feat: Initial release

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+max_line_length = 100
+tab_width = 2

.eslintrc.json

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+{
+  "env": {
+    "commonjs": true,
+    "es6": true,
+    "node": true
+  },
+  "extends": "eslint:recommended",
+  "globals": {
+    "Atomics": "readonly",
+    "SharedArrayBuffer": "readonly"
+  },
+  "parserOptions": {
+    "ecmaVersion": 2018
+  },
+  "rules": {
+  }
+}

.github/workflows/main.yml

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+name: CICD
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        runs-on: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.runs-on }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Convert
+        id: convert
+        uses: ./
+        with:
+          text: |
+            # Heading 1
+
+            ## Heading 2
+
+            [Link](http://example.com)
+
+            * List Item 1
+            * List Item 2
+
+      - name: Verify
+        shell: bash
+        env:
+          ACTUAL: ${{ steps.convert.outputs.text }}
+          EXPECTED: |
+            *Heading 1*
+
+            *Heading 2*
+
+            <http://example.com|Link>
+
+            •   List Item 1
+            •   List Item 2
+        run: |
+          if [ "$ACTUAL" != "$EXPECTED" ]; then
+            echo "Actual: $ACTUAL"
+            echo "Expected: $EXPECTED"
+            exit 1
+          fi
+
+  release:
+    needs: test
+    if: github.event_name == 'push'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Release
+        id: release
+        uses: cycjimmy/semantic-release-action@v2
+        with:
+          extra_plugins: |
+            @semantic-release/changelog
+            @semantic-release/git
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Update major version tag
+        if: steps.release.outputs.new_release_published == 'true'
+        env:
+          TAG: v${{ steps.release.outputs.new_release_major_version }}
+        run: |
+          git tag "$TAG"
+          git push origin "$TAG"

.gitignore

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+.idea
+.vscode

.releaserc.json

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+{
+  "branches": [
+    "master"
+  ],
+  "plugins": [
+    "@semantic-release/commit-analyzer",
+    "@semantic-release/release-notes-generator",
+    "@semantic-release/changelog",
+    "@semantic-release/git",
+    "@semantic-release/github"
+  ]
+}

README.md

@@ -1,2 +1,12 @@
 # slackify-markdown-action
 GitHub Action to convert markdown into Slack's mrkdwn.
+
+## Usage
+
+### Inputs
+
+* `text` - The markdown text to convert.
+
+### Outputs
+
+* `text` - The markdown text converted to Slack's mrkdwn format.

action.yml

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+name: 'Slack Markdown Converter'
+author: 'Joshua Coady'
+description: "Converts markdown to Slack's mrkdwn"
+inputs:
+  text:
+    description: 'Markdown text to convert'
+    required: true
+outputs:
+  text:
+    description: 'Converted Slack mrkdwn text'
+runs:
+  using: 'node12'
+  main: 'index.js'
+branding:
+  icon: 'heart'
+  color: 'red'

index.js

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+const core = require('@actions/core');
+const slackifyMarkdown = require('slackify-markdown');
+
+try {
+    const md = core.getInput('text', {required: true});
+    const mrkdwn = slackifyMarkdown(md);
+    core.setOutput("text", mrkdwn);
+} catch (error) {
+    core.setFailed(error.message);
+}