45 lines
1.6 KiB
JavaScript
45 lines
1.6 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 concord = require("./concord");
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var DescriptionFileUtils = require("./DescriptionFileUtils");
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var createInnerCallback = require("./createInnerCallback");
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var getInnerRequest = require("./getInnerRequest");
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function ConcordModulesPlugin(source, options, target) {
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this.source = source;
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this.options = options;
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this.target = target;
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}
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module.exports = ConcordModulesPlugin;
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ConcordModulesPlugin.prototype.apply = function(resolver) {
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var target = this.target;
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resolver.plugin(this.source, function(request, callback) {
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var innerRequest = getInnerRequest(resolver, request);
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if(!innerRequest) return callback();
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var concordField = DescriptionFileUtils.getField(request.descriptionFileData, "concord");
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if(!concordField) return callback();
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var data = concord.matchModule(request.context, concordField, innerRequest);
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if(data === innerRequest) return callback();
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if(data === undefined) return callback();
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if(data === false) {
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var ignoreObj = Object.assign({}, request, {
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path: false
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});
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return callback(null, ignoreObj);
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}
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var obj = Object.assign({}, request, {
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path: request.descriptionFileRoot,
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request: data
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});
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resolver.doResolve(target, obj, "aliased from description file " + request.descriptionFilePath + " with mapping '" + innerRequest + "' to '" + data + "'", createInnerCallback(function(err, result) {
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if(arguments.length > 0) return callback(err, result);
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// Don't allow other aliasing or raw request
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callback(null, null);
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}, callback));
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});
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};
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