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Clean up utils index file
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sabio
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Sep 26, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* eslint-disable no-bitwise */ | ||
| /** | ||
| * Вычисляет чексумму данных по алгоритму Флетчера. | ||
| */ | ||
| export function fletcher(data: number[] | string) { | ||
| let { length } = data; | ||
| let i = 0; | ||
| let sum1 = 0xff; | ||
| let sum2 = 0xff; | ||
| let tlen; | ||
| let ch; | ||
| let ch2; | ||
| while (length) { | ||
| tlen = length > 21 ? 21 : length; | ||
| length -= tlen; | ||
|
|
||
| do { | ||
| ch = typeof data === 'string' ? data.charCodeAt(i) : data[i]; | ||
| i += 1; | ||
| if (ch > 255) { | ||
| ch2 = ch >> 8; | ||
| ch &= 0xff; | ||
| ch ^= ch2; | ||
| } | ||
| sum1 += ch; | ||
| sum2 += sum1; | ||
| // eslint-disable-next-line no-cond-assign | ||
| } while ((tlen -= 1)); | ||
| sum1 = (sum1 & 0xff) + (sum1 >> 8); | ||
| sum2 = (sum2 & 0xff) + (sum2 >> 8); | ||
| } | ||
| const result = | ||
| (((sum1 & 0xff) + (sum1 >> 8)) << 8) | ((sum2 & 0xff) + (sum2 >> 8)); | ||
| return result === 0xffff ? 0 : result; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,74 +1 @@ | ||
| /* eslint-disable no-bitwise */ | ||
| // https://github.com/RubenVerborgh/promiscuous !?!? | ||
| import * as polyPromise from 'promise-polyfill'; | ||
| import { POLYFILLS_FEATURE } from 'generated/features'; | ||
| import { flags } from '@inject'; | ||
| import { toNativeOrFalse } from 'src/utils/function/isNativeFunction/toNativeOrFalse'; | ||
| import { includes } from 'src/utils/array/includes'; | ||
| import { bind } from './function/bind'; | ||
| import { getPath } from './object'; | ||
|
|
||
| /* eslint-disable-next-line import/no-mutable-exports */ | ||
| let PolyPromise: PromiseConstructor = window.Promise; | ||
|
|
||
| if (flags[POLYFILLS_FEATURE]) { | ||
| const construct = toNativeOrFalse(PolyPromise as any, 'Promise'); | ||
| const resolve = toNativeOrFalse( | ||
| getPath(PolyPromise, 'resolve')!, | ||
| 'resolve', | ||
| ); | ||
| const reject = toNativeOrFalse(getPath(PolyPromise, 'reject')!, 'reject'); | ||
| const all = toNativeOrFalse(getPath(PolyPromise, 'all')!, 'all'); | ||
| if (includes(false, [construct, resolve, reject, all])) { | ||
| PolyPromise = polyPromise.default; | ||
| } else { | ||
| const anyPromise = function promiseWrapper(a: any) { | ||
| return new Promise(a); | ||
| } as any; | ||
| anyPromise.resolve = bind(resolve as any, PolyPromise); | ||
| anyPromise.reject = bind(reject as any, PolyPromise); | ||
| anyPromise.all = bind(all as any, PolyPromise); | ||
| PolyPromise = anyPromise; | ||
| } | ||
| } | ||
|
|
||
| export { PolyPromise }; | ||
|
|
||
| /** | ||
| * Вычисляет чексумму данных по алгоритму Флетчера. | ||
| * | ||
| * @param {Array|String} data | ||
| * | ||
| * @returns {Number} | ||
| */ | ||
| export function fletcher(data: number[] | string) { | ||
| let { length } = data; | ||
| let i = 0; | ||
| let sum1 = 0xff; | ||
| let sum2 = 0xff; | ||
| let tlen; | ||
| let ch; | ||
| let ch2; | ||
| while (length) { | ||
| tlen = length > 21 ? 21 : length; | ||
| length -= tlen; | ||
|
|
||
| do { | ||
| ch = typeof data === 'string' ? data.charCodeAt(i) : data[i]; | ||
| i += 1; | ||
| if (ch > 255) { | ||
| ch2 = ch >> 8; | ||
| ch &= 0xff; | ||
| ch ^= ch2; | ||
| } | ||
| sum1 += ch; | ||
| sum2 += sum1; | ||
| // eslint-disable-next-line no-cond-assign | ||
| } while ((tlen -= 1)); | ||
| sum1 = (sum1 & 0xff) + (sum1 >> 8); | ||
| sum2 = (sum2 & 0xff) + (sum2 >> 8); | ||
| } | ||
| const result = | ||
| (((sum1 & 0xff) + (sum1 >> 8)) << 8) | ((sum2 & 0xff) + (sum2 >> 8)); | ||
| return result === 0xffff ? 0 : result; | ||
| } | ||
| export * from './promise'; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| /* eslint-disable no-bitwise */ | ||
| // https://github.com/RubenVerborgh/promiscuous !?!? | ||
| import * as polyPromise from 'promise-polyfill'; | ||
| import { POLYFILLS_FEATURE } from 'generated/features'; | ||
| import { flags } from '@inject'; | ||
| import { bind } from 'src/utils/function/bind'; | ||
| import { toNativeOrFalse } from 'src/utils/function/isNativeFunction/toNativeOrFalse'; | ||
| import { getPath } from 'src/utils/object'; | ||
|
|
||
| /* eslint-disable-next-line import/no-mutable-exports */ | ||
| export let PolyPromise: PromiseConstructor = window.Promise; | ||
|
|
||
| if (flags[POLYFILLS_FEATURE]) { | ||
| const construct = toNativeOrFalse(PolyPromise as any, 'Promise'); | ||
| const resolve = toNativeOrFalse( | ||
| getPath(PolyPromise, 'resolve')!, | ||
| 'resolve', | ||
| ); | ||
| const reject = toNativeOrFalse(getPath(PolyPromise, 'reject')!, 'reject'); | ||
| const all = toNativeOrFalse(getPath(PolyPromise, 'all')!, 'all'); | ||
| if (construct && resolve && reject && all) { | ||
| const anyPromise = function promiseWrapper( | ||
| a: ConstructorParameters<PromiseConstructor>[0], | ||
| ) { | ||
| return new Promise(a); | ||
| } as any; | ||
| anyPromise.resolve = bind(resolve, PolyPromise); | ||
| anyPromise.reject = bind(reject, PolyPromise); | ||
| anyPromise.all = bind(all, PolyPromise); | ||
| PolyPromise = anyPromise; | ||
| } else { | ||
| PolyPromise = polyPromise.default; | ||
| } | ||
| } |