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Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

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import { firstValueFrom, Subject, take } from 'rxjs' import AccountSelect from './views/AccountSelect.svelte' import { accounts$ } from './streams.js' import { validateSelectAccountOptions } from './validation.js' import type { SelectAccountOptions, Account } from './types.js' // eslint-disable-next-line max-len const accountSelect = async ( options: SelectAccountOptions ): Promise<Account[]> => { if (options) { const error = validateSelectAccountOptions(options) if (error) { throw error } } const app = mountAccountSelect(options, accounts$) accounts$.pipe(take(1)).subscribe(() => { app.$destroy() }) return firstValueFrom(accounts$) } // eslint-disable-next-line max-len const mountAccountSelect = ( selectAccountOptions: SelectAccountOptions, accounts$: Subject<Account[]> ) => { class AccountSelectEl extends HTMLElement { constructor() { super() } } if (!customElements.get('account-select')) { customElements.define('account-select', AccountSelectEl) } // add to DOM const accountSelectDomElement = document.createElement('account-select') const target = accountSelectDomElement.attachShadow({ mode: 'open' }) accountSelectDomElement.style.all = 'initial' target.innerHTML = ` <style> :host { /* COLORS */ --white: white; --black: black; --primary-100: #eff1fc; --primary-200: #d0d4f7; --primary-300: #b1b8f2; --primary-500: #6370e5; --primary-600: #454ea0; --gray-100: #ebebed; --gray-200: #c2c4c9; --gray-300: #999ca5; --gray-500: #33394b; --gray-700: #1a1d26; --danger-500: #ff4f4f; /* FONTS */ --font-family-normal: var(--w3o-font-family, Inter, sans-serif); --font-size-5: 1rem; --font-size-6: .875rem; --font-size-7: .75rem; --font-line-height-1: 24px; /* SPACING */ --margin-4: 1rem; --margin-5: 0.5rem; /* MODAL POSITION */ --account-select-modal-z-index: 20; --account-select-modal-top: unset; --account-select-modal-right: unset; --account-select-modal-bottom: unset; --account-select-modal-left: unset; /* SHADOWS */ --shadow-1: 0px 4px 12px rgba(0, 0, 0, 0.1); /* THEMING */ --background-color: var(--w3o-background-color, #FFF); --foreground-color: var(--w3o-foreground-color); --text-color: var(--w3o-text-color, inherit); --border-color: var(--w3o-border-color, var(--gray-200)); --action-color: var(--w3o-action-color, var(--primary-500)); } </style> ` const containerElementQuery = selectAccountOptions.containerElement || 'body' const containerElement = document.querySelector(containerElementQuery) if (!containerElement) { throw new Error( `Element with query ${containerElementQuery} does not exist.` ) } containerElement.appendChild(accountSelectDomElement) const app = new AccountSelect({ target: target, props: { selectAccountOptions, accounts$ } }) return app } export default accountSelect