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.
56 lines
1.2 KiB
56 lines
1.2 KiB
4 years ago
|
'use strict';
|
||
|
|
|
||
|
|
var noop = function() {};
|
||
|
|
|
||
|
|
function ensureFunction(value) {
|
||
|
|
return typeof value === 'function' ? value : noop;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = function(node, fn, context) {
|
||
|
|
function walk(node) {
|
||
|
|
enter.call(context, node);
|
||
|
|
|
||
|
|
switch (node.type) {
|
||
|
|
case 'Group':
|
||
|
|
node.terms.forEach(walk);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'Function':
|
||
|
|
case 'Parentheses':
|
||
|
|
walk(node.children);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'Keyword':
|
||
|
|
case 'Type':
|
||
|
|
case 'Property':
|
||
|
|
case 'Combinator':
|
||
|
|
case 'Comma':
|
||
|
|
case 'Slash':
|
||
|
|
case 'String':
|
||
|
|
case 'Percent':
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
throw new Error('Unknown type: ' + node.type);
|
||
|
|
}
|
||
|
|
|
||
|
|
leave.call(context, node);
|
||
|
|
}
|
||
|
|
|
||
|
|
var enter = noop;
|
||
|
|
var leave = noop;
|
||
|
|
|
||
|
|
if (typeof fn === 'function') {
|
||
|
|
enter = fn;
|
||
|
|
} else if (fn) {
|
||
|
|
enter = ensureFunction(fn.enter);
|
||
|
|
leave = ensureFunction(fn.leave);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (enter === noop && leave === noop) {
|
||
|
|
throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\'t a function');
|
||
|
|
}
|
||
|
|
|
||
|
|
walk(node, context);
|
||
|
|
};
|