Brunobkr/llama.cpp_AlgMor24_github

1/*2  Copyright 2018 Google LLC3 4  Use of this source code is governed by an MIT-style5  license that can be found in the LICENSE file or at6  https://opensource.org/licenses/MIT.7*/8 9import {WorkboxError} from 'workbox-core/_private/WorkboxError.js';10import {assert} from 'workbox-core/_private/assert.js';11import '../_version.js';12 13/**14 * @param {string} rangeHeader A Range: header value.15 * @return {Object} An object with `start` and `end` properties, reflecting16 * the parsed value of the Range: header. If either the `start` or `end` are17 * omitted, then `null` will be returned.18 *19 * @private20 */21function parseRangeHeader(rangeHeader: string): {start?: number; end?: number} {22  if (process.env.NODE_ENV !== 'production') {23    assert!.isType(rangeHeader, 'string', {24      moduleName: 'workbox-range-requests',25      funcName: 'parseRangeHeader',26      paramName: 'rangeHeader',27    });28  }29 30  const normalizedRangeHeader = rangeHeader.trim().toLowerCase();31  if (!normalizedRangeHeader.startsWith('bytes=')) {32    throw new WorkboxError('unit-must-be-bytes', {normalizedRangeHeader});33  }34 35  // Specifying multiple ranges separate by commas is valid syntax, but this36  // library only attempts to handle a single, contiguous sequence of bytes.37  // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Range#Syntax38  if (normalizedRangeHeader.includes(',')) {39    throw new WorkboxError('single-range-only', {normalizedRangeHeader});40  }41 42  const rangeParts = /(\d*)-(\d*)/.exec(normalizedRangeHeader);43  // We need either at least one of the start or end values.44  if (!rangeParts || !(rangeParts[1] || rangeParts[2])) {45    throw new WorkboxError('invalid-range-values', {normalizedRangeHeader});46  }47 48  return {49    start: rangeParts[1] === '' ? undefined : Number(rangeParts[1]),50    end: rangeParts[2] === '' ? undefined : Number(rangeParts[2]),51  };52}53 54export {parseRangeHeader};55