Sha256: 48e4d1e27284d029325a8305ec24301c39521633f740d7606d98a139bedcda42
Contents?: true
Size: 1.98 KB
Versions: 27
Compression:
Stored size: 1.98 KB
Contents
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const ConstDependency = require("./dependencies/ConstDependency");
const NullFactory = require("./NullFactory");
/** @typedef {import("./Compiler")} Compiler */
class CompatibilityPlugin {
/**
* Apply the plugin
* @param {Compiler} compiler Webpack Compiler
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(
"CompatibilityPlugin",
(compilation, { normalModuleFactory }) => {
compilation.dependencyFactories.set(ConstDependency, new NullFactory());
compilation.dependencyTemplates.set(
ConstDependency,
new ConstDependency.Template()
);
normalModuleFactory.hooks.parser
.for("javascript/auto")
.tap("CompatibilityPlugin", (parser, parserOptions) => {
if (
parserOptions.browserify !== undefined &&
!parserOptions.browserify
)
return;
parser.hooks.call
.for("require")
.tap("CompatibilityPlugin", expr => {
// support for browserify style require delegator: "require(o, !0)"
if (expr.arguments.length !== 2) return;
const second = parser.evaluateExpression(expr.arguments[1]);
if (!second.isBoolean()) return;
if (second.asBool() !== true) return;
const dep = new ConstDependency("require", expr.callee.range);
dep.loc = expr.loc;
if (parser.state.current.dependencies.length > 1) {
const last =
parser.state.current.dependencies[
parser.state.current.dependencies.length - 1
];
if (
last.critical &&
last.options &&
last.options.request === "." &&
last.userRequest === "." &&
last.options.recursive
)
parser.state.current.dependencies.pop();
}
parser.state.current.addDependency(dep);
return true;
});
});
}
);
}
}
module.exports = CompatibilityPlugin;
Version data entries
27 entries across 26 versions & 9 rubygems