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image-transform-plugin

v0.3.0

Published

transform image from svg/jpeg/png/WebP/tiff to jpeg/png/WebP/tiff

Readme

Image-Transform-Plugin

描述

基于 sharp 库,把图片转换输出多张不同格式的图片,支持 SVG/PNG/JPEG/WebP/TIFF 转 PNG/JPEG/WebP/TIFF

安装

npm i image-transform-plugin -D

使用

new ImageTransformPlugin(config: ImageTransformConfig, option?: ImageTransformOption)

把 progress.svg 输出两张图: png 图和 jpeg 图

import { ImageTransformPlugin, ImageTransformFormat } from "image-transform-plugin";

const imageTransform = new ImageTransformPlugin({
  input: "./assets/progress.svg",
  output: [
    {
      file: "./dist/progress.png",
      format: ImageTransformFormat.PNG,
      width: 800,
    },
    {
      file: "./dist/progress.jpeg",
      format: ImageTransformFormat.JPEG,
    },
  ],
});
imageTransform.transform();

注意:在webpack中使用,可以使用包image-transform-webpack-plugin

config参数

input

Type: String

配置需转换源图的文件地址,输入源的图片类型支持格式有SVG/PNG/JPEG/WebP/TIFF

eg: ./asset/icon.svg

format

Type: ImageTransformFormat

输出图片的格式类型,可选有PNG/JPEG/WebP/TIFF

output

Type: ImageTransformOutput | ImageTransformOutput[]

配置转换图的输出列表

ImageTransformOutput 对象属性:

  • file:输出的图片地址,eg: ./dist/icon_64x64.png
  • format:输出图片的格式类型,可选值同上format
  • width:输出图片的宽,可选
  • height:输出图片的高,可选

option参数

autoCreateOutputDir

Type: Boolean

输出的图片地址目录不存在时,是否自动创建该目录。默认值为true,若改为false且目录不存在时,停止转换