decord/source/utils/Uint8ArrayUtils.tsx
2026-07-24 07:16:23 +00:00

51 lines
1.6 KiB
TypeScript

// Module ID: 1333
// Function ID: 15647
// Name: hasBit
// Dependencies: [2]
// Exports: addBit, isSerializedUint8Array, isUint8Array, removeBit
// Module 1333 (hasBit)
function hasBit(dismissedContents, closure_0) {
let tmp = 0 !== dismissedContents.length;
if (tmp) {
const _Math = Math;
tmp = dismissedContents[Math.floor(Math, closure_0 / 8)] & 1 << closure_0 % 8;
}
return tmp;
}
let result = require("set").fileFinishedImporting("utils/Uint8ArrayUtils.tsx");
export { hasBit };
export const addBit = function addBit(dismissedContents, closure_0) {
const rounded = Math.floor(closure_0 / 8);
let tmp2 = dismissedContents;
if (dismissedContents.length <= rounded) {
const _Uint8Array = Uint8Array;
const uint8Array = new Uint8Array(rounded + 1);
const result = uint8Array.set(dismissedContents, 0);
tmp2 = uint8Array;
}
tmp2[rounded] = tmp2[rounded] | 1 << closure_0 % 8;
return tmp2;
};
export const removeBit = function removeBit(dismissedContents, closure_0) {
if (hasBit(dismissedContents, closure_0)) {
const _Math = Math;
const rounded = Math.floor(closure_0 / 8);
dismissedContents[rounded] = dismissedContents[rounded] & ~1 << closure_0 % 8;
}
return dismissedContents;
};
export const isUint8Array = function isUint8Array(arg0) {
return arg0 instanceof Uint8Array;
};
export const isSerializedUint8Array = function isSerializedUint8Array(__tag__) {
let tmp = null != __tag__;
if (tmp) {
tmp = "object" === typeof __tag__;
}
if (tmp) {
tmp = "uint8array" === __tag__.__tag__;
}
return tmp;
};