133 lines
4 KiB
JavaScript
133 lines
4 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const path = require("path");
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const ContextElementDependency = require("./dependencies/ContextElementDependency");
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class ContextReplacementPlugin {
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constructor(
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resourceRegExp,
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newContentResource,
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newContentRecursive,
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newContentRegExp
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) {
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this.resourceRegExp = resourceRegExp;
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if (typeof newContentResource === "function") {
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this.newContentCallback = newContentResource;
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} else if (
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typeof newContentResource === "string" &&
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typeof newContentRecursive === "object"
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) {
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this.newContentResource = newContentResource;
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this.newContentCreateContextMap = (fs, callback) => {
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callback(null, newContentRecursive);
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};
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} else if (
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typeof newContentResource === "string" &&
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typeof newContentRecursive === "function"
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) {
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this.newContentResource = newContentResource;
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this.newContentCreateContextMap = newContentRecursive;
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} else {
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if (typeof newContentResource !== "string") {
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newContentRegExp = newContentRecursive;
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newContentRecursive = newContentResource;
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newContentResource = undefined;
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}
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if (typeof newContentRecursive !== "boolean") {
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newContentRegExp = newContentRecursive;
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newContentRecursive = undefined;
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}
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this.newContentResource = newContentResource;
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this.newContentRecursive = newContentRecursive;
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this.newContentRegExp = newContentRegExp;
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}
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}
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apply(compiler) {
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const resourceRegExp = this.resourceRegExp;
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const newContentCallback = this.newContentCallback;
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const newContentResource = this.newContentResource;
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const newContentRecursive = this.newContentRecursive;
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const newContentRegExp = this.newContentRegExp;
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const newContentCreateContextMap = this.newContentCreateContextMap;
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compiler.hooks.contextModuleFactory.tap("ContextReplacementPlugin", cmf => {
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cmf.hooks.beforeResolve.tap("ContextReplacementPlugin", result => {
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if (!result) return;
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if (resourceRegExp.test(result.request)) {
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if (newContentResource !== undefined) {
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result.request = newContentResource;
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}
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if (newContentRecursive !== undefined) {
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result.recursive = newContentRecursive;
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}
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if (newContentRegExp !== undefined) {
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result.regExp = newContentRegExp;
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}
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if (typeof newContentCallback === "function") {
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newContentCallback(result);
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} else {
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for (const d of result.dependencies) {
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if (d.critical) d.critical = false;
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}
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}
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}
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return result;
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});
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cmf.hooks.afterResolve.tap("ContextReplacementPlugin", result => {
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if (!result) return;
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if (resourceRegExp.test(result.resource)) {
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if (newContentResource !== undefined) {
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result.resource = path.resolve(result.resource, newContentResource);
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}
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if (newContentRecursive !== undefined) {
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result.recursive = newContentRecursive;
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}
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if (newContentRegExp !== undefined) {
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result.regExp = newContentRegExp;
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}
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if (typeof newContentCreateContextMap === "function") {
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result.resolveDependencies = createResolveDependenciesFromContextMap(
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newContentCreateContextMap
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);
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}
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if (typeof newContentCallback === "function") {
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const origResource = result.resource;
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newContentCallback(result);
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if (result.resource !== origResource) {
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result.resource = path.resolve(origResource, result.resource);
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}
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} else {
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for (const d of result.dependencies) {
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if (d.critical) d.critical = false;
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}
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}
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}
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return result;
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});
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});
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}
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}
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const createResolveDependenciesFromContextMap = createContextMap => {
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const resolveDependenciesFromContextMap = (fs, options, callback) => {
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createContextMap(fs, (err, map) => {
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if (err) return callback(err);
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const dependencies = Object.keys(map).map(key => {
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return new ContextElementDependency(
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map[key] + options.resourceQuery,
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key
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);
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});
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callback(null, dependencies);
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});
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};
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return resolveDependenciesFromContextMap;
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};
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module.exports = ContextReplacementPlugin;
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