All files / src/reactivity date.js

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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
import { source, set } from '../internal/client/reactivity/sources.js';
import { get } from '../internal/client/runtime.js';

/** @type {Array<keyof Date>} */
const read = [
	'getDate',
	'getDay',
	'getFullYear',
	'getHours',
	'getMilliseconds',
	'getMinutes',
	'getMonth',
	'getSeconds',
	'getTime',
	'getTimezoneOffset',
	'getUTCDate',
	'getUTCDay',
	'getUTCFullYear',
	'getUTCHours',
	'getUTCMilliseconds',
	'getUTCMinutes',
	'getUTCMonth',
	'getUTCSeconds',
	// @ts-expect-error this is deprecated
	'getYear',
	'toDateString',
	'toISOString',
	'toJSON',
	'toLocaleDateString',
	'toLocaleString',
	'toLocaleTimeString',
	'toString',
	'toTimeString',
	'toUTCString'
];

/** @type {Array<keyof Date>} */
const write = [
	'setDate',
	'setFullYear',
	'setHours',
	'setMilliseconds',
	'setMinutes',
	'setMonth',
	'setSeconds',
	'setTime',
	'setUTCDate',
	'setUTCFullYear',
	'setUTCHours',
	'setUTCMilliseconds',
	'setUTCMinutes',
	'setUTCMonth',
	'setUTCSeconds',
	// @ts-expect-error this is deprecated
	'setYear'
];

var inited = false;

export class ReactiveDate extends Date {
	#raw_time = source(super.getTime());

	// We init as part of the first instance so that we can treeshake this class
	#init() {
		if (!inited) {
			inited = true;
			const proto = ReactiveDate.prototype;
			const date_proto = Date.prototype;

			for (const method of read) {
				// @ts-ignore
				proto[method] = function (...args) {
					get(this.#raw_time);
					// @ts-ignore
					return date_proto[method].apply(this, args);
				};
			}

			for (const method of write) {
				// @ts-ignore
				proto[method] = function (...args) {
					// @ts-ignore
					const v = date_proto[method].apply(this, args);
					const time = date_proto.getTime.call(this);
					if (time !== this.#raw_time.v) {
						set(this.#raw_time, time);
					}
					return v;
				};
			}
		}
	}

	/**
	 * @param {any[]} values
	 */
	constructor(...values) {
		// @ts-ignore
		super(...values);
		this.#init();
	}
}