orbit-4-2/app/assets/javascripts/codemirror/addon/edit/trailingspace.js

16 lines
528 B
JavaScript

CodeMirror.defineOption("showTrailingSpace", false, function(cm, val, prev) {
if (prev == CodeMirror.Init) prev = false;
if (prev && !val)
cm.removeOverlay("trailingspace");
else if (!prev && val)
cm.addOverlay({
token: function(stream) {
for (var l = stream.string.length, i = l; i && /\s/.test(stream.string.charAt(i - 1)); --i) {}
if (i > stream.pos) { stream.pos = i; return null; }
stream.pos = l;
return "trailingspace";
},
name: "trailingspace"
});
});