Comments (3)
Hi folks! Thanks for the reported issues. Just like node, whenever a bundler finds an import/require statement, it's going to check the module's package.json to look for the entry point.
Here's how each resolver behaves:
- node: looks for the
main
property by default. - webpack: looks for the
browser
, then themodule
and then themain
properties by default. Customizable via resolve.mainFields option in the webpack.config.js file. - rollup: looks for the
main
property by default. Customizable via rollup-plugin-node-resolve plugin. - metro (React Native's packager): looks for the
react-native
, then thebrowser
and then themain
properties by default. See code.
And here's how cross-fetch's package.json is configured:
- "main": "dist/node-ponyfill.js" (for node)
- "browser": "dist/browser-ponyfill.js" (for webpack)
- "react-native": "dist/react-native-ponyfill.js" (for metro)
So whether you're using webpack
or rollup
, you probably need to configure them to resolve the same fields as React Native's metro
.
from cross-fetch.
node-fetch shouldn't be loaded in RN environment. cross-fetch uses a specific entry-point for React Native that proxies to the fetch provided by the environment.
maybe your bundler is resolving the wrong entry point: "main" instead of "react-native" (see package.json).
from cross-fetch.
I'm having a similar issue, a default rollup build will include node-fetch in browser build when using cross-fetch. Tried this with graphql-request and apollo-fetch.
Not sure if anything can be done in this lib to make it rollup-friendly or if it's something that must be handled on the rollup side.
I reproduced basic example here, just took the default rollup starter app and added graphql-request
lib:
https://github.com/evaneus/rollup-starter-app
this ends up with require
calls (for node-fetch) being added to the bundle.
from cross-fetch.
Related Issues (20)
- Does not work in browser? (needs es module version?)
- Inconsistent behavior for headers with native Fetch API and whatwg-fetch HOT 2
- localhost is not resolving to 127.0.0.1 HOT 1
- logging feature: how could i see detailed logging of the requests that are being done for the purpose of debugging HOT 1
- failed reason: connect ETIMEDOUT
- Document Enhancement Suggestion: No Experimental Native Fetch in Node, Not an Issue Per Se HOT 2
- Alternatives? HOT 6
- Magento 2 hacked and added this script which reaches this repo HOT 1
- TypeError: data.getReader is not a function HOT 3
- res.json() Error type instance HOT 1
- getting explicit polyfill doesn't seem to work after upgrade to v4 HOT 1
- Question: does global declaration need to be kept
- TypeScript conflicts with polyfill and cloudflare workers-types
- Could not catch Premature close error HOT 1
- Add support for agent property from node-fetch HOT 1
- node-fetch v2.7.0: punycode is deprecated in 'whatwg-url' and 'tr46'
- Response.json is not defined HOT 1
- https://github.github.io/fetch/ not working!
- cross-fetch does not work in service workers of webextensions bundled with Vite
- replace is not defined, error thrown at var preProcessedHeaders = rawHeaders.replace(/\r?\n[\t ]+/g, ' '); HOT 1
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from cross-fetch.