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fix(codegen): write prettier-stable schema snapshot #43980

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fix(codegen): write prettier-stable schema snapshot #43980

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15 changes: 14 additions & 1 deletion packages/core/script/migration.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@ async function generate() {
renderMigration(name, await Bun.file(path.join(incremental, name, "migration.sql")).text()),
),
)
await fs.copyFile(path.join(incremental, name, "snapshot.json"), snapshot)
await Bun.write(snapshot, await formatJson(await Bun.file(path.join(incremental, name, "snapshot.json")).text()))
}

await fs.mkdir(full)
Expand Down Expand Up @@ -192,6 +192,19 @@ async function formatTypescript(input: string) {
})
}

// Drizzle emits every array multi-line; format the snapshot so regeneration
// diffs stay minimal against the prettier-styled checked-in copy.
async function formatJson(input: string) {
const prettier = await import("prettier")
const babel = await import("prettier/plugins/babel")
const estree = await import("prettier/plugins/estree")
return prettier.format(input, {
parser: "json",
plugins: [babel.default, estree.default],
printWidth: 120,
})
}

function renderRegistry(names: string[]) {
return `import type { DatabaseMigration } from "./migration.js"
${names.map((name, index) => `import m${index.toString().padStart(2, "0")} from "./migration/${name}.js"`).join("\n")}
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