feat: beta channels for core and plugins with one stable/beta release workflow

scripts/generate-beta-body.test.ts

@@ -0,0 +1,57 @@
+import { describe, expect, it } from "vitest";
+import { createRequire } from "module";
+
+const require = createRequire(import.meta.url);
+const {
+  betaTitle,
+  groupCommits,
+  renderBody,
+} = require("./generate-beta-body.cjs");
+
+describe("generate-beta-body", () => {
+  it("groups commits by their prefix", () => {
+    expect(
+      groupCommits([
+        "feat: add beta channel",
+        "fix(sync): keep links",
+        "chore: bump deps",
+        "Plain message",
+      ]),
+    ).toEqual({
+      features: ["add beta channel"],
+      fixes: ["keep links"],
+      other: ["bump deps", "Plain message"],
+    });
+  });
+
+  it("names the beta", () => {
+    expect(betaTitle("26.11.0-beta.2")).toBe("26.11.0 Beta 2");
+  });
+
+  it("links feedback with the version and lists the changes", () => {
+    const body = renderBody({
+      version: "26.11.0-beta.2",
+      branch: "dev-26.11.0",
+      sha: "abc",
+      prev: "v26.11.0-beta.1",
+      subjects: ["feat: one", "fix: two"],
+    });
+    expect(body).toContain("termix-version=26.11.0-beta.2");
+    expect(body).toContain("## Changes in 26.11.0 Beta 2");
+    expect(body).toContain("### Features\n\n- one");
+    expect(body).toContain("### Fixes\n\n- two");
+    expect(body).toContain("compare/v26.11.0-beta.1...abc");
+    expect(body).not.toContain("—");
+  });
+
+  it("says so when there is nothing to compare against", () => {
+    const body = renderBody({
+      version: "26.11.0-beta.1",
+      branch: "dev-26.11.0",
+      sha: "abc",
+      prev: "",
+      subjects: [],
+    });
+    expect(body).toContain("First beta of this version.");
+  });
+});