Modrinth/plugins/sveld.js
2022-05-26 19:17:15 -07:00

56 lines
1.6 KiB
JavaScript

import { ComponentParser } from 'sveld'
import * as svelte from 'svelte/compiler'
import fs from 'fs/promises'
import path from 'path'
import { preprocess } from '../src/package/config/svelte.config.js'
export default function sveld() {
return {
name: 'vite-plugin-sveld',
async transform(src, id) {
if (id.endsWith('?raw&sveld')) {
const raw = JSON.parse(src.split('export default ')[1])
const data = await parseRaw(raw, id)
return {
code: `export default ${JSON.stringify(data)}`,
map: null,
}
}
},
// This generates a `COMPONENT_API.json` with sveld in the `/_app` folder on build, which is used by the docs about components (only when built statically)
async buildStart() {
const output = {}
const componentFiles = await fs.readdir(path.resolve('./src/package/components'))
for (const fileName of componentFiles.filter((name) => name.endsWith('.svelte'))) {
const filePath = path.resolve('./src/package/components', fileName)
const raw = (await fs.readFile(filePath)).toString()
output[fileName] = await parseRaw(raw, filePath)
}
try {
await fs.mkdir(path.resolve('./src/generated'))
} catch {
// Do nothing, directory already exists
}
await fs.writeFile(path.resolve('./src/generated/COMPONENT_API.json'), JSON.stringify(output))
},
}
}
async function parseRaw(raw, filePath) {
let { code } = await svelte.preprocess(raw, preprocess, {
filename: filePath,
})
return new ComponentParser({
verbose: false,
}).parseSvelteComponent(code, {
filePath,
moduleName: filePath,
})
}