https://github.com/huruji/canvas-string-ellipsis

通过 canvas 测量文字长度，超过长度则使用省略号
https://github.com/huruji/canvas-string-ellipsis

Last synced: about 2 months ago
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通过 canvas 测量文字长度，超过长度则使用省略号

• Host: GitHub
• URL: https://github.com/huruji/canvas-string-ellipsis
• Owner: huruji
• Created: 2020-02-19T07:06:12.000Z (almost 5 years ago)
• Default Branch: master
• Last Pushed: 2023-03-02T17:49:01.000Z (almost 2 years ago)
• Last Synced: 2024-11-11T11:45:15.620Z (2 months ago)
• Language: TypeScript
• Size: 1.71 MB
• Stars: 6
• Watchers: 3
• Forks: 0
• Open Issues: 5
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md

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README

        
# canvas-string-ellipsis

通过 canvas 测量文字长度，超过长度则使用省略号

> 有时候我们不得不手动根据长度测量截取字符串，那么这个时候这个就很有用

## How to use

``` bash

npm i canvas-string-ellipsis -S

```

``` js

import cse from 'canvas-string-ellipsis';

const str = 'canvas-string-ellipisis';

const [res, sliced, width] = cse(str, 100)

// res: canvas-string-ellipisis

// sliced: false

// width: 96

const [res2, sliced2, width2] = cse(str, 50)

// res: canvas-stri...

// sliced: true

// width: 50

```

## API 参数

``` typescript

function cse(str: string, maxWidth: number, font?: string): [string, boolean, number]

```

### str

原始字符串

### maxWidth

长度

### font

canvas font 设置，默认为 `14px sans-serif` 

### 返回值

返回值有三个组成一个数组，分别为截取后的字符串，是否截取，真实宽度