fix: baseBranch wrong field accessed (#154)

* chore: test basebranch pr

* fix: baseBranch wrong field accessed

* add more test

* fix warnings

* fix tests

__tests__/matcher/base-branch.test.ts

@@ -0,0 +1,79 @@
+import match from "../../src/matcher/base-branch";
+import * as github from "@actions/github";
+import { Config } from "../../src/config";
+
+function getMatchedLabels(config: Config): string[] {
+  // @ts-ignore
+  return match(null, config);
+}
+
+const config: Config = {
+  version: "v1",
+  labels: [
+    {
+      label: "release",
+      matcher: {
+        baseBranch: "^release/.*"
+      }
+    },
+    {
+      label: "master",
+      matcher: {
+        baseBranch: "master"
+      }
+    }
+  ]
+};
+
+describe("empty", function() {
+  it("no payload should be undefined", async function() {
+    github.context.payload = {};
+    expect(getMatchedLabels(config)).toEqual([]);
+  });
+
+  it("pull_request should be empty", async function() {
+    github.context.payload = {
+      pull_request: {
+        number: 1,
+        title: "nothing interesting",
+        base: {
+          ref: "main"
+        }
+      }
+    };
+
+    expect(getMatchedLabels(config)).toEqual([]);
+  });
+});
+
+describe("pull_request", () => {
+  it("should have release", async function() {
+    github.context.payload = {
+      pull_request: {
+        number: 1,
+        title: "spaceship",
+        base: {
+          ref: "release/1.0"
+        }
+      }
+    };
+
+    const labels = getMatchedLabels(config);
+    expect(labels).toEqual(["release"]);
+  });
+
+  it("should have main", async function() {
+    github.context.payload = {
+      pull_request: {
+        number: 1,
+        title: "spaceship",
+        base: {
+          ref: "master"
+        }
+      }
+    };
+
+    const labels = getMatchedLabels(config);
+    expect(labels).toEqual(["master"]);
+  });
+});

src/labeler.ts

@@ -6,7 +6,7 @@ import title from './matcher/title'
 import body from './matcher/body'
 import comment from './matcher/comment'
 import branch from './matcher/branch'
-import baseBranch from './matcher/baseBranch'
+import baseBranch from './matcher/base-branch'
 import commits from './matcher/commits'
 import files from './matcher/files'
 import author from './matcher/author'

src/matcher/baseBranch.ts → src/matcher/base-branch.ts

@@ -16,7 +16,7 @@ export default function match(
 
   return config
     .labels!.filter(value => {
-      return matcherRegex({regex: value.matcher?.branch, text: ref})
+      return matcherRegex({regex: value.matcher?.baseBranch, text: ref})
     })
     .map(value => value.label)
 }