543 lines
16 KiB
JavaScript
543 lines
16 KiB
JavaScript
/*!
|
|
ICanHaz.js version 0.10 -- by @HenrikJoreteg
|
|
More info at: http://icanhazjs.com
|
|
*/
|
|
(function () {
|
|
/*
|
|
mustache.js — Logic-less templates in JavaScript
|
|
|
|
See http://mustache.github.com/ for more info.
|
|
*/
|
|
|
|
var Mustache = function () {
|
|
var _toString = Object.prototype.toString;
|
|
|
|
Array.isArray = Array.isArray || function (obj) {
|
|
return _toString.call(obj) == "[object Array]";
|
|
}
|
|
|
|
var _trim = String.prototype.trim, trim;
|
|
|
|
if (_trim) {
|
|
trim = function (text) {
|
|
return text == null ? "" : _trim.call(text);
|
|
}
|
|
} else {
|
|
var trimLeft, trimRight;
|
|
|
|
// IE doesn't match non-breaking spaces with \s.
|
|
if ((/\S/).test("\xA0")) {
|
|
trimLeft = /^[\s\xA0]+/;
|
|
trimRight = /[\s\xA0]+$/;
|
|
} else {
|
|
trimLeft = /^\s+/;
|
|
trimRight = /\s+$/;
|
|
}
|
|
|
|
trim = function (text) {
|
|
return text == null ? "" :
|
|
text.toString().replace(trimLeft, "").replace(trimRight, "");
|
|
}
|
|
}
|
|
|
|
var escapeMap = {
|
|
"&": "&",
|
|
"<": "<",
|
|
">": ">",
|
|
'"': '"',
|
|
"'": '''
|
|
};
|
|
|
|
function escapeHTML(string) {
|
|
return String(string).replace(/&(?!\w+;)|[<>"']/g, function (s) {
|
|
return escapeMap[s] || s;
|
|
});
|
|
}
|
|
|
|
var regexCache = {};
|
|
var Renderer = function () {};
|
|
|
|
Renderer.prototype = {
|
|
otag: "{{",
|
|
ctag: "}}",
|
|
pragmas: {},
|
|
buffer: [],
|
|
pragmas_implemented: {
|
|
"IMPLICIT-ITERATOR": true
|
|
},
|
|
context: {},
|
|
|
|
render: function (template, context, partials, in_recursion) {
|
|
// reset buffer & set context
|
|
if (!in_recursion) {
|
|
this.context = context;
|
|
this.buffer = []; // TODO: make this non-lazy
|
|
}
|
|
|
|
// fail fast
|
|
if (!this.includes("", template)) {
|
|
if (in_recursion) {
|
|
return template;
|
|
} else {
|
|
this.send(template);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// get the pragmas together
|
|
template = this.render_pragmas(template);
|
|
|
|
// render the template
|
|
var html = this.render_section(template, context, partials);
|
|
|
|
// render_section did not find any sections, we still need to render the tags
|
|
if (html === false) {
|
|
html = this.render_tags(template, context, partials, in_recursion);
|
|
}
|
|
|
|
if (in_recursion) {
|
|
return html;
|
|
} else {
|
|
this.sendLines(html);
|
|
}
|
|
},
|
|
|
|
/*
|
|
Sends parsed lines
|
|
*/
|
|
send: function (line) {
|
|
if (line !== "") {
|
|
this.buffer.push(line);
|
|
}
|
|
},
|
|
|
|
sendLines: function (text) {
|
|
if (text) {
|
|
var lines = text.split("\n");
|
|
for (var i = 0; i < lines.length; i++) {
|
|
this.send(lines[i]);
|
|
}
|
|
}
|
|
},
|
|
|
|
/*
|
|
Looks for %PRAGMAS
|
|
*/
|
|
render_pragmas: function (template) {
|
|
// no pragmas
|
|
if (!this.includes("%", template)) {
|
|
return template;
|
|
}
|
|
|
|
var that = this;
|
|
var regex = this.getCachedRegex("render_pragmas", function (otag, ctag) {
|
|
return new RegExp(otag + "%([\\w-]+) ?([\\w]+=[\\w]+)?" + ctag, "g");
|
|
});
|
|
|
|
return template.replace(regex, function (match, pragma, options) {
|
|
if (!that.pragmas_implemented[pragma]) {
|
|
throw({message:
|
|
"This implementation of mustache doesn't understand the '" +
|
|
pragma + "' pragma"});
|
|
}
|
|
that.pragmas[pragma] = {};
|
|
if (options) {
|
|
var opts = options.split("=");
|
|
that.pragmas[pragma][opts[0]] = opts[1];
|
|
}
|
|
return "";
|
|
// ignore unknown pragmas silently
|
|
});
|
|
},
|
|
|
|
/*
|
|
Tries to find a partial in the curent scope and render it
|
|
*/
|
|
render_partial: function (name, context, partials) {
|
|
name = trim(name);
|
|
if (!partials || partials[name] === undefined) {
|
|
throw({message: "unknown_partial '" + name + "'"});
|
|
}
|
|
if (!context || typeof context[name] != "object") {
|
|
return this.render(partials[name], context, partials, true);
|
|
}
|
|
return this.render(partials[name], context[name], partials, true);
|
|
},
|
|
|
|
/*
|
|
Renders inverted (^) and normal (#) sections
|
|
*/
|
|
render_section: function (template, context, partials) {
|
|
if (!this.includes("#", template) && !this.includes("^", template)) {
|
|
// did not render anything, there were no sections
|
|
return false;
|
|
}
|
|
|
|
var that = this;
|
|
|
|
var regex = this.getCachedRegex("render_section", function (otag, ctag) {
|
|
// This regex matches _the first_ section ({{#foo}}{{/foo}}), and captures the remainder
|
|
return new RegExp(
|
|
"^([\\s\\S]*?)" + // all the crap at the beginning that is not {{*}} ($1)
|
|
|
|
otag + // {{
|
|
"(\\^|\\#)\\s*(.+)\\s*" + // #foo (# == $2, foo == $3)
|
|
ctag + // }}
|
|
|
|
"\n*([\\s\\S]*?)" + // between the tag ($2). leading newlines are dropped
|
|
|
|
otag + // {{
|
|
"\\/\\s*\\3\\s*" + // /foo (backreference to the opening tag).
|
|
ctag + // }}
|
|
|
|
"\\s*([\\s\\S]*)$", // everything else in the string ($4). leading whitespace is dropped.
|
|
|
|
"g");
|
|
});
|
|
|
|
|
|
// for each {{#foo}}{{/foo}} section do...
|
|
return template.replace(regex, function (match, before, type, name, content, after) {
|
|
// before contains only tags, no sections
|
|
var renderedBefore = before ? that.render_tags(before, context, partials, true) : "",
|
|
|
|
// after may contain both sections and tags, so use full rendering function
|
|
renderedAfter = after ? that.render(after, context, partials, true) : "",
|
|
|
|
// will be computed below
|
|
renderedContent,
|
|
|
|
value = that.find(name, context);
|
|
|
|
if (type === "^") { // inverted section
|
|
if (!value || Array.isArray(value) && value.length === 0) {
|
|
// false or empty list, render it
|
|
renderedContent = that.render(content, context, partials, true);
|
|
} else {
|
|
renderedContent = "";
|
|
}
|
|
} else if (type === "#") { // normal section
|
|
if (Array.isArray(value)) { // Enumerable, Let's loop!
|
|
renderedContent = that.map(value, function (row) {
|
|
return that.render(content, that.create_context(row), partials, true);
|
|
}).join("");
|
|
} else if (that.is_object(value)) { // Object, Use it as subcontext!
|
|
renderedContent = that.render(content, that.create_context(value),
|
|
partials, true);
|
|
} else if (typeof value == "function") {
|
|
// higher order section
|
|
renderedContent = value.call(context, content, function (text) {
|
|
return that.render(text, context, partials, true);
|
|
});
|
|
} else if (value) { // boolean section
|
|
renderedContent = that.render(content, context, partials, true);
|
|
} else {
|
|
renderedContent = "";
|
|
}
|
|
}
|
|
|
|
return renderedBefore + renderedContent + renderedAfter;
|
|
});
|
|
},
|
|
|
|
/*
|
|
Replace {{foo}} and friends with values from our view
|
|
*/
|
|
render_tags: function (template, context, partials, in_recursion) {
|
|
// tit for tat
|
|
var that = this;
|
|
|
|
var new_regex = function () {
|
|
return that.getCachedRegex("render_tags", function (otag, ctag) {
|
|
return new RegExp(otag + "(=|!|>|&|\\{|%)?([^#\\^]+?)\\1?" + ctag + "+", "g");
|
|
});
|
|
};
|
|
|
|
var regex = new_regex();
|
|
var tag_replace_callback = function (match, operator, name) {
|
|
switch(operator) {
|
|
case "!": // ignore comments
|
|
return "";
|
|
case "=": // set new delimiters, rebuild the replace regexp
|
|
that.set_delimiters(name);
|
|
regex = new_regex();
|
|
return "";
|
|
case ">": // render partial
|
|
return that.render_partial(name, context, partials);
|
|
case "{": // the triple mustache is unescaped
|
|
case "&": // & operator is an alternative unescape method
|
|
return that.find(name, context);
|
|
default: // escape the value
|
|
return escapeHTML(that.find(name, context));
|
|
}
|
|
};
|
|
var lines = template.split("\n");
|
|
for(var i = 0; i < lines.length; i++) {
|
|
lines[i] = lines[i].replace(regex, tag_replace_callback, this);
|
|
if (!in_recursion) {
|
|
this.send(lines[i]);
|
|
}
|
|
}
|
|
|
|
if (in_recursion) {
|
|
return lines.join("\n");
|
|
}
|
|
},
|
|
|
|
set_delimiters: function (delimiters) {
|
|
var dels = delimiters.split(" ");
|
|
this.otag = this.escape_regex(dels[0]);
|
|
this.ctag = this.escape_regex(dels[1]);
|
|
},
|
|
|
|
escape_regex: function (text) {
|
|
// thank you Simon Willison
|
|
if (!arguments.callee.sRE) {
|
|
var specials = [
|
|
'/', '.', '*', '+', '?', '|',
|
|
'(', ')', '[', ']', '{', '}', '\\'
|
|
];
|
|
arguments.callee.sRE = new RegExp(
|
|
'(\\' + specials.join('|\\') + ')', 'g'
|
|
);
|
|
}
|
|
return text.replace(arguments.callee.sRE, '\\$1');
|
|
},
|
|
|
|
/*
|
|
find `name` in current `context`. That is find me a value
|
|
from the view object
|
|
*/
|
|
find: function (name, context) {
|
|
name = trim(name);
|
|
|
|
// Checks whether a value is thruthy or false or 0
|
|
function is_kinda_truthy(bool) {
|
|
return bool === false || bool === 0 || bool;
|
|
}
|
|
|
|
var value;
|
|
|
|
// check for dot notation eg. foo.bar
|
|
if (name.match(/([a-z_]+)\./ig)) {
|
|
var childValue = this.walk_context(name, context);
|
|
if (is_kinda_truthy(childValue)) {
|
|
value = childValue;
|
|
}
|
|
} else {
|
|
if (is_kinda_truthy(context[name])) {
|
|
value = context[name];
|
|
} else if (is_kinda_truthy(this.context[name])) {
|
|
value = this.context[name];
|
|
}
|
|
}
|
|
|
|
if (typeof value == "function") {
|
|
return value.apply(context);
|
|
}
|
|
if (value !== undefined) {
|
|
return value;
|
|
}
|
|
// silently ignore unkown variables
|
|
return "";
|
|
},
|
|
|
|
walk_context: function (name, context) {
|
|
var path = name.split('.');
|
|
// if the var doesn't exist in current context, check the top level context
|
|
var value_context = (context[path[0]] != undefined) ? context : this.context;
|
|
var value = value_context[path.shift()];
|
|
while (value != undefined && path.length > 0) {
|
|
value_context = value;
|
|
value = value[path.shift()];
|
|
}
|
|
// if the value is a function, call it, binding the correct context
|
|
if (typeof value == "function") {
|
|
return value.apply(value_context);
|
|
}
|
|
return value;
|
|
},
|
|
|
|
// Utility methods
|
|
|
|
/* includes tag */
|
|
includes: function (needle, haystack) {
|
|
return haystack.indexOf(this.otag + needle) != -1;
|
|
},
|
|
|
|
// by @langalex, support for arrays of strings
|
|
create_context: function (_context) {
|
|
if (this.is_object(_context)) {
|
|
return _context;
|
|
} else {
|
|
var iterator = ".";
|
|
if (this.pragmas["IMPLICIT-ITERATOR"]) {
|
|
iterator = this.pragmas["IMPLICIT-ITERATOR"].iterator;
|
|
}
|
|
var ctx = {};
|
|
ctx[iterator] = _context;
|
|
return ctx;
|
|
}
|
|
},
|
|
|
|
is_object: function (a) {
|
|
return a && typeof a == "object";
|
|
},
|
|
|
|
/*
|
|
Why, why, why? Because IE. Cry, cry cry.
|
|
*/
|
|
map: function (array, fn) {
|
|
if (typeof array.map == "function") {
|
|
return array.map(fn);
|
|
} else {
|
|
var r = [];
|
|
var l = array.length;
|
|
for(var i = 0; i < l; i++) {
|
|
r.push(fn(array[i]));
|
|
}
|
|
return r;
|
|
}
|
|
},
|
|
|
|
getCachedRegex: function (name, generator) {
|
|
var byOtag = regexCache[this.otag];
|
|
if (!byOtag) {
|
|
byOtag = regexCache[this.otag] = {};
|
|
}
|
|
|
|
var byCtag = byOtag[this.ctag];
|
|
if (!byCtag) {
|
|
byCtag = byOtag[this.ctag] = {};
|
|
}
|
|
|
|
var regex = byCtag[name];
|
|
if (!regex) {
|
|
regex = byCtag[name] = generator(this.otag, this.ctag);
|
|
}
|
|
|
|
return regex;
|
|
}
|
|
};
|
|
|
|
return({
|
|
name: "mustache.js",
|
|
version: "0.4.0",
|
|
|
|
/*
|
|
Turns a template and view into HTML
|
|
*/
|
|
to_html: function (template, view, partials, send_fun) {
|
|
var renderer = new Renderer();
|
|
if (send_fun) {
|
|
renderer.send = send_fun;
|
|
}
|
|
renderer.render(template, view || {}, partials);
|
|
if (!send_fun) {
|
|
return renderer.buffer.join("\n");
|
|
}
|
|
}
|
|
});
|
|
}();
|
|
/*!
|
|
ICanHaz.js -- by @HenrikJoreteg
|
|
*/
|
|
/*global */
|
|
(function () {
|
|
function trim(stuff) {
|
|
if (''.trim) return stuff.trim();
|
|
else return stuff.replace(/^\s+/, '').replace(/\s+$/, '');
|
|
}
|
|
var ich = {
|
|
VERSION: "0.10",
|
|
templates: {},
|
|
|
|
// grab jquery or zepto if it's there
|
|
$: (typeof window !== 'undefined') ? window.jQuery || window.Zepto || null : null,
|
|
|
|
// public function for adding templates
|
|
// can take a name and template string arguments
|
|
// or can take an object with name/template pairs
|
|
// We're enforcing uniqueness to avoid accidental template overwrites.
|
|
// If you want a different template, it should have a different name.
|
|
addTemplate: function (name, templateString) {
|
|
if (typeof name === 'object') {
|
|
for (var template in name) {
|
|
this.addTemplate(template, name[template]);
|
|
}
|
|
return;
|
|
}
|
|
if (ich[name]) {
|
|
console.error("Invalid name: " + name + ".");
|
|
} else if (ich.templates[name]) {
|
|
console.error("Template \"" + name + " \" exists");
|
|
} else {
|
|
ich.templates[name] = templateString;
|
|
ich[name] = function (data, raw) {
|
|
data = data || {};
|
|
var result = Mustache.to_html(ich.templates[name], data, ich.templates);
|
|
return (ich.$ && !raw) ? ich.$(result) : result;
|
|
};
|
|
}
|
|
},
|
|
|
|
// clears all retrieval functions and empties cache
|
|
clearAll: function () {
|
|
for (var key in ich.templates) {
|
|
delete ich[key];
|
|
}
|
|
ich.templates = {};
|
|
},
|
|
|
|
// clears/grabs
|
|
refresh: function () {
|
|
ich.clearAll();
|
|
ich.grabTemplates();
|
|
},
|
|
|
|
// grabs templates from the DOM and caches them.
|
|
// Loop through and add templates.
|
|
// Whitespace at beginning and end of all templates inside <script> tags will
|
|
// be trimmed. If you want whitespace around a partial, add it in the parent,
|
|
// not the partial. Or do it explicitly using <br/> or
|
|
grabTemplates: function () {
|
|
var i,
|
|
scripts = document.getElementsByTagName('script'),
|
|
script,
|
|
trash = [];
|
|
for (i = 0, l = scripts.length; i < l; i++) {
|
|
script = scripts[i];
|
|
if (script && script.innerHTML && script.id && (script.type === "text/html" || script.type === "text/x-icanhaz")) {
|
|
ich.addTemplate(script.id, trim(script.innerHTML));
|
|
trash.unshift(script);
|
|
}
|
|
}
|
|
for (i = 0, l = trash.length; i < l; i++) {
|
|
trash[i].parentNode.removeChild(trash[i]);
|
|
}
|
|
}
|
|
};
|
|
|
|
// Use CommonJS if applicable
|
|
if (typeof require !== 'undefined') {
|
|
module.exports = ich;
|
|
} else {
|
|
// else attach it to the window
|
|
window.ich = ich;
|
|
}
|
|
|
|
if (typeof document !== 'undefined') {
|
|
if (ich.$) {
|
|
ich.$(function () {
|
|
ich.grabTemplates();
|
|
});
|
|
} else {
|
|
document.addEventListener('DOMContentLoaded', function () {
|
|
ich.grabTemplates();
|
|
}, true);
|
|
}
|
|
}
|
|
|
|
})();
|
|
})();
|