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metamask-extension/app/scripts/inpage.js
Erik Marks 76a2a9bb8b
@metamask/eslint config@5.0.0 (#10358)
* @metamask/eslint-config@5.0.0
* Update eslintrc and prettierrc
* yarn lint:fix
2021-02-04 10:15:23 -08:00

57 lines
1.4 KiB
JavaScript

// need to make sure we aren't affected by overlapping namespaces
// and that we dont affect the app with our namespace
// mostly a fix for web3's BigNumber if AMD's "define" is defined...
let __define;
/**
* Caches reference to global define object and deletes it to
* avoid conflicts with other global define objects, such as
* AMD's define function
*/
const cleanContextForImports = () => {
__define = global.define;
try {
global.define = undefined;
} catch (_) {
console.warn('MetaMask - global.define could not be deleted.');
}
};
/**
* Restores global define object from cached reference
*/
const restoreContextAfterImports = () => {
try {
global.define = __define;
} catch (_) {
console.warn('MetaMask - global.define could not be overwritten.');
}
};
cleanContextForImports();
/* eslint-disable import/first */
import log from 'loglevel';
import LocalMessageDuplexStream from 'post-message-stream';
import { initializeProvider } from '@metamask/inpage-provider';
restoreContextAfterImports();
log.setDefaultLevel(process.env.METAMASK_DEBUG ? 'debug' : 'warn');
//
// setup plugin communication
//
// setup background connection
const metamaskStream = new LocalMessageDuplexStream({
name: 'metamask-inpage',
target: 'metamask-contentscript',
});
initializeProvider({
connectionStream: metamaskStream,
logger: log,
shouldShimWeb3: true,
});