mirror of https://github.com/webpack/webpack.git
49 lines
1.8 KiB
JavaScript
49 lines
1.8 KiB
JavaScript
/*
|
|
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 ConstPlugin() {
|
|
}
|
|
module.exports = ConstPlugin;
|
|
|
|
ConstPlugin.prototype.apply = function(compiler) {
|
|
compiler.plugin("compilation", function(compilation, params) {
|
|
compilation.dependencyFactories.set(ConstDependency, new NullFactory());
|
|
compilation.dependencyTemplates.set(ConstDependency, new ConstDependency.Template());
|
|
});
|
|
compiler.parser.plugin("statement if", function(statement) {
|
|
var param = this.evaluateExpression(statement.test);
|
|
var bool = param.asBool();
|
|
if(typeof bool === "boolean") {
|
|
if(statement.test.type !== "Literal")
|
|
this.state.current.addDependency(new ConstDependency(bool + "", param.range));
|
|
return bool;
|
|
}
|
|
});
|
|
compiler.parser.plugin("expression ?:", function(expression) {
|
|
var param = this.evaluateExpression(expression.test);
|
|
var bool = param.asBool();
|
|
if(typeof bool === "boolean") {
|
|
if(expression.test.type !== "Literal")
|
|
this.state.current.addDependency(new ConstDependency(bool + "", param.range));
|
|
return bool;
|
|
}
|
|
});
|
|
compiler.parser.plugin("evaluate Identifier __resourceQuery", function(expr) {
|
|
if(!this.state.module) return;
|
|
var res = new BasicEvaluatedExpression();
|
|
res.setString(this.state.module.splitQuery(this.state.module.resource)[1]);
|
|
res.setRange(expr.range);
|
|
return res;
|
|
});
|
|
compiler.parser.plugin("expression __resourceQuery", function(expr) {
|
|
if(!this.state.module) return;
|
|
this.state.current.addVariable("__resourceQuery", JSON.stringify(this.state.module.splitQuery(this.state.module.resource)[1]));
|
|
return true;
|
|
});
|
|
}; |