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create-fetch\n\nUtilities for custom [fetch](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch).\n\n[![Coverage Status](https://coveralls.io/repos/github/ambar/create-fetch/badge.svg?branch=master)](https://coveralls.io/github/ambar/create-fetch?branch=master)\n[![npm version](https://badgen.net/npm/v/create-fetch)](https://www.npmjs.com/package/create-fetch)\n[![minzipped size](https://badgen.net/bundlephobia/minzip/create-fetch)](https://bundlephobia.com/result?p=create-fetch)\n\n## Install\n\n```console\nnpm install create-fetch\n```\n\n## Usage\n\n```js\nimport 'cross-fetch/polyfill' // add universal-fetch polyfill if needed\nimport {composeFetch, query, headers, bodify} from 'create-fetch'\n\nconst myFetch = composeFetch([\n  query(),\n  bodify(),\n  headers({'x-requested-with': 'fetch'}),\n])(fetch)\n\n// same as:\n// const myFetch = compose(query(), ...)(fetch)\n\n// could also use pipeline operator:\n// const myFetch = fetch |\u003e query() |\u003e ...\n\nmyFetch('/api', {\n  method: 'POST',\n  query: {filter: 'user'},\n  body: {name: 'JoJo'},\n})\n// =\u003e\n// POST /api?filter=user\n// Request Headers:\n//   content-type: application/json\n//   x-requested-with: fetch\n// Request Payload:\n//   {\"name\":\"JoJo\"}\n```\n\n### Typing\n\n```ts\nimport {FetchCompose, FetchEnhancer, query, bodify} from 'create-fetch'\nimport flowRight from 'lodash/flowRight'\n\n// inject extra options\ntype FooInit = {foo?: boolean}\nconst foo =\n  (): FetchEnhancer\u003cFooInit\u003e =\u003e\n  (fetch) =\u003e\n  (url, {foo, ...options}) =\u003e {\n    if (foo) {\n      // ...\n    }\n    return fetch(url, options)\n  }\n\nconst bar = (): FetchEnhancer =\u003e (fetch) =\u003e (url, options) =\u003e {\n  return fetch(url, options)\n}\n\n// same as `composeFetch`\nconst myFetch = (flowRight as FetchCompose)([\n  //\n  foo(),\n  bar(),\n  query(),\n  bodify(),\n])(fetch)\n\n// (url: RequestInfo, options?: RequestInit \u0026 QueryInit \u0026 FooInit) =\u003e Promise\u003cResponse\u003e\nmyFetch('/', {\n  withEncrypt: true,\n})\n```\n\n### ESM\n\nImport from [`module`](https://caniuse.com/#search=modules) script (1.4K gzip size):\n\n```html\n\u003cscript type=\"module\"\u003e\n  import createFetch, {query, headers} from 'https://unpkg.com/create-fetch'\n\n  const myFetch = createFetch(fetch, [\n    query(),\n    headers({'x-requested-with': 'fetch'}),\n  ])\n  myFetch('/api', {query: {foo: 'bar'}})\n\u003c/script\u003e\n```\n\n## API\n\n- [`defaults(options)`](#defaults)\n- [`baseUrl(url)`](#baseUrl)\n- [`headers(options)`](#headers)\n- [`query()`](#query)\n- [`bodify()`](#bodify)\n- [`xsrf(options)`](#xsrf)\n\n### \u003ca name='defaults'\u003e\u003c/a\u003e`defaults(options)`\n\nAdd default request options.\n\n```js\nimport {defaults} from 'create-fetch'\n\nconst myFetch = defaults({\n  credentials: 'same-origin',\n})(fetch)\nmyFetch('/')\n```\n\n### \u003ca name='baseUrl'\u003e\u003c/a\u003e`baseUrl(url)`\n\nAdd request base url.\n\n```js\nimport {baseUrl} from 'create-fetch'\n\nconst ghApi = baseUrl('https://api.github.com')(fetch)\nghApi('/users')\n// =\u003e\n// GET https://api.github.com/users\n```\n\n### \u003ca name='headers'\u003e\u003c/a\u003e`headers(options)`\n\nAdd default request headers.\n\n```js\nimport {headers} from 'create-fetch'\n\nconst myFetch = headers({\n  'x-requested-with': 'fetch',\n  // null or undefined will be removed\n  'x-foo': null,\n})(fetch)\n\nmyFetch('/')\n// =\u003e\n// GET /\n// Request Headers:\n//   x-requested-with: fetch\n```\n\n### \u003ca name='query'\u003e\u003c/a\u003e`query()`\n\nStringify query string.\n\n```js\nimport {query} from 'create-fetch'\n\nconst myFetch = query()(fetch)\n\nmyFetch('/', {\n  query: {\n    filter: 'user'\n    // null or undefined will be set to empty\n    foo: null\n  },\n})\n// =\u003e\n// GET /?filter=user\u0026foo\n```\n\n### \u003ca name='bodify'\u003e\u003c/a\u003e`bodify()`\n\nStringify request body.\n\n```js\nimport {bodify} from 'create-fetch'\n\nconst myFetch = bodify()(fetch)\n\n// stringify json by default\nmyFetch('/', {\n  method: 'POST',\n  body: {name: 'JoJo'},\n})\n// =\u003e\n// POST /\n// Request Headers:\n//   content-type: application/json\n// Request Payload:\n//   {\"name\":\"JoJo\"}\n\n// stringify form\nmyFetch('/', {\n  method: 'POST',\n  body: new URLSearchParams({name: 'JoJo'}),\n})\n// =\u003e\n// POST /\n// Request Headers:\n//   content-type: application/x-www-form-urlencoded\n// Request Payload:\n//   name=JoJo\n```\n\n### \u003ca name='xsrf'\u003e\u003c/a\u003e`xsrf(options)`\n\nAdd XSRF token header.\n\n```js\nimport {xsrf} from 'create-fetch'\n\nconst myFetch = xsrf({\n  cookieName, // defaults to `_xsrf`\n  headerName, // defaults to `x-xsrftoken`\n})(fetch)\n\nmyFetch('/', {\n  method: 'POST',\n})\n// =\u003e\n// POST /\n// Request Headers:\n//   x-xsrftoken: \u003cxsrf-token\u003e\n```\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fambar%2Fcreate-fetch","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fambar%2Fcreate-fetch","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fambar%2Fcreate-fetch/lists"}