mirror of https://github.com/webpack/webpack.git
79 lines
2.8 KiB
JavaScript
79 lines
2.8 KiB
JavaScript
/*
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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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var AbstractPlugin = require("../AbstractPlugin");
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var LabeledModuleDependency = require("./LabeledModuleDependency");
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var LabeledExportsDependency = require("./LabeledExportsDependency");
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module.exports = AbstractPlugin.create({
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"label require": function(stmt) {
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if(stmt.body.type !== "ExpressionStatement") return;
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switch(stmt.body.expression.type) {
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case "Literal":
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var param = this.evaluateExpression(stmt.body.expression);
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return this.applyPluginsBailResult("label require:item", stmt, param);
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case "SequenceExpression":
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stmt.body.expression.expressions.forEach(function(expression) {
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var param = this.evaluateExpression(expression);
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return this.applyPluginsBailResult("label require:item", stmt, param);
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}, this);
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return true;
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}
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},
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"label require:item": function(stmt, param) {
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if(param.isString()) {
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var dep = new LabeledModuleDependency(param.string, stmt.range);
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dep.loc = stmt.loc;
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dep.optional = !!this.scope.inTry;
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this.state.current.addDependency(dep);
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return true;
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}
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},
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"label exports": function(stmt) {
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var name;
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var dep;
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switch(stmt.body.type) {
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case "VariableDeclaration":
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stmt.body.declarations.forEach(function(decl) {
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if(!decl.init) return;
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var dep = new LabeledExportsDependency(decl.id.name, decl.init.range[0]);
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dep.loc = stmt.loc;
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this.state.current.addDependency(dep);
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if(!this.state.module.meta.exports) this.state.module.meta.exports = [];
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this.state.module.meta.exports.push(decl.id.name);
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}, this);
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return true;
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case "FunctionDeclaration":
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name = stmt.body.id.name;
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dep = new LabeledExportsDependency(name, stmt.body.range[0]);
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dep.loc = stmt.loc;
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this.state.current.addDependency(dep);
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if(!this.state.module.meta.exports) this.state.module.meta.exports = [];
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this.state.module.meta.exports.push(name);
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return true;
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case "ExpressionStatement":
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if(stmt.body.expression.type === "Identifier") {
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name = stmt.body.expression.name;
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dep = new LabeledExportsDependency(name, stmt.body.expression.range[0]);
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dep.loc = stmt.loc;
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this.state.current.addDependency(dep);
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if(!this.state.module.meta.exports) this.state.module.meta.exports = [];
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this.state.module.meta.exports.push(name);
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return true;
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} else if(stmt.body.expression.type === "SequenceExpression") {
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stmt.body.expression.expressions.forEach(function(e) {
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if(e.type !== "Identifier") return;
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name = e.name;
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dep = new LabeledExportsDependency(name, e.range[0]);
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dep.loc = stmt.loc;
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this.state.current.addDependency(dep);
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if(!this.state.module.meta.exports) this.state.module.meta.exports = [];
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this.state.module.meta.exports.push(name);
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}, this);
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return true;
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}
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}
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}
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});
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