webpack/lib/APIPlugin.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
var ConstDependency = require("./dependencies/ConstDependency");
var BasicEvaluatedExpression = require("./BasicEvaluatedExpression");

var NullFactory = require("./NullFactory");

function APIPlugin() {
}
module.exports = APIPlugin;

var REPLACEMENTS = {
	__webpack_public_path__: "__webpack_require__.p",
	__webpack_modules__: "__webpack_require__.m",
	__webpack_chunk_load__: "__webpack_require__.e",
	__non_webpack_require__: "require",
	"require.onError": "__webpack_require__.onError",
};
var REPLACEMENT_TYPES = {
	__webpack_public_path__: "string",
	__webpack_require__: "function",
	__webpack_modules__: "object",
	__webpack_chunk_load__: "function",
};
var IGNORES = [
];
APIPlugin.prototype.apply = function(compiler) {
	compiler.plugin("compilation", function(compilation, params) {
		compilation.dependencyFactories.set(ConstDependency, new NullFactory());
		compilation.dependencyTemplates.set(ConstDependency, new ConstDependency.Template());
	});
	Object.keys(REPLACEMENTS).forEach(function(key) {
		compiler.parser.plugin("expression "+key, function(expr) {
			var dep = new ConstDependency(REPLACEMENTS[key], expr.range);
			dep.loc = expr.loc;
			this.state.current.addDependency(dep);
			return true;
		});
		compiler.parser.plugin("evaluate typeof "+key, function(expr) {
			return new BasicEvaluatedExpression().setString(REPLACEMENT_TYPES[key]).setRange(expr.range);
		});
	});
	IGNORES.forEach(function(key) {
		compiler.parser.plugin(key, function(expr) {
			return true;
		});
	});
};