Demo for query storing
Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/error-ex/index.js b/node_modules/error-ex/index.js
new file mode 100644
index 0000000..4fb20b4
--- /dev/null
+++ b/node_modules/error-ex/index.js
@@ -0,0 +1,141 @@
+'use strict';
+
+var util = require('util');
+var isArrayish = require('is-arrayish');
+
+var errorEx = function errorEx(name, properties) {
+ if (!name || name.constructor !== String) {
+ properties = name || {};
+ name = Error.name;
+ }
+
+ var errorExError = function ErrorEXError(message) {
+ if (!this) {
+ return new ErrorEXError(message);
+ }
+
+ message = message instanceof Error
+ ? message.message
+ : (message || this.message);
+
+ Error.call(this, message);
+ Error.captureStackTrace(this, errorExError);
+
+ this.name = name;
+
+ Object.defineProperty(this, 'message', {
+ configurable: true,
+ enumerable: false,
+ get: function () {
+ var newMessage = message.split(/\r?\n/g);
+
+ for (var key in properties) {
+ if (!properties.hasOwnProperty(key)) {
+ continue;
+ }
+
+ var modifier = properties[key];
+
+ if ('message' in modifier) {
+ newMessage = modifier.message(this[key], newMessage) || newMessage;
+ if (!isArrayish(newMessage)) {
+ newMessage = [newMessage];
+ }
+ }
+ }
+
+ return newMessage.join('\n');
+ },
+ set: function (v) {
+ message = v;
+ }
+ });
+
+ var overwrittenStack = null;
+
+ var stackDescriptor = Object.getOwnPropertyDescriptor(this, 'stack');
+ var stackGetter = stackDescriptor.get;
+ var stackValue = stackDescriptor.value;
+ delete stackDescriptor.value;
+ delete stackDescriptor.writable;
+
+ stackDescriptor.set = function (newstack) {
+ overwrittenStack = newstack;
+ };
+
+ stackDescriptor.get = function () {
+ var stack = (overwrittenStack || ((stackGetter)
+ ? stackGetter.call(this)
+ : stackValue)).split(/\r?\n+/g);
+
+ // starting in Node 7, the stack builder caches the message.
+ // just replace it.
+ if (!overwrittenStack) {
+ stack[0] = this.name + ': ' + this.message;
+ }
+
+ var lineCount = 1;
+ for (var key in properties) {
+ if (!properties.hasOwnProperty(key)) {
+ continue;
+ }
+
+ var modifier = properties[key];
+
+ if ('line' in modifier) {
+ var line = modifier.line(this[key]);
+ if (line) {
+ stack.splice(lineCount++, 0, ' ' + line);
+ }
+ }
+
+ if ('stack' in modifier) {
+ modifier.stack(this[key], stack);
+ }
+ }
+
+ return stack.join('\n');
+ };
+
+ Object.defineProperty(this, 'stack', stackDescriptor);
+ };
+
+ if (Object.setPrototypeOf) {
+ Object.setPrototypeOf(errorExError.prototype, Error.prototype);
+ Object.setPrototypeOf(errorExError, Error);
+ } else {
+ util.inherits(errorExError, Error);
+ }
+
+ return errorExError;
+};
+
+errorEx.append = function (str, def) {
+ return {
+ message: function (v, message) {
+ v = v || def;
+
+ if (v) {
+ message[0] += ' ' + str.replace('%s', v.toString());
+ }
+
+ return message;
+ }
+ };
+};
+
+errorEx.line = function (str, def) {
+ return {
+ line: function (v) {
+ v = v || def;
+
+ if (v) {
+ return str.replace('%s', v.toString());
+ }
+
+ return null;
+ }
+ };
+};
+
+module.exports = errorEx;