Yu1709$!%yuyu!$%wutu!5=126+

                
____  ___       .__                 
\   \/  /  _____|  |   ______  _  __
 \     /  /  ___/  |  /  _ \ \/ \/ /
 /     \  \___ \|  |_(  <_> )     / 
/___/\  \/____  >____/\____/ \/\_/  
      \_/     \/    @ligmakokz

Editing: arrays.ts

import { decodeFromBase64DataUri } from 'src/utils/base64';
import { charFromCode } from 'src/utils/strings';

export const last = <T>(array: T[]): T => array[array.length - 1];

// export const dropLast = <T>(array: T[]): T[] =>
// array.slice(0, array.length - 1);

export const typedArrayFor = (value: string | Uint8Array): Uint8Array => {
  if (value instanceof Uint8Array) return value;
  const length = value.length;
  const typedArray = new Uint8Array(length);
  for (let idx = 0; idx < length; idx++) {
    typedArray[idx] = value.charCodeAt(idx);
  }
  return typedArray;
};

export const mergeIntoTypedArray = (...arrays: (string | Uint8Array)[]) => {
  const arrayCount = arrays.length;

const typedArrays: Uint8Array[] = [];
  for (let idx = 0; idx < arrayCount; idx++) {
    const element = arrays[idx];
    typedArrays[idx] =
      element instanceof Uint8Array ? element : typedArrayFor(element);
  }

let totalSize = 0;
  for (let idx = 0; idx < arrayCount; idx++) {
    totalSize += arrays[idx].length;
  }

const merged = new Uint8Array(totalSize);
  let offset = 0;
  for (let arrIdx = 0; arrIdx < arrayCount; arrIdx++) {
    const arr = typedArrays[arrIdx];
    for (let byteIdx = 0, arrLen = arr.length; byteIdx < arrLen; byteIdx++) {
      merged[offset++] = arr[byteIdx];
    }
  }

return merged;
};

export const mergeUint8Arrays = (arrays: Uint8Array[]): Uint8Array => {
  let totalSize = 0;
  for (let idx = 0, len = arrays.length; idx < len; idx++) {
    totalSize += arrays[idx].length;
  }

const mergedBuffer = new Uint8Array(totalSize);
  let offset = 0;
  for (let idx = 0, len = arrays.length; idx < len; idx++) {
    const array = arrays[idx];
    mergedBuffer.set(array, offset);
    offset += array.length;
  }

return mergedBuffer;
};

export const arrayAsString = (array: Uint8Array | number[]): string => {
  let str = '';
  for (let idx = 0, len = array.length; idx < len; idx++) {
    str += charFromCode(array[idx]);
  }
  return str;
};

export const byAscendingId = <T extends { id: any }>(a: T, b: T) => a.id - b.id;

export const sortedUniq = <T>(array: T[], indexer: (elem: T) => any): T[] => {
  const uniq: T[] = [];

for (let idx = 0, len = array.length; idx < len; idx++) {
    const curr = array[idx];
    const prev = array[idx - 1];
    if (idx === 0 || indexer(curr) !== indexer(prev)) {
      uniq.push(curr);
    }
  }

return uniq;
};

// Arrays and TypedArrays in JS both have .reverse() methods, which would seem
// to negate the need for this function. However, not all runtimes support this
// method (e.g. React Native). This function compensates for that fact.
export const reverseArray = (array: Uint8Array) => {
  const arrayLen = array.length;
  for (let idx = 0, len = Math.floor(arrayLen / 2); idx < len; idx++) {
    const leftIdx = idx;
    const rightIdx = arrayLen - idx - 1;
    const temp = array[idx];

array[leftIdx] = array[rightIdx];
    array[rightIdx] = temp;
  }
  return array;
};

export const sum = (array: number[] | Uint8Array): number => {
  let total = 0;
  for (let idx = 0, len = array.length; idx < len; idx++) {
    total += array[idx];
  }
  return total;
};

export const range = (start: number, end: number): number[] => {
  const arr = new Array(end - start);
  for (let idx = 0, len = arr.length; idx < len; idx++) {
    arr[idx] = start + idx;
  }
  return arr;
};

export const pluckIndices = <T>(arr: T[], indices: number[]) => {
  const plucked = new Array<T>(indices.length);
  for (let idx = 0, len = indices.length; idx < len; idx++) {
    plucked[idx] = arr[indices[idx]];
  }
  return plucked;
};

export const canBeConvertedToUint8Array = (
  input: any,
): input is string | ArrayBuffer | Uint8Array =>
  input instanceof Uint8Array ||
  input instanceof ArrayBuffer ||
  typeof input === 'string';

export const toUint8Array = (input: string | ArrayBuffer | Uint8Array) => {
  if (typeof input === 'string') {
    return decodeFromBase64DataUri(input);
  } else if (input instanceof ArrayBuffer) {
    return new Uint8Array(input);
  } else if (input instanceof Uint8Array) {
    return input;
  } else {
    throw new TypeError(
      '`input` must be one of `string | ArrayBuffer | Uint8Array`',
    );
  }
};

Name	Type	Actions
.htaccess	File
Cache.ts	File
arrays.ts	File
async.ts	File
base64.ts	File
errors.ts	File
index.ts	File
numbers.ts	File
objects.ts	File
pdfDocEncoding.ts	File
png.ts	File
rng.ts	File
strings.ts	File
unicode.ts	File
validators.ts	File