initial commit

.github/workflows/pr-lint.yml

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+name: PR lint
+
+on: [pull_request]
+
+jobs:
+  pr-lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: seferov/pr-lint-action@master
+      with:
+        title-regex: '^\[[a-z ]*\] '

.gitignore

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+lib/
+node_modules/

.prettierrc.json

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+{
+    "printWidth": 80,
+    "tabWidth": 2,
+    "useTabs": false,
+    "semi": true,
+    "singleQuote": true,
+    "trailingComma": "none",
+    "bracketSpacing": false,
+    "arrowParens": "avoid",
+    "parser": "typescript"
+  }

Dockerfile

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+FROM node:slim
+
+COPY . .
+
+RUN npm install
+RUN node_modules/typescript/bin/tsc
+
+ENTRYPOINT ["node", "/lib/main.js"]

README.md

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+# Pull Request Lint
+
+It is a linter of pull requests for [Github Actions](https://github.com/features/actions).
+
+## Why?
+
+To enforce pull request titles in the same format will be useful like generating standard changelog messages .
+Besides it can be used to parse titles and link with issue tracking systems such as JIRA.
+
+## Example:
+
+```yaml
+name: PR lint
+
+on: [pull_request]
+
+jobs:
+  pr-lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: seferov/pr-lint-action@master
+      with:
+        title-regex: '^\[PROJECT-\d*\]\ '
+```
+
+In this example, for every pull request the title is expected to match `^\[PROJECT-\d*\]\ ` regex. For instance, `[PROJECT-123] lorem ipsum` or `[PROJECT-2345] dolor sit amet` are valid titles for this example. You can customize the title regex for your needs.

action.yml

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+name: 'PR Lint GitHub Action'
+description: 'PR Lint for Github Actions'
+author: 'Farhad Safarov'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'