feat(postcodes/NA): 149 NamPost postcodes — all 14 regions (#1039) #163

	name: PR Merge Notification

	on:
	pull_request:
	types: [closed]
	branches: [master, main]

	permissions:
	contents: read

	jobs:
	notify:
	name: Notify on merge
	runs-on: ubuntu-latest
	if: github.event.pull_request.merged == true

	steps:
	- name: Slack notification
	uses: actions/github-script@v7
	env:
	SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
	with:
	script: \|
	const webhookUrl = process.env.SLACK_WEBHOOK_URL;
	if (!webhookUrl) return;

	const https = require('https');
	const pr = context.payload.pull_request;

	const payload = {
	attachments: [{
	color: '#36A64F',
	blocks: [
	{
	type: 'header',
	text: { type: 'plain_text', text: ':white_check_mark: PR Merged', emoji: true },
	},
	{
	type: 'section',
	fields: [
	{ type: 'mrkdwn', text: `PR: <${pr.html_url}\|#${pr.number}> ${pr.title}` },
	{ type: 'mrkdwn', text: `Author: @${pr.user.login}` },
	],
	},
	],
	}],
	};

	const url = new URL(webhookUrl);
	const data = JSON.stringify(payload);
	await new Promise((resolve) => {
	const req = https.request({
	hostname: url.hostname,
	path: url.pathname,
	method: 'POST',
	headers: { 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(data) },
	}, (res) => {
	if (res.statusCode !== 200) core.warning(`Slack responded with ${res.statusCode}`);
	resolve();
	});
	req.on('error', (err) => {
	core.warning(`Slack error: ${err.message}`);
	resolve();
	});
	req.write(data);
	req.end();
	});

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