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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75 lines
2.0 KiB
75 lines
2.0 KiB
4 years ago
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'use strict';
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var debug = require('debug')('base:templates:helper');
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var utils = require('../utils');
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module.exports = function(app, collection) {
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var single = collection.options.inflection;
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/**
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* Create an async helper for getting a view from a collection.
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*
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* ```html
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* <%%= page("foo.tmpl") %>
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* ```
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* @param {String} `name` The name or path of the view to get.
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* @param {String} `singular` Singular name of the collection.
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* @api public
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*/
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app.asyncHelper(single, function viewHelper(name, locals, options, cb) {
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this.app.emit('helper', single + ' helper > rendering "' + name + '"');
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debug('"%s" searching for "%s"', single, name);
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if (typeof locals === 'function') {
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return viewHelper.call(this, name, {}, {}, locals);
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}
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if (typeof options === 'function') {
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return viewHelper.call(this, name, locals, {}, options);
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}
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options = options || {};
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locals = locals || {};
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var opts = helperOptions.call(this, locals, options);
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var views = this.app[collection.options.plural] || app[collection.options.plural];
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var view = views.getView(name, opts);
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if (!view) {
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utils.helperError(this.app, single, name, cb);
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return;
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}
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debug('"%s" pre-rendering "%s"', single, name);
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view._context = this.ctx(view, locals, opts);
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view.render(function(err, res) {
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if (err) return cb(err);
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debug('"%s" rendered "%s"', single, name);
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cb(null, res.content);
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});
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});
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};
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/**
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* Create an options object from:
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*
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* - helper `locals`
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* - helper `options`
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* - options `hash` if it's registered as a handlebars helper
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* - context options (`this.options`), created from options define on `app.option()`.
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*
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* @param {Object} `locals`
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* @param {Object} `options`
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* @return {Object}
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*/
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function helperOptions(locals, options) {
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var hash = options.hash || locals.hash || {};
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var opts = utils.merge({}, this.options, hash);
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opts.hash = hash;
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return opts;
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}
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