feat: Added integration with slack

lib/postMessage.js

@@ -0,0 +1,39 @@
+const fetch = require('node-fetch')
+const SemanticReleaseError = require('@semantic-release/error')
+// require('dotenv').config()
+
+async function postMessage(message) {
+	const slackHook = process.env.SLACK_WEBHOOK
+
+	if (!slackHook) {
+		throw new SemanticReleaseError(
+			'Slack web-hook is not defined in environment. Define SLACK_WEBHOOK!'
+		)
+	}
+
+	await fetch(slackHook, {
+		method: 'post',
+		headers: {
+			'Content-Type': 'application/json'
+		},
+		body: JSON.stringify(message)
+	})
+		.then(res => res.text())
+		.then(text => {
+			if (text != 'ok') {
+				logger.log('Json message format invalid')
+				throw new SemanticReleaseError(
+					new Error().stdout,
+					'INVALID SLACK COMMAND: ' + text
+				)
+			}
+		})
+		.catch(e => {
+			throw new SemanticReleaseError(
+				e.stdout,
+				'SLACK CONNECTION FAILED: '
+			)
+		})
+}
+
+module.exports = postMessage

lib/success.js

@@ -1,8 +1,59 @@
-module.exports = (pluginConfig, context) => {
+const postMessage = require('./postMessage')
+
+module.exports = async (pluginConfig, context) => {
 	if (!pluginConfig.notifyOnSuccess) {
 		return
 	}
 
-	const { logger, nextRelease } = context
-	logger.log(context.nextRelease)
+	const { nextRelease, options } = context
+
+	let messageBlocks = [
+		{
+			type: 'section',
+			text: {
+				type: 'mrkdwn',
+				text: `A new version has been released!\n Current version is *#${
+					nextRelease.version
+				}*`
+			}
+		}
+	]
+
+	if (nextRelease.notes != '') {
+		messageBlocks.push({
+			type: 'section',
+			text: {
+				type: 'mrkdwn',
+				text: `*Notes*: ${nextRelease.notes}`
+			}
+		})
+	}
+
+	if (options.repositoryUrl.indexOf('git@github.com') != -1) {
+		const repoPath = options.repositoryUrl.split(':')[1].replace('.git', '')
+		const repoURL = `https://github.com/${repoPath}`
+		const gitTag = nextRelease.gitTag
+
+		// const divider = {
+		// 	type: 'divider'
+		// }
+		const metadata = {
+			type: 'context',
+			elements: [
+				{
+					type: 'mrkdwn',
+					text: `*<${repoURL}|${repoPath}>:*   <${repoURL}/releases/tag/${gitTag}|${gitTag}>`
+				}
+			]
+		}
+
+		messageBlocks.push(metadata)
+		// messageBlocks.push(divider)
+	}
+
+	let slackMessage = {
+		blocks: messageBlocks
+	}
+
+	await postMessage(slackMessage)
 }

package.json

@@ -42,6 +42,7 @@
 	"devDependencies": {
 		"@commitlint/cli": "^7.5.2",
 		"@commitlint/config-conventional": "^7.5.0",
+		"@semantic-release/error": "^2.2.0",
 		"commitizen": "^3.0.7",
 		"cz-conventional-changelog": "^2.1.0",
 		"eslint": "^5.16.0",
@@ -53,6 +54,7 @@
 		"eslint-plugin-standard": "^4.0.0",
 		"husky": "^1.3.1",
 		"lint-staged": "^8.1.5",
+		"node-fetch": "^2.3.0",
 		"prettier": "^1.16.4"
 	},
 	"peerDependencies": {