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{"version":3,"names":[],"mappings":"","sources":["packages/workbox-range-requests/browser.mjs"],"sourcesContent":["this.workbox = this.workbox || {};\nthis.workbox.rangeRequests = (function (exports,WorkboxError_mjs,assert_mjs,logger_mjs) {\n 'use strict';\n\n try {\n self.workbox.v['workbox:range-requests:3.6.3'] = 1;\n } catch (e) {} // eslint-disable-line\n\n /*\n Copyright 2017 Google Inc.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n https://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n */\n\n /**\n * @param {Blob} blob A source blob.\n * @param {number|null} start The offset to use as the start of the\n * slice.\n * @param {number|null} end The offset to use as the end of the slice.\n * @return {Object} An object with `start` and `end` properties, reflecting\n * the effective boundaries to use given the size of the blob.\n *\n * @private\n */\n function calculateEffectiveBoundaries(blob, start, end) {\n {\n assert_mjs.assert.isInstance(blob, Blob, {\n moduleName: 'workbox-range-requests',\n funcName: 'calculateEffectiveBoundaries',\n paramName: 'blob'\n });\n }\n\n const blobSize = blob.size;\n\n if (end > blobSize || start < 0) {\n throw new WorkboxError_mjs.WorkboxError('range-not-satisfiable', {\n size: blobSize,\n end,\n start\n });\n }\n\n let effectiveStart;\n let effectiveEnd;\n\n if (start === null) {\n effectiveStart = blobSize - end;\n effectiveEnd = blobSize;\n } else if (end === null) {\n effectiveStart = start;\n effectiveEnd = blobSize;\n } else {\n effectiveStart = start;\n // Range values are inclusive, so add 1 to the value.\n effectiveEnd = end + 1;\n }\n\n return {\n start: effectiveStart,\n end: effectiveEnd\n };\n }\n\n /*\n Copyright 2017 Google Inc.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n https://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n */\n\n /**\n * @param {string} rangeHeader A Range: header value.\n * @return {Object} An object with `start` and `end` properties, reflecting\n * the parsed value of the Range: header. If either the `start` or `end` are\n * omitted, then `null` will be returned.\n *\n * @private\n */\n function parseRangeHeader(rangeHeader) {\n {\n assert_mjs.assert.isType(rangeHeader, 'string', {\n moduleName: 'workbox-range-requests',\n funcName: 'parseRangeHeader',\n paramName: 'rangeHeader'\n });\n }\n\n const normalizedRangeHeader = rangeHeader.trim().toLowerCase();\n if (!normalizedRangeHeader.startsWith('bytes=')) {\n throw new WorkboxError_mjs.WorkboxError('unit-must-be-bytes', { normalizedRangeHeader });\n }\n\n // Specifying multiple ranges separate by commas is valid syntax, but this\n // library only attempts to handle a single, contiguous sequence of bytes.\n // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Range#Syntax\n if (normalizedRangeHeader.includes(',')) {\n throw new WorkboxError_mjs.WorkboxError('single-range-only', { normaliz
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