vue hello world项目
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const createSchemaValidation = require("./util/create-schema-validation");
/** @typedef {import("../declarations/plugins/IgnorePlugin").IgnorePluginOptions} IgnorePluginOptions */
/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./NormalModuleFactory").ResolveData} ResolveData */
const validate = createSchemaValidation(
require("../schemas/plugins/IgnorePlugin.check.js"),
() => require("../schemas/plugins/IgnorePlugin.json"),
{
name: "Ignore Plugin",
baseDataPath: "options"
}
);
class IgnorePlugin {
/**
* @param {IgnorePluginOptions} options IgnorePlugin options
*/
constructor(options) {
validate(options);
this.options = options;
/** @private @type {Function} */
this.checkIgnore = this.checkIgnore.bind(this);
}
/**
* Note that if "contextRegExp" is given, both the "resourceRegExp"
* and "contextRegExp" have to match.
*
* @param {ResolveData} resolveData resolve data
* @returns {false|undefined} returns false when the request should be ignored, otherwise undefined
*/
checkIgnore(resolveData) {
if (
"checkResource" in this.options &&
this.options.checkResource &&
this.options.checkResource(resolveData.request, resolveData.context)
) {
return false;
}
if (
"resourceRegExp" in this.options &&
this.options.resourceRegExp &&
this.options.resourceRegExp.test(resolveData.request)
) {
if ("contextRegExp" in this.options && this.options.contextRegExp) {
// if "contextRegExp" is given,
// both the "resourceRegExp" and "contextRegExp" have to match.
if (this.options.contextRegExp.test(resolveData.context)) {
return false;
}
} else {
return false;
}
}
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.normalModuleFactory.tap("IgnorePlugin", nmf => {
nmf.hooks.beforeResolve.tap("IgnorePlugin", this.checkIgnore);
});
compiler.hooks.contextModuleFactory.tap("IgnorePlugin", cmf => {
cmf.hooks.beforeResolve.tap("IgnorePlugin", this.checkIgnore);
});
}
}
module.exports = IgnorePlugin;