1234567891011121314151617181920212223242526272829303132333435363738
import {tryCatch, delay} from 'rambda'
describe('R.tryCatch', () => {  it('synchronous', () => {    const fn = (x: any) => x.x === 1
    const result = tryCatch(fn, false)(null)    result // $ExpectType boolean  })  it('synchronous + fallback is function', () => {    const fn = (x: any) => typeof x.x    const fallback = (x: any) => typeof x    const result = tryCatch<any, string>(fn, fallback)(null)    result // $ExpectType string  })
  it('asynchronous', async() => {    const fn = async(input: any) => {      return typeof JSON.parse('{a:')    }    const result = await tryCatch<string>(fn, 'fallback')(100)    result // $ExpectType string  })
  it('asynchronous + fallback is asynchronous', async() => {    const fn = async(input: any) => {      await delay(100)      return JSON.parse(`{a:${input}`)    }    const fallback = async(input: any) => {      await delay(100)      return 'foo'    }    const result = await tryCatch<string>(fn, fallback)(100)    result // $ExpectType string  })})