[Utils] Add trimLine() function

 - trimLine() trims left, right and int-between spaces

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/utils.js b/lib/utils.js
index ce5fa5f21..24d8e39d2 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -167,3 +167,18 @@ exports.glGetMainContents = function glGetMainContents(content) {
     });
     return contents;
 };
+
+function trimLine(line) {
+    if (!line.trim().length) {
+        return "";
+    }
+    const splat = line.split(/\s+/);
+    if (splat[0] === "") {
+        // An indented line: preserve a two-space indent (max)
+        const intent = line[1] !== " " ? " " : "  ";
+        return intent + splat.slice(1).join(" ");
+    }
+    return splat.join(" ");
+}
+
+exports.trimLine = trimLine;