Add a script to capture an image of a map

map-generator/capture-map.js

@@ -0,0 +1,61 @@
+const path = require('path');
+const puppeteer = require('puppeteer-core');
+
+const councilName = process.argv.at(2);
+if (!councilName) {
+    console.log("No council name provided");
+    exit(1);
+}
+
+var widthArgument = process.argv.at(3);
+if (!widthArgument) {
+    console.log("Defaulting to width of 1080")
+    width = 1080;
+} else {
+    width = parseInt(widthArgument);
+    if (isNaN(width)) {
+        console.log("Invalid width provided");
+        exit(1);
+    }
+}
+
+var heightArgument = process.argv.at(4);
+if (!heightArgument) {
+    console.log("Defaulting to height of 720")
+    height = 720;
+} else {
+    height = parseInt(heightArgument);
+    if (isNaN(height)) {
+        console.log("Invalid height provided");
+        exit(1);
+    }
+}
+
+var outputPathArgument = process.argv.at(5);
+if (!outputPathArgument) {
+    outputPath = councilName + '.jpg'
+    console.log("Defaulting to path of '" + path + "'")
+} else {
+    outputPath = outputPathArgument;
+}
+
+(async () => {
+    // Launch the browser and open a new blank page
+    const browser = await puppeteer.launch({channel: 'chrome'});
+    const page = await browser.newPage();
+
+    // Set screen size.
+    await page.setViewport({width: width, height: height});
+
+    // Navigate the page to a URL. Wait until network activity is finished to ensure map is loaded before taking screenshot.
+    await page.goto('http://localhost:8000/?council=' + encodeURIComponent(councilName), {
+        waitUntil: 'networkidle2',
+    });
+
+    // Capture screenshot
+    await page.screenshot({
+        path: outputPath
+    });
+
+    await browser.close();
+})();