forked from zhurui/management
529 lines
14 KiB
JavaScript
529 lines
14 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
"use strict";
|
|
|
|
const path = require("path");
|
|
const asyncLib = require("neo-async");
|
|
const {
|
|
Tapable,
|
|
AsyncSeriesWaterfallHook,
|
|
SyncWaterfallHook,
|
|
SyncBailHook,
|
|
SyncHook,
|
|
HookMap
|
|
} = require("tapable");
|
|
const NormalModule = require("./NormalModule");
|
|
const RawModule = require("./RawModule");
|
|
const RuleSet = require("./RuleSet");
|
|
const { cachedCleverMerge } = require("./util/cleverMerge");
|
|
|
|
const EMPTY_RESOLVE_OPTIONS = {};
|
|
|
|
const MATCH_RESOURCE_REGEX = /^([^!]+)!=!/;
|
|
|
|
const loaderToIdent = data => {
|
|
if (!data.options) {
|
|
return data.loader;
|
|
}
|
|
if (typeof data.options === "string") {
|
|
return data.loader + "?" + data.options;
|
|
}
|
|
if (typeof data.options !== "object") {
|
|
throw new Error("loader options must be string or object");
|
|
}
|
|
if (data.ident) {
|
|
return data.loader + "??" + data.ident;
|
|
}
|
|
return data.loader + "?" + JSON.stringify(data.options);
|
|
};
|
|
|
|
const identToLoaderRequest = resultString => {
|
|
const idx = resultString.indexOf("?");
|
|
if (idx >= 0) {
|
|
const loader = resultString.substr(0, idx);
|
|
const options = resultString.substr(idx + 1);
|
|
return {
|
|
loader,
|
|
options
|
|
};
|
|
} else {
|
|
return {
|
|
loader: resultString,
|
|
options: undefined
|
|
};
|
|
}
|
|
};
|
|
|
|
const dependencyCache = new WeakMap();
|
|
|
|
class NormalModuleFactory extends Tapable {
|
|
constructor(context, resolverFactory, options) {
|
|
super();
|
|
this.hooks = {
|
|
resolver: new SyncWaterfallHook(["resolver"]),
|
|
factory: new SyncWaterfallHook(["factory"]),
|
|
beforeResolve: new AsyncSeriesWaterfallHook(["data"]),
|
|
afterResolve: new AsyncSeriesWaterfallHook(["data"]),
|
|
createModule: new SyncBailHook(["data"]),
|
|
module: new SyncWaterfallHook(["module", "data"]),
|
|
createParser: new HookMap(() => new SyncBailHook(["parserOptions"])),
|
|
parser: new HookMap(() => new SyncHook(["parser", "parserOptions"])),
|
|
createGenerator: new HookMap(
|
|
() => new SyncBailHook(["generatorOptions"])
|
|
),
|
|
generator: new HookMap(
|
|
() => new SyncHook(["generator", "generatorOptions"])
|
|
)
|
|
};
|
|
this._pluginCompat.tap("NormalModuleFactory", options => {
|
|
switch (options.name) {
|
|
case "before-resolve":
|
|
case "after-resolve":
|
|
options.async = true;
|
|
break;
|
|
case "parser":
|
|
this.hooks.parser
|
|
.for("javascript/auto")
|
|
.tap(options.fn.name || "unnamed compat plugin", options.fn);
|
|
return true;
|
|
}
|
|
let match;
|
|
match = /^parser (.+)$/.exec(options.name);
|
|
if (match) {
|
|
this.hooks.parser
|
|
.for(match[1])
|
|
.tap(
|
|
options.fn.name || "unnamed compat plugin",
|
|
options.fn.bind(this)
|
|
);
|
|
return true;
|
|
}
|
|
match = /^create-parser (.+)$/.exec(options.name);
|
|
if (match) {
|
|
this.hooks.createParser
|
|
.for(match[1])
|
|
.tap(
|
|
options.fn.name || "unnamed compat plugin",
|
|
options.fn.bind(this)
|
|
);
|
|
return true;
|
|
}
|
|
});
|
|
this.resolverFactory = resolverFactory;
|
|
this.ruleSet = new RuleSet(options.defaultRules.concat(options.rules));
|
|
this.cachePredicate =
|
|
typeof options.unsafeCache === "function"
|
|
? options.unsafeCache
|
|
: Boolean.bind(null, options.unsafeCache);
|
|
this.context = context || "";
|
|
this.parserCache = Object.create(null);
|
|
this.generatorCache = Object.create(null);
|
|
this.hooks.factory.tap("NormalModuleFactory", () => (result, callback) => {
|
|
let resolver = this.hooks.resolver.call(null);
|
|
|
|
// Ignored
|
|
if (!resolver) return callback();
|
|
|
|
resolver(result, (err, data) => {
|
|
if (err) return callback(err);
|
|
|
|
// Ignored
|
|
if (!data) return callback();
|
|
|
|
// direct module
|
|
if (typeof data.source === "function") return callback(null, data);
|
|
|
|
this.hooks.afterResolve.callAsync(data, (err, result) => {
|
|
if (err) return callback(err);
|
|
|
|
// Ignored
|
|
if (!result) return callback();
|
|
|
|
let createdModule = this.hooks.createModule.call(result);
|
|
if (!createdModule) {
|
|
if (!result.request) {
|
|
return callback(new Error("Empty dependency (no request)"));
|
|
}
|
|
|
|
createdModule = new NormalModule(result);
|
|
}
|
|
|
|
createdModule = this.hooks.module.call(createdModule, result);
|
|
|
|
return callback(null, createdModule);
|
|
});
|
|
});
|
|
});
|
|
this.hooks.resolver.tap("NormalModuleFactory", () => (data, callback) => {
|
|
const contextInfo = data.contextInfo;
|
|
const context = data.context;
|
|
const request = data.request;
|
|
|
|
const loaderResolver = this.getResolver("loader");
|
|
const normalResolver = this.getResolver("normal", data.resolveOptions);
|
|
|
|
let matchResource = undefined;
|
|
let requestWithoutMatchResource = request;
|
|
const matchResourceMatch = MATCH_RESOURCE_REGEX.exec(request);
|
|
if (matchResourceMatch) {
|
|
matchResource = matchResourceMatch[1];
|
|
if (/^\.\.?\//.test(matchResource)) {
|
|
matchResource = path.join(context, matchResource);
|
|
}
|
|
requestWithoutMatchResource = request.substr(
|
|
matchResourceMatch[0].length
|
|
);
|
|
}
|
|
|
|
const noPreAutoLoaders = requestWithoutMatchResource.startsWith("-!");
|
|
const noAutoLoaders =
|
|
noPreAutoLoaders || requestWithoutMatchResource.startsWith("!");
|
|
const noPrePostAutoLoaders = requestWithoutMatchResource.startsWith("!!");
|
|
let elements = requestWithoutMatchResource
|
|
.replace(/^-?!+/, "")
|
|
.replace(/!!+/g, "!")
|
|
.split("!");
|
|
let resource = elements.pop();
|
|
elements = elements.map(identToLoaderRequest);
|
|
|
|
asyncLib.parallel(
|
|
[
|
|
callback =>
|
|
this.resolveRequestArray(
|
|
contextInfo,
|
|
context,
|
|
elements,
|
|
loaderResolver,
|
|
callback
|
|
),
|
|
callback => {
|
|
if (resource === "" || resource[0] === "?") {
|
|
return callback(null, {
|
|
resource
|
|
});
|
|
}
|
|
|
|
normalResolver.resolve(
|
|
contextInfo,
|
|
context,
|
|
resource,
|
|
{},
|
|
(err, resource, resourceResolveData) => {
|
|
if (err) return callback(err);
|
|
callback(null, {
|
|
resourceResolveData,
|
|
resource
|
|
});
|
|
}
|
|
);
|
|
}
|
|
],
|
|
(err, results) => {
|
|
if (err) return callback(err);
|
|
let loaders = results[0];
|
|
const resourceResolveData = results[1].resourceResolveData;
|
|
resource = results[1].resource;
|
|
|
|
// translate option idents
|
|
try {
|
|
for (const item of loaders) {
|
|
if (typeof item.options === "string" && item.options[0] === "?") {
|
|
const ident = item.options.substr(1);
|
|
item.options = this.ruleSet.findOptionsByIdent(ident);
|
|
item.ident = ident;
|
|
}
|
|
}
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
|
|
if (resource === false) {
|
|
// ignored
|
|
return callback(
|
|
null,
|
|
new RawModule(
|
|
"/* (ignored) */",
|
|
`ignored ${context} ${request}`,
|
|
`${request} (ignored)`
|
|
)
|
|
);
|
|
}
|
|
|
|
const userRequest =
|
|
(matchResource !== undefined ? `${matchResource}!=!` : "") +
|
|
loaders
|
|
.map(loaderToIdent)
|
|
.concat([resource])
|
|
.join("!");
|
|
|
|
let resourcePath =
|
|
matchResource !== undefined ? matchResource : resource;
|
|
let resourceQuery = "";
|
|
const queryIndex = resourcePath.indexOf("?");
|
|
if (queryIndex >= 0) {
|
|
resourceQuery = resourcePath.substr(queryIndex);
|
|
resourcePath = resourcePath.substr(0, queryIndex);
|
|
}
|
|
|
|
const result = this.ruleSet.exec({
|
|
resource: resourcePath,
|
|
realResource:
|
|
matchResource !== undefined
|
|
? resource.replace(/\?.*/, "")
|
|
: resourcePath,
|
|
resourceQuery,
|
|
issuer: contextInfo.issuer,
|
|
compiler: contextInfo.compiler
|
|
});
|
|
const settings = {};
|
|
const useLoadersPost = [];
|
|
const useLoaders = [];
|
|
const useLoadersPre = [];
|
|
for (const r of result) {
|
|
if (r.type === "use") {
|
|
if (r.enforce === "post" && !noPrePostAutoLoaders) {
|
|
useLoadersPost.push(r.value);
|
|
} else if (
|
|
r.enforce === "pre" &&
|
|
!noPreAutoLoaders &&
|
|
!noPrePostAutoLoaders
|
|
) {
|
|
useLoadersPre.push(r.value);
|
|
} else if (
|
|
!r.enforce &&
|
|
!noAutoLoaders &&
|
|
!noPrePostAutoLoaders
|
|
) {
|
|
useLoaders.push(r.value);
|
|
}
|
|
} else if (
|
|
typeof r.value === "object" &&
|
|
r.value !== null &&
|
|
typeof settings[r.type] === "object" &&
|
|
settings[r.type] !== null
|
|
) {
|
|
settings[r.type] = cachedCleverMerge(settings[r.type], r.value);
|
|
} else {
|
|
settings[r.type] = r.value;
|
|
}
|
|
}
|
|
asyncLib.parallel(
|
|
[
|
|
this.resolveRequestArray.bind(
|
|
this,
|
|
contextInfo,
|
|
this.context,
|
|
useLoadersPost,
|
|
loaderResolver
|
|
),
|
|
this.resolveRequestArray.bind(
|
|
this,
|
|
contextInfo,
|
|
this.context,
|
|
useLoaders,
|
|
loaderResolver
|
|
),
|
|
this.resolveRequestArray.bind(
|
|
this,
|
|
contextInfo,
|
|
this.context,
|
|
useLoadersPre,
|
|
loaderResolver
|
|
)
|
|
],
|
|
(err, results) => {
|
|
if (err) return callback(err);
|
|
if (matchResource === undefined) {
|
|
loaders = results[0].concat(loaders, results[1], results[2]);
|
|
} else {
|
|
loaders = results[0].concat(results[1], loaders, results[2]);
|
|
}
|
|
process.nextTick(() => {
|
|
const type = settings.type;
|
|
const resolveOptions = settings.resolve;
|
|
callback(null, {
|
|
context: context,
|
|
request: loaders
|
|
.map(loaderToIdent)
|
|
.concat([resource])
|
|
.join("!"),
|
|
dependencies: data.dependencies,
|
|
userRequest,
|
|
rawRequest: request,
|
|
loaders,
|
|
resource,
|
|
matchResource,
|
|
resourceResolveData,
|
|
settings,
|
|
type,
|
|
parser: this.getParser(type, settings.parser),
|
|
generator: this.getGenerator(type, settings.generator),
|
|
resolveOptions
|
|
});
|
|
});
|
|
}
|
|
);
|
|
}
|
|
);
|
|
});
|
|
}
|
|
|
|
create(data, callback) {
|
|
const dependencies = data.dependencies;
|
|
const cacheEntry = dependencyCache.get(dependencies[0]);
|
|
if (cacheEntry) return callback(null, cacheEntry);
|
|
const context = data.context || this.context;
|
|
const resolveOptions = data.resolveOptions || EMPTY_RESOLVE_OPTIONS;
|
|
const request = dependencies[0].request;
|
|
const contextInfo = data.contextInfo || {};
|
|
this.hooks.beforeResolve.callAsync(
|
|
{
|
|
contextInfo,
|
|
resolveOptions,
|
|
context,
|
|
request,
|
|
dependencies
|
|
},
|
|
(err, result) => {
|
|
if (err) return callback(err);
|
|
|
|
// Ignored
|
|
if (!result) return callback();
|
|
|
|
const factory = this.hooks.factory.call(null);
|
|
|
|
// Ignored
|
|
if (!factory) return callback();
|
|
|
|
factory(result, (err, module) => {
|
|
if (err) return callback(err);
|
|
|
|
if (module && this.cachePredicate(module)) {
|
|
for (const d of dependencies) {
|
|
dependencyCache.set(d, module);
|
|
}
|
|
}
|
|
|
|
callback(null, module);
|
|
});
|
|
}
|
|
);
|
|
}
|
|
|
|
resolveRequestArray(contextInfo, context, array, resolver, callback) {
|
|
if (array.length === 0) return callback(null, []);
|
|
asyncLib.map(
|
|
array,
|
|
(item, callback) => {
|
|
resolver.resolve(
|
|
contextInfo,
|
|
context,
|
|
item.loader,
|
|
{},
|
|
(err, result) => {
|
|
if (
|
|
err &&
|
|
/^[^/]*$/.test(item.loader) &&
|
|
!/-loader$/.test(item.loader)
|
|
) {
|
|
return resolver.resolve(
|
|
contextInfo,
|
|
context,
|
|
item.loader + "-loader",
|
|
{},
|
|
err2 => {
|
|
if (!err2) {
|
|
err.message =
|
|
err.message +
|
|
"\n" +
|
|
"BREAKING CHANGE: It's no longer allowed to omit the '-loader' suffix when using loaders.\n" +
|
|
` You need to specify '${item.loader}-loader' instead of '${item.loader}',\n` +
|
|
" see https://webpack.js.org/migrate/3/#automatic-loader-module-name-extension-removed";
|
|
}
|
|
callback(err);
|
|
}
|
|
);
|
|
}
|
|
if (err) return callback(err);
|
|
|
|
const optionsOnly = item.options
|
|
? {
|
|
options: item.options
|
|
}
|
|
: undefined;
|
|
return callback(
|
|
null,
|
|
Object.assign({}, item, identToLoaderRequest(result), optionsOnly)
|
|
);
|
|
}
|
|
);
|
|
},
|
|
callback
|
|
);
|
|
}
|
|
|
|
getParser(type, parserOptions) {
|
|
let ident = type;
|
|
if (parserOptions) {
|
|
if (parserOptions.ident) {
|
|
ident = `${type}|${parserOptions.ident}`;
|
|
} else {
|
|
ident = JSON.stringify([type, parserOptions]);
|
|
}
|
|
}
|
|
if (ident in this.parserCache) {
|
|
return this.parserCache[ident];
|
|
}
|
|
return (this.parserCache[ident] = this.createParser(type, parserOptions));
|
|
}
|
|
|
|
createParser(type, parserOptions = {}) {
|
|
const parser = this.hooks.createParser.for(type).call(parserOptions);
|
|
if (!parser) {
|
|
throw new Error(`No parser registered for ${type}`);
|
|
}
|
|
this.hooks.parser.for(type).call(parser, parserOptions);
|
|
return parser;
|
|
}
|
|
|
|
getGenerator(type, generatorOptions) {
|
|
let ident = type;
|
|
if (generatorOptions) {
|
|
if (generatorOptions.ident) {
|
|
ident = `${type}|${generatorOptions.ident}`;
|
|
} else {
|
|
ident = JSON.stringify([type, generatorOptions]);
|
|
}
|
|
}
|
|
if (ident in this.generatorCache) {
|
|
return this.generatorCache[ident];
|
|
}
|
|
return (this.generatorCache[ident] = this.createGenerator(
|
|
type,
|
|
generatorOptions
|
|
));
|
|
}
|
|
|
|
createGenerator(type, generatorOptions = {}) {
|
|
const generator = this.hooks.createGenerator
|
|
.for(type)
|
|
.call(generatorOptions);
|
|
if (!generator) {
|
|
throw new Error(`No generator registered for ${type}`);
|
|
}
|
|
this.hooks.generator.for(type).call(generator, generatorOptions);
|
|
return generator;
|
|
}
|
|
|
|
getResolver(type, resolveOptions) {
|
|
return this.resolverFactory.get(
|
|
type,
|
|
resolveOptions || EMPTY_RESOLVE_OPTIONS
|
|
);
|
|
}
|
|
}
|
|
|
|
module.exports = NormalModuleFactory;
|