Function internalStringify

lib/tools/json5.js:665–742

(holder, key, isTopLevel)

    // End

    function internalStringify(holder, key, isTopLevel) {
        var buffer, res;

        // Replace the value, if necessary
        var obj_part = getReplacedValueOrUndefined(holder, key, isTopLevel);

        if (obj_part && !isDate(obj_part)) {
            // unbox objects
            // don't unbox dates, since will turn it into number
            obj_part = obj_part.valueOf();
        }
        switch(typeof obj_part) {
            case "boolean":
                return obj_part.toString();

            case "number":
                if (isNaN(obj_part) || !isFinite(obj_part)) {
                    return "null";
                }
                return obj_part.toString();

            case "string":
                return escapeString(obj_part.toString());

            case "object":
                if (obj_part === null) {
                    return "null";
                } else if (isArray(obj_part)) {
                    checkForCircular(obj_part);
                    buffer = "[";
                    objStack.push(obj_part);

                    for (var i = 0; i < obj_part.length; i++) {
                        res = internalStringify(obj_part, i, false);
                        buffer += makeIndent(indentStr, objStack.length);
                        if (res === null || typeof res === "undefined") {
                            buffer += "null";
                        } else {
                            buffer += res;
                        }
                        if (i < obj_part.length-1) {
                            buffer += ",";
                        } else if (indentStr) {
                            buffer += "\n";
                        }
                    }
                    objStack.pop();
                    buffer += makeIndent(indentStr, objStack.length, true) + "]";
                } else {
                    checkForCircular(obj_part);
                    buffer = "{";
                    var nonEmpty = false;
                    objStack.push(obj_part);
                    for (var prop in obj_part) {
                        if (obj_part.hasOwnProperty(prop)) {
                            var value = internalStringify(obj_part, prop, false);
                            isTopLevel = false;
                            if (typeof value !== "undefined" && value !== null) {