44 lines
1.6 KiB
TypeScript
44 lines
1.6 KiB
TypeScript
// Copyright 2017-2020 @polkadot/apps authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import queryString from 'query-string';
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import store from 'store';
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import { availableEndpoints } from '@polkadot/apps-config/settings';
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import { registry } from '@polkadot/react-api';
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import settings from '@polkadot/ui-settings';
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// we split here so that both these forms are allowed
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// - http://localhost:3000/?rpc=wss://substrate-rpc.parity.io/#/explorer
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// - http://localhost:3000/#/explorer?rpc=wss://substrate-rpc.parity.io
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const urlOptions = queryString.parse(location.href.split('?')[1]);
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const stored = store.get('settings') || {};
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if (Array.isArray(urlOptions.rpc)) {
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throw new Error('Invalid WS endpoint specified');
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}
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const fallbackUrl = availableEndpoints.find(({ value }) => !!value) || { value: 'ws://127.0.0.1:9944' };
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const apiUrl = urlOptions.rpc // we have a supplied value
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? urlOptions.rpc.split('#')[0] // https://polkadot.js.org/apps/?rpc=ws://127.0.0.1:9944#/explorer
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: [stored.apiUrl, process.env.WS_URL].includes(settings.apiUrl) // overridden, or stored
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? settings.apiUrl // keep as-is
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: fallbackUrl.value as string; // grab the fallback
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// set the default as retrieved here
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settings.set({ apiUrl });
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console.log('WS endpoint=', apiUrl);
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try {
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const types = store.get('types') || {};
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const names = Object.keys(types);
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if (names.length) {
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registry.register(types);
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console.log('Type registration:', names.join(', '));
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}
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} catch (error) {
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console.error('Type registration failed', error);
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}
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