@metamask/account-api
Version:
MetaMask Account API
59 lines • 2.21 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.selectOne = selectOne;
exports.select = select;
const keyring_utils_1 = require("@metamask/keyring-utils");
const internal_1 = require("./internal/index.cjs");
/**
* Query an account matching the selector.
*
* @param accounts - List of accounts to select from.
* @param selector - Query selector.
* @returns The account matching the selector or undefined if not matching.
* @throws If multiple accounts match the selector.
*/
function selectOne(accounts, selector) {
const matched = select(accounts, selector);
if (matched.length > 1) {
throw new Error(`Too many account candidates, expected 1, got: ${matched.length}`);
}
if (matched.length === 0) {
return undefined;
}
return matched[0]; // This is safe, see checks above.
}
/**
* Query accounts matching the selector.
*
* @param accounts - List of accounts to select from.
* @param selector - Query selector.
* @returns The accounts matching the selector.
*/
function select(accounts, selector) {
return accounts.filter((account) => {
let selected = true;
if (selector.id) {
selected && (selected = account.id === selector.id);
}
if (selector.address) {
selected && (selected = account.address === selector.address);
}
if (selector.type) {
selected && (selected = account.type === selector.type);
}
if (selector.methods !== undefined) {
selected && (selected = (0, internal_1.areBothEmpty)(selector.methods, account.methods) ||
selector.methods.some((method) => account.methods.includes(method)));
}
if (selector.scopes !== undefined) {
selected && (selected = (0, internal_1.areBothEmpty)(selector.scopes, account.scopes) ||
selector.scopes.some((scope) => {
return (
// This will cover specific EVM EOA scopes as well.
(0, keyring_utils_1.isScopeEqualToAny)(scope, account.scopes));
}));
}
return selected;
});
}
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