typescript: enable allowDeclareFields

package.json

@@ -59,20 +59,14 @@
   "dependencies": {
     "@babel/core": "^7.29.0",
     "@babel/generator": "^7.29.1",
-    "@babel/plugin-proposal-class-properties": "^7.18.6",
     "@babel/plugin-proposal-decorators": "^7.29.0",
     "@babel/plugin-proposal-export-default-from": "^7.27.1",
-    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.18.6",
-    "@babel/plugin-proposal-object-rest-spread": "^7.20.7",
-    "@babel/plugin-proposal-optional-chaining": "^7.21.0",
-    "@babel/plugin-syntax-dynamic-import": "^7.8.3",
     "@babel/preset-env": "^7.29.5",
     "@babel/preset-flow": "^7.27.1",
     "@babel/preset-react": "^7.28.5",
     "@babel/preset-typescript": "^7.28.5",
     "@babel/template": "^7.28.6",
     "babel-plugin-ttag": "1.8.16",
-    "babel-preset-const-enum": "^1.0.0",
     "chalk": "^2.4.2",
     "cross-spawn": "^7.0.6",
     "estree-walker": "^2.0.1",

src/declarations.ts

@@ -6,16 +6,10 @@ declare module "gettext-parser/lib/shared";
 declare module "babel-plugin-ttag";
 declare module "@babel/preset-react";
 declare module "@babel/preset-env";
-declare module "@babel/plugin-proposal-class-properties";
-declare module "@babel/plugin-proposal-object-rest-spread";
 declare module "@babel/plugin-proposal-export-default-from";
-declare module "@babel/plugin-syntax-dynamic-import";
 declare module "@babel/plugin-proposal-decorators";
 declare module "@babel/preset-typescript";
 declare module "@babel/preset-flow";
-declare module "@babel/plugin-proposal-optional-chaining";
-declare module "@babel/plugin-proposal-nullish-coalescing-operator";
-declare module "babel-preset-const-enum";
 declare module "magic-string" {
     export type SourceMap = any;
 }

src/defaults.ts

@@ -8,32 +8,20 @@ import { TransformOptions, ConfigItem } from "@babel/core";
 import * as ttagTypes from "./types";
 
 // plugins
-import * as classPropPlugin from "@babel/plugin-proposal-class-properties";
-import * as restSpreadPlugin from "@babel/plugin-proposal-object-rest-spread";
 import * as exportDefaultFromPlugin from "@babel/plugin-proposal-export-default-from";
 import * as babelTtagPlugin from "babel-plugin-ttag";
-import * as babelDynamicImportPlugin from "@babel/plugin-syntax-dynamic-import";
 import * as babelPluginDecorators from "@babel/plugin-proposal-decorators";
-import * as optionalChaningPlugin from "@babel/plugin-proposal-optional-chaining";
-import * as nullishCoalescingOperatorPlugin from "@babel/plugin-proposal-nullish-coalescing-operator";
-import * as presetConstEnumTS from "babel-preset-const-enum";
 
 export const defaultPlugins: ConfigItem[] = [
     [babelPluginDecorators, { legacy: true }],
-    [classPropPlugin, { loose: true }],
-    restSpreadPlugin,
     exportDefaultFromPlugin,
-    babelDynamicImportPlugin,
-    optionalChaningPlugin,
-    nullishCoalescingOperatorPlugin
 ];
 
 export const defaultPresets: ConfigItem[] = [
-    presetTS,
-    presetConstEnumTS,
     presetFlow,
     [presetEnv, { loose: true, targets: "node 6.5" }],
-    presetReact
+    presetReact,
+    [presetTS, { allowDeclareFields: true }],
 ];
 
 export function makeBabelConf(ttagOpts: ttagTypes.TtagOpts, cliOpts: ttagTypes.CliOpts ): TransformOptions {

tests/commands/__snapshots__/test_extract.ts.snap

@@ -144,6 +144,18 @@ msgstr \\"\\"
 "
 `;
 
+exports[`extract from ts with declare 1`] = `
+"msgid \\"\\"
+msgstr \\"\\"
+\\"Content-Type: text/plain; charset=utf-8\\\\n\\"
+\\"Plural-Forms: nplurals=2; plural=(n!=1);\\\\n\\"
+
+#: tests/fixtures/tsDeclare.ts:23
+msgid \\"hi from a module with typescript declare\\"
+msgstr \\"\\"
+"
+`;
+
 exports[`extract from tsx 1`] = `
 "msgid \\"\\"
 msgstr \\"\\"

tests/commands/test_extract.ts

@@ -21,6 +21,7 @@ const globalFn = path.resolve(__dirname, "../fixtures/globalFunc.js");
 const tsPath = path.resolve(__dirname, "../fixtures/tSParse.ts");
 const tsChaning = path.resolve(__dirname, "../fixtures/tsOptionalChaning.ts");
 const tsConstEnum = path.resolve(__dirname, "../fixtures/tsConstEnum.ts");
+const tsDeclare = path.resolve(__dirname, "../fixtures/tsDeclare.ts");
 const tsCoalescing = path.resolve(
     __dirname,
     "../fixtures/tsNullishCoalescing.ts"
@@ -132,3 +133,9 @@ test("extract from ts with const enum", () => {
     const result = fs.readFileSync(potPath).toString();
     expect(result).toMatchSnapshot();
 });
+
+test("extract from ts with declare", () => {
+    execSync(`ts-node src/index.ts extract -o ${potPath} ${tsDeclare}`);
+    const result = fs.readFileSync(potPath).toString();
+    expect(result).toMatchSnapshot();
+});

tests/fixtures/tsDeclare.ts

@@ -0,0 +1,23 @@
+import { t } from "ttag";
+
+declare namespace MyNamespace {
+ function namespaceFunction(): void;
+}
+
+declare function myFunction(): void;
+declare const myConst: number;
+declare const myLet: number;
+
+class MyClass {
+  declare myClassField: void;
+}
+
+declare class MyClassDeclaration {
+  method(): void;
+}
+
+declare module "hi" {
+
+}
+
+const x = t`hi from a module with typescript declare`