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369
web/metronic/global/plugins/codemirror/mode/coffeescript/coffeescript.js
vendored
Normal file
369
web/metronic/global/plugins/codemirror/mode/coffeescript/coffeescript.js
vendored
Normal file
|
|
@ -0,0 +1,369 @@
|
|||
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
||||
// Distributed under an MIT license: http://codemirror.net/LICENSE
|
||||
|
||||
/**
|
||||
* Link to the project's GitHub page:
|
||||
* https://github.com/pickhardt/coffeescript-codemirror-mode
|
||||
*/
|
||||
(function(mod) {
|
||||
if (typeof exports == "object" && typeof module == "object") // CommonJS
|
||||
mod(require("../../lib/codemirror"));
|
||||
else if (typeof define == "function" && define.amd) // AMD
|
||||
define(["../../lib/codemirror"], mod);
|
||||
else // Plain browser env
|
||||
mod(CodeMirror);
|
||||
})(function(CodeMirror) {
|
||||
"use strict";
|
||||
|
||||
CodeMirror.defineMode("coffeescript", function(conf, parserConf) {
|
||||
var ERRORCLASS = "error";
|
||||
|
||||
function wordRegexp(words) {
|
||||
return new RegExp("^((" + words.join(")|(") + "))\\b");
|
||||
}
|
||||
|
||||
var operators = /^(?:->|=>|\+[+=]?|-[\-=]?|\*[\*=]?|\/[\/=]?|[=!]=|<[><]?=?|>>?=?|%=?|&=?|\|=?|\^=?|\~|!|\?|(or|and|\|\||&&|\?)=)/;
|
||||
var delimiters = /^(?:[()\[\]{},:`=;]|\.\.?\.?)/;
|
||||
var identifiers = /^[_A-Za-z$][_A-Za-z$0-9]*/;
|
||||
var properties = /^(@|this\.)[_A-Za-z$][_A-Za-z$0-9]*/;
|
||||
|
||||
var wordOperators = wordRegexp(["and", "or", "not",
|
||||
"is", "isnt", "in",
|
||||
"instanceof", "typeof"]);
|
||||
var indentKeywords = ["for", "while", "loop", "if", "unless", "else",
|
||||
"switch", "try", "catch", "finally", "class"];
|
||||
var commonKeywords = ["break", "by", "continue", "debugger", "delete",
|
||||
"do", "in", "of", "new", "return", "then",
|
||||
"this", "@", "throw", "when", "until", "extends"];
|
||||
|
||||
var keywords = wordRegexp(indentKeywords.concat(commonKeywords));
|
||||
|
||||
indentKeywords = wordRegexp(indentKeywords);
|
||||
|
||||
|
||||
var stringPrefixes = /^('{3}|\"{3}|['\"])/;
|
||||
var regexPrefixes = /^(\/{3}|\/)/;
|
||||
var commonConstants = ["Infinity", "NaN", "undefined", "null", "true", "false", "on", "off", "yes", "no"];
|
||||
var constants = wordRegexp(commonConstants);
|
||||
|
||||
// Tokenizers
|
||||
function tokenBase(stream, state) {
|
||||
// Handle scope changes
|
||||
if (stream.sol()) {
|
||||
if (state.scope.align === null) state.scope.align = false;
|
||||
var scopeOffset = state.scope.offset;
|
||||
if (stream.eatSpace()) {
|
||||
var lineOffset = stream.indentation();
|
||||
if (lineOffset > scopeOffset && state.scope.type == "coffee") {
|
||||
return "indent";
|
||||
} else if (lineOffset < scopeOffset) {
|
||||
return "dedent";
|
||||
}
|
||||
return null;
|
||||
} else {
|
||||
if (scopeOffset > 0) {
|
||||
dedent(stream, state);
|
||||
}
|
||||
}
|
||||
}
|
||||
if (stream.eatSpace()) {
|
||||
return null;
|
||||
}
|
||||
|
||||
var ch = stream.peek();
|
||||
|
||||
// Handle docco title comment (single line)
|
||||
if (stream.match("####")) {
|
||||
stream.skipToEnd();
|
||||
return "comment";
|
||||
}
|
||||
|
||||
// Handle multi line comments
|
||||
if (stream.match("###")) {
|
||||
state.tokenize = longComment;
|
||||
return state.tokenize(stream, state);
|
||||
}
|
||||
|
||||
// Single line comment
|
||||
if (ch === "#") {
|
||||
stream.skipToEnd();
|
||||
return "comment";
|
||||
}
|
||||
|
||||
// Handle number literals
|
||||
if (stream.match(/^-?[0-9\.]/, false)) {
|
||||
var floatLiteral = false;
|
||||
// Floats
|
||||
if (stream.match(/^-?\d*\.\d+(e[\+\-]?\d+)?/i)) {
|
||||
floatLiteral = true;
|
||||
}
|
||||
if (stream.match(/^-?\d+\.\d*/)) {
|
||||
floatLiteral = true;
|
||||
}
|
||||
if (stream.match(/^-?\.\d+/)) {
|
||||
floatLiteral = true;
|
||||
}
|
||||
|
||||
if (floatLiteral) {
|
||||
// prevent from getting extra . on 1..
|
||||
if (stream.peek() == "."){
|
||||
stream.backUp(1);
|
||||
}
|
||||
return "number";
|
||||
}
|
||||
// Integers
|
||||
var intLiteral = false;
|
||||
// Hex
|
||||
if (stream.match(/^-?0x[0-9a-f]+/i)) {
|
||||
intLiteral = true;
|
||||
}
|
||||
// Decimal
|
||||
if (stream.match(/^-?[1-9]\d*(e[\+\-]?\d+)?/)) {
|
||||
intLiteral = true;
|
||||
}
|
||||
// Zero by itself with no other piece of number.
|
||||
if (stream.match(/^-?0(?![\dx])/i)) {
|
||||
intLiteral = true;
|
||||
}
|
||||
if (intLiteral) {
|
||||
return "number";
|
||||
}
|
||||
}
|
||||
|
||||
// Handle strings
|
||||
if (stream.match(stringPrefixes)) {
|
||||
state.tokenize = tokenFactory(stream.current(), false, "string");
|
||||
return state.tokenize(stream, state);
|
||||
}
|
||||
// Handle regex literals
|
||||
if (stream.match(regexPrefixes)) {
|
||||
if (stream.current() != "/" || stream.match(/^.*\//, false)) { // prevent highlight of division
|
||||
state.tokenize = tokenFactory(stream.current(), true, "string-2");
|
||||
return state.tokenize(stream, state);
|
||||
} else {
|
||||
stream.backUp(1);
|
||||
}
|
||||
}
|
||||
|
||||
// Handle operators and delimiters
|
||||
if (stream.match(operators) || stream.match(wordOperators)) {
|
||||
return "operator";
|
||||
}
|
||||
if (stream.match(delimiters)) {
|
||||
return "punctuation";
|
||||
}
|
||||
|
||||
if (stream.match(constants)) {
|
||||
return "atom";
|
||||
}
|
||||
|
||||
if (stream.match(keywords)) {
|
||||
return "keyword";
|
||||
}
|
||||
|
||||
if (stream.match(identifiers)) {
|
||||
return "variable";
|
||||
}
|
||||
|
||||
if (stream.match(properties)) {
|
||||
return "property";
|
||||
}
|
||||
|
||||
// Handle non-detected items
|
||||
stream.next();
|
||||
return ERRORCLASS;
|
||||
}
|
||||
|
||||
function tokenFactory(delimiter, singleline, outclass) {
|
||||
return function(stream, state) {
|
||||
while (!stream.eol()) {
|
||||
stream.eatWhile(/[^'"\/\\]/);
|
||||
if (stream.eat("\\")) {
|
||||
stream.next();
|
||||
if (singleline && stream.eol()) {
|
||||
return outclass;
|
||||
}
|
||||
} else if (stream.match(delimiter)) {
|
||||
state.tokenize = tokenBase;
|
||||
return outclass;
|
||||
} else {
|
||||
stream.eat(/['"\/]/);
|
||||
}
|
||||
}
|
||||
if (singleline) {
|
||||
if (parserConf.singleLineStringErrors) {
|
||||
outclass = ERRORCLASS;
|
||||
} else {
|
||||
state.tokenize = tokenBase;
|
||||
}
|
||||
}
|
||||
return outclass;
|
||||
};
|
||||
}
|
||||
|
||||
function longComment(stream, state) {
|
||||
while (!stream.eol()) {
|
||||
stream.eatWhile(/[^#]/);
|
||||
if (stream.match("###")) {
|
||||
state.tokenize = tokenBase;
|
||||
break;
|
||||
}
|
||||
stream.eatWhile("#");
|
||||
}
|
||||
return "comment";
|
||||
}
|
||||
|
||||
function indent(stream, state, type) {
|
||||
type = type || "coffee";
|
||||
var offset = 0, align = false, alignOffset = null;
|
||||
for (var scope = state.scope; scope; scope = scope.prev) {
|
||||
if (scope.type === "coffee" || scope.type == "}") {
|
||||
offset = scope.offset + conf.indentUnit;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (type !== "coffee") {
|
||||
align = null;
|
||||
alignOffset = stream.column() + stream.current().length;
|
||||
} else if (state.scope.align) {
|
||||
state.scope.align = false;
|
||||
}
|
||||
state.scope = {
|
||||
offset: offset,
|
||||
type: type,
|
||||
prev: state.scope,
|
||||
align: align,
|
||||
alignOffset: alignOffset
|
||||
};
|
||||
}
|
||||
|
||||
function dedent(stream, state) {
|
||||
if (!state.scope.prev) return;
|
||||
if (state.scope.type === "coffee") {
|
||||
var _indent = stream.indentation();
|
||||
var matched = false;
|
||||
for (var scope = state.scope; scope; scope = scope.prev) {
|
||||
if (_indent === scope.offset) {
|
||||
matched = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!matched) {
|
||||
return true;
|
||||
}
|
||||
while (state.scope.prev && state.scope.offset !== _indent) {
|
||||
state.scope = state.scope.prev;
|
||||
}
|
||||
return false;
|
||||
} else {
|
||||
state.scope = state.scope.prev;
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
function tokenLexer(stream, state) {
|
||||
var style = state.tokenize(stream, state);
|
||||
var current = stream.current();
|
||||
|
||||
// Handle "." connected identifiers
|
||||
if (current === ".") {
|
||||
style = state.tokenize(stream, state);
|
||||
current = stream.current();
|
||||
if (/^\.[\w$]+$/.test(current)) {
|
||||
return "variable";
|
||||
} else {
|
||||
return ERRORCLASS;
|
||||
}
|
||||
}
|
||||
|
||||
// Handle scope changes.
|
||||
if (current === "return") {
|
||||
state.dedent = true;
|
||||
}
|
||||
if (((current === "->" || current === "=>") &&
|
||||
!state.lambda &&
|
||||
!stream.peek())
|
||||
|| style === "indent") {
|
||||
indent(stream, state);
|
||||
}
|
||||
var delimiter_index = "[({".indexOf(current);
|
||||
if (delimiter_index !== -1) {
|
||||
indent(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
|
||||
}
|
||||
if (indentKeywords.exec(current)){
|
||||
indent(stream, state);
|
||||
}
|
||||
if (current == "then"){
|
||||
dedent(stream, state);
|
||||
}
|
||||
|
||||
|
||||
if (style === "dedent") {
|
||||
if (dedent(stream, state)) {
|
||||
return ERRORCLASS;
|
||||
}
|
||||
}
|
||||
delimiter_index = "])}".indexOf(current);
|
||||
if (delimiter_index !== -1) {
|
||||
while (state.scope.type == "coffee" && state.scope.prev)
|
||||
state.scope = state.scope.prev;
|
||||
if (state.scope.type == current)
|
||||
state.scope = state.scope.prev;
|
||||
}
|
||||
if (state.dedent && stream.eol()) {
|
||||
if (state.scope.type == "coffee" && state.scope.prev)
|
||||
state.scope = state.scope.prev;
|
||||
state.dedent = false;
|
||||
}
|
||||
|
||||
return style;
|
||||
}
|
||||
|
||||
var external = {
|
||||
startState: function(basecolumn) {
|
||||
return {
|
||||
tokenize: tokenBase,
|
||||
scope: {offset:basecolumn || 0, type:"coffee", prev: null, align: false},
|
||||
lastToken: null,
|
||||
lambda: false,
|
||||
dedent: 0
|
||||
};
|
||||
},
|
||||
|
||||
token: function(stream, state) {
|
||||
var fillAlign = state.scope.align === null && state.scope;
|
||||
if (fillAlign && stream.sol()) fillAlign.align = false;
|
||||
|
||||
var style = tokenLexer(stream, state);
|
||||
if (fillAlign && style && style != "comment") fillAlign.align = true;
|
||||
|
||||
state.lastToken = {style:style, content: stream.current()};
|
||||
|
||||
if (stream.eol() && stream.lambda) {
|
||||
state.lambda = false;
|
||||
}
|
||||
|
||||
return style;
|
||||
},
|
||||
|
||||
indent: function(state, text) {
|
||||
if (state.tokenize != tokenBase) return 0;
|
||||
var scope = state.scope;
|
||||
var closer = text && "])}".indexOf(text.charAt(0)) > -1;
|
||||
if (closer) while (scope.type == "coffee" && scope.prev) scope = scope.prev;
|
||||
var closes = closer && scope.type === text.charAt(0);
|
||||
if (scope.align)
|
||||
return scope.alignOffset - (closes ? 1 : 0);
|
||||
else
|
||||
return (closes ? scope.prev : scope).offset;
|
||||
},
|
||||
|
||||
lineComment: "#",
|
||||
fold: "indent"
|
||||
};
|
||||
return external;
|
||||
});
|
||||
|
||||
CodeMirror.defineMIME("text/x-coffeescript", "coffeescript");
|
||||
|
||||
});
|
||||
234
web/metronic/global/plugins/codemirror/mode/coffeescript/index.html
vendored
Normal file
234
web/metronic/global/plugins/codemirror/mode/coffeescript/index.html
vendored
Normal file
|
|
@ -0,0 +1,234 @@
|
|||
<!doctype html>
|
||||
<title>CodeMirror: CoffeeScript mode</title>
|
||||
<meta charset="utf-8" />
|
||||
<link rel=stylesheet href="../../doc/docs.css">
|
||||
<link rel="stylesheet" href="../../lib/codemirror.css">
|
||||
<script src="../../lib/codemirror.js"></script>
|
||||
<script src="coffeescript.js"></script>
|
||||
<style>
|
||||
.CodeMirror {
|
||||
border-top: 1px solid silver;
|
||||
border-bottom: 1px solid silver;
|
||||
}
|
||||
</style>
|
||||
<div id=nav>
|
||||
<a href="http://codemirror.net">
|
||||
<h1>CodeMirror</h1>
|
||||
<img id=logo src="../../doc/logo.png">
|
||||
</a>
|
||||
<ul>
|
||||
<li>
|
||||
<a href="../../index.html">Home</a>
|
||||
<li>
|
||||
<a href="../../doc/manual.html">Manual</a>
|
||||
<li>
|
||||
<a href="https://github.com/codemirror/codemirror">Code</a>
|
||||
</ul>
|
||||
<ul>
|
||||
<li>
|
||||
<a href="../index.html">Language modes</a>
|
||||
<li>
|
||||
<a class=active href="#">CoffeeScript</a>
|
||||
</ul>
|
||||
</div>
|
||||
<article>
|
||||
<h2>CoffeeScript mode</h2>
|
||||
<form>
|
||||
<textarea id="code" name="code"> # CoffeeScript mode for CodeMirror # Copyright (c) 2011 Jeff Pickhardt, released under # the MIT License. # # Modified from the Python CodeMirror mode, which also is # under the MIT License Copyright (c) 2010 Timothy Farrell. # # The following
|
||||
script, Underscore.coffee, is used to # demonstrate CoffeeScript mode for CodeMirror. # # To download CoffeeScript mode for CodeMirror, go to: # https://github.com/pickhardt/coffeescript-codemirror-mode # **Underscore.coffee # (c) 2011 Jeremy
|
||||
Ashkenas, DocumentCloud Inc.** # Underscore is freely distributable under the terms of the # [MIT license](http://en.wikipedia.org/wiki/MIT_License). # Portions of Underscore are inspired by or borrowed from # [Prototype.js](http://prototypejs.org/api),
|
||||
Oliver Steele's # [Functional](http://osteele.com), and John Resig's # [Micro-Templating](http://ejohn.org). # For all details and documentation: # http://documentcloud.github.com/underscore/ # Baseline setup # -------------- # Establish the
|
||||
root object, `window` in the browser, or `global` on the server. root = this # Save the previous value of the `_` variable. previousUnderscore = root._ ### Multiline comment ### # Establish the object that gets thrown to break out of a loop
|
||||
iteration. # `StopIteration` is SOP on Mozilla. breaker = if typeof(StopIteration) is 'undefined' then '__break__' else StopIteration #### Docco style single line comment (title) # Helper function to escape **RegExp** contents, because JS
|
||||
doesn't have one. escapeRegExp = (string) -> string.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1') # Save bytes in the minified (but not gzipped) version: ArrayProto = Array.prototype ObjProto = Object.prototype # Create quick reference variables
|
||||
for speed access to core prototypes. slice = ArrayProto.slice unshift = ArrayProto.unshift toString = ObjProto.toString hasOwnProperty = ObjProto.hasOwnProperty propertyIsEnumerable = ObjProto.propertyIsEnumerable # All **ECMA5** native implementations
|
||||
we hope to use are declared here. nativeForEach = ArrayProto.forEach nativeMap = ArrayProto.map nativeReduce = ArrayProto.reduce nativeReduceRight = ArrayProto.reduceRight nativeFilter = ArrayProto.filter nativeEvery = ArrayProto.every nativeSome
|
||||
= ArrayProto.some nativeIndexOf = ArrayProto.indexOf nativeLastIndexOf = ArrayProto.lastIndexOf nativeIsArray = Array.isArray nativeKeys = Object.keys # Create a safe reference to the Underscore object for use below. _ = (obj) -> new wrapper(obj)
|
||||
# Export the Underscore object for **CommonJS**. if typeof(exports) != 'undefined' then exports._ = _ # Export Underscore to global scope. root._ = _ # Current version. _.VERSION = '1.1.0' # Collection Functions # -------------------- # The
|
||||
cornerstone, an **each** implementation. # Handles objects implementing **forEach**, arrays, and raw objects. _.each = (obj, iterator, context) -> try if nativeForEach and obj.forEach is nativeForEach obj.forEach iterator, context else if
|
||||
_.isNumber obj.length iterator.call context, obj[i], i, obj for i in [0...obj.length] else iterator.call context, val, key, obj for own key, val of obj catch e throw e if e isnt breaker obj # Return the results of applying the iterator to
|
||||
each element. Use JavaScript # 1.6's version of **map**, if possible. _.map = (obj, iterator, context) -> return obj.map(iterator, context) if nativeMap and obj.map is nativeMap results = [] _.each obj, (value, index, list) -> results.push
|
||||
iterator.call context, value, index, list results # **Reduce** builds up a single result from a list of values. Also known as # **inject**, or **foldl**. Uses JavaScript 1.8's version of **reduce**, if possible. _.reduce = (obj, iterator,
|
||||
memo, context) -> if nativeReduce and obj.reduce is nativeReduce iterator = _.bind iterator, context if context return obj.reduce iterator, memo _.each obj, (value, index, list) -> memo = iterator.call context, memo, value, index, list memo
|
||||
# The right-associative version of **reduce**, also known as **foldr**. Uses # JavaScript 1.8's version of **reduceRight**, if available. _.reduceRight = (obj, iterator, memo, context) -> if nativeReduceRight and obj.reduceRight is nativeReduceRight
|
||||
iterator = _.bind iterator, context if context return obj.reduceRight iterator, memo reversed = _.clone(_.toArray(obj)).reverse() _.reduce reversed, iterator, memo, context # Return the first value which passes a truth test. _.detect = (obj,
|
||||
iterator, context) -> result = null _.each obj, (value, index, list) -> if iterator.call context, value, index, list result = value _.breakLoop() result # Return all the elements that pass a truth test. Use JavaScript 1.6's # **filter**, if
|
||||
it exists. _.filter = (obj, iterator, context) -> return obj.filter iterator, context if nativeFilter and obj.filter is nativeFilter results = [] _.each obj, (value, index, list) -> results.push value if iterator.call context, value, index,
|
||||
list results # Return all the elements for which a truth test fails. _.reject = (obj, iterator, context) -> results = [] _.each obj, (value, index, list) -> results.push value if not iterator.call context, value, index, list results # Determine
|
||||
whether all of the elements match a truth test. Delegate to # JavaScript 1.6's **every**, if it is present. _.every = (obj, iterator, context) -> iterator ||= _.identity return obj.every iterator, context if nativeEvery and obj.every is nativeEvery
|
||||
result = true _.each obj, (value, index, list) -> _.breakLoop() unless (result = result and iterator.call(context, value, index, list)) result # Determine if at least one element in the object matches a truth test. Use # JavaScript 1.6's **some**,
|
||||
if it exists. _.some = (obj, iterator, context) -> iterator ||= _.identity return obj.some iterator, context if nativeSome and obj.some is nativeSome result = false _.each obj, (value, index, list) -> _.breakLoop() if (result = iterator.call(context,
|
||||
value, index, list)) result # Determine if a given value is included in the array or object, # based on `===`. _.include = (obj, target) -> return _.indexOf(obj, target) isnt -1 if nativeIndexOf and obj.indexOf is nativeIndexOf return true
|
||||
for own key, val of obj when val is target false # Invoke a method with arguments on every item in a collection. _.invoke = (obj, method) -> args = _.rest arguments, 2 (if method then val[method] else val).apply(val, args) for val in obj #
|
||||
Convenience version of a common use case of **map**: fetching a property. _.pluck = (obj, key) -> _.map(obj, (val) -> val[key]) # Return the maximum item or (item-based computation). _.max = (obj, iterator, context) -> return Math.max.apply(Math,
|
||||
obj) if not iterator and _.isArray(obj) result = computed: -Infinity _.each obj, (value, index, list) -> computed = if iterator then iterator.call(context, value, index, list) else value computed >= result.computed and (result = {value: value,
|
||||
computed: computed}) result.value # Return the minimum element (or element-based computation). _.min = (obj, iterator, context) -> return Math.min.apply(Math, obj) if not iterator and _.isArray(obj) result = computed: Infinity _.each obj,
|
||||
(value, index, list) -> computed = if iterator then iterator.call(context, value, index, list) else value computed
|
||||
< result.computed and (result={ value: value, computed: computed}) result.value # Sort the object 's values by a criterion produced by an iterator.
|
||||
_.sortBy = (obj, iterator, context) ->
|
||||
_.pluck(((_.map obj, (value, index, list) ->
|
||||
{value: value, criteria: iterator.call(context, value, index, list)}
|
||||
).sort((left, right) ->
|
||||
a = left.criteria; b = right.criteria
|
||||
if a < b then -1 else if a > b then 1 else 0
|
||||
)), 'value ')
|
||||
|
||||
|
||||
# Use a comparator function to figure out at what index an object should
|
||||
# be inserted so as to maintain order. Uses binary search.
|
||||
_.sortedIndex = (array, obj, iterator) ->
|
||||
iterator ||= _.identity
|
||||
low = 0
|
||||
high = array.length
|
||||
while low < high
|
||||
mid = (low + high) >> 1
|
||||
if iterator(array[mid]) < iterator(obj) then low = mid + 1 else high = mid
|
||||
low
|
||||
|
||||
|
||||
# Convert anything iterable into a real, live array.
|
||||
_.toArray = (iterable) ->
|
||||
return [] if (!iterable)
|
||||
return iterable.toArray() if (iterable.toArray)
|
||||
return iterable if (_.isArray(iterable))
|
||||
return slice.call(iterable) if (_.isArguments(iterable))
|
||||
_.values(iterable)
|
||||
|
||||
|
||||
# Return the number of elements in an object.
|
||||
_.size = (obj) -> _.toArray(obj).length
|
||||
|
||||
|
||||
# Array Functions
|
||||
# ---------------
|
||||
|
||||
# Get the first element of an array. Passing `n` will return the first N
|
||||
# values in the array. Aliased as **head**. The `guard` check allows it to work
|
||||
# with **map**.
|
||||
_.first = (array, n, guard) ->
|
||||
if n and not guard then slice.call(array, 0, n) else array[0]
|
||||
|
||||
|
||||
# Returns everything but the first entry of the array. Aliased as **tail**.
|
||||
# Especially useful on the arguments object. Passing an `index` will return
|
||||
# the rest of the values in the array from that index onward. The `guard`
|
||||
# check allows it to work with **map**.
|
||||
_.rest = (array, index, guard) ->
|
||||
slice.call(array, if _.isUndefined(index) or guard then 1 else index)
|
||||
|
||||
|
||||
# Get the last element of an array.
|
||||
_.last = (array) -> array[array.length - 1]
|
||||
|
||||
|
||||
# Trim out all falsy values from an array.
|
||||
_.compact = (array) -> item for item in array when item
|
||||
|
||||
|
||||
# Return a completely flattened version of an array.
|
||||
_.flatten = (array) ->
|
||||
_.reduce array, (memo, value) ->
|
||||
return memo.concat(_.flatten(value)) if _.isArray value
|
||||
memo.push value
|
||||
memo
|
||||
, []
|
||||
|
||||
|
||||
# Return a version of the array that does not contain the specified value(s).
|
||||
_.without = (array) ->
|
||||
values = _.rest arguments
|
||||
val for val in _.toArray(array) when not _.include values, val
|
||||
|
||||
|
||||
# Produce a duplicate-free version of the array. If the array has already
|
||||
# been sorted, you have the option of using a faster algorithm.
|
||||
_.uniq = (array, isSorted) ->
|
||||
memo = []
|
||||
for el, i in _.toArray array
|
||||
memo.push el if i is 0 || (if isSorted is true then _.last(memo) isnt el else not _.include(memo, el))
|
||||
memo
|
||||
|
||||
|
||||
# Produce an array that contains every item shared between all the
|
||||
# passed-in arrays.
|
||||
_.intersect = (array) ->
|
||||
rest = _.rest arguments
|
||||
_.select _.uniq(array), (item) ->
|
||||
_.all rest, (other) ->
|
||||
_.indexOf(other, item) >= 0
|
||||
|
||||
|
||||
# Zip together multiple lists into a single array -- elements that share
|
||||
# an index go together.
|
||||
_.zip = ->
|
||||
length = _.max _.pluck arguments, 'length '
|
||||
results = new Array length
|
||||
for i in [0...length]
|
||||
results[i] = _.pluck arguments, String i
|
||||
results
|
||||
|
||||
|
||||
# If the browser doesn't supply us with **indexOf** (I 'm looking at you, MSIE),
|
||||
# we need this function. Return the position of the first occurrence of an
|
||||
# item in an array, or -1 if the item is not included in the array.
|
||||
_.indexOf = (array, item) ->
|
||||
return array.indexOf item if nativeIndexOf and array.indexOf is nativeIndexOf
|
||||
i = 0; l = array.length
|
||||
while l - i
|
||||
if array[i] is item then return i else i++
|
||||
-1
|
||||
|
||||
|
||||
# Provide JavaScript 1.6's **lastIndexOf**, delegating to the native function, # if possible. _.lastIndexOf=( array, item) -> return array.lastIndexOf(item) if nativeLastIndexOf and array.lastIndexOf is nativeLastIndexOf i = array.length while i if array[i] is item then return i else i-- -1 # Generate an integer Array containing an arithmetic progression. A port
|
||||
of # [the native Python **range** function](http://docs.python.org/library/functions.html#range). _.range = (start, stop, step) -> a = arguments solo = a.length
|
||||
<=1 i=s tart=i f solo then 0 else a[0] stop=i f solo then a[0] else a[1] step=a
|
||||
[2] or 1 len=M ath.ceil((stop - start) / step) return [] if len <=0 range=n ew Array len idx=0 loop return range if (if step> 0 then i - stop else stop - i) >= 0 range[idx] = i idx++ i+= step # Function Functions # ------------------ # Create a function bound to a given object (assigning `this`, and arguments, # optionally). Binding with arguments is also known
|
||||
as **curry**. _.bind = (func, obj) -> args = _.rest arguments, 2 -> func.apply obj or root, args.concat arguments # Bind all of an object's methods to that object. Useful for ensuring that # all callbacks defined on an object belong
|
||||
to it. _.bindAll = (obj) -> funcs = if arguments.length > 1 then _.rest(arguments) else _.functions(obj) _.each funcs, (f) -> obj[f] = _.bind obj[f], obj obj # Delays a function for the given number of milliseconds, and then calls
|
||||
# it with the arguments supplied. _.delay = (func, wait) -> args = _.rest arguments, 2 setTimeout((-> func.apply(func, args)), wait) # Memoize an expensive function by storing its results. _.memoize = (func, hasher) -> memo = {} hasher
|
||||
or= _.identity -> key = hasher.apply this, arguments return memo[key] if key of memo memo[key] = func.apply this, arguments # Defers a function, scheduling it to run after the current call stack has # cleared. _.defer = (func) -> _.delay.apply
|
||||
_, [func, 1].concat _.rest arguments # Returns the first function passed as an argument to the second, # allowing you to adjust arguments, run code before and after, and # conditionally execute the original function. _.wrap = (func,
|
||||
wrapper) -> -> wrapper.apply wrapper, [func].concat arguments # Returns a function that is the composition of a list of functions, each # consuming the return value of the function that follows. _.compose = -> funcs = arguments ->
|
||||
args = arguments for i in [funcs.length - 1..0] by -1 args = [funcs[i].apply(this, args)] args[0] # Object Functions # ---------------- # Retrieve the names of an object's properties. _.keys = nativeKeys or (obj) -> return _.range
|
||||
0, obj.length if _.isArray(obj) key for key, val of obj # Retrieve the values of an object's properties. _.values = (obj) -> _.map obj, _.identity # Return a sorted list of the function names available in Underscore. _.functions =
|
||||
(obj) -> _.filter(_.keys(obj), (key) -> _.isFunction(obj[key])).sort() # Extend a given object with all of the properties in a source object. _.extend = (obj) -> for source in _.rest(arguments) obj[key] = val for key, val of source
|
||||
obj # Create a (shallow-cloned) duplicate of an object. _.clone = (obj) -> return obj.slice 0 if _.isArray obj _.extend {}, obj # Invokes interceptor with the obj, and then returns obj. # The primary purpose of this method is to "tap
|
||||
into" a method chain, # in order to perform operations on intermediate results within the chain. _.tap = (obj, interceptor) -> interceptor obj obj # Perform a deep comparison to check if two objects are equal. _.isEqual = (a, b) ->
|
||||
# Check object identity. return true if a is b # Different types? atype = typeof(a); btype = typeof(b) return false if atype isnt btype # Basic equality test (watch out for coercions). return true if `a == b` # One is falsy and the
|
||||
other truthy. return false if (!a and b) or (a and !b) # One of them implements an `isEqual()`? return a.isEqual(b) if a.isEqual # Check dates' integer values. return a.getTime() is b.getTime() if _.isDate(a) and _.isDate(b) # Both
|
||||
are NaN? return false if _.isNaN(a) and _.isNaN(b) # Compare regular expressions. if _.isRegExp(a) and _.isRegExp(b) return a.source is b.source and a.global is b.global and a.ignoreCase is b.ignoreCase and a.multiline is b.multiline
|
||||
# If a is not an object by this point, we can't handle it. return false if atype isnt 'object' # Check for different array lengths before comparing contents. return false if a.length and (a.length isnt b.length) # Nothing else worked,
|
||||
deep compare the contents. aKeys = _.keys(a); bKeys = _.keys(b) # Different object sizes? return false if aKeys.length isnt bKeys.length # Recursive comparison of contents. return false for key, val of a when !(key of b) or !_.isEqual(val,
|
||||
b[key]) true # Is a given array or object empty? _.isEmpty = (obj) -> return obj.length is 0 if _.isArray(obj) or _.isString(obj) return false for own key of obj true # Is a given value a DOM element? _.isElement = (obj) -> obj and
|
||||
obj.nodeType is 1 # Is a given value an array? _.isArray = nativeIsArray or (obj) -> !!(obj and obj.concat and obj.unshift and not obj.callee) # Is a given variable an arguments object? _.isArguments = (obj) -> obj and obj.callee #
|
||||
Is the given value a function? _.isFunction = (obj) -> !!(obj and obj.constructor and obj.call and obj.apply) # Is the given value a string? _.isString = (obj) -> !!(obj is '' or (obj and obj.charCodeAt and obj.substr)) # Is a given
|
||||
value a number? _.isNumber = (obj) -> (obj is +obj) or toString.call(obj) is '[object Number]' # Is a given value a boolean? _.isBoolean = (obj) -> obj is true or obj is false # Is a given value a Date? _.isDate = (obj) -> !!(obj and
|
||||
obj.getTimezoneOffset and obj.setUTCFullYear) # Is the given value a regular expression? _.isRegExp = (obj) -> !!(obj and obj.exec and (obj.ignoreCase or obj.ignoreCase is false)) # Is the given value NaN -- this one is interesting.
|
||||
`NaN != NaN`, and # `isNaN(undefined) == true`, so we make sure it's a number first. _.isNaN = (obj) -> _.isNumber(obj) and window.isNaN(obj) # Is a given value equal to null? _.isNull = (obj) -> obj is null # Is a given variable undefined?
|
||||
_.isUndefined = (obj) -> typeof obj is 'undefined' # Utility Functions # ----------------- # Run Underscore.js in noConflict mode, returning the `_` variable to its # previous owner. Returns a reference to the Underscore object. _.noConflict
|
||||
= -> root._ = previousUnderscore this # Keep the identity function around for default iterators. _.identity = (value) -> value # Run a function `n` times. _.times = (n, iterator, context) -> iterator.call context, i for i in [0...n]
|
||||
# Break out of the middle of an iteration. _.breakLoop = -> throw breaker # Add your own custom functions to the Underscore object, ensuring that # they're correctly added to the OOP wrapper as well. _.mixin = (obj) -> for name in
|
||||
_.functions(obj) addToWrapper name, _[name] = obj[name] # Generate a unique integer id (unique within the entire client session). # Useful for temporary DOM ids. idCounter = 0 _.uniqueId = (prefix) -> (prefix or '') + idCounter++ #
|
||||
By default, Underscore uses **ERB**-style template delimiters, change the # following template settings to use alternative delimiters. _.templateSettings = { start: '
|
||||
<%'
|
||||
end: '%>' interpolate: /
|
||||
<%=(.+?)%>/g } # JavaScript templating a-la **ERB**, pilfered from John Resig's # *Secrets of the JavaScript Ninja*, page 83. # Single-quote fix from Rick Strahl. # With alterations for arbitrary delimiters, and to preserve whitespace. _.template
|
||||
= (str, data) -> c = _.templateSettings endMatch = new RegExp("'(?=[^"+c.end.substr(0, 1)+"]*"+escapeRegExp(c.end)+")","g") fn = new Function 'obj', 'var p=[],print=function(){p.push.apply(p,arguments);};' + 'with(obj||{}){p.push(\''
|
||||
+ str.replace(/\r/g, '\\r') .replace(/\n/g, '\\n') .replace(/\t/g, '\\t') .replace(endMatch,"<22><><EFBFBD>") .split("'").join("\\'") .split("<22><><EFBFBD>").join("'") .replace(c.interpolate, "',$1,'") .split(c.start).join("');") .split(c.end).join("p.push('")
|
||||
+ "');}return p.join('');" if data then fn(data) else fn # Aliases # ------- _.forEach = _.each _.foldl = _.inject = _.reduce _.foldr = _.reduceRight _.select = _.filter _.all = _.every _.any = _.some _.contains = _.include
|
||||
_.head = _.first _.tail = _.rest _.methods = _.functions # Setup the OOP Wrapper # --------------------- # If Underscore is called as a function, it returns a wrapped object that # can be used OO-style. This wrapper holds altered
|
||||
versions of all the # underscore functions. Wrapped objects may be chained. wrapper = (obj) -> this._wrapped = obj this # Helper function to continue chaining intermediate results. result = (obj, chain) -> if chain then _(obj).chain()
|
||||
else obj # A method to easily add functions to the OOP wrapper. addToWrapper = (name, func) -> wrapper.prototype[name] = -> args = _.toArray arguments unshift.call args, this._wrapped result func.apply(_, args), this._chain
|
||||
# Add all ofthe Underscore functions to the wrapper object. _.mixin _ # Add all mutator Array functions to the wrapper. _.each ['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], (name) -> method = Array.prototype[name]
|
||||
wrapper.prototype[name] = -> method.apply(this._wrapped, arguments) result(this._wrapped, this._chain) # Add all accessor Array functions to the wrapper. _.each ['concat', 'join', 'slice'], (name) -> method = Array.prototype[name]
|
||||
wrapper.prototype[name] = -> result(method.apply(this._wrapped, arguments), this._chain) # Start chaining a wrapped Underscore object. wrapper::chain = -> this._chain = true this # Extracts the result from a wrapped and chained
|
||||
object. wrapper::value = -> this._wrapped </textarea>
|
||||
</form>
|
||||
<script>
|
||||
var editor = CodeMirror.fromTextArea(document.getElementById("code"),
|
||||
{});
|
||||
</script>
|
||||
<p>
|
||||
<strong>MIME types defined:</strong> <code>text/x-coffeescript</code>.</p>
|
||||
<p>The CoffeeScript mode was written by Jeff Pickhardt.</p>
|
||||
</article>
|
||||
Loading…
Add table
Add a link
Reference in a new issue