | if (info.type === "concatenated") {
|
---|
1627 | const m = info.module;
|
---|
1628 | try {
|
---|
1629 | // Create a concatenation scope to track and capture information
|
---|
1630 | const concatenationScope = new ConcatenationScope(modulesMap, info);
|
---|
1631 |
|
---|
1632 | // TODO cache codeGeneration results
|
---|
1633 | const codeGenResult = m.codeGeneration({
|
---|
1634 | dependencyTemplates,
|
---|
1635 | runtimeTemplate,
|
---|
1636 | moduleGraph,
|
---|
1637 | chunkGraph,
|
---|
1638 | runtime,
|
---|
1639 | concatenationScope
|
---|
1640 | });
|
---|
1641 | const source = codeGenResult.sources.get("javascript");
|
---|
1642 | const data = codeGenResult.data;
|
---|
1643 | const chunkInitFragments = data && data.get("chunkInitFragments");
|
---|
1644 | const code = source.source().toString();
|
---|
1645 | let ast;
|
---|
1646 | try {
|
---|
1647 | ast = JavascriptParser._parse(code, {
|
---|
1648 | sourceType: "module"
|
---|
1649 | });
|
---|
1650 | } catch (err) {
|
---|
1651 | if (
|
---|
1652 | err.loc &&
|
---|
1653 | typeof err.loc === "object" &&
|
---|
1654 | typeof err.loc.line === "number"
|
---|
1655 | ) {
|
---|
1656 | const lineNumber = err.loc.line;
|
---|
1657 | const lines = code.split("\n");
|
---|
1658 | err.message +=
|
---|
1659 | "\n| " +
|
---|
1660 | lines
|
---|
1661 | .slice(Math.max(0, lineNumber - 3), lineNumber + 2)
|
---|
1662 | .join("\n| ");
|
---|
1663 | }
|
---|
1664 | throw err;
|
---|
1665 | }
|
---|
1666 | const scopeManager = eslintScope.analyze(ast, {
|
---|
1667 | ecmaVersion: 6,
|
---|
1668 | sourceType: "module",
|
---|
1669 | optimistic: true,
|
---|
1670 | ignoreEval: true,
|
---|
1671 | impliedStrict: true
|
---|
1672 | });
|
---|
1673 | const globalScope = scopeManager.acquire(ast);
|
---|
1674 | const moduleScope = globalScope.childScopes[0];
|
---|
1675 | const resultSource = new ReplaceSource(source);
|
---|
1676 | info.runtimeRequirements = codeGenResult.runtimeRequirements;
|
---|
1677 | info.ast = ast;
|
---|
1678 | info.internalSource = source;
|
---|
1679 | info.source = resultSource;
|
---|
1680 | info.chunkInitFragments = chunkInitFragments;
|
---|
1681 | info.globalScope = globalScope;
|
---|
1682 | info.moduleScope = moduleScope;
|
---|
1683 | } catch (err) {
|
---|
1684 | err.message += `\nwhile analysing module ${m.identifier()} for concatenation`;
|
---|
1685 | throw err;
|
---|
1686 | }
|
---|
1687 | }
|
---|
1688 | }
|
---|
1689 |
|
---|
1690 | /**
|
---|
1691 | * @param {ModuleGraph} moduleGraph the module graph
|
---|
1692 | * @param {RuntimeSpec} runtime the runtime
|
---|
1693 | * @returns {[ModuleInfoOrReference[], Map<Module, ModuleInfo>]} module info items
|
---|
1694 | */
|
---|
1695 | _getModulesWithInfo(moduleGraph, runtime) {
|
---|
1696 | const orderedConcatenationList = this._createConcatenationList(
|
---|
1697 | this.rootModule,
|
---|
1698 | this._modules,
|
---|
1699 | runtime,
|
---|
1700 | moduleGraph
|
---|
1701 | );
|
---|
1702 | /** @type {Map<Module, ModuleInfo>} */
|
---|
1703 | const map = new Map();
|
---|
1704 | const list = orderedConcatenationList.map((info, index) => {
|
---|
1705 | let item = map.get(info.module);
|
---|
1706 | if (item === undefined) {
|
---|
1707 | switch (info.type) {
|
---|
1708 | case "concatenated":
|
---|
1709 | item = {
|
---|
1710 | type: "concatenated",
|
---|
1711 | module: info.module,
|
---|
1712 | index,
|
---|
1713 | ast: undefined,
|
---|
1714 | internalSource: undefined,
|
---|
1715 | runtimeRequirements: undefined,
|
---|
1716 | source: undefined,
|
---|
1717 | globalScope: undefined,
|
---|
1718 | moduleScope: undefined,
|
---|
1719 | internalNames: new Map(),
|
---|
1720 | exportMap: undefined,
|
---|
1721 | rawExportMap: undefined,
|
---|
1722 | namespaceExportSymbol: undefined,
|
---|
1723 | namespaceObjectName: undefined,
|
---|
1724 | interopNamespaceObjectUsed: false,
|
---|
1725 | interopNamespaceObjectName: undefined,
|
---|
1726 | interopNamespaceObject2Used: false,
|
---|
1727 | interopNamespaceObject2Name: undefined,
|
---|
1728 | interopDefaultAccessUsed: false,
|
---|
1729 | interopDefaultAccessName: undefined
|
---|
1730 | };
|
---|
1731 | break;
|
---|
1732 | case "external":
|
---|
1733 | item = {
|
---|
1734 | type: "external",
|
---|
1735 | module: info.module,
|
---|
1736 | runtimeCondition: info.runtimeCondition,
|
---|
1737 | index,
|
---|
1738 | name: undefined,
|
---|
1739 | interopNamespaceObjectUsed: false,
|
---|
1740 | interopNamespaceObjectName: undefined,
|
---|
1741 | interopNamespaceObject2Used: false,
|
---|
1742 | interopNamespaceObject2Name: undefined,
|
---|
1743 | interopDefaultAccessUsed: false,
|
---|
1744 | interopDefaultAccessName: undefined
|
---|
1745 | };
|
---|
1746 | break;
|
---|
1747 | default:
|
---|
1748 | throw new Error(
|
---|
1749 | `Unsupported concatenation entry type ${info.type}`
|
---|
1750 | );
|
---|
1751 | }
|
---|
1752 | map.set(item.module, item);
|
---|
1753 | return item;
|
---|
1754 | } else {
|
---|
1755 | /** @type {ReferenceToModuleInfo} */
|
---|
1756 | const ref = {
|
---|
1757 | type: "reference",
|
---|
1758 | runtimeCondition: info.runtimeCondition,
|
---|
1759 | target: item
|
---|
1760 | };
|
---|
1761 | return ref;
|
---|
1762 | }
|
---|
1763 | });
|
---|
1764 | return [list, map];
|
---|
1765 | }
|
---|
1766 |
|
---|
1767 | findNewName(oldName, usedNamed1, usedNamed2, extraInfo) {
|
---|
1768 | let name = oldName;
|
---|
1769 |
|
---|
1770 | if (name === ConcatenationScope.DEFAULT_EXPORT) {
|
---|
1771 | name = "";
|
---|
1772 | }
|
---|
1773 | if (name === ConcatenationScope.NAMESPACE_OBJECT_EXPORT) {
|
---|
1774 | name = "namespaceObject";
|
---|
1775 | }
|
---|
1776 |
|
---|
1777 | // Remove uncool stuff
|
---|
1778 | extraInfo = extraInfo.replace(
|
---|
1779 | /\.+\/|(\/index)?\.([a-zA-Z0-9]{1,4})($|\s|\?)|\s*\+\s*\d+\s*modules/g,
|
---|
1780 | ""
|
---|
1781 | );
|
---|
1782 |
|
---|
1783 | const splittedInfo = extraInfo.split("/");
|
---|
1784 | while (splittedInfo.length) {
|
---|
1785 | name = splittedInfo.pop() + (name ? "_" + name : "");
|
---|
1786 | const nameIdent = Template.toIdentifier(name);
|
---|
1787 | if (
|
---|
1788 | !usedNamed1.has(nameIdent) &&
|
---|
1789 | (!usedNamed2 || !usedNamed2.has(nameIdent))
|
---|
1790 | )
|
---|
1791 | return nameIdent;
|
---|
1792 | }
|
---|
1793 |
|
---|
1794 | let i = 0;
|
---|
1795 | let nameWithNumber = Template.toIdentifier(`${name}_${i}`);
|
---|
1796 | while (
|
---|
1797 | usedNamed1.has(nameWithNumber) ||
|
---|
1798 | (usedNamed2 && usedNamed2.has(nameWithNumber))
|
---|
1799 | ) {
|
---|
1800 | i++;
|
---|
1801 | nameWithNumber = Template.toIdentifier(`${name}_${i}`);
|
---|
1802 | }
|
---|
1803 | return nameWithNumber;
|
---|
1804 | }
|
---|
1805 |
|
---|
1806 | /**
|
---|
1807 | * @param {Hash} hash the hash used to track dependencies
|
---|
1808 | * @param {UpdateHashContext} context context
|
---|
1809 | * @returns {void}
|
---|
1810 | */
|
---|
1811 | updateHash(hash, context) {
|
---|
1812 | const { chunkGraph, runtime } = context;
|
---|
1813 | for (const info of this._createConcatenationList(
|
---|
1814 | this.rootModule,
|
---|
1815 | this._modules,
|
---|
1816 | intersectRuntime(runtime, this._runtime),
|
---|
1817 | chunkGraph.moduleGraph
|
---|
1818 | )) {
|
---|
1819 | switch (info.type) {
|
---|
1820 | case "concatenated":
|
---|
1821 | info.module.updateHash(hash, context);
|
---|
1822 | break;
|
---|
1823 | case "external":
|
---|
1824 | hash.update(`${chunkGraph.getModuleId(info.module)}`);
|
---|
1825 | // TODO runtimeCondition
|
---|
1826 | break;
|
---|
1827 | }
|
---|
1828 | }
|
---|
1829 | super.updateHash(hash, context);
|
---|
1830 | }
|
---|
1831 |
|
---|
1832 | static deserialize(context) {
|
---|
1833 | const obj = new ConcatenatedModule({
|
---|
1834 | identifier: undefined,
|
---|
1835 | rootModule: undefined,
|
---|
1836 | modules: undefined,
|
---|
1837 | runtime: undefined
|
---|
1838 | });
|
---|
1839 | obj.deserialize(context);
|
---|
1840 | return obj;
|
---|
1841 | }
|
---|
1842 | }
|
---|
1843 |
|
---|
1844 | makeSerializable(ConcatenatedModule, "webpack/lib/optimize/ConcatenatedModule");
|
---|
1845 |
|
---|
1846 | module.exports = ConcatenatedModule;
|
---|