main
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Last change
on this file since d24f17c was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
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Initial commit
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File size:
988 bytes
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| 1 | import { Key } from '../../Any/Key';
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| 2 | import { Readonly as OReadonly } from '../Readonly';
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| 3 | import { List } from '../../List/List';
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| 4 | import { BuiltIn } from '../../Misc/BuiltIn';
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| 5 | import { Tail } from '../../List/Tail';
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| 6 | import { Depth } from '../_Internal';
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| 7 | /**
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| 8 | * @hidden
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| 9 | */
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| 10 | declare type ReadonlyAt<O, Path extends List<Key>, depth extends Depth> = O extends BuiltIn ? O : Path extends [Key] ? O extends List ? OReadonly<O, Path[0], depth> : O extends object ? OReadonly<O, Path[0], depth> : O : {
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| 11 | [K in keyof O]: K extends Path[0] ? ReadonlyAt<O[K], Tail<Path>, depth> : O[K];
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| 12 | };
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| 13 | /**
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| 14 | * Make some fields of `O` readonly at `Path` (deeply or not)
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| 15 | * @param O to make readonly
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| 16 | * @param Path to be followed
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| 17 | * @param depth (?=`'flat'`) 'deep' to do it deeply
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| 18 | * @returns [[Object]]
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| 19 | * @example
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| 20 | * ```ts
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| 21 | * ```
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| 22 | */
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| 23 | export declare type Readonly<O extends object, Path extends List<Key>, depth extends Depth = 'flat'> = Path extends unknown ? ReadonlyAt<O, Path, depth> : never;
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| 24 | export {};
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