Function indent

apps/code-beautify/content-script.js:45–45

()

        let singleIndent = Array(indentSize + 1).join(indentCharacter);
        let indentLevel = 0;
        let indent = () => { indentLevel++; indentString += singleIndent; };
        let outdent = () => { indentLevel--; indentString = indentString.slice(0, -indentSize); };

        let output = [];