How to use the @polkadot/extension-dapp.web3Enable function in @polkadot/extension-dapp
To help you get started, we’ve selected a few @polkadot/extension-dapp examples, based on popular ways it is used in public projects.
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polkadot-js / apps / packages / react-api / src / Api.tsx View on Github 
interface State extends ApiProps {
chain?: string | null;
}
interface InjectedAccountExt {
address: string;
meta: {
name: string;
source: string;
};
}
const DEFAULT_DECIMALS = createType(registry, 'u32', 12);
const DEFAULT_SS58 = createType(registry, 'u32', addressDefaults.prefix);
const injectedPromise = web3Enable('polkadot-js/apps');
let api: ApiPromise;
export { api };
export default class Api extends React.PureComponent {
public state: State = {} as unknown as State;
constructor (props: Props) {
super(props);
const { queuePayload, queueSetTxStatus, url } = props;
const provider = new WsProvider(url);
const signer = new ApiSigner(queuePayload, queueSetTxStatus);
const setApi = (provider: ProviderInterface): void => {
api = this.createApi(provider, signer);@polkadot/extension-dapp
Provides an interfaces around the injected globals for ease of access by dapp developers.
