@cloudflare/vitest-pool-workers/dist/codemods/vitest-v3-to-v4.mjs

Workers Vitest integration for writing Vitest unit and integration tests that run inside the Workers runtime

//#region src/codemods/vitest-v3-to-v4.ts
function isNamedProp(j, prop, name) {
	return (j.Property.check(prop) || j.ObjectProperty.check(prop)) && j.Identifier.check(prop.key) && prop.key.name === name;
}
function findNamedProp(j, properties, name) {
	return properties.find((prop) => isNamedProp(j, prop, name));
}
function transform(fileInfo, api) {
	const j = api.jscodeshift;
	const root = j(fileInfo.source);
	const configImports = root.find(j.ImportDeclaration, { source: { value: "@cloudflare/vitest-pool-workers/config" } });
	if (configImports.length === 0) return fileInfo.source;
	configImports.forEach((path) => {
		path.node.source.value = "@cloudflare/vitest-pool-workers";
		path.node.specifiers = [j.importSpecifier(j.identifier("cloudflareTest")), ...path.node.specifiers?.filter((s) => !(s.type === "ImportSpecifier" && s.imported?.name === "defineWorkersProject")) ?? []];
	});
	const allImports = root.find(j.ImportDeclaration);
	if (allImports.length > 0) allImports.at(-1).forEach((path) => {
		path.insertAfter(j.importDeclaration([j.importSpecifier(j.identifier("defineConfig"))], j.stringLiteral("vitest/config")));
	});
	root.find(j.CallExpression, { callee: { name: "defineWorkersProject" } }).forEach((path) => {
		path.node.callee.name = "defineConfig";
		const config = path.node.arguments[0];
		if (!j.ObjectExpression.check(config)) throw new Error("defineWorkersProject() is called with a function and not an object, and so is too complex to apply a codemod to. Please refer to the migration docs to perform the migration manually.");
		const testProp = findNamedProp(j, config.properties, "test");
		if (!testProp || !j.ObjectExpression.check(testProp.value)) throw new Error("Could not find `test` property in config");
		const testObj = testProp.value;
		const poolOptionsProp = findNamedProp(j, testObj.properties, "poolOptions");
		if (!poolOptionsProp || !j.ObjectExpression.check(poolOptionsProp.value)) throw new Error("Could not find `test.poolOptions` property in config");
		const poolOptionsObj = poolOptionsProp.value;
		const workersProp = findNamedProp(j, poolOptionsObj.properties, "workers");
		if (!workersProp || !(j.ObjectExpression.check(workersProp.value) || j.FunctionExpression.check(workersProp.value) || j.ArrowFunctionExpression.check(workersProp.value))) throw new Error("Could not find `test.poolOptions.workers` property in config");
		const pluginCall = j.callExpression(j.identifier("cloudflareTest"), [workersProp.value]);
		const pluginsProp = findNamedProp(j, config.properties, "plugins");
		if (pluginsProp && j.ArrayExpression.check(pluginsProp.value)) pluginsProp.value.elements.unshift(pluginCall);
		else config.properties.unshift(j.objectProperty(j.identifier("plugins"), j.arrayExpression([pluginCall])));
		testObj.properties = testObj.properties.filter((prop) => !isNamedProp(j, prop, "poolOptions"));
	});
	return root.toSource();
}
const parser = "ts";

//#endregion
export { transform as default, parser };
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