setup-jest.ts

/* eslint-disable no-undef */
import 'jest-preset-angular'

/** global mocks for jsdom */
const mock = () => {
    let storage: { [key: string]: string } = {}
    return {
        getItem: (key: string) => (key in storage ? storage[key] : null),
        setItem: (key: string, value: string) => (storage[key] = value || ''),
        removeItem: (key: string) => delete storage[key],
        clear: () => (storage = {}),
    }
}

Object.defineProperty(window, 'localStorage', { value: mock() })
Object.defineProperty(window, 'sessionStorage', { value: mock() })
Object.defineProperty(window, 'getComputedStyle', {
    value: () => ['-webkit-appearance'],
})

Object.defineProperty(document.body.style, 'transform', {
    value: () => {
        return {
            enumerable: true,
            configurable: true,
        }
    },
})

/* output shorter and more meaningful Zone error stack traces */
// Error.stackTraceLimit = 2;