diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml index fa29db9..846c148 100644 --- a/.gitea/workflows/ci.yml +++ b/.gitea/workflows/ci.yml @@ -11,11 +11,12 @@ jobs: node-version: [20.x] steps: - - uses: actions/checkout@v2 + - uses: actions/checkout@v4 - name: Use Node.js - uses: actions/setup-node@v1 + uses: actions/setup-node@v3 with: node-version: ${{ matrix.node-version }} + registry-url: "https://registry.npmjs.org" - run: npm ci - run: npm run lint - run: npm run coverage diff --git a/README.md b/README.md index 62adc86..d37d6a7 100644 --- a/README.md +++ b/README.md @@ -1,5 +1,7 @@ # node-fetch-cache +Forked from: + node-fetch with caching of responses. The first fetch with any given arguments will result in an HTTP request and any subsequent fetch with the same arguments will read the response from the cache. @@ -11,11 +13,11 @@ By default responses are cached in memory, but you can also cache to files on di Require it and use it the same way you would use node-fetch: ```js -import fetch from 'node-fetch-cache'; +import fetch from "node-fetch-cache"; -fetch('http://google.com') - .then(response => response.text()) - .then(text => console.log(text)); +fetch("http://google.com") + .then((response) => response.text()) + .then((text) => console.log(text)); ``` The next time you `fetch('http://google.com')`, the response will be returned from the cache. No HTTP request will be made. @@ -33,17 +35,18 @@ This function can be used to eject the response from the cache, so that the next This module caches ALL responses, even those with 4xx and 5xx response statuses. You can use this function to uncache such responses if desired. For example: ```js -import fetch from 'node-fetch-cache'; +import fetch from "node-fetch-cache"; -fetch('http://google.com') - .then(async response => { +fetch("http://google.com") + .then(async (response) => { if (!response.ok) { await response.ejectFromCache(); - throw new Error('Non-okay response from google.com'); + throw new Error("Non-okay response from google.com"); } else { return response.text(); } - }).then(text => console.log(text)); + }) + .then((text) => console.log(text)); ``` ## Cache Customization @@ -57,7 +60,7 @@ This is the default cache delegate. It caches responses in-process in a POJO. Usage: ```js -import { fetchBuilder, MemoryCache } from 'node-fetch-cache'; +import { fetchBuilder, MemoryCache } from "node-fetch-cache"; const fetch = fetchBuilder.withCache(new MemoryCache(options)); ``` @@ -69,7 +72,7 @@ Options: } ``` -Note that by default (if you don't use `withCache()`) a **shared** MemoryCache will be used (you can import this module in multiple files and they will all share the same cache). If you instantiate and provide a `new MemoryCache()` as shown above however, the cache is *NOT* shared unless you explicitly pass it around and pass it into `withCache()` in each of your source files. +Note that by default (if you don't use `withCache()`) a **shared** MemoryCache will be used (you can import this module in multiple files and they will all share the same cache). If you instantiate and provide a `new MemoryCache()` as shown above however, the cache is _NOT_ shared unless you explicitly pass it around and pass it into `withCache()` in each of your source files. ### FileSystemCache @@ -78,7 +81,7 @@ Cache to a directory on disk. This allows the cache to survive the process exiti Usage: ```js -import { fetchBuilder, FileSystemCache } from 'node-fetch-cache'; +import { fetchBuilder, FileSystemCache } from "node-fetch-cache"; const fetch = fetchBuilder.withCache(new FileSystemCache(options)); ``` @@ -118,10 +121,12 @@ Streams don't quite play nice with the concept of caching based on request chara Requests with the same cache key are queued. For example, you might wonder if making the same request 100 times simultaneously would result in 100 HTTP requests: ```js -import fetch from 'node-fetch-cache'; +import fetch from "node-fetch-cache"; await Promise.all( - Array(100).fill().map(() => fetch('https://google.com')), + Array(100) + .fill() + .map(() => fetch("https://google.com")) ); ``` @@ -132,10 +137,10 @@ The answer is no. Only one request would be made, and 99 of the `fetch()`s will The HTTP standard describes a [Cache-Control request header](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control#request_directives) to control certain aspects of cache behavior. Node-fetch ignores these, but node-fetch-cache respects the `Cache-Control: only-if-cached` directive. When `only-if-cached` is specified, node-fetch-cache will return `undefined` if there is no cached response. No HTTP request will be made. For example: ```js -import fetch from 'node-fetch-cache'; +import fetch from "node-fetch-cache"; -const response = await fetch('https://google.com', { - headers: { 'Cache-Control': 'only-if-cached' } +const response = await fetch("https://google.com", { + headers: { "Cache-Control": "only-if-cached" }, }); if (response === undefined) { @@ -150,12 +155,12 @@ Note that this is slightly different from browser fetch, which returns a `504 Ga This module exports a `getCacheKey()` function to calculate a cache key string from request parameters, which may be useful for enabling some advanced use cases (especially if you want to call cache functions directly). Call `getCacheKey()` exactly like you would call `fetch()`. ```js -import { fetchBuilder, MemoryCache, getCacheKey } from 'node-fetch-cache'; +import { fetchBuilder, MemoryCache, getCacheKey } from "node-fetch-cache"; const cache = new MemoryCache(); const fetch = fetchBuilder.withCache(cache); -const rawCacheData = await cache.get(getCacheKey('https://google.com')); +const rawCacheData = await cache.get(getCacheKey("https://google.com")); ``` ## Bugs / Help / Feature Requests / Contributing diff --git a/package.json b/package.json index 3a56a51..c334819 100644 --- a/package.json +++ b/package.json @@ -12,8 +12,8 @@ "buildcjs": "rollup src/index.js --file commonjs/index.cjs --format cjs", "test": "npm run lintfix && npm run buildcjs && mocha --timeout 10000 --exit", "coverage": "nyc --reporter=lcov --reporter=text npm test", - "lint": "./node_modules/.bin/eslint .", - "lintfix": "./node_modules/.bin/eslint . --fix", + "lint": "eslint .", + "lintfix": "eslint . --fix", "prepublishOnly": "npm test" }, "repository": {