62 lines
1.3 KiB
JavaScript
62 lines
1.3 KiB
JavaScript
const fs = require('fs')
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const resizeImg = require('resize-img')
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class Resize {
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constructor (width, heigth) {
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this.size = {
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width: 128,
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heigth: 128
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}
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if (width && heigth) {
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this.setSize(width, heigth)
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}
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}
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_createOutputFilename (input) {
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return `${input}_${this.size.width}x${this.size.heigth}`
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}
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_resize (input, output, callback) {
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fs.readFile(input, (err, data) => {
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if (err) {
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callback(err, null)
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return false
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}
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resizeImg(data, this.size).then(buf => {
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fs.writeFile(output, buf, (err) => {
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if (err) {
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callback(err, null)
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return false
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}
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callback(null, { input: input, output: output, size: this.size })
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})
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})
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})
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}
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setSize (width, heigth) {
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this.size = {
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width: width,
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heigth: heigth
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}
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}
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createThumbnail (file, callback) {
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this.setSize(128, 128)
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this._resize(file, this._createOutputFilename(file), callback)
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}
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createLargeImage (file, callback) {
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this.setSize(1600, 1200)
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this._resize(file, this._createOutputFilename(file), callback)
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}
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resize (file, width, heigth, callback) {
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this.setSize(width, heigth)
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this._resize(file, this._createOutputFilename(file), callback)
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}
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}
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module.exports = Resize
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