new paraglide beta release

.changeset/config.json

@@ -9,6 +9,8 @@
     "@inlang/cli",
     "@inlang/fink",
     "@inlang/paraglide-js",
+    "@inlang/paraglide-next",
+    "@inlang/paraglide-astro",
     "@inlang/paraglide-sveltekit",
     "@inlang/paraglide-js-example-cli",
     "@inlang/paraglide-js-example-vite",

inlang/packages/paraglide/paraglide-astro/example/package.json

@@ -6,7 +6,7 @@
 	"scripts": {
 		"dev": "astro dev",
 		"start": "astro dev",
-		"build": "paraglide-js compile --project ./project.inlang && astro check && astro build",
+		"build": "astro check && astro build",
 		"preview": "astro preview",
 		"astro": "astro"
 	},

inlang/packages/paraglide/paraglide-astro/example/src/components/BaseHead.astro

@@ -8,7 +8,7 @@ interface Props {
 	image?: string;
 }
 
-const { title, description, image = "/blog-placeholder-1.jpg" } = Astro.props;
+const { title, description } = Astro.props;
 
 const pathWithoutLocale = deLocalizePath(Astro.url.pathname);
 ---

inlang/packages/paraglide/paraglide-astro/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@inlang/paraglide-astro",
-	"version": "1.0.0-beta.3",
+	"version": "1.0.0-beta.4",
 	"author": "inlang <[email protected]> (https://inlang.com/)",
 	"description": "A fully type-safe i18n library specifically designed for partial hydration patterns like Astro's islands.",
 	"homepage": "https://inlang.com/m/iljlwzfs/paraglide-astro-i18n",
@@ -22,8 +22,10 @@
 		"format": "prettier ./src --write",
 		"clean": "rm -rf ./dist ./node_modules"
 	},
+	"dependencies": {
+		"@inlang/paraglide-js": "workspace:*"
+	},
 	"peerDependencies": {
-		"@inlang/paraglide-js": "^2",
 		"astro": "^4 || ^5"
 	},
 	"devDependencies": {

inlang/packages/paraglide/paraglide-js/src/bundler-plugins/unplugin.ts

@@ -3,17 +3,24 @@ import { compile, type CompilerOptions } from "../compiler/compile.js";
 import fs from "node:fs";
 import { resolve } from "node:path";
 import { nodeNormalizePath } from "../utilities/node-normalize-path.js";
+import { Logger } from "../cli/index.js";
 
 const PLUGIN_NAME = "unplugin-paraglide-js";
 
+const logger = new Logger();
+
+let compilationResult: Awaited<ReturnType<typeof compile>> | undefined;
+
 export const unpluginFactory: UnpluginFactory<CompilerOptions> = (args) => ({
 	name: PLUGIN_NAME,
 	enforce: "pre",
 	async buildStart() {
-		await compile({
+		logger.info("Compiling inlang project...");
+		compilationResult = await compile({
 			fs: wrappedFs,
 			...args,
 		});
+		logger.success("Compilation complete");
 
 		for (const path of Array.from(readFiles)) {
 			this.addWatchFile(path);
@@ -23,10 +30,15 @@ export const unpluginFactory: UnpluginFactory<CompilerOptions> = (args) => ({
 		const shouldCompile = readFiles.has(path) && !path.includes("cache");
 		if (shouldCompile) {
 			readFiles.clear();
-			await compile({
-				fs: wrappedFs,
-				...args,
-			});
+			logger.info("Re-compiling inlang project...");
+			compilationResult = await compile(
+				{
+					fs: wrappedFs,
+					...args,
+				},
+				compilationResult?.outputHashes
+			);
+			logger.success("Compilation complete");
 		}
 	},
 	webpack(compiler) {

inlang/packages/paraglide/paraglide-js/src/cli/steps/run-compiler.ts

@@ -19,6 +19,6 @@ export const runCompiler: CliStep<
 		project: ctx.project,
 	});
 
-	await writeOutput(absoluteOutdir, output, ctx.fs);
+	await writeOutput({ directory: absoluteOutdir, output, fs: ctx.fs });
 	return { ...ctx };
 };

inlang/packages/paraglide/paraglide-js/src/compiler/compile-bundle.test.ts

@@ -63,3 +63,17 @@ const mockBundle: BundleNested = {
 		},
 	],
 };
+
+test("throws if a JS keyword is used as an identifier", async () => {
+	expect(() =>
+		compileBundle({
+			fallbackMap: {},
+			registry: {},
+			bundle: {
+				id: "then",
+				declarations: [],
+				messages: [],
+			},
+		})
+	).toThrow();
+});

inlang/packages/paraglide/paraglide-js/src/compiler/compile-bundle.ts

@@ -5,10 +5,8 @@ import { jsIdentifier } from "../services/codegen/identifier.js";
 import { isValidJSIdentifier } from "../services/valid-js-identifier/index.js";
 import { escapeForDoubleQuoteString } from "../services/codegen/escape.js";
 import type { Compiled } from "./types.js";
-import {
-	jsDocBundleFunctionTypes,
-	jsDocMessageFunctionTypes,
-} from "./jsdoc-types.js";
+import { jsDocBundleFunctionTypes } from "./jsdoc-types.js";
+import { KEYWORDS } from "../services/valid-js-identifier/reserved-words.js";
 
 export type CompiledBundleWithMessages = {
 	/** The compilation result for the bundle index */
@@ -29,6 +27,16 @@ export const compileBundle = (args: {
 }): CompiledBundleWithMessages => {
 	const compiledMessages: Record<string, Compiled<Message>> = {};
 
+	if (KEYWORDS.includes(args.bundle.id) || args.bundle.id === "then") {
+		throw new Error(
+			[
+				`You are using a reserved JS keyword as id "${args.bundle.id}".`,
+				"Rename the message bundle id to something else.",
+				"See https://github.com/opral/inlang-paraglide-js/issues/331",
+			].join("\n")
+		);
+	}
+
 	for (const message of args.bundle.messages) {
 		if (compiledMessages[message.locale]) {
 			throw new Error(`Duplicate locale: ${message.locale}`);
@@ -40,12 +48,6 @@ export const compileBundle = (args: {
 			message.variants,
 			args.registry
 		);
-		// add types to the compiled message function
-		const inputs = args.bundle.declarations.filter(
-			(decl) => decl.type === "input-variable"
-		);
-
-		compiledMessage.code = `${jsDocMessageFunctionTypes({ inputs })}\n${compiledMessage.code}`;
 
 		// set the pattern for the language tag
 		compiledMessages[message.locale] = compiledMessage;

inlang/packages/paraglide/paraglide-js/src/compiler/compile-message.test.ts

@@ -1,9 +1,9 @@
-import { it, expect } from "vitest";
+import { test, expect } from "vitest";
 import { compileMessage } from "./compile-message.js";
 import type { Declaration, Message, Variant } from "@inlang/sdk";
 import { DEFAULT_REGISTRY } from "./registry.js";
 
-it("compiles a message with a single variant", async () => {
+test("compiles a message with a single variant", async () => {
 	const declarations: Declaration[] = [];
 	const message: Message = {
 		locale: "en",
@@ -34,7 +34,7 @@ it("compiles a message with a single variant", async () => {
 	expect(some_message()).toBe("Hello");
 });
 
-it("compiles a message with variants", async () => {
+test("compiles a message with variants", async () => {
 	const declarations: Declaration[] = [
 		{ type: "input-variable", name: "fistInput" },
 		{ type: "input-variable", name: "secondInput" },
@@ -99,3 +99,35 @@ it("compiles a message with variants", async () => {
 	expect(some_message({ fistInput: 3, secondInput: 4 })).toBe("Catch all");
 	expect(some_message({ fistInput: 1, secondInput: 5 })).toBe("Catch all");
 });
+
+test("only emits input arguments when inputs exist", async () => {
+	const declarations: Declaration[] = [];
+	const message: Message = {
+		locale: "en",
+		bundleId: "some_message",
+		id: "message-id",
+		selectors: [],
+	};
+	const variants: Variant[] = [
+		{
+			id: "1",
+			messageId: "message-id",
+			matches: [],
+			pattern: [{ type: "text", value: "Hello" }],
+		},
+	];
+
+	const compiled = compileMessage(
+		declarations,
+		message,
+		variants,
+		DEFAULT_REGISTRY
+	);
+
+	expect(compiled.code, "single variant").toBe(
+		[
+			"/** @type {(inputs: {}) => string} */",
+			"export const some_message = () => `Hello`;",
+		].join("\n")
+	);
+});

inlang/packages/paraglide/paraglide-js/src/compiler/compile-message.ts

@@ -3,13 +3,11 @@ import type { Registry } from "./registry.js";
 import { compilePattern } from "./compile-pattern.js";
 import type { Compiled } from "./types.js";
 import { doubleQuote } from "../services/codegen/quotes.js";
+import { inputsType } from "./jsdoc-types.js";
 
 /**
  * Returns the compiled message as a string
  *
- * @example
- * @param message The message to compile
- * @returns (inputs) => string
  */
 export const compileMessage = (
 	declarations: Declaration[],
@@ -21,6 +19,7 @@ export const compileMessage = (
 	if (variants.length == 0) {
 		throw new Error("Message must have at least one variant");
 	}
+
 	const hasMultipleVariants = variants.length > 1;
 	return hasMultipleVariants
 		? compileMessageWithMultipleVariants(
@@ -29,10 +28,11 @@ export const compileMessage = (
 				variants,
 				registry
 			)
-		: compileMessageWithOneVariant(message, variants, registry);
+		: compileMessageWithOneVariant(declarations, message, variants, registry);
 };
 
 function compileMessageWithOneVariant(
+	declarations: Declaration[],
 	message: Message,
 	variants: Variant[],
 	registry: Registry
@@ -41,12 +41,15 @@ function compileMessageWithOneVariant(
 	if (!variant || variants.length !== 1) {
 		throw new Error("Message must have exactly one variant");
 	}
+	const inputs = declarations.filter((decl) => decl.type === "input-variable");
+	const hasInputs = inputs.length > 0;
 	const compiledPattern = compilePattern(
 		message.locale,
 		variant.pattern,
 		registry
 	);
-	const code = `export const ${message.bundleId} = (i) => ${compiledPattern.code}`;
+	const code = `/** @type {(inputs: ${inputsType(inputs)}) => string} */
+export const ${message.bundleId} = (${hasInputs ? "i" : ""}) => ${compiledPattern.code};`;
 	return { code, node: message };
 }
 
@@ -56,8 +59,12 @@ function compileMessageWithMultipleVariants(
 	variants: Variant[],
 	registry: Registry
 ): Compiled<Message> {
-	if (variants.length <= 1)
+	if (variants.length <= 1) {
 		throw new Error("Message must have more than one variant");
+	}
+
+	const inputs = declarations.filter((decl) => decl.type === "input-variable");
+	const hasInputs = inputs.length > 0;
 
 	// TODO make sure that matchers use keys instead of indexes
 	const compiledVariants = [];
@@ -101,9 +108,10 @@ function compileMessageWithMultipleVariants(
 		);
 	}
 
-	const code = `export const ${message.bundleId} = (i) => {
+	const code = `/** @type {(inputs: ${inputsType(inputs)}) => string} */
+export const ${message.bundleId} = (${hasInputs ? "i" : ""}) => {
 	${compiledVariants.join("\n\t")}
-}`;
+};`;
 
 	return { code, node: message };
 }

inlang/packages/paraglide/paraglide-js/src/compiler/compile-project.test.ts

@@ -1,5 +1,9 @@
 import { expect, test, describe, vi, beforeEach } from "vitest";
-import { createProject as typescriptProject, ts } from "@ts-morph/bootstrap";
+import {
+	createProject as typescriptProject,
+	ts,
+	type ProjectOptions,
+} from "@ts-morph/bootstrap";
 import {
 	type BundleNested,
 	Declaration,
@@ -381,22 +385,32 @@ describe.each([
 			});
 		});
 
+		// whatever the strictest users use, this is the ultimate nothing gets stricter than this
+		// (to avoid developers opening issues "i get a ts warning in my code")
+		const superStrictRuleOutAnyErrorTsSettings: ProjectOptions["compilerOptions"] =
+			{
+				outDir: "dist",
+				declaration: true,
+				allowJs: true,
+				checkJs: true,
+				noImplicitAny: true,
+				noUnusedLocals: true,
+				noUnusedParameters: true,
+				noImplicitReturns: true,
+				noImplicitThis: true,
+				noUncheckedIndexedAccess: true,
+				noPropertyAccessFromIndexSignature: true,
+				module: ts.ModuleKind.Node16,
+				strict: true,
+			};
+
 		// remove with v3 of paraglide js
 		test("./runtime.js types", async () => {
 			const project = await typescriptProject({
 				useInMemoryFileSystem: true,
-				compilerOptions: {
-					outDir: "dist",
-					declaration: true,
-					allowJs: true,
-					checkJs: true,
-					module: ts.ModuleKind.Node16,
-					strict: true,
-				},
+				compilerOptions: superStrictRuleOutAnyErrorTsSettings,
 			});
 
-			console.log(output["runtime.js"]);
-
 			for (const [fileName, code] of Object.entries(output)) {
 				if (fileName.endsWith(".js") || fileName.endsWith(".ts")) {
 					project.createSourceFile(fileName, code);
@@ -424,12 +438,18 @@ describe.each([
 
 		// isLocale should narrow the type of it's argument
 		const thing = 5;
+
+		let a: "de" | "en" | "en-US";
+
 		if(runtime.isLocale(thing)) {
-			const a : "de" | "en" | "en-US" = thing
+			a = thing
 		} else {
 			// @ts-expect-error - thing is not a language tag
-			const a : "de" | "en" | "en-US" = thing
+			a = thing
 		}
+
+		// to make ts not complain about unused variables
+		console.log(a)
   `
 			);
 
@@ -444,14 +464,7 @@ describe.each([
 		test("./messages.js types", async () => {
 			const project = await typescriptProject({
 				useInMemoryFileSystem: true,
-				compilerOptions: {
-					outDir: "dist",
-					declaration: true,
-					allowJs: true,
-					checkJs: true,
-					module: ts.ModuleKind.Node16,
-					strict: true,
-				},
+				compilerOptions: superStrictRuleOutAnyErrorTsSettings,
 			});
 
 			for (const [fileName, code] of Object.entries(output)) {

inlang/packages/paraglide/paraglide-js/src/compiler/compile-project.ts

@@ -76,9 +76,6 @@ export const compileProject = async (args: {
 	}
 
 	for (const [filename, content] of Object.entries(output)) {
-		if (filename.endsWith(".js") || filename.endsWith(".ts")) {
-			output[filename] = `// @ts-nocheck\n${output[filename]}`;
-		}
 		if (optionsWithDefaults.includeEslintDisableComment) {
 			if (filename.endsWith(".js")) {
 				output[filename] = `// eslint-disable\n${content}`;