25 lines
1.0 KiB
JavaScript
25 lines
1.0 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ensureBuffer = void 0;
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var buffer_1 = require("buffer");
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var error_1 = require("./error");
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var utils_1 = require("./parser/utils");
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/**
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* Makes sure that, if a Uint8Array is passed in, it is wrapped in a Buffer.
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*
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* @param potentialBuffer - The potential buffer
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* @returns Buffer the input if potentialBuffer is a buffer, or a buffer that
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* wraps a passed in Uint8Array
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* @throws BSONTypeError If anything other than a Buffer or Uint8Array is passed in
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*/
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function ensureBuffer(potentialBuffer) {
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if (ArrayBuffer.isView(potentialBuffer)) {
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return buffer_1.Buffer.from(potentialBuffer.buffer, potentialBuffer.byteOffset, potentialBuffer.byteLength);
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}
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if (utils_1.isAnyArrayBuffer(potentialBuffer)) {
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return buffer_1.Buffer.from(potentialBuffer);
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}
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throw new error_1.BSONTypeError('Must use either Buffer or TypedArray');
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}
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exports.ensureBuffer = ensureBuffer;
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//# sourceMappingURL=ensure_buffer.js.map
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