fix: check modules for defineMessages imports (#163)

Co-authored-by: Denis Richard <richard@satelligence.com>

src/cli/extract.ts

@@ -49,14 +49,15 @@ function isMessagesDefinitionCall(node: Node, methodName: string) {
   );
 }
 
-function getLibImportDeclarations(ast: Ast) {
-  return (
-    ast.instance
-      ? ast.instance.content.body.filter(
-          (node) =>
-            node.type === 'ImportDeclaration' && node.source.value === LIB_NAME,
-        )
-      : []
+function getLibImportDeclarations(ast: Ast): ImportDeclaration[] {
+  const bodyElements = [
+    ...(ast.instance?.content.body || []),
+    ...(ast.module?.content.body || []),
+  ];
+
+  return bodyElements.filter(
+    (node) =>
+      node.type === 'ImportDeclaration' && node.source.value === LIB_NAME,
   ) as ImportDeclaration[];
 }
 

test/cli/extract.test.ts

@@ -105,6 +105,76 @@ describe('collecting message definitions', () => {
     });
   });
 
+  it('gets message definitions if in module only', () => {
+    const ast = parse(`
+    <script context="module">
+      import { defineMessages } from 'svelte-i18n';
+      defineMessages({ quux: { id: 'quux' }, quuz: { id: 'quuz' } })
+      defineMessages({ corge: { id: 'corge' }, grault: { id: 'grault' } })
+    </script>
+    <script>
+      const a = "a";
+    </script>`);
+
+    const definitions = collectMessageDefinitions(ast);
+
+    expect(definitions).toHaveLength(4);
+    definitions.forEach((definition) => {
+      expect(definition).toMatchObject({ type: 'ObjectExpression' });
+    });
+  });
+
+  it('gets message definitions if in script only', () => {
+    const ast = parse(`
+    <script context="module">
+      const a = "a";
+    </script>
+    <script>
+      import { defineMessages } from 'svelte-i18n';
+      defineMessages({ foo: { id: 'foo' }, bar: { id: 'bar' } })
+      defineMessages({ baz: { id: 'baz' }, quix: { id: 'qux' } })
+    </script>`);
+
+    const definitions = collectMessageDefinitions(ast);
+
+    expect(definitions).toHaveLength(4);
+    definitions.forEach((definition) => {
+      expect(definition).toMatchObject({ type: 'ObjectExpression' });
+    });
+  });
+
+  it('gets message definitions if script only', () => {
+    const ast = parse(`
+    <script>
+      import { defineMessages } from 'svelte-i18n';
+      defineMessages({ foo: { id: 'foo' }, bar: { id: 'bar' } })
+      defineMessages({ baz: { id: 'baz' }, quix: { id: 'qux' } })
+    </script>`);
+
+    const definitions = collectMessageDefinitions(ast);
+
+    expect(definitions).toHaveLength(4);
+    definitions.forEach((definition) => {
+      expect(definition).toMatchObject({ type: 'ObjectExpression' });
+    });
+  });
+
+  it('gets message definitions if module only', () => {
+    const ast = parse(`
+    <script context="module">
+      import { defineMessages } from 'svelte-i18n';
+      defineMessages({ foo: { id: 'foo' }, bar: { id: 'bar' } })
+      defineMessages({ baz: { id: 'baz' }, quix: { id: 'qux' } })
+    </script>`);
+
+    const definitions = collectMessageDefinitions(ast);
+
+    expect(definitions).toHaveLength(4);
+    definitions.forEach((definition) => {
+      expect(definition).toMatchObject({ type: 'ObjectExpression' });
+    });
+  });
+
   it('throws an error if an spread is found', () => {
     const ast = parse(`<script>
       import { defineMessages } from 'svelte-i18n';

test/runtime/stores/formatters.test.ts

@@ -30,7 +30,7 @@ $locale.subscribe(() => {
   formatTime = get($formatTime);
   formatDate = get($formatDate);
   formatNumber = get($formatNumber);
-  getJSON = get($getJSON);
+  getJSON = get($getJSON) as JSONGetter;
 });
 
 addMessages('en', require('../../fixtures/en.json'));