Jaco Greeff
71c5920b1f
* Off to the races - 3760 problems (1794 errors, 1966 warnings)
* Convert Array<T> -> T[] (not all correct, eg. extends)
* () => { -> (): void => {
* get is/as -> public get is/as
* public for getters, constructors & base Codec
* Some cleanups from previous overzealous search & replace
* Under 2k, 1874 problems (649 errors, 1225 warnings)
* ^^^ check that commit for details ;)
* Minor.
* rm config header
* Minor cleanups
* Default to tslint, eslint as option
* Trigger
* Update jsonrpc
* 1494 problems (433 errors, 1061 warnings)
* 1103 problems (135 errors, 968 warnings)
* 899 problems (9 errors, 890 warnings)
* 483 problems (9 errors, 474 warnings) (ignore any... for now)
* 366 problems (9 errors, 357 warnings)
* 336 problems (9 errors, 327 warnings)
* 148 problems (9 errors, 139 warnings)
* 31 problems (8 errors, 23 warnings)
* 0, 0
23 lines
692 B
JavaScript
23 lines
692 B
JavaScript
/* eslint-disable @typescript-eslint/no-var-requires */
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// Import the API
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const { ApiPromise } = require('@polkadot/api');
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async function main () {
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// Create a new instance of the api
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const api = await ApiPromise.create();
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// Subscribe to chain updates and log the current block number on update.
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const unsubscribe = await api.rpc.chain.subscribeNewHead((header) => {
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console.log(`Chain is at block: #${header.blockNumber}`);
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});
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// In this example we're calling the unsubscribe() function that is being
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// returned by the api call function after 20s.
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setTimeout(() => {
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unsubscribe();
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console.log('Unsubscribed');
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}, 20000);
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}
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main().catch(console.error);
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