StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.1 KiB
59 lines
1.1 KiB
'use strict';
|
|
|
|
var once = require('once');
|
|
|
|
var helpers = require('./helpers');
|
|
|
|
function mapSeries(values, iterator, extensions, done){
|
|
// allow for extensions to not be specified
|
|
if(typeof extensions === 'function'){
|
|
done = extensions;
|
|
extensions = {};
|
|
}
|
|
|
|
// handle no callback case
|
|
if(typeof done !== 'function'){
|
|
done = helpers.noop;
|
|
}
|
|
|
|
done = once(done);
|
|
|
|
// will throw if non-object
|
|
var keys = Object.keys(values);
|
|
var length = keys.length;
|
|
var idx = 0;
|
|
// return the same type as passed in
|
|
var results = helpers.initializeResults(values);
|
|
|
|
var exts = helpers.defaultExtensions(extensions);
|
|
|
|
var key = keys[idx];
|
|
next(key);
|
|
|
|
function next(key){
|
|
var value = values[key];
|
|
|
|
var storage = exts.create(value, key) || {};
|
|
|
|
exts.before(storage);
|
|
iterator(value, once(handler));
|
|
|
|
function handler(err, result){
|
|
if(err){
|
|
exts.error(err, storage);
|
|
return done(err, results);
|
|
}
|
|
|
|
exts.after(result, storage);
|
|
results[key] = result;
|
|
|
|
if(++idx >= length){
|
|
done(err, results);
|
|
} else {
|
|
next(keys[idx]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports = mapSeries;
|
|
|