75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
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/*
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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 RequireEnsureItemDependency = require("./RequireEnsureItemDependency");
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const RequireEnsureDependency = require("./RequireEnsureDependency");
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const NullFactory = require("../NullFactory");
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const RequireEnsureDependenciesBlockParserPlugin = require("./RequireEnsureDependenciesBlockParserPlugin");
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const ParserHelpers = require("../ParserHelpers");
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class RequireEnsurePlugin {
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apply(compiler) {
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compiler.hooks.compilation.tap(
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"RequireEnsurePlugin",
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(compilation, { normalModuleFactory }) => {
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compilation.dependencyFactories.set(
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RequireEnsureItemDependency,
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normalModuleFactory
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);
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compilation.dependencyTemplates.set(
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RequireEnsureItemDependency,
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new RequireEnsureItemDependency.Template()
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);
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compilation.dependencyFactories.set(
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RequireEnsureDependency,
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new NullFactory()
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);
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compilation.dependencyTemplates.set(
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RequireEnsureDependency,
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new RequireEnsureDependency.Template()
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);
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const handler = (parser, parserOptions) => {
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if (
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parserOptions.requireEnsure !== undefined &&
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!parserOptions.requireEnsure
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)
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return;
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new RequireEnsureDependenciesBlockParserPlugin().apply(parser);
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parser.hooks.evaluateTypeof
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.for("require.ensure")
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.tap(
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"RequireEnsurePlugin",
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ParserHelpers.evaluateToString("function")
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);
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parser.hooks.typeof
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.for("require.ensure")
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.tap(
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"RequireEnsurePlugin",
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ParserHelpers.toConstantDependency(
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parser,
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JSON.stringify("function")
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)
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);
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};
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normalModuleFactory.hooks.parser
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.for("javascript/auto")
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.tap("RequireEnsurePlugin", handler);
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normalModuleFactory.hooks.parser
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.for("javascript/dynamic")
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.tap("RequireEnsurePlugin", handler);
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}
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);
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}
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}
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module.exports = RequireEnsurePlugin;
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