From d2af6cf64c70e2a1b381e4edc058e7a530e86514 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Eric=20Janouch?= <p@janouch.name>
Date: Tue, 6 Sep 2022 14:35:42 +0200
Subject: xP: convert links to link elements

---
 xP/public/xP.js | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

(limited to 'xP/public/xP.js')

diff --git a/xP/public/xP.js b/xP/public/xP.js
index 13507d6..c0dba93 100644
--- a/xP/public/xP.js
+++ b/xP/public/xP.js
@@ -115,6 +115,24 @@ let BufferList = {
 	},
 }
 
+function linkify(text, attrs, a) {
+	let re = new RegExp([
+		/https?:\/\//,
+		/([^\[\](){}<>"'\s]|\([^\[\](){}<>"'\s]*\))+/,
+		/[^\[\](){}<>"'\s,.:]/,
+	].map(r => r.source).join(''), 'g')
+
+	let end = 0, match
+	while ((match = re.exec(text)) !== null) {
+		if (end < match.index)
+			a.push(m('span', attrs, text.substring(end, match.index)))
+		a.push(m('a', {href: match[0], ...attrs}, match[0]))
+		end = re.lastIndex
+	}
+	if (end < text.length)
+		a.push(m('span', attrs, text.substring(end)))
+}
+
 let Content = {
 	view: vnode => {
 		let line = vnode.children[0]
@@ -139,11 +157,10 @@ let Content = {
 		line.items.forEach(item => {
 			switch (item.kind) {
 			case 'Text':
-				// TODO: Detect and transform links.
-				content.push(m('span', {
+				linkify(item.text, {
 					class: Array.from(classes.keys()).join(' '),
 					style: applyColor(fg, bg, inverse),
-				}, item.text))
+				}, content)
 				break
 			case 'Reset':
 				classes.clear()
-- 
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