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react-native-adaptive-utils

Install

npm install react-native-adaptive-utils

Import

import { YourNeed } from "react-native-adaptive-utils";

Demo

Such as, import debounce function.

import { debounce } from "react-native-adaptive-utils";

API

1 Improve tools.

1.1 debounce

The appointed time（default 500ms ）,trigger many times that execute last once.

Demo

debounce(() => {
  console.log(1);
}, 500);

Means if trigger many times in 500ms, execute last once.

1.2 throttle

The appointed time（default 500ms ）, ignored triggers after first once executed.

Demo

throttle(() => {
  console.log(1);
}, 500);

Means execute first once, then if trigger many times in 500ms, ignored.

1.3 randomString

Generates a random string of a specified length (32 bits by default).

Demo

let randomStr = randomString(16);

Above generate '16' length random number.

1.4 integerDecimalsFormat

The integer is displayed in thousands of fractions

Demo

let thousandsNum = integerDecimalsFormat(-456123131.12301);

The above num format is' -456,123,131.12301 '

1.5 computeSomeCharsCount

Counts the number of occurrences of a specified character or string in a string

Demo

let count = computeSomeCharsCount("ad", "adsfdasf");

The count above is the number of occurrences of 'AD' in 'adsfdasf'

1.5 allSettled

Encapsulated in the rn Promise.all () simulation Promise.allSettled ()

Demo

allSettled(['promiseA','promiseB',...])

Returns an array containing the success or failure returns of all Promises

2 validator

2.1 validPhone

Verify phone no.

Demo

let checkPhoneFlag = validPhone(12);

2.2 validEmail

Verify E-mail.

Demo

let checkEmailFlag = validEmail(12);

2.3 validCardNo

Verify Chinese card no.

Demo

let checkCardNoFlag = validCardNo(12);

2.4 strLimit

Character length limit verification

Demo

let text = limitStr(str, length);

2.5 isImg

Image type verification

Demo

let isPicture = isImg(target);

3 Resolution

3.1 dynamicFontSize

Get font size base on width.

Demo

let fontSize = dynamicFontSize(12);

Suggest Usage：

const styles = StyleSheet.create({
  container: {
    fontSize: dynamicFontSize(12)
  }
});

3.2 isIphoneX

Check whether it is iphonex

Demo

isIphoneX() ? "..." : "...";

const styles = StyleSheet.create({
  container: {
    height: isIphoneX() ? 15 : 20;
  }
});
### 3.3 getTitleBarHeight

Gets the title bar height based on the current screen.

#### Demo

let height = getTitleBarHeight();

const styles = StyleSheet.create({
  container: {
    height: getTitleBarHeight();
  }
});

Todo List

• Get image type.
• Determines the upper limit of input characters in the text box.
• Generate UUID.
• RN-allSettled

Todo Prepare

• Network tool.