|
1
|
|
|
import { ClassValue } from "../../defs" |
|
2
|
|
|
|
|
3
|
|
|
export {} |
|
4
|
|
|
|
|
5
|
|
|
type tExcluder< |
|
6
|
|
|
Source extends Record<string, ClassValue>, |
|
7
|
|
|
Left extends Record<string, ClassValue> = Source, |
|
8
|
|
|
Used extends Record<string, ClassValue> = Record<never, ClassValue>, |
|
9
|
|
|
> |
|
10
|
|
|
= ( |
|
11
|
|
|
< |
|
12
|
|
|
// E extends |
|
13
|
|
|
E extends {[K in keyof Left]?: ClassValue} & {[K in keyof Used]?: never} |
|
14
|
|
|
// E extends string extends keyof Left |
|
15
|
|
|
// ? {[K in keyof Used]: never} |
|
16
|
|
|
// : {[K in keyof Left]?: ClassValue} |
|
17
|
|
|
>(exclude: E) => |
|
18
|
|
|
// keyof E extends keyof S ? |
|
19
|
|
|
{ [K in Exclude<keyof Left, keyof E>]: ClassValue; } |
|
20
|
|
|
& tExcluder< |
|
21
|
|
|
Source, |
|
22
|
|
|
{ [P in Exclude<keyof Left, keyof E>]: ClassValue; }, |
|
23
|
|
|
{ [P in keyof Used | keyof E]: ClassValue; } |
|
24
|
|
|
> |
|
25
|
|
|
// : {[P in Exclude<keyof E, keyof S>]: never;} |
|
26
|
|
|
); |
|
27
|
|
|
|
|
28
|
|
|
|
|
29
|
|
|
function exclusion< |
|
30
|
|
|
S extends Record<string, ClassValue>, |
|
31
|
|
|
E extends {[K in keyof S]?: ClassValue} |
|
32
|
|
|
>( |
|
33
|
|
|
source: S, ex: E |
|
34
|
|
|
) { |
|
35
|
|
|
|
|
36
|
|
|
const filtered = {...source} |
|
37
|
|
|
for (const k in ex) { |
|
38
|
|
|
delete filtered[k] |
|
39
|
|
|
} |
|
40
|
|
|
|
|
41
|
|
|
const host = ( |
|
42
|
|
|
e: { [P in Exclude<keyof S, keyof E>]?: ClassValue; } |
|
43
|
|
|
) => exclusion( |
|
44
|
|
|
filtered as { [P in Exclude<keyof S, keyof E>]: ClassValue; }, |
|
45
|
|
|
e |
|
46
|
|
|
) |
|
47
|
|
|
|
|
48
|
|
|
for (const key in filtered) |
|
49
|
|
|
//@ts-expect-error |
|
50
|
|
|
host[key] |
|
51
|
|
|
= filtered[key] |
|
52
|
|
|
|
|
53
|
|
|
return host as tExcluder< |
|
54
|
|
|
S, |
|
55
|
|
|
{[P in Exclude<keyof S, keyof E>]: ClassValue;} |
|
56
|
|
|
> |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
const source: Record<"a"|"b"|"c"|"d"|"e", ClassValue> = {a: "a", b: undefined, c: "c", d: undefined, e: undefined} |
|
60
|
|
|
|
|
61
|
|
|
const step0 = exclusion( |
|
62
|
|
|
source, |
|
63
|
|
|
//@ts-expect-error 'z' does not exist in type |
|
64
|
|
|
{z: undefined} |
|
65
|
|
|
) |
|
66
|
|
|
, answ0: typeof step0 = { |
|
67
|
|
|
//@ts-expect-error |
|
68
|
|
|
whatever: true |
|
69
|
|
|
} |
|
70
|
|
|
, step1 = exclusion(source, {a: "a", b: undefined}) |
|
71
|
|
|
|
|
72
|
|
|
//@ts-expect-error |
|
73
|
|
|
step1({"c": undefined, "z": undefined}) |
|
74
|
|
|
() |
|
75
|
|
|
|
|
76
|
|
|
const step2 = step1({"c": undefined}) |
|
77
|
|
|
//@ts-expect-error |
|
78
|
|
|
, {c} = step2 |
|
79
|
|
|
, step3 = {...step2({ |
|
80
|
|
|
//@ts-expect-error |
|
81
|
|
|
"z": "" |
|
82
|
|
|
})} |
|
83
|
|
|
, result = {...step2} |
|
84
|
|
|
, checks: Record<string, typeof result> = { |
|
85
|
|
|
"output": {d: "", e: ""}, |
|
86
|
|
|
"unknown": { |
|
87
|
|
|
//@ts-expect-error |
|
88
|
|
|
unknown: "" |
|
89
|
|
|
}, |
|
90
|
|
|
//@ts-expect-error |
|
91
|
|
|
"lost": { |
|
92
|
|
|
d: "" |
|
93
|
|
|
}, |
|
94
|
|
|
"previously ommited": { |
|
95
|
|
|
d: "", e: "", |
|
96
|
|
|
//@ts-expect-error |
|
97
|
|
|
a: "" |
|
98
|
|
|
} |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
const unknown0 = exclusion({} as Record<string, ClassValue>, {a: "a"}) |
|
102
|
|
|
//todo @ts-error |
|
103
|
|
|
, unknown1 = unknown0({a: "a"}) |
|
104
|
|
|
|
|
105
|
|
|
export {answ0, step3, checks, unknown1} |
|
106
|
|
|
|
askirmas /
react-classnaming
