blob: 0c3e214f072514a0aa8eccff40fe0666c9735549 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
import { promises as fs } from 'fs'
import { ImagePool } from '@squoosh/lib'
import { cpus } from 'os'
const imagePool = new ImagePool(cpus().length)
// read the file names in the backgrounds folder
const backgrounds = await fs.readdir('static/backgrounds')
// sort by natural order
backgrounds.sort((a, b) => a.localeCompare(b, 'en', { numeric: true, ignorePunctuation: true }))
await fs.writeFile(
'src/_backgrounds.json',
JSON.stringify(backgrounds),
{ encoding: 'utf8' }
)
// resize the backgrounds
async function resizeBackground(name) {
const file = await fs.readFile(`static/backgrounds/${name}`)
const image = imagePool.ingestImage(file)
const preprocessOptions = {
resize: {
width: 512,
},
}
await image.preprocess(preprocessOptions)
await image.encode({
mozjpeg: {
quality: 30,
},
})
const rawEncodedImage = await image.encodedWith.mozjpeg
await fs.writeFile(`static/backgrounds-small/${name}`, rawEncodedImage.binary)
}
try {
await fs.rm('static/backgrounds-small', { recursive: true })
} catch {
// it errors if the directory already doesn't exist
}
await fs.mkdir('static/backgrounds-small', { recursive: true })
await Promise.all(backgrounds.map(b => resizeBackground(b)))
await imagePool.close()
|
