@fgv/ts-utils-jest/dist/matchers/toSucceedAndSatisfy/predicate.js

Custom matchers for ts-utils result class

import { captureResult, fail, succeed } from '../../ts-utils';
export const matcherName = 'toSucceedAndSatisfy';
// If the result is successful and callback does not throw, returns Success with the callback return value, or
//    true if the callback returns undefined
// If the result is successful but the callback throws, returns Failure with the thrown error
// If the result is failure, returns Success with undefined
export function predicate(received, cb, capture) {
    if (received.isSuccess()) {
        const cbResult = capture ? captureResult(() => cb(received.value)) : succeed(cb(received.value));
        if (cbResult.isSuccess()) {
            return succeed(cbResult.value === true || cbResult.value === undefined);
        }
        return fail(`  Callback failed with:\n    ${cbResult.message}`);
    }
    return succeed(undefined);
}
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