paularmstrong

export default function(target) {
  const originalMethods = {
    UNSAFE_componentWillMount: target.prototype.UNSAFE_componentWillMount || noop,
    componentDidMount: target.prototype.componentDidMount || noop,
    UNSAFE_componentWillUpdate: target.prototype.UNSAFE_componentWillUpdate || noop,
    componentDidUpdate: target.prototype.componentDidUpdate || noop,
    componentWillUnmount: target.prototype.componentWillUnmount || noop
  };

paularmstrong

/**
 * Copyright (c) 2019 Paul Armstrong
 */
import React from 'react';
import { render } from 'react-testing-library';
import Tooltip from '../Tooltip';
import { Dimensions, MeasureOnSuccessCallback, View } from 'react-native';

describe('Tooltip', () => {
  let viewRef;

paularmstrong

/**
 * Copyright (c) 2019 Paul Armstrong
 */
import * as Theme from '../theme';
import React from 'react';
import { StyleProp, StyleSheet, TouchableOpacity, TouchableOpacityProps, View, ViewStyle } from 'react-native';

interface Props {
  children: React.ReactElement;
  disabled?: boolean;

paularmstrong

export default function(target) {
  const originalMethods = {
    UNSAFE_componentWillMount: target.prototype.UNSAFE_componentWillMount || noop,
    componentDidMount: target.prototype.componentDidMount || noop,
    UNSAFE_componentWillUpdate: target.prototype.UNSAFE_componentWillUpdate || noop,
    componentDidUpdate: target.prototype.componentDidUpdate || noop,
    componentWillUnmount: target.prototype.componentWillUnmount || noop
  };

  target.prototype.UNSAFE_componentWillMount = function(...args) {

paularmstrong

define(['modules/foo'], function (foo) {
  
  describe('test foo', function () {
    // ...
  });
  
});

paularmstrong

Convert Mocha and Chai to Jest

$ jscodeshift <path> -t assert-to-expect.js
$ jscodeshift <path> -t mocha-to-jest.js

paularmstrong

const HeartIcon = (props) => React.createElement('svg', {
  ...props,
  dangerouslySetInnerHTML: { __html: '<g><path d="M38.723 12c-7.187 0-11.16 7.306-11.723 8.131C26.437 19.306 22.504 12 15.277 12 8.791 12 3.533 18.163 3.533 24.647 3.533 39.964 21.891 55.907 27 56c5.109-.093 23.467-16.036 23.467-31.353C50.467 18.163 45.209 12 38.723 12z"></path></g>' },
  viewBox: '0 0 54 72'
});

paularmstrong

function memorySizeOf(obj) {
    var bytes = 0;

    function sizeOf(obj) {
        if(obj !== null && obj !== undefined) {
            switch(typeof obj) {
            case 'number':
                bytes += 8;
                break;
            case 'string':

paularmstrong

function memorySizeOf(obj) {
    var bytes = 0;

    function sizeOf(obj) {
        if(obj !== null && obj !== undefined) {
            switch(typeof obj) {
            case 'number':
                bytes += 8;
                break;
            case 'string':

paularmstrong

const FetchStatus = {
  FAILED: 'failed',
  LOADED: 'loaded',
  LOADING: 'loading',
  NONE: 'none'
};

class LoadingRenderer extends React.Component {
  static propTypes = {
    fetchStatus: React.PropTypes.oneOf(Object.values(FetchStatus)).isRequired,