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TypeScript CheatSheet

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Notice: This started as a Cheat Sheet, then extended to be so long! (I didn't expected that!).

Types

Types (Detail)

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How to manage Android Virtual Devices from command line

Emulator

List all your emulators:

emulator -list-avds

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https://huaweiadvices.com/remove-preinstalled-system-apps-huawei-honor-phones/ https://forum.xda-developers.com/t/guide-list-of-bloatware-on-emui-safe-to-remove.3700814/

adb devices
adb shell

pm uninstall -k --user 0 com.huawei.android.tips
pm uninstall -k --user 0 com.touchtype.swiftkey
pm uninstall -k --user 0 com.swiftkey.swiftkeyconfigurator
pm uninstall -k --user 0 com.huawei.indiacalendar

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Basic Methods

Prefix	Method
imp→	import moduleName from 'module'
imn→	import 'module'
imd→	import { destructuredModule } from 'module'
ime→	import * as alias from 'module'
ima→	import { originalName as aliasName} from 'module'
exp→	export default moduleName

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Using the DOM like a Pro

Selecting elements

Single element

To select a single element using any valid CSS selector use:

document.querySelector(/* your selector */)

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Syntax

Overview

Parsing a Stylesheet

Structure of a Stylesheet

Comments

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Core Components and APIs

1. Basic Components
   1. View
   2. Text
   3. Image
   4. ImageBackground
   5. TextInput
   6. ScrollView
2. StyleSheet

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Fundamentals

• Create React App
• Functional Components
• Class Componenets
• JSX
• Props and State
• useState and useEffect Hooks
• setState and Component Lifecycle Methods
• Conditional Rendering

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// Select the node that will be observed for mutations
const targetNode = document.querySelector('#order_review');

// Options for the observer (which mutations to observe)
const config = {
  attributes: false,
  attributeFilter: ['class'],
  attributeOldValue: false,
 characterData: false,

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Guides

Schemas

SchemaTypes

Connections

Models

Documents

Subdocuments

Queries