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{"version":3,"file":"workbox-cacheable-response.dev.js","sources":["../_version.mjs","../CacheableResponse.mjs","../Plugin.mjs","../index.mjs"],"sourcesContent":["try{self['workbox:cacheable-response:4.3.1']&&_()}catch(e){}// eslint-disable-line","/*\n Copyright 2018 Google LLC\n\n Use of this source code is governed by an MIT-style\n license that can be found in the LICENSE file or at\n https://opensource.org/licenses/MIT.\n*/\n\nimport {WorkboxError} from 'workbox-core/_private/WorkboxError.mjs';\nimport {assert} from 'workbox-core/_private/assert.mjs';\nimport {getFriendlyURL} from 'workbox-core/_private/getFriendlyURL.mjs';\nimport {logger} from 'workbox-core/_private/logger.mjs';\nimport './_version.mjs';\n\n/**\n * This class allows you to set up rules determining what\n * status codes and/or headers need to be present in order for a\n * [`Response`](https://developer.mozilla.org/en-US/docs/Web/API/Response)\n * to be considered cacheable.\n *\n * @memberof workbox.cacheableResponse\n */\nclass CacheableResponse {\n /**\n * To construct a new CacheableResponse instance you must provide at least\n * one of the `config` properties.\n *\n * If both `statuses` and `headers` are specified, then both conditions must\n * be met for the `Response` to be considered cacheable.\n *\n * @param {Object} config\n * @param {Array<number>} [config.statuses] One or more status codes that a\n * `Response` can have and be considered cacheable.\n * @param {Object<string,string>} [config.headers] A mapping of header names\n * and expected values that a `Response` can have and be considered cacheable.\n * If multiple headers are provided, only one needs to be present.\n */\n constructor(config = {}) {\n if (process.env.NODE_ENV !== 'production') {\n if (!(config.statuses || config.headers)) {\n throw new WorkboxError('statuses-or-headers-required', {\n moduleName: 'workbox-cacheable-response',\n className: 'CacheableResponse',\n funcName: 'constructor',\n });\n }\n\n if (config.statuses) {\n assert.isArray(config.statuses, {\n moduleName: 'workbox-cacheable-response',\n className: 'CacheableResponse',\n funcName: 'constructor',\n paramName: 'config.statuses',\n });\n }\n\n if (config.headers) {\n assert.isType(config.headers, 'object', {\n moduleName: 'workbox-cacheable-response',\n className: 'CacheableResponse',\n funcName: 'constructor',\n paramName: 'config.headers',\n });\n }\n }\n\n this._statuses = config.statuses;\n this._headers = config.headers;\n }\n\n /**\n * Checks a response to see whether it's cacheable or not, based on this\n * object's configuration.\n *\n * @param {Response} response The response whose cacheability is being\n * checked.\n * @return {boolean} `true` if the `Response` is cacheable, and `false`\n * otherwise.\n */\n isResponseCacheable(response) {\n if (process.env.NODE_ENV !== 'production') {\n assert.isInstance(response, Response, {\n moduleName: 'workbox-cacheable-response',\n className: 'CacheableResponse',\n funcName: 'isResponseCacheable',\n paramName: 'response',\n });\n }\n\n let cacheable = true;\n\n if (this._statuses) {\n cacheable = this._statuses.includes(response.status);\n }\n\n if (this._headers && cacheable) {\n cacheable = Object.keys(this._headers).some((headerName) => {\n return response.headers.get(headerName) === this._headers[headerName];\n });\n }\n\n if (process.env.NODE_ENV !== 'production') {\n if (!cacheable) {\n logger.groupCollapsed(`The request for ` +\n `'${getFriendlyURL(response.url)}' returned a response that does ` +\n `not meet the criteria for being cached.`);\n\n logger.groupCollapsed(`View cacheability criteria here.`);\n logger.log(`Cacheable statuses: ` +\n JSON.stringify(this._statuses));\n
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