32 lines
1.1 KiB
TypeScript
32 lines
1.1 KiB
TypeScript
// Mock node-crc to provide pure JS implementation and bypass native build issues
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const CRC_TABLE = new Uint32Array(256);
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for (let i = 0; i < 256; i++) {
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let r = i << 24;
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for (let j = 0; j < 8; j++) {
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r = (r & 0x80000000) !== 0 ? ((r << 1) ^ 0x04c11db7) : (r << 1);
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}
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CRC_TABLE[i] = (r >>> 0);
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}
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const Module = require('module');
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const originalRequire = Module.prototype.require;
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Module.prototype.require = function (id: string) {
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if (id === 'node-crc') {
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return {
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crc: function (width: number, reflectIn: boolean, poly: number, init: number, refOut: boolean, xorOut: number, unk1: number, unk2: number, buffer: Buffer) {
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let crc = 0;
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for (let i = 0; i < buffer.length; i++) {
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crc = ((crc << 8) >>> 0) ^ CRC_TABLE[((crc >>> 24) ^ buffer[i]) & 0xff];
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crc >>>= 0;
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}
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const result = Buffer.alloc(4);
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result.writeUInt32BE(crc, 0);
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return result;
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}
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};
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}
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return originalRequire.apply(this, arguments);
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};
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console.log("[mock] node-crc has been mocked globally.");
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