37 lines
1.6 KiB
JavaScript
37 lines
1.6 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.makeBytesReference = void 0;
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const types_1 = require("../types");
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const bytes_1 = require("./bytes");
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const hex_1 = require("./hex");
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function makeBytesReference(reference, offset = 0) {
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if (typeof reference === 'string') {
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if (offset) {
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throw new Error('Offset property can be set only for UintArray reference!');
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}
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try {
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// Non-encrypted chunk hex string reference
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const hexReference = (0, hex_1.makeHexString)(reference, types_1.REFERENCE_HEX_LENGTH);
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return (0, hex_1.hexToBytes)(hexReference);
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}
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catch (e) {
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if (!(e instanceof TypeError)) {
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throw e;
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}
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// Encrypted chunk hex string reference
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const hexReference = (0, hex_1.makeHexString)(reference, types_1.ENCRYPTED_REFERENCE_HEX_LENGTH);
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return (0, hex_1.hexToBytes)(hexReference);
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}
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}
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else if (reference instanceof Uint8Array) {
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if ((0, bytes_1.hasBytesAtOffset)(reference, offset, types_1.ENCRYPTED_REFERENCE_BYTES_LENGTH)) {
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return (0, bytes_1.bytesAtOffset)(reference, offset, types_1.ENCRYPTED_REFERENCE_BYTES_LENGTH);
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}
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else if ((0, bytes_1.hasBytesAtOffset)(reference, offset, types_1.REFERENCE_BYTES_LENGTH)) {
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return (0, bytes_1.bytesAtOffset)(reference, offset, types_1.REFERENCE_BYTES_LENGTH);
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}
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}
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throw new TypeError('invalid chunk reference');
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}
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exports.makeBytesReference = makeBytesReference;
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