1import * as fs from "fs/promises"
 2import * as fsSync from "fs"
 3import * as path from "path"
 4import { compile } from "json-schema-to-typescript"
 5
 6const BANNER = `/*
 7* This file is autogenerated
 8*/\n\n`
 9const dirname = __dirname
10
11async function main() {
12    const schemasPath = path.join(dirname, "../../", "crates/theme/schemas")
13    const schemaFiles = (await fs.readdir(schemasPath)).filter((x) =>
14        x.endsWith(".json")
15    )
16
17    const compiledTypes = new Set()
18
19    for (const filename of schemaFiles) {
20        const filePath = path.join(schemasPath, filename)
21        const fileContents = await fs.readFile(filePath)
22        const schema = JSON.parse(fileContents.toString())
23        const compiled = await compile(schema, schema.title, {
24            bannerComment: "",
25        })
26        const eachType = compiled.split("export")
27        for (const type of eachType) {
28            if (!type) {
29                continue
30            }
31            compiledTypes.add("export " + type.trim())
32        }
33    }
34
35    const output = BANNER + Array.from(compiledTypes).join("\n\n")
36    const outputPath = path.join(dirname, "../../styles/src/types/zed.ts")
37
38    try {
39        const existing = await fs.readFile(outputPath)
40        if (existing.toString() == output) {
41            // Skip writing if it hasn't changed
42            console.log("Schemas are up to date")
43            return
44        }
45    } catch (e) {
46        // @ts-expect-error - It's fine if there's no output from a previous run.
47        if (e.code !== "ENOENT") {
48            throw e
49        }
50    }
51
52    const typesDic = path.dirname(outputPath)
53    if (!fsSync.existsSync(typesDic)) {
54        await fs.mkdir(typesDic)
55    }
56    await fs.writeFile(outputPath, output)
57    console.log(`Wrote Typescript types to ${outputPath}`)
58}
59
60main().catch((e) => {
61    console.error(e)
62    process.exit(1)
63})