select funtion for path absolute

Author: li-qiang

lib/Utilities.js

@@ -271,7 +271,6 @@ exports.convertPropToJoinKeyProp = function (props, opts) {
 
 exports.getRealPath = function (path_str, stack_index) {
 	var path = require("path"); // for now, load here (only when needed)
-	var pathIsAbsolute = require('path-is-absolute');
 	var cwd = process.cwd();
 	var err = new Error();
 	var tmp = err.stack.split(/\r?\n/)[typeof stack_index !== "undefined" ? stack_index : 3], m;
@@ -283,7 +282,7 @@ exports.getRealPath = function (path_str, stack_index) {
 	} else if ((m = tmp.match(/^\s*at\s+.+\s+\((.+):\d+:\d+\)$/)) !== null) {
 		cwd = path.dirname(m[1]);
 	}
-
+	var pathIsAbsolute = path.isAbsolute || require('path-is-absolute');
 	if (!pathIsAbsolute(path_str)) {
 		path_str = path.join(cwd, path_str);
 	}