1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
/* eslint no-new-func: "off" */
export const subClassArray = (function () {
try {
// try es6 subclassing
return Function('name', 'baseClass', '_constructor', [
'baseClass = baseClass || Array',
'return {',
'[name]: class extends baseClass {',
'constructor (...args) {',
'super(...args)',
'_constructor && _constructor.apply(this, args)',
'}',
'}',
'}[name]'
].join('\n'))
} catch (e) {
// Use es5 approach
return (name, baseClass = Array, _constructor) => {
const Arr = function () {
baseClass.apply(this, arguments)
_constructor && _constructor.apply(this, arguments)
}
Arr.prototype = Object.create(baseClass.prototype)
Arr.prototype.constructor = Arr
return Arr
}
}
})()
|
