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feat(add): drizzle add-on can now create multiple configs #704

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feat(add): drizzle add-on can now create multiple configs #704

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ae75f5e
fix add drizzle is now taking -C into account
jycouet Sep 11, 2025
87d1661
feat(add): `drizzle` add-on can now create multiple configs
jycouet Sep 11, 2025
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5 changes: 5 additions & 0 deletions .changeset/long-roses-bow.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'sv': patch
---

feat(add): `drizzle` add-on can now create multiple configs _(a new folder `db-x` if `db` already exists)_
54 changes: 33 additions & 21 deletions packages/addons/drizzle/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -68,33 +68,22 @@ const options = defineAddonOptions()
})
.build();

let forNextSteps = '';

export default defineAddon({
id: 'drizzle',
shortDescription: 'database orm',
homepage: 'https://orm.drizzle.team',
options,
setup: ({ kit, unsupported, runsAfter, cwd, typescript }) => {
setup: ({ kit, unsupported, runsAfter }) => {
runsAfter('prettier');

const ext = typescript ? 'ts' : 'js';
if (!kit) {
return unsupported('Requires SvelteKit');
}

const baseDBPath = path.resolve(kit.libDirectory, 'server', 'db');
const paths = {
'drizzle config': path.relative(cwd, path.resolve(cwd, `drizzle.config.${ext}`)),
'database schema': path.relative(cwd, path.resolve(baseDBPath, `schema.${ext}`)),
database: path.relative(cwd, path.resolve(baseDBPath, `index.${ext}`))
};

for (const [fileType, filePath] of Object.entries(paths)) {
if (fs.existsSync(filePath)) {
unsupported(`Preexisting ${fileType} file at '${filePath}'`);
}
}
},
run: ({ sv, typescript, options, kit, dependencyVersion }) => {
run: ({ sv, typescript, options, kit, dependencyVersion, cwd }) => {
if (!kit) throw new Error('SvelteKit is required');
const ext = typescript ? 'ts' : 'js';

sv.devDependency('drizzle-orm', '^0.40.0');
Expand Down Expand Up @@ -206,7 +195,24 @@ export default defineAddon({
});
}

sv.file(`drizzle.config.${ext}`, (content) => {
let baseDBPath = path.resolve(cwd, kit.libDirectory, 'server', 'db');
const paths = {
drizzleConfig: path.resolve(cwd, `drizzle.config.${ext}`),
databaseSchema: path.resolve(baseDBPath, `schema.${ext}`),
database: path.resolve(baseDBPath, `index.${ext}`)
};

let index = 2; // let's start with 2.
while (Object.values(paths).some(fs.existsSync)) {
baseDBPath = path.resolve(cwd, kit.libDirectory, 'server', `db-${index}`);
forNextSteps = `You already have some database files. We'll create new files in___${path.relative(cwd, baseDBPath)}`;
paths.drizzleConfig = path.resolve(cwd, `drizzle-${index}.config.${ext}`);
paths.databaseSchema = path.resolve(baseDBPath, `schema.${ext}`);
paths.database = path.resolve(baseDBPath, `index.${ext}`);
index++;
}

sv.file(paths.drizzleConfig, (content) => {
const { ast, generateCode } = parseScript(content);

imports.addNamed(ast, { from: 'drizzle-kit', imports: { defineConfig: 'defineConfig' } });
Expand Down Expand Up @@ -234,7 +240,7 @@ export default defineAddon({
return generateCode();
});

sv.file(`${kit?.libDirectory}/server/db/schema.${ext}`, (content) => {
sv.file(paths.databaseSchema, (content) => {
const { ast, generateCode } = parseScript(content);

let userSchemaExpression;
Expand Down Expand Up @@ -286,7 +292,7 @@ export default defineAddon({
return generateCode();
});

sv.file(`${kit?.libDirectory}/server/db/index.${ext}`, (content) => {
sv.file(paths.database, (content) => {
const { ast, generateCode } = parseScript(content);

imports.addNamed(ast, {
Expand Down Expand Up @@ -417,9 +423,15 @@ export default defineAddon({
});
},
nextSteps: ({ options, highlighter, packageManager }) => {
const steps = [
const steps: string[] = [];
if (forNextSteps) {
const [p1, p2] = forNextSteps.split('___');
steps.push(`${p1} ${highlighter.path(p2)}`);
}
highlighter.route;
steps.push(
`You will need to set ${highlighter.env('DATABASE_URL')} in your production environment`
];
);
if (options.docker) {
const { command, args } = resolveCommand(packageManager, 'run', ['db:start'])!;
steps.push(
Expand Down
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