mirror of https://github.com/webpack/webpack.git
70 lines
2.6 KiB
JavaScript
70 lines
2.6 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 RequireResolveDependency = require("./RequireResolveDependency");
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var RequireResolveContextDependency = require("./RequireResolveContextDependency");
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var RequireResolveHeaderDependency = require("./RequireResolveHeaderDependency");
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var ContextDependencyHelpers = require("./ContextDependencyHelpers");
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function RequireResolveDependencyParserPlugin(options) {
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this.options = options;
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}
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module.exports = RequireResolveDependencyParserPlugin;
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RequireResolveDependencyParserPlugin.prototype.apply = function(parser) {
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var options = this.options;
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parser.plugin("call require.resolve", function(expr) {
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return this.applyPluginsBailResult("call require.resolve(Weak)", expr, false);
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});
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parser.plugin("call require.resolveWeak", function(expr) {
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return this.applyPluginsBailResult("call require.resolve(Weak)", expr, true);
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});
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parser.plugin("call require.resolve(Weak)", function(expr, weak) {
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if(expr.arguments.length !== 1) return;
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var param = this.evaluateExpression(expr.arguments[0]);
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var dep;
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if(param.isConditional()) {
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param.options.forEach(function(option) {
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var result = this.applyPluginsBailResult("call require.resolve(Weak):item", expr, option, weak);
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if(result === undefined) {
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this.applyPluginsBailResult("call require.resolve(Weak):context", expr, option, weak);
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}
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}, this);
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dep = new RequireResolveHeaderDependency(expr.callee.range);
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dep.loc = expr.loc;
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this.state.current.addDependency(dep);
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return true;
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} else {
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var result = this.applyPluginsBailResult("call require.resolve(Weak):item", expr, param, weak);
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if(result === undefined) {
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this.applyPluginsBailResult("call require.resolve(Weak):context", expr, param, weak);
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}
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dep = new RequireResolveHeaderDependency(expr.callee.range);
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dep.loc = expr.loc;
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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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parser.plugin("call require.resolve(Weak):item", function(expr, param, weak) {
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if(param.isString()) {
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var dep = new RequireResolveDependency(param.string, param.range);
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dep.loc = expr.loc;
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dep.optional = !!this.scope.inTry;
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dep.weak = weak;
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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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parser.plugin("call require.resolve(Weak):context", function(expr, param, weak) {
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var dep = ContextDependencyHelpers.create(RequireResolveContextDependency, param.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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dep.weak = weak;
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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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