Remove the @messageformat/core library (#699)

Author: lewisbirks

package-lock.json

@@ -31,7 +31,6 @@
   },
   "homepage": "https://github.com/jenkinsci/pipeline-graph-view-plugin/#readme",
   "dependencies": {
-    "@messageformat/core": "^3.4.0",
     "@tippyjs/react": "^4.2.6",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",

package.json

@@ -0,0 +1,4 @@
+export * from "./i18n-provider.tsx";
+export type { MessageContext } from "./message-format.ts";
+export type { ResourceBundle } from "./messages.ts";
+export { Messages, ResourceBundleName } from "./messages.ts";

src/main/frontend/common/i18n/choice-formatter.spec.ts

@@ -0,0 +1,81 @@
+import { MessageFormat } from "./message-format.ts";
+
+describe("Message Format", () => {
+  it("should render for no variable substitution", () => {
+    const formatted = MessageFormat("Hello world!", "en").format();
+
+    expect(formatted).toEqual("Hello world!");
+  });
+
+  describe("Variable chunk", () => {
+    it("should render basic variable substitution", () => {
+      const formatted = MessageFormat("Hello {somewhere}!", "en").format({
+        somewhere: "world",
+      });
+
+      expect(formatted).toEqual("Hello world!");
+    });
+
+    it("should render multiple variable substitution", () => {
+      const formatted = MessageFormat("{0} {1}{2}", "en").format({
+        0: "Hello",
+        1: "world",
+        2: "!",
+      });
+
+      expect(formatted).toEqual("Hello world!");
+    });
+
+    it("should apply locale formatting to numbers", () => {
+      const formatted = MessageFormat("{0}", "de-DE").format({
+        0: 123123.123123,
+      });
+
+      // java equivalent
+      // new MessageFormat("{0}", Locale.GERMAN).format(new Object[]{123123.123123})
+      expect(formatted).toEqual("123.123,123");
+    });
+  });
+
+  it("should render for a complex pattern", () => {
+    const formatted = MessageFormat(
+      "{0} {1,choice,0#world|1#team|1<moto}{2} {3}",
+      "en",
+    ).format({ 0: "Hello", 1: 0, 2: "!", 3: "🚀" });
+
+    expect(formatted).toEqual("Hello world! 🚀");
+  });
+
+  describe("Choice subformat", () => {
+    const messageFormat = MessageFormat(
+      "Hello {0,choice,0#world|1#team|1<moto}!",
+      "en",
+    );
+
+    it("should choose appropriate choice", () => {
+      expect(messageFormat.format({ 0: 0 })).toEqual("Hello world!");
+      expect(messageFormat.format({ 0: 1 })).toEqual("Hello team!");
+      expect(messageFormat.format({ 0: 2 })).toEqual("Hello moto!");
+    });
+
+    it("should use the first for no match found", () => {
+      expect(messageFormat.format({ 0: -1 })).toEqual("Hello world!");
+    });
+
+    it("should handle floating point numbers", () => {
+      expect(messageFormat.format({ 0: 1.5 })).toEqual("Hello moto!");
+    });
+
+    it("should handle invalid input", () => {
+      expect(() => messageFormat.format({ 0: "ahhh" })).toThrow(
+        "Argument 0 'ahhh' needs to be a number",
+      );
+    });
+
+    it("should handle empty arg", () => {
+      expect(() => messageFormat.format({ 0: "" })).toThrow(
+        "Argument 0 '' needs to be a number",
+      );
+    });
+  });
+});