added puppeteer experiment (for use in generating doc screenshots + testing)...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

ui (gen4)/experiments/screenshot.js

@@ -0,0 +1,58 @@
+/**********************************************************************
+* 
+*
+*
+**********************************************************************/
+
+const puppeteer = require('puppeteer')
+
+
+
+/*********************************************************************/
+
+;(async () => {
+	var browser = await puppeteer.launch()
+	var page = await browser.newPage()
+	page.on('console', msg => console.log('  |', msg.text()))
+
+	await page
+		.goto('file://'+ process.cwd().replace(/[\\\/]/g, '/') +'/../index.html')
+
+
+	// Util functions...
+	//
+	// screenshot...
+	page.exposeFunction('screenshot', 
+		async function(name){
+			return page.screenshot({path: name || 'screenshot.png'}) })
+	// exit...
+	page.exposeFunction('exit', 
+		async function(name){
+			return browser.close() })
+
+
+
+	page.evaluate(() => 
+		$('.viewer')
+			.on('ig.ready', async () => {
+				// XXX make this scriptable...
+				ig.browseActions()
+				await screenshot('browseActions.png')
+				ig.modal.client.close()
+
+				ig.browseActions('/File/')
+				await screenshot('browseActions - File.png')
+				ig.modal.client.close()
+
+				await exit()
+			}))
+
+	//await page.screenshot({path: 'example.png'})
+	//await browser.close()
+})()
+
+
+
+
+/**********************************************************************
+* vim:set ts=4 sw=4 :                                                */