mirror of https://github.com/webpack/webpack.git
36 lines
1.2 KiB
JavaScript
36 lines
1.2 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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var ImportContextDependency = require("./ImportContextDependency");
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var ImportDependenciesBlock = require("./ImportDependenciesBlock");
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var ContextDependencyHelpers = require("./ContextDependencyHelpers");
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function ImportParserPlugin(options) {
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this.options = options;
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}
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module.exports = ImportParserPlugin;
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ImportParserPlugin.prototype.apply = function(parser) {
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var options = this.options;
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parser.plugin(["call System.import", "import-call"], function(expr) {
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if(expr.arguments.length !== 1)
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throw new Error("Incorrect number of arguments provided to 'import(module: string) -> Promise'.");
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var dep;
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var param = this.evaluateExpression(expr.arguments[0]);
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if(param.isString()) {
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var depBlock = new ImportDependenciesBlock(param.string, expr.range, this.state.module, expr.loc);
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this.state.current.addBlock(depBlock);
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return true;
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} else {
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dep = ContextDependencyHelpers.create(ImportContextDependency, expr.range, param, expr, options);
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if(!dep) return;
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dep.loc = expr.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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};
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