Only target es2017 with TS pass it to babel + bublé

developit · Nov 27, 2018 · cebff34 · cebff34
1 parent a89d6d2
commit cebff34
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Showing 8 changed files with 144 additions and 33 deletions.
diff --git a/src/index.js b/src/index.js
@@ -359,31 +359,34 @@ function createConfig(options, entry, format, writeMeta) {
 									jsx: options.jsx,
 								},
 							},
+							tsconfigOverride: {
+								compilerOptions: {
+									target: 'es2017',
+								},
+							},
 						}),
 					!useTypescript && flow({ all: true, pretty: true }),
 					// Only used for async await
-					!useTypescript &&
-						babel({
-							exclude: 'node_modules/**',
-							plugins: [
-								'@babel/plugin-syntax-jsx',
-								[
-									'babel-plugin-transform-async-to-promises',
-									{ inlineHelpers: true, externalHelpers: true },
-								],
-								['@babel/plugin-proposal-class-properties', { loose: true }],
+					babel({
+						exclude: 'node_modules/**',
+						plugins: [
+							'@babel/plugin-syntax-jsx',
+							[
+								'babel-plugin-transform-async-to-promises',
+								{ inlineHelpers: true, externalHelpers: true },
 							],
-						}),
-					!useTypescript &&
-						buble({
-							exclude: 'node_modules/**',
-							jsx: options.jsx || 'h',
-							objectAssign: options.assign || 'Object.assign',
-							transforms: {
-								dangerousForOf: true,
-								dangerousTaggedTemplateString: true,
-							},
-						}),
+							['@babel/plugin-proposal-class-properties', { loose: true }],
+						],
+					}),
+					buble({
+						exclude: 'node_modules/**',
+						jsx: options.jsx || 'h',
+						objectAssign: options.assign || 'Object.assign',
+						transforms: {
+							dangerousForOf: true,
+							dangerousTaggedTemplateString: true,
+						},
+					}),
 					useNodeResolve &&
 						commonjs({
 							include: 'node_modules/**',

diff --git a/test/__snapshots__/index.test.js.snap b/test/__snapshots__/index.test.js.snap
@@ -80,12 +80,12 @@ basic-ts
 
 
 Build \\"basicLibTs\\" to dist:
-104 B: basic-lib-ts.js.gz
-76 B: basic-lib-ts.js.br
-97 B: basic-lib-ts.mjs.gz
-73 B: basic-lib-ts.mjs.br
-180 B: basic-lib-ts.umd.js.gz
-137 B: basic-lib-ts.umd.js.br"
+98 B: basic-lib-ts.js.gz
+67 B: basic-lib-ts.js.br
+92 B: basic-lib-ts.mjs.gz
+58 B: basic-lib-ts.mjs.br
+176 B: basic-lib-ts.umd.js.gz
+139 B: basic-lib-ts.umd.js.br"
 `;
 
 exports[`fixtures basic-tsx 1`] = `
@@ -109,12 +109,12 @@ basic-tsx
 
 
 Build \\"basicLibTsx\\" to dist:
-221 B: basic-lib-tsx.js.gz
-179 B: basic-lib-tsx.js.br
-222 B: basic-lib-tsx.mjs.gz
-197 B: basic-lib-tsx.mjs.br
-295 B: basic-lib-tsx.umd.js.gz
-236 B: basic-lib-tsx.umd.js.br"
+211 B: basic-lib-tsx.js.gz
+168 B: basic-lib-tsx.js.br
+212 B: basic-lib-tsx.mjs.gz
+170 B: basic-lib-tsx.mjs.br
+290 B: basic-lib-tsx.umd.js.gz
+228 B: basic-lib-tsx.umd.js.br"
 `;
 
 exports[`fixtures basic-with-cwd 1`] = `
@@ -147,6 +147,35 @@ Build \\"basic\\" to dist:
 208 B: basic.umd.js.br"
 `;
 
+exports[`fixtures class-decorators-ts 1`] = `
+"Used script: microbundle --raw
+
+Directory tree:
+
+class-decorators-ts
+  dist
+    class-decorators-ts.js
+    class-decorators-ts.js.map
+    class-decorators-ts.mjs
+    class-decorators-ts.mjs.map
+    class-decorators-ts.umd.js
+    class-decorators-ts.umd.js.map
+    index.d.ts
+  package.json
+  src
+    index.ts
+  tsconfig.json
+
+
+Build \\"classDecoratorsTs\\" to dist:
+333 B: class-decorators-ts.js.gz
+276 B: class-decorators-ts.js.br
+331 B: class-decorators-ts.mjs.gz
+271 B: class-decorators-ts.mjs.br
+393 B: class-decorators-ts.umd.js.gz
+352 B: class-decorators-ts.umd.js.br"
+`;
+
 exports[`fixtures class-properties 1`] = `
 "Used script: microbundle
 
@@ -232,6 +261,35 @@ Build \\"customSrc\\" to dist:
 212 B: custom-src.umd.js.br"
 `;
 
+exports[`fixtures esnext-ts 1`] = `
+"Used script: microbundle --raw
+
+Directory tree:
+
+esnext-ts
+  dist
+    esnext-ts.js
+    esnext-ts.js.map
+    esnext-ts.mjs
+    esnext-ts.mjs.map
+    esnext-ts.umd.js
+    esnext-ts.umd.js.map
+    index.d.ts
+  package.json
+  src
+    index.ts
+  tsconfig.json
+
+
+Build \\"esnextTs\\" to dist:
+470 B: esnext-ts.js.gz
+404 B: esnext-ts.js.br
+470 B: esnext-ts.mjs.gz
+409 B: esnext-ts.mjs.br
+528 B: esnext-ts.umd.js.gz
+461 B: esnext-ts.umd.js.br"
+`;
+
 exports[`fixtures jsx 1`] = `
 "Used script: microbundle
 

diff --git a/test/fixtures/class-decorators-ts/package.json b/test/fixtures/class-decorators-ts/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "class-decorators-ts",
+  "scripts": {
+    "build": "microbundle --raw"
+  }
+}
diff --git a/test/fixtures/class-decorators-ts/src/index.ts b/test/fixtures/class-decorators-ts/src/index.ts
@@ -0,0 +1,17 @@
+function sealed(constructor: Function) {
+	Object.seal(constructor);
+	Object.seal(constructor.prototype);
+}
+
+@sealed
+class Greeter {
+	greeting: string;
+	constructor(message: string) {
+		this.greeting = message;
+	}
+	greet() {
+		return 'Hello, ' + this.greeting;
+	}
+}
+
+export default new Greeter('Hello World');
diff --git a/test/fixtures/class-decorators-ts/tsconfig.json b/test/fixtures/class-decorators-ts/tsconfig.json
@@ -0,0 +1,6 @@
+{
+	"compilerOptions": {
+		"rootDir": "./src",
+		"experimentalDecorators": true
+	}
+}
diff --git a/test/fixtures/esnext-ts/package.json b/test/fixtures/esnext-ts/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "esnext-ts",
+  "scripts": {
+    "build": "microbundle --raw"
+  }
+}
diff --git a/test/fixtures/esnext-ts/src/index.ts b/test/fixtures/esnext-ts/src/index.ts
@@ -0,0 +1,10 @@
+export default async function foo() {
+	const out = [];
+	for await (const item of [1,2]) {
+		out.push(item);
+	}
+
+	return out;
+}
+
+foo().then(console.log)
diff --git a/test/fixtures/esnext-ts/tsconfig.json b/test/fixtures/esnext-ts/tsconfig.json
@@ -0,0 +1,5 @@
+{
+	"compilerOptions": {
+		"rootDir": "./src"
+	}
+}