1 |
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2 |
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4 |
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5 | "use strict";
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6 |
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7 | const { ConcatSource, OriginalSource } = require("webpack-sources");
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8 | const Template = require("./Template");
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9 |
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10 |
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11 |
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12 |
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13 |
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14 |
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15 |
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16 |
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17 | const accessorToObjectAccess = accessor => {
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18 | return accessor.map(a => `[${JSON.stringify(a)}]`).join("");
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19 | };
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20 |
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21 |
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22 |
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23 |
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24 |
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25 |
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26 |
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27 | const accessorAccess = (base, accessor, joinWith = ", ") => {
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28 | const accessors = Array.isArray(accessor) ? accessor : [accessor];
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29 | return accessors
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30 | .map((_, idx) => {
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31 | const a = base
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32 | ? base + accessorToObjectAccess(accessors.slice(0, idx + 1))
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33 | : accessors[0] + accessorToObjectAccess(accessors.slice(1, idx + 1));
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34 | if (idx === accessors.length - 1) return a;
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35 | if (idx === 0 && base === undefined)
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36 | return `${a} = typeof ${a} === "object" ? ${a} : {}`;
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37 | return `${a} = ${a} || {}`;
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38 | })
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39 | .join(joinWith);
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40 | };
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41 |
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42 |
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43 |
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44 |
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45 |
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46 |
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47 |
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48 |
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49 |
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50 |
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51 |
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52 |
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53 |
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54 |
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55 |
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56 |
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57 |
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58 |
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59 | class UmdMainTemplatePlugin {
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60 | |
61 |
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62 |
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63 |
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64 | constructor(name, options) {
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65 | if (typeof name === "object" && !Array.isArray(name)) {
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66 | this.name = name.root || name.amd || name.commonjs;
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67 | this.names = name;
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68 | } else {
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69 | this.name = name;
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70 | this.names = {
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71 | commonjs: name,
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72 | root: name,
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73 | amd: name
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74 | };
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75 | }
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76 | this.optionalAmdExternalAsGlobal = options.optionalAmdExternalAsGlobal;
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77 | this.namedDefine = options.namedDefine;
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78 | this.auxiliaryComment = options.auxiliaryComment;
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79 | }
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80 |
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81 | |
82 |
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83 |
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84 |
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85 | apply(compilation) {
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86 | const { mainTemplate, chunkTemplate, runtimeTemplate } = compilation;
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87 |
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88 | const onRenderWithEntry = (source, chunk, hash) => {
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89 | let externals = chunk
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90 | .getModules()
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91 | .filter(
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92 | m =>
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93 | m.external &&
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94 | (m.externalType === "umd" || m.externalType === "umd2")
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95 | );
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96 | const optionalExternals = [];
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97 | let requiredExternals = [];
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98 | if (this.optionalAmdExternalAsGlobal) {
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99 | for (const m of externals) {
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100 | if (m.optional) {
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101 | optionalExternals.push(m);
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102 | } else {
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103 | requiredExternals.push(m);
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104 | }
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105 | }
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106 | externals = requiredExternals.concat(optionalExternals);
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107 | } else {
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108 | requiredExternals = externals;
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109 | }
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110 |
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111 | const replaceKeys = str => {
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112 | return mainTemplate.getAssetPath(str, {
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113 | hash,
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114 | chunk
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115 | });
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116 | };
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117 |
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118 | const externalsDepsArray = modules => {
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119 | return `[${replaceKeys(
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120 | modules
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121 | .map(m =>
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122 | JSON.stringify(
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123 | typeof m.request === "object" ? m.request.amd : m.request
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124 | )
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125 | )
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126 | .join(", ")
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127 | )}]`;
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128 | };
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129 |
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130 | const externalsRootArray = modules => {
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131 | return replaceKeys(
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132 | modules
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133 | .map(m => {
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134 | let request = m.request;
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135 | if (typeof request === "object") request = request.root;
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136 | return `root${accessorToObjectAccess([].concat(request))}`;
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137 | })
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138 | .join(", ")
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139 | );
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140 | };
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141 |
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142 | const externalsRequireArray = type => {
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143 | return replaceKeys(
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144 | externals
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145 | .map(m => {
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146 | let expr;
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147 | let request = m.request;
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148 | if (typeof request === "object") {
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149 | request = request[type];
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150 | }
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151 | if (request === undefined) {
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152 | throw new Error(
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153 | "Missing external configuration for type:" + type
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154 | );
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155 | }
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156 | if (Array.isArray(request)) {
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157 | expr = `require(${JSON.stringify(
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158 | request[0]
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159 | )})${accessorToObjectAccess(request.slice(1))}`;
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160 | } else {
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161 | expr = `require(${JSON.stringify(request)})`;
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162 | }
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163 | if (m.optional) {
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164 | expr = `(function webpackLoadOptionalExternalModule() { try { return ${expr}; } catch(e) {} }())`;
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165 | }
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166 | return expr;
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167 | })
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168 | .join(", ")
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169 | );
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170 | };
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171 |
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172 | const externalsArguments = modules => {
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173 | return modules
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174 | .map(
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175 | m =>
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176 | `__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(`${m.id}`)}__`
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177 | )
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178 | .join(", ");
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179 | };
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180 |
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181 | const libraryName = library => {
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182 | return JSON.stringify(replaceKeys([].concat(library).pop()));
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183 | };
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184 |
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185 | let amdFactory;
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186 | if (optionalExternals.length > 0) {
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187 | const wrapperArguments = externalsArguments(requiredExternals);
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188 | const factoryArguments =
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189 | requiredExternals.length > 0
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190 | ? externalsArguments(requiredExternals) +
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191 | ", " +
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192 | externalsRootArray(optionalExternals)
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193 | : externalsRootArray(optionalExternals);
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194 | amdFactory =
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195 | `function webpackLoadOptionalExternalModuleAmd(${wrapperArguments}) {\n` +
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196 | ` return factory(${factoryArguments});\n` +
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197 | " }";
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198 | } else {
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199 | amdFactory = "factory";
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200 | }
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201 |
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202 | const auxiliaryComment = this.auxiliaryComment;
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203 |
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204 | const getAuxilaryComment = type => {
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205 | if (auxiliaryComment) {
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206 | if (typeof auxiliaryComment === "string")
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207 | return "\t//" + auxiliaryComment + "\n";
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208 | if (auxiliaryComment[type])
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209 | return "\t//" + auxiliaryComment[type] + "\n";
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210 | }
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211 | return "";
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212 | };
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213 |
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214 | return new ConcatSource(
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215 | new OriginalSource(
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216 | "(function webpackUniversalModuleDefinition(root, factory) {\n" +
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217 | getAuxilaryComment("commonjs2") +
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218 | " if(typeof exports === 'object' && typeof module === 'object')\n" +
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219 | " module.exports = factory(" +
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220 | externalsRequireArray("commonjs2") +
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221 | ");\n" +
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222 | getAuxilaryComment("amd") +
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223 | " else if(typeof define === 'function' && define.amd)\n" +
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224 | (requiredExternals.length > 0
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225 | ? this.names.amd && this.namedDefine === true
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226 | ? " define(" +
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227 | libraryName(this.names.amd) +
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228 | ", " +
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229 | externalsDepsArray(requiredExternals) +
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230 | ", " +
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231 | amdFactory +
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232 | ");\n"
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233 | : " define(" +
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234 | externalsDepsArray(requiredExternals) +
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235 | ", " +
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236 | amdFactory +
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237 | ");\n"
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238 | : this.names.amd && this.namedDefine === true
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239 | ? " define(" +
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240 | libraryName(this.names.amd) +
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241 | ", [], " +
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242 | amdFactory +
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243 | ");\n"
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244 | : " define([], " + amdFactory + ");\n") +
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245 | (this.names.root || this.names.commonjs
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246 | ? getAuxilaryComment("commonjs") +
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247 | " else if(typeof exports === 'object')\n" +
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248 | " exports[" +
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249 | libraryName(this.names.commonjs || this.names.root) +
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250 | "] = factory(" +
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251 | externalsRequireArray("commonjs") +
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252 | ");\n" +
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253 | getAuxilaryComment("root") +
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254 | " else\n" +
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255 | " " +
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256 | replaceKeys(
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257 | accessorAccess("root", this.names.root || this.names.commonjs)
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258 | ) +
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259 | " = factory(" +
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260 | externalsRootArray(externals) +
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261 | ");\n"
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262 | : " else {\n" +
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263 | (externals.length > 0
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264 | ? " var a = typeof exports === 'object' ? factory(" +
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265 | externalsRequireArray("commonjs") +
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266 | ") : factory(" +
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267 | externalsRootArray(externals) +
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268 | ");\n"
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269 | : " var a = factory();\n") +
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270 | " for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];\n" +
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271 | " }\n") +
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272 | `})(${
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273 | runtimeTemplate.outputOptions.globalObject
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274 | }, function(${externalsArguments(externals)}) {\nreturn `,
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275 | "webpack/universalModuleDefinition"
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276 | ),
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277 | source,
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278 | ";\n})"
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279 | );
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280 | };
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281 |
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282 | for (const template of [mainTemplate, chunkTemplate]) {
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283 | template.hooks.renderWithEntry.tap(
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284 | "UmdMainTemplatePlugin",
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285 | onRenderWithEntry
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286 | );
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287 | }
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288 |
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289 | mainTemplate.hooks.globalHashPaths.tap("UmdMainTemplatePlugin", paths => {
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290 | if (this.names.root) paths = paths.concat(this.names.root);
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291 | if (this.names.amd) paths = paths.concat(this.names.amd);
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292 | if (this.names.commonjs) paths = paths.concat(this.names.commonjs);
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293 | return paths;
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294 | });
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295 |
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296 | mainTemplate.hooks.hash.tap("UmdMainTemplatePlugin", hash => {
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297 | hash.update("umd");
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298 | hash.update(`${this.names.root}`);
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299 | hash.update(`${this.names.amd}`);
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300 | hash.update(`${this.names.commonjs}`);
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301 | });
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302 | }
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303 | }
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304 |
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305 | module.exports = UmdMainTemplatePlugin;
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