Merge pull request #2 from lionel1704/remove-label-feature

Add feature to remove labels

README.md

@@ -1,12 +1,12 @@
-Automatically labels issues, by adding new labels to the issue. You define the labels you'd like to add to your issues in the YAML file.
+Automatically adds or removes labels from issues. You define the labels you'd like to add and/or remove in the YAML file.
 
 To add it to your workflow:
 
 ```
     - uses: andymckay/[email protected]
       with:
         repo-token: "${{ secrets.GITHUB_TOKEN }}"
-        labels: "needs-triage, bug"
+        add-labels: "needs-triage, bug"
 ```
 
 This adds the `needs-triage` and `bug` labels to the issue. The most common approach is to do this when issues are created, you can do this with the following in your workflow file:
@@ -17,4 +17,19 @@ on:
     types: [opened]
 ```
 
-That's it.
+This action can also be used to remove labels from an issue. Just pass the label(s) to be removed separated by commas.
+
+```
+    - uses: andymckay/[email protected]
+      with:
+        repo-token: "${{ secrets.GITHUB_TOKEN }}"
+        remove-labels: "help-wanted"
+```
+
+An example use-case would be, to remove the `help-wanted` label when an issue is assigned to someone. For this, the workflow file would look like:
+
+```
+on:
+  issues:
+    types: [assigned]
+```

action.yml

@@ -1,12 +1,15 @@
 name: 'Simple Issue Labeler'
-description: 'Adds labels to new issues.'
+description: 'Adds and removes labels from issues.'
 inputs:
   repo-token:
     description: 'Token for the repo. Can be passed in using {{ secrets.GITHUB_TOKEN }}'
     required: true
-  labels:
+  add-labels:
     description: 'Labels to add to an issue, seperated by commas.'
-    required: true
+    required: false
+  remove-labels:
+    description: 'Labels to be removed from an issue, seperated by commas.'
+    required: false
 branding:
   icon: zap-off
   color: orange

label.js

@@ -1,8 +1,13 @@
 const github = require("@actions/github");
 const core = require("@actions/core");
 
-const requested = core
-  .getInput("labels")
+const labelsToAdd = core
+  .getInput("add-labels")
+  .split(",")
+  .map(x => x.trim());
+
+const labelsToRemove = core
+  .getInput("remove-labels")
   .split(",")
   .map(x => x.trim());
 
@@ -12,11 +17,14 @@ async function label() {
   const context = github.context;
 
   let labels = context.payload.issue.labels.map(label => label.name);
-  for (let requestedLabel of requested) {
-    if (!labels.includes(requestedLabel)) {
-      labels.push(requestedLabel);
+  for (let labelToAdd of labelsToAdd) {
+    if (!labels.includes(labelToAdd)) {
+      labels.push(labelToAdd);
     }
   }
+  labels = labels.filter((value) => {
+    return !labelsToRemove.includes(value);
+  });
 
   await octokit.issues.update({
     owner: context.payload.repository.owner.login,
@@ -31,7 +39,7 @@ label()
   .then(
     result => {
       // eslint-disable-next-line no-console
-      console.log(`Labelled ${result} with ${requested}.`);
+      console.log(`Updated labels in ${result}. Added: ${labelsToAdd}. Removed: ${labelsToRemove}.`);
     },
     err => {
       // eslint-disable-next-line no-console