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- const isBigEndian = (new Uint8Array(new Uint32Array([0x12345678]).buffer)[0] === 0x12);
-
- const swap = (b, n, m) => {
- let i = b[n];
- b[n] = b[m];
- b[m] = i;
- };
-
- const swap32 = array => {
- const len = array.length;
- for (let i = 0; i < len; i += 4) {
- swap(array, i, i + 3);
- swap(array, i + 1, i + 2);
- }
- };
-
- const swap32LE = array => {
- if (isBigEndian) {
- swap32(array);
- }
- };
-
- module.exports = {
- swap32LE: swap32LE
- };
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