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