You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

305 lines
8.6 KiB

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { ConcatSource, OriginalSource } = require("webpack-sources");
const Template = require("./Template");
/** @typedef {import("../declarations/WebpackOptions").LibraryCustomUmdObject} LibraryCustomUmdObject */
/** @typedef {import("./Compilation")} Compilation */
/**
* @param {string[]} accessor the accessor to convert to path
* @returns {string} the path
*/
const accessorToObjectAccess = accessor => {
return accessor.map(a => `[${JSON.stringify(a)}]`).join("");
};
/**
* @param {string=} base the path prefix
* @param {string|string[]} accessor the accessor
* @param {string=} joinWith the element separator
* @returns {string} the path
*/
const accessorAccess = (base, accessor, joinWith = ", ") => {
const accessors = Array.isArray(accessor) ? accessor : [accessor];
return accessors
.map((_, idx) => {
const a = base
? base + accessorToObjectAccess(accessors.slice(0, idx + 1))
: accessors[0] + accessorToObjectAccess(accessors.slice(1, idx + 1));
if (idx === accessors.length - 1) return a;
if (idx === 0 && base === undefined)
return `${a} = typeof ${a} === "object" ? ${a} : {}`;
return `${a} = ${a} || {}`;
})
.join(joinWith);
};
/** @typedef {string | string[] | LibraryCustomUmdObject} UmdMainTemplatePluginName */
/**
* @typedef {Object} AuxiliaryCommentObject
* @property {string} root
* @property {string} commonjs
* @property {string} commonjs2
* @property {string} amd
*/
/**
* @typedef {Object} UmdMainTemplatePluginOption
* @property {boolean=} optionalAmdExternalAsGlobal
* @property {boolean} namedDefine
* @property {string | AuxiliaryCommentObject} auxiliaryComment
*/
class UmdMainTemplatePlugin {
/**
* @param {UmdMainTemplatePluginName} name the name of the UMD library
* @param {UmdMainTemplatePluginOption} options the plugin option
*/
constructor(name, options) {
if (typeof name === "object" && !Array.isArray(name)) {
this.name = name.root || name.amd || name.commonjs;
this.names = name;
} else {
this.name = name;
this.names = {
commonjs: name,
root: name,
amd: name
};
}
this.optionalAmdExternalAsGlobal = options.optionalAmdExternalAsGlobal;
this.namedDefine = options.namedDefine;
this.auxiliaryComment = options.auxiliaryComment;
}
/**
* @param {Compilation} compilation the compilation instance
* @returns {void}
*/
apply(compilation) {
const { mainTemplate, chunkTemplate, runtimeTemplate } = compilation;
const onRenderWithEntry = (source, chunk, hash) => {
let externals = chunk
.getModules()
.filter(
m =>
m.external &&
(m.externalType === "umd" || m.externalType === "umd2")
);
const optionalExternals = [];
let requiredExternals = [];
if (this.optionalAmdExternalAsGlobal) {
for (const m of externals) {
if (m.optional) {
optionalExternals.push(m);
} else {
requiredExternals.push(m);
}
}
externals = requiredExternals.concat(optionalExternals);
} else {
requiredExternals = externals;
}
const replaceKeys = str => {
return mainTemplate.getAssetPath(str, {
hash,
chunk
});
};
const externalsDepsArray = modules => {
return `[${replaceKeys(
modules
.map(m =>
JSON.stringify(
typeof m.request === "object" ? m.request.amd : m.request
)
)
.join(", ")
)}]`;
};
const externalsRootArray = modules => {
return replaceKeys(
modules
.map(m => {
let request = m.request;
if (typeof request === "object") request = request.root;
return `root${accessorToObjectAccess([].concat(request))}`;
})
.join(", ")
);
};
const externalsRequireArray = type => {
return replaceKeys(
externals
.map(m => {
let expr;
let request = m.request;
if (typeof request === "object") {
request = request[type];
}
if (request === undefined) {
throw new Error(
"Missing external configuration for type:" + type
);
}
if (Array.isArray(request)) {
expr = `require(${JSON.stringify(
request[0]
)})${accessorToObjectAccess(request.slice(1))}`;
} else {
expr = `require(${JSON.stringify(request)})`;
}
if (m.optional) {
expr = `(function webpackLoadOptionalExternalModule() { try { return ${expr}; } catch(e) {} }())`;
}
return expr;
})
.join(", ")
);
};
const externalsArguments = modules => {
return modules
.map(
m =>
`__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(`${m.id}`)}__`
)
.join(", ");
};
const libraryName = library => {
return JSON.stringify(replaceKeys([].concat(library).pop()));
};
let amdFactory;
if (optionalExternals.length > 0) {
const wrapperArguments = externalsArguments(requiredExternals);
const factoryArguments =
requiredExternals.length > 0
? externalsArguments(requiredExternals) +
", " +
externalsRootArray(optionalExternals)
: externalsRootArray(optionalExternals);
amdFactory =
`function webpackLoadOptionalExternalModuleAmd(${wrapperArguments}) {\n` +
` return factory(${factoryArguments});\n` +
" }";
} else {
amdFactory = "factory";
}
const auxiliaryComment = this.auxiliaryComment;
const getAuxilaryComment = type => {
if (auxiliaryComment) {
if (typeof auxiliaryComment === "string")
return "\t//" + auxiliaryComment + "\n";
if (auxiliaryComment[type])
return "\t//" + auxiliaryComment[type] + "\n";
}
return "";
};
return new ConcatSource(
new OriginalSource(
"(function webpackUniversalModuleDefinition(root, factory) {\n" +
getAuxilaryComment("commonjs2") +
" if(typeof exports === 'object' && typeof module === 'object')\n" +
" module.exports = factory(" +
externalsRequireArray("commonjs2") +
");\n" +
getAuxilaryComment("amd") +
" else if(typeof define === 'function' && define.amd)\n" +
(requiredExternals.length > 0
? this.names.amd && this.namedDefine === true
? " define(" +
libraryName(this.names.amd) +
", " +
externalsDepsArray(requiredExternals) +
", " +
amdFactory +
");\n"
: " define(" +
externalsDepsArray(requiredExternals) +
", " +
amdFactory +
");\n"
: this.names.amd && this.namedDefine === true
? " define(" +
libraryName(this.names.amd) +
", [], " +
amdFactory +
");\n"
: " define([], " + amdFactory + ");\n") +
(this.names.root || this.names.commonjs
? getAuxilaryComment("commonjs") +
" else if(typeof exports === 'object')\n" +
" exports[" +
libraryName(this.names.commonjs || this.names.root) +
"] = factory(" +
externalsRequireArray("commonjs") +
");\n" +
getAuxilaryComment("root") +
" else\n" +
" " +
replaceKeys(
accessorAccess("root", this.names.root || this.names.commonjs)
) +
" = factory(" +
externalsRootArray(externals) +
");\n"
: " else {\n" +
(externals.length > 0
? " var a = typeof exports === 'object' ? factory(" +
externalsRequireArray("commonjs") +
") : factory(" +
externalsRootArray(externals) +
");\n"
: " var a = factory();\n") +
" for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];\n" +
" }\n") +
`})(${
runtimeTemplate.outputOptions.globalObject
}, function(${externalsArguments(externals)}) {\nreturn `,
"webpack/universalModuleDefinition"
),
source,
";\n})"
);
};
for (const template of [mainTemplate, chunkTemplate]) {
template.hooks.renderWithEntry.tap(
"UmdMainTemplatePlugin",
onRenderWithEntry
);
}
mainTemplate.hooks.globalHashPaths.tap("UmdMainTemplatePlugin", paths => {
if (this.names.root) paths = paths.concat(this.names.root);
if (this.names.amd) paths = paths.concat(this.names.amd);
if (this.names.commonjs) paths = paths.concat(this.names.commonjs);
return paths;
});
mainTemplate.hooks.hash.tap("UmdMainTemplatePlugin", hash => {
hash.update("umd");
hash.update(`${this.names.root}`);
hash.update(`${this.names.amd}`);
hash.update(`${this.names.commonjs}`);
});
}
}
module.exports = UmdMainTemplatePlugin;