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testRunner.html
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<h1>A Memory Leak in Jade (v8's fault)</h1>
<p>More information on this bug <a href="https://github.com/alubbe/memoryleak">here</a></p>
<p><button onClick="runWithDebug()"> runWithDebug </button> Causes a memory leak</p>
<p><button onClick="runWithoutDebug()"> runWithoutDebug </button> Avoids the faulty code altogether, does not leak</p>
<p><button onClick="runWithDebugLeakFixed()"> runWithDebugLeakFixed </button> Fixes the memory leak using classes</p>
<p><button onClick="runWithDebugLeakFixed2()"> runWithDebugLeakFixed2 </button> Fixes the memory leak using factories</p>
<script type="text/javascript">
var locals = {
fortunes: [
{id: 0, message: "Additional fortune added at request time."},
{id: 1, message: "Blurb"},
{id: 2, message: "wat?"}
]
};
function runWithDebug() {
for(var i = 0; i < 200000; i++) compiledWithDebug();
}
function runWithoutDebug() {
for(var i = 0; i < 200000; i++) compiledWithoutDebug();
}
function runWithDebugLeakFixed() {
for(var i = 0; i < 200000; i++) fixedMemoryLeak();
}
function runWithDebugLeakFixed2() {
for(var i = 0; i < 200000; i++) fixedMemoryLeak2();
}
function compiledWithDebug() {
var jade_debug = [{ lineno: 1, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" }];
try {
var buf = [];
var jade_mixins = {};
var jade_interp;
;var locals_for_with = (locals || {});(function (fortunes, undefined) {
jade_debug.unshift({ lineno: 0, filename: "/home/andreas/code/sampleexpress/views/layout.jade" });
jade_debug.unshift({ lineno: 1, filename: "/home/andreas/code/sampleexpress/views/layout.jade" });
buf.push("<!DOCTYPE html>");
jade_debug.shift();
jade_debug.unshift({ lineno: 2, filename: "/home/andreas/code/sampleexpress/views/layout.jade" });
buf.push("<html>");
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.unshift({ lineno: 3, filename: "/home/andreas/code/sampleexpress/views/layout.jade" });
buf.push("<head>");
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.unshift({ lineno: 4, filename: "/home/andreas/code/sampleexpress/views/layout.jade" });
buf.push("<title>");
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.unshift({ lineno: 4, filename: jade_debug[0].filename });
buf.push("Fortunes");
jade_debug.shift();
jade_debug.shift();
buf.push("</title>");
jade_debug.shift();
jade_debug.shift();
buf.push("</head>");
jade_debug.shift();
jade_debug.unshift({ lineno: 5, filename: "/home/andreas/code/sampleexpress/views/layout.jade" });
buf.push("<body>");
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.unshift({ lineno: 3, filename: "/home/andreas/code/sampleexpress/views/layout.jade" });
jade_debug.unshift({ lineno: 4, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
buf.push("<table>");
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.unshift({ lineno: 5, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
buf.push("<tr>");
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.unshift({ lineno: 6, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
buf.push("<th>");
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.unshift({ lineno: 6, filename: jade_debug[0].filename });
buf.push("id");
jade_debug.shift();
jade_debug.shift();
buf.push("</th>");
jade_debug.shift();
jade_debug.unshift({ lineno: 7, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
buf.push("<th>");
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.unshift({ lineno: 7, filename: jade_debug[0].filename });
buf.push("message");
jade_debug.shift();
jade_debug.shift();
buf.push("</th>");
jade_debug.shift();
jade_debug.shift();
buf.push("</tr>");
jade_debug.shift();
jade_debug.unshift({ lineno: 8, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
// iterate fortunes
;(function(){
var $$obj = fortunes;
if ('number' == typeof $$obj.length) {
for (var $index = 0, $$l = $$obj.length; $index < $$l; $index++) {
var fortune = $$obj[$index];
jade_debug.unshift({ lineno: 8, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
jade_debug.unshift({ lineno: 9, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
buf.push("<tr>");
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.unshift({ lineno: 10, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.id) ? "" : jade_interp)));
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.unshift({ lineno: 11, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.message) ? "" : jade_interp)));
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.shift();
buf.push("</tr>");
jade_debug.shift();
jade_debug.shift();
}
} else {
var $$l = 0;
for (var $index in $$obj) {
$$l++; var fortune = $$obj[$index];
jade_debug.unshift({ lineno: 8, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
jade_debug.unshift({ lineno: 9, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
buf.push("<tr>");
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.unshift({ lineno: 10, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.id) ? "" : jade_interp)));
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.unshift({ lineno: 11, filename: "/home/andreas/code/sampleexpress/views/fortunes/index.jade" });
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.message) ? "" : jade_interp)));
jade_debug.unshift({ lineno: undefined, filename: jade_debug[0].filename });
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.shift();
buf.push("</tr>");
jade_debug.shift();
jade_debug.shift();
}
}
}).call(this);
jade_debug.shift();
jade_debug.shift();
buf.push("</table>");
jade_debug.shift();
jade_debug.shift();
jade_debug.shift();
buf.push("</body>");
jade_debug.shift();
jade_debug.shift();
buf.push("</html>");
jade_debug.shift();
jade_debug.shift();}.call(this,"fortunes" in locals_for_with?locals_for_with.fortunes:typeof fortunes!=="undefined"?fortunes:undefined,"undefined" in locals_for_with?locals_for_with.undefined:typeof undefined!=="undefined"?undefined:undefined));;return buf.join("");
} catch (err) {
jade.rethrow(err, jade_debug[0].filename, jade_debug[0].lineno,"extends ../layout\n\nblock content\n table\n tr\n th id\n th message\n for fortune in fortunes\n tr\n td= fortune.id\n td= fortune.message\n");
}
}
function compiledWithoutDebug() {
var buf = [];
var jade_mixins = {};
var jade_interp;
;var locals_for_with = (locals || {});(function (fortunes, undefined) {
buf.push("<!DOCTYPE html><html><head><title>Fortunes</title></head><body><table><tr><th>id</th><th>message</th></tr>");
// iterate fortunes
;(function(){
var $$obj = fortunes;
if ('number' == typeof $$obj.length) {
for (var $index = 0, $$l = $$obj.length; $index < $$l; $index++) {
var fortune = $$obj[$index];
buf.push("<tr><td>" + (jade.escape(null == (jade_interp = fortune.id) ? "" : jade_interp)) + "</td><td>" + (jade.escape(null == (jade_interp = fortune.message) ? "" : jade_interp)) + "</td></tr>");
}
} else {
var $$l = 0;
for (var $index in $$obj) {
$$l++; var fortune = $$obj[$index];
buf.push("<tr><td>" + (jade.escape(null == (jade_interp = fortune.id) ? "" : jade_interp)) + "</td><td>" + (jade.escape(null == (jade_interp = fortune.message) ? "" : jade_interp)) + "</td></tr>");
}
}
}).call(this);
buf.push("</table></body></html>");}.call(this,"fortunes" in locals_for_with?locals_for_with.fortunes:typeof fortunes!=="undefined"?fortunes:undefined,"undefined" in locals_for_with?locals_for_with.undefined:typeof undefined!=="undefined"?undefined:undefined));;return buf.join("");
}
function DebugItem(lineno, filename) {
this.lineno = lineno;
this.filename = filename;
}
function fixedMemoryLeak() {
var jade_debug = [new DebugItem(1, "/home/andreas/code/sampleexpress/views/fortunes/index.jade")];
try {
var buf = [];
var jade_mixins = {};
var jade_interp;
;var locals_for_with = (locals || {});(function (fortunes, undefined) {
jade_debug.unshift(new DebugItem(0, "/home/andreas/code/sampleexpress/views/layout.jade"));
jade_debug.unshift(new DebugItem(1, "/home/andreas/code/sampleexpress/views/layout.jade"));
buf.push("<!DOCTYPE html>");
jade_debug.shift();
jade_debug.unshift(new DebugItem(2, "/home/andreas/code/sampleexpress/views/layout.jade"));
buf.push("<html>");
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.unshift(new DebugItem(3, "/home/andreas/code/sampleexpress/views/layout.jade"));
buf.push("<head>");
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.unshift(new DebugItem(4, "/home/andreas/code/sampleexpress/views/layout.jade"));
buf.push("<title>");
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.unshift(new DebugItem(4, jade_debug[0].filename));
buf.push("Fortunes");
jade_debug.shift();
jade_debug.shift();
buf.push("</title>");
jade_debug.shift();
jade_debug.shift();
buf.push("</head>");
jade_debug.shift();
jade_debug.unshift(new DebugItem(5, "/home/andreas/code/sampleexpress/views/layout.jade"));
buf.push("<body>");
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.unshift(new DebugItem(3, "/home/andreas/code/sampleexpress/views/layout.jade"));
jade_debug.unshift(new DebugItem(4, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<table>");
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.unshift(new DebugItem(5, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<tr>");
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.unshift(new DebugItem(6, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<th>");
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.unshift(new DebugItem(6, jade_debug[0].filename));
buf.push("id");
jade_debug.shift();
jade_debug.shift();
buf.push("</th>");
jade_debug.shift();
jade_debug.unshift(new DebugItem(7, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<th>");
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.unshift(new DebugItem(7, jade_debug[0].filename));
buf.push("message");
jade_debug.shift();
jade_debug.shift();
buf.push("</th>");
jade_debug.shift();
jade_debug.shift();
buf.push("</tr>");
jade_debug.shift();
jade_debug.unshift(new DebugItem(8, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
// iterate fortunes
;(function(){
var $$obj = fortunes;
if ('number' == typeof $$obj.length) {
for (var $index = 0, $$l = $$obj.length; $index < $$l; $index++) {
var fortune = $$obj[$index];
jade_debug.unshift(new DebugItem(8, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
jade_debug.unshift(new DebugItem(9, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<tr>");
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.unshift(new DebugItem(10, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.id) ? "" : jade_interp)));
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.unshift(new DebugItem(11, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.message) ? "" : jade_interp)));
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.shift();
buf.push("</tr>");
jade_debug.shift();
jade_debug.shift();
}
} else {
var $$l = 0;
for (var $index in $$obj) {
$$l++; var fortune = $$obj[$index];
jade_debug.unshift(new DebugItem(8, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
jade_debug.unshift(new DebugItem(9, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<tr>");
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.unshift(new DebugItem(10, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.id) ? "" : jade_interp)));
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.unshift(new DebugItem(11, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.message) ? "" : jade_interp)));
jade_debug.unshift(new DebugItem(undefined, jade_debug[0].filename));
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.shift();
buf.push("</tr>");
jade_debug.shift();
jade_debug.shift();
}
}
}).call(this);
jade_debug.shift();
jade_debug.shift();
buf.push("</table>");
jade_debug.shift();
jade_debug.shift();
jade_debug.shift();
buf.push("</body>");
jade_debug.shift();
jade_debug.shift();
buf.push("</html>");
jade_debug.shift();
jade_debug.shift();
}.call(this,"fortunes" in locals_for_with?locals_for_with.fortunes:typeof fortunes!=="undefined"?fortunes:undefined,"undefined" in locals_for_with?locals_for_with.undefined:typeof undefined!=="undefined"?undefined:undefined));;return buf.join("");
} catch (err) {
jade.rethrow(err, jade_debug[0].filename, jade_debug[0].lineno,"extends ../layout\n\nblock content\n table\n tr\n th id\n th message\n for fortune in fortunes\n tr\n td= fortune.id\n td= fortune.message\n");
}
}
function DebugItemFactory(lineno, filename) {
return {
lineno: lineno,
filename: filename
};
}
function fixedMemoryLeak2() {
var jade_debug = [DebugItemFactory(1, "/home/andreas/code/sampleexpress/views/fortunes/index.jade")];
try {
var buf = [];
var jade_mixins = {};
var jade_interp;
;var locals_for_with = (locals || {});(function (fortunes, undefined) {
jade_debug.unshift(DebugItemFactory(0, "/home/andreas/code/sampleexpress/views/layout.jade"));
jade_debug.unshift(DebugItemFactory(1, "/home/andreas/code/sampleexpress/views/layout.jade"));
buf.push("<!DOCTYPE html>");
jade_debug.shift();
jade_debug.unshift(DebugItemFactory(2, "/home/andreas/code/sampleexpress/views/layout.jade"));
buf.push("<html>");
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.unshift(DebugItemFactory(3, "/home/andreas/code/sampleexpress/views/layout.jade"));
buf.push("<head>");
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.unshift(DebugItemFactory(4, "/home/andreas/code/sampleexpress/views/layout.jade"));
buf.push("<title>");
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.unshift(DebugItemFactory(4, jade_debug[0].filename));
buf.push("Fortunes");
jade_debug.shift();
jade_debug.shift();
buf.push("</title>");
jade_debug.shift();
jade_debug.shift();
buf.push("</head>");
jade_debug.shift();
jade_debug.unshift(DebugItemFactory(5, "/home/andreas/code/sampleexpress/views/layout.jade"));
buf.push("<body>");
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.unshift(DebugItemFactory(3, "/home/andreas/code/sampleexpress/views/layout.jade"));
jade_debug.unshift(DebugItemFactory(4, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<table>");
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.unshift(DebugItemFactory(5, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<tr>");
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.unshift(DebugItemFactory(6, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<th>");
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.unshift(DebugItemFactory(6, jade_debug[0].filename));
buf.push("id");
jade_debug.shift();
jade_debug.shift();
buf.push("</th>");
jade_debug.shift();
jade_debug.unshift(DebugItemFactory(7, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<th>");
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.unshift(DebugItemFactory(7, jade_debug[0].filename));
buf.push("message");
jade_debug.shift();
jade_debug.shift();
buf.push("</th>");
jade_debug.shift();
jade_debug.shift();
buf.push("</tr>");
jade_debug.shift();
jade_debug.unshift(DebugItemFactory(8, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
// iterate fortunes
;(function(){
var $$obj = fortunes;
if ('number' == typeof $$obj.length) {
for (var $index = 0, $$l = $$obj.length; $index < $$l; $index++) {
var fortune = $$obj[$index];
jade_debug.unshift(DebugItemFactory(8, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
jade_debug.unshift(DebugItemFactory(9, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<tr>");
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.unshift(DebugItemFactory(10, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.id) ? "" : jade_interp)));
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.unshift(DebugItemFactory(11, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.message) ? "" : jade_interp)));
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.shift();
buf.push("</tr>");
jade_debug.shift();
jade_debug.shift();
}
} else {
var $$l = 0;
for (var $index in $$obj) {
$$l++; var fortune = $$obj[$index];
jade_debug.unshift(DebugItemFactory(8, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
jade_debug.unshift(DebugItemFactory(9, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<tr>");
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.unshift(DebugItemFactory(10, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.id) ? "" : jade_interp)));
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.unshift(DebugItemFactory(11, "/home/andreas/code/sampleexpress/views/fortunes/index.jade"));
buf.push("<td>" + (jade.escape(null == (jade_interp = fortune.message) ? "" : jade_interp)));
jade_debug.unshift(DebugItemFactory(undefined, jade_debug[0].filename));
jade_debug.shift();
buf.push("</td>");
jade_debug.shift();
jade_debug.shift();
buf.push("</tr>");
jade_debug.shift();
jade_debug.shift();
}
}
}).call(this);
jade_debug.shift();
jade_debug.shift();
buf.push("</table>");
jade_debug.shift();
jade_debug.shift();
jade_debug.shift();
buf.push("</body>");
jade_debug.shift();
jade_debug.shift();
buf.push("</html>");
jade_debug.shift();
jade_debug.shift();
}.call(this,"fortunes" in locals_for_with?locals_for_with.fortunes:typeof fortunes!=="undefined"?fortunes:undefined,"undefined" in locals_for_with?locals_for_with.undefined:typeof undefined!=="undefined"?undefined:undefined));;return buf.join("");
} catch (err) {
jade.rethrow(err, jade_debug[0].filename, jade_debug[0].lineno,"extends ../layout\n\nblock content\n table\n tr\n th id\n th message\n for fortune in fortunes\n tr\n td= fortune.id\n td= fortune.message\n");
}
}
// Jade Runtime
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.jade=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
'use strict';
/**
* Merge two attribute objects giving precedence
* to values in object `b`. Classes are special-cased
* allowing for arrays and merging/joining appropriately
* resulting in a string.
*
* @param {Object} a
* @param {Object} b
* @return {Object} a
* @api private
*/
exports.merge = function merge(a, b) {
if (arguments.length === 1) {
var attrs = a[0];
for (var i = 1; i < a.length; i++) {
attrs = merge(attrs, a[i]);
}
return attrs;
}
var ac = a['class'];
var bc = b['class'];
if (ac || bc) {
ac = ac || [];
bc = bc || [];
if (!Array.isArray(ac)) ac = [ac];
if (!Array.isArray(bc)) bc = [bc];
a['class'] = ac.concat(bc).filter(nulls);
}
for (var key in b) {
if (key != 'class') {
a[key] = b[key];
}
}
return a;
};
/**
* Filter null `val`s.
*
* @param {*} val
* @return {Boolean}
* @api private
*/
function nulls(val) {
return val != null && val !== '';
}
/**
* join array as classes.
*
* @param {*} val
* @return {String}
*/
exports.joinClasses = joinClasses;
function joinClasses(val) {
return (Array.isArray(val) ? val.map(joinClasses) :
(val && typeof val === 'object') ? Object.keys(val).filter(function (key) { return val[key]; }) :
[val]).filter(nulls).join(' ');
}
/**
* Render the given classes.
*
* @param {Array} classes
* @param {Array.<Boolean>} escaped
* @return {String}
*/
exports.cls = function cls(classes, escaped) {
var buf = [];
for (var i = 0; i < classes.length; i++) {
if (escaped && escaped[i]) {
buf.push(exports.escape(joinClasses([classes[i]])));
} else {
buf.push(joinClasses(classes[i]));
}
}
var text = joinClasses(buf);
if (text.length) {
return ' class="' + text + '"';
} else {
return '';
}
};
exports.style = function (val) {
if (val && typeof val === 'object') {
return Object.keys(val).map(function (style) {
return style + ':' + val[style];
}).join(';');
} else {
return val;
}
};
/**
* Render the given attribute.
*
* @param {String} key
* @param {String} val
* @param {Boolean} escaped
* @param {Boolean} terse
* @return {String}
*/
exports.attr = function attr(key, val, escaped, terse) {
if (key === 'style') {
val = exports.style(val);
}
if ('boolean' == typeof val || null == val) {
if (val) {
return ' ' + (terse ? key : key + '="' + key + '"');
} else {
return '';
}
} else if (0 == key.indexOf('data') && 'string' != typeof val) {
if (JSON.stringify(val).indexOf('&') !== -1) {
console.warn('Since Jade 2.0.0, ampersands (`&`) in data attributes ' +
'will be escaped to `&`');
};
if (val && typeof val.toISOString === 'function') {
console.warn('Jade will eliminate the double quotes around dates in ' +
'ISO form after 2.0.0');
}
return ' ' + key + "='" + JSON.stringify(val).replace(/'/g, ''') + "'";
} else if (escaped) {
if (val && typeof val.toISOString === 'function') {
console.warn('Jade will stringify dates in ISO form after 2.0.0');
}
return ' ' + key + '="' + exports.escape(val) + '"';
} else {
if (val && typeof val.toISOString === 'function') {
console.warn('Jade will stringify dates in ISO form after 2.0.0');
}
return ' ' + key + '="' + val + '"';
}
};
/**
* Render the given attributes object.
*
* @param {Object} obj
* @param {Object} escaped
* @return {String}
*/
exports.attrs = function attrs(obj, terse){
var buf = [];
var keys = Object.keys(obj);
if (keys.length) {
for (var i = 0; i < keys.length; ++i) {
var key = keys[i]
, val = obj[key];
if ('class' == key) {
if (val = joinClasses(val)) {
buf.push(' ' + key + '="' + val + '"');
}
} else {
buf.push(exports.attr(key, val, false, terse));
}
}
}
return buf.join('');
};
/**
* Escape the given string of `html`.
*
* @param {String} html
* @return {String}
* @api private
*/
exports.escape = function escape(html){
var result = String(html)
.replace(/&/g, '&')
.replace(/</g, '<')
.replace(/>/g, '>')
.replace(/"/g, '"');
if (result === '' + html) return html;
else return result;
};
/**
* Re-throw the given `err` in context to the
* the jade in `filename` at the given `lineno`.
*
* @param {Error} err
* @param {String} filename
* @param {String} lineno
* @api private
*/
exports.rethrow = function rethrow(err, filename, lineno, str){
if (!(err instanceof Error)) throw err;
if ((typeof window != 'undefined' || !filename) && !str) {
err.message += ' on line ' + lineno;
throw err;
}
try {
str = str || require('fs').readFileSync(filename, 'utf8')
} catch (ex) {
rethrow(err, null, lineno)
}
var context = 3
, lines = str.split('\n')
, start = Math.max(lineno - context, 0)
, end = Math.min(lines.length, lineno + context);
// Error context
var context = lines.slice(start, end).map(function(line, i){
var curr = i + start + 1;
return (curr == lineno ? ' > ' : ' ')
+ curr
+ '| '
+ line;
}).join('\n');
// Alter exception message
err.path = filename;
err.message = (filename || 'Jade') + ':' + lineno
+ '\n' + context + '\n\n' + err.message;
throw err;
};
},{"fs":2}],2:[function(require,module,exports){
},{}]},{},[1])(1)
});
</script>