sequences

kbd.js

@@ -20,10 +20,18 @@ function onError(error) {
 }
 
 let key, modifiers = []
+let seq = ''
+
 document.addEventListener("keydown", function(event) {
 	if (event.key.length === 1 || event.key === event.code) {
 		// 'a', 'A', '1', '.', '%', 'Escape', 'Backspace' etc
 		key = event.key
+		if (key == 'Escape') {
+			seq = ''
+			modifiers = []
+			return
+		}
+		if ( event.key.length === 1) seq += key // does not take modifiers into account per key, e.g. IoT works but not ^i^o^t
 	} else {
 		// 'Alt', 'Control', 'Shift'
 		modifiers.push( event.key )
@@ -31,12 +39,20 @@ document.addEventListener("keydown", function(event) {
 	console.log( key, modifiers )
 	if (blocked) return
 	if (key && modifiers.length > 0 ) 
-		userActions.filter( a => key == a.key && a.mods && a.mods[0] == modifiers[0] ).map( a => eval( a.action ) )
+		userActions.filter( a => a.key && key == a.key && a.mods && a.mods[0] == modifiers[0] ).map( a => doAction( a.action ) )
 		// take single modifiers into account, must be more restrictve
 	else 
-		userActions.filter( a => key == a.key && typeof ( a.mods ) === 'undefined' ).map( a => eval( a.action ) )
+		userActions.filter( a => a.key && key == a.key && typeof ( a.mods ) === 'undefined' ).map( a => doAction( a.action ) )
+	userActions.filter( a => a.seq == seq ).map( a => doAction( a.action ) )
 })
 
+function doAction( action ){
+	console.log( 'executing', action ) // for debugging
+	eval(action)
+	seq = ''
+	modifiers = []
+}
+
 document.addEventListener("keyup", function(event) {
 	if (event.key.length === 1 || event.key === event.code) {
 		// 'a', 'A', '1', '.', '%', 'Escape', 'Backspace' etc
@@ -50,6 +66,11 @@ document.addEventListener("keyup", function(event) {
 // could then grow userActions by the user themselves, save in localStorage, etc without having to rebuild extension
 // note that i is different from I (which is here captured as I + Shift)
 let userActions = [
+	{ seq: 'gtm', action: 'window.open("https://twitter-archive.benetou.fr/")'},
+	{ seq: 'gg', action: 'window.scrollTo(0, 0)'},
+	{ key: 'G', mods: ['Shift'], action: 'window.scrollTo(0, document.body.scrollHeight)'},
+	{ key: 'E', mods: ['Shift'], action: 'window.location += "?action=edit"'},
+	// this now prevent any binding on g
 	{ key: 'r', action: 'window.location.reload()'},
 	{ key: 'x', action: 'autoscroll()'},
 	{ key: 'b', action: 'history.back()'},