StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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55 lines
1.6 KiB
55 lines
1.6 KiB
4 years ago
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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 loaderUtils = require("loader-utils");
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var baseRegex = "\\s*[@#]\\s*sourceMappingURL=data:[^;\n]+;base64,([^\\s]*)",
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// Matches /* ... */ comments
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regex1 = new RegExp("/\\*"+baseRegex+"\\s*\\*/$"),
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// Matches // .... comments
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regex2 = new RegExp("//"+baseRegex+".*$");
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module.exports = function(input) {
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if(!this.query) throw new Error("Pass a module name as query to the transform-loader.");
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var query = loaderUtils.getOptions(this) || {};
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var callback = this.async();
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var resource = this.resource;
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var loaderContext = this;
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var q = Object.keys(query)[0];
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if(/^[0-9]+$/.test(q)) {
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next(this.options.transforms[+q]);
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} else {
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this.resolve(this.context, q, function(err, module) {
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if(err) return callback(err);
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next(require(module));
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});
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}
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function next(transformFn) {
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var stream = transformFn(resource);
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var bufs = [];
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var done = false;
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stream.on("data", function(b) {
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bufs.push(Buffer.isBuffer(b) ? b : new Buffer(b));
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});
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stream.on("end", function() {
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if(done) return;
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var b = Buffer.concat(bufs).toString();
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var match = b.match(regex1) || b.match(regex2);
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try {
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var map = match && JSON.parse((new Buffer(match[1], "base64")).toString());
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} catch(e) {
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var map = null;
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}
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done = true;
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callback(null, map ? b.replace(match[0], "") : b, map);
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});
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stream.on("error", function(err) {
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if(done) return;
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done = true;
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callback(err);
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});
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stream.write(input);
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stream.end();
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}
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};
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module.exports.raw = true;
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