vue hello world项目
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Ivan Kopeykin @vankop
*/
"use strict";
const IgnoreErrorModuleFactory = require("./IgnoreErrorModuleFactory");
const WebpackIsIncludedDependency = require("./dependencies/WebpackIsIncludedDependency");
const {
toConstantDependency
} = require("./javascript/JavascriptParserHelpers");
/** @typedef {import("enhanced-resolve/lib/Resolver")} Resolver */
/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./Module")} Module */
/** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */
class WebpackIsIncludedPlugin {
/**
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(
"WebpackIsIncludedPlugin",
(compilation, { normalModuleFactory }) => {
compilation.dependencyFactories.set(
WebpackIsIncludedDependency,
new IgnoreErrorModuleFactory(normalModuleFactory)
);
compilation.dependencyTemplates.set(
WebpackIsIncludedDependency,
new WebpackIsIncludedDependency.Template()
);
/**
* @param {JavascriptParser} parser the parser
* @returns {void}
*/
const handler = parser => {
parser.hooks.call
.for("__webpack_is_included__")
.tap("WebpackIsIncludedPlugin", expr => {
if (
expr.type !== "CallExpression" ||
expr.arguments.length !== 1 ||
expr.arguments[0].type === "SpreadElement"
)
return;
const request = parser.evaluateExpression(expr.arguments[0]);
if (!request.isString()) return;
const dep = new WebpackIsIncludedDependency(
request.string,
expr.range
);
dep.loc = expr.loc;
parser.state.module.addDependency(dep);
return true;
});
parser.hooks.typeof
.for("__webpack_is_included__")
.tap(
"WebpackIsIncludedPlugin",
toConstantDependency(parser, JSON.stringify("function"))
);
};
normalModuleFactory.hooks.parser
.for("javascript/auto")
.tap("WebpackIsIncludedPlugin", handler);
normalModuleFactory.hooks.parser
.for("javascript/dynamic")
.tap("WebpackIsIncludedPlugin", handler);
normalModuleFactory.hooks.parser
.for("javascript/esm")
.tap("WebpackIsIncludedPlugin", handler);
}
);
}
}
module.exports = WebpackIsIncludedPlugin;