@oazmi/build-tools
Version:
general deno build tool scripts which I practically use in all of my typescript repos
38 lines • 1.33 kB
TypeScript
/**
* Determines whether the source array contains the needle array.
*
* The complexity of this function is `O(source.length * needle.length)`.
*
* @param source Source array to check.
* @param needle Needle array to check for.
* @param start Start index in the source array to begin the search. Defaults to
* 0.
* @returns `true` if the source array contains the needle array, `false`
* otherwise.
*
* @example Basic usage
* ```ts
* import { includesNeedle } from "@std/bytes/includes-needle";
* import { assertEquals } from "@std/assert";
*
* const source = new Uint8Array([0, 1, 2, 1, 2, 1, 2, 3]);
* const needle = new Uint8Array([1, 2]);
*
* assertEquals(includesNeedle(source, needle), true);
* ```
*
* @example Start index
* ```ts
* import { includesNeedle } from "@std/bytes/includes-needle";
* import { assertEquals } from "@std/assert";
*
* const source = new Uint8Array([0, 1, 2, 1, 2, 1, 2, 3]);
* const needle = new Uint8Array([1, 2]);
*
* assertEquals(includesNeedle(source, needle, 3), true);
* assertEquals(includesNeedle(source, needle, 6), false);
* ```
* The search will start at the specified index in the source array.
*/
export declare function includesNeedle(source: Uint8Array, needle: Uint8Array, start?: number): boolean;
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