More comment cleanup. [ci skip]

This commit is contained in:
John-David Dalton
2014-11-16 08:45:36 +01:00
parent 6b72adbeee
commit 0d87b7d720
8 changed files with 232 additions and 247 deletions

157
lodash.js
View File

@@ -8,13 +8,13 @@
*/
;(function() {
/** Used as a safe reference for `undefined` in pre ES5 environments */
/** Used as a safe reference for `undefined` in pre ES5 environments. */
var undefined;
/** Used as the semantic version number */
/** Used as the semantic version number. */
var VERSION = '3.0.0-pre';
/** Used to compose bitmasks for wrapper metadata */
/** Used to compose bitmasks for wrapper metadata. */
var BIND_FLAG = 1,
BIND_KEY_FLAG = 2,
CURRY_FLAG = 4,
@@ -24,38 +24,38 @@
PARTIAL_RIGHT_FLAG = 64,
REARG_FLAG = 128;
/** Used as default options for `_.trunc` */
/** Used as default options for `_.trunc`. */
var DEFAULT_TRUNC_LENGTH = 30,
DEFAULT_TRUNC_OMISSION = '...';
/** Used to detect when a function becomes hot */
/** Used to detect when a function becomes hot. */
var HOT_COUNT = 150,
HOT_SPAN = 16;
/** Used to indicate the type of lazy iteratees */
/** Used to indicate the type of lazy iteratees. */
var LAZY_FILTER_FLAG = 0,
LAZY_MAP_FLAG = 1,
LAZY_WHILE_FLAG = 2;
/** Used as the `TypeError` message for "Functions" methods */
/** Used as the `TypeError` message for "Functions" methods. */
var FUNC_ERROR_TEXT = 'Expected a function';
/** Used as the internal argument placeholder */
/** Used as the internal argument placeholder. */
var PLACEHOLDER = '__lodash_placeholder__';
/** Used to generate unique IDs */
/** Used to generate unique IDs. */
var idCounter = 0;
/** Used to match empty string literals in compiled template source */
/** Used to match empty string literals in compiled template source. */
var reEmptyStringLeading = /\b__p \+= '';/g,
reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
/** Used to match HTML entities and HTML characters */
/** Used to match HTML entities and HTML characters. */
var reEscapedHtml = /&(?:amp|lt|gt|quot|#39|#96);/g,
reUnescapedHtml = /[&<>"'`]/g;
/** Used to match template delimiters */
/** Used to match template delimiters. */
var reEscape = /<%-([\s\S]+?)%>/g,
reEvaluate = /<%([\s\S]+?)%>/g,
reInterpolate = /<%=([\s\S]+?)%>/g;
@@ -67,22 +67,22 @@
*/
var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
/** Used to match `RegExp` flags from their coerced string values */
/** Used to match `RegExp` flags from their coerced string values. */
var reFlags = /\w*$/;
/** Used to detect named functions */
/** Used to detect named functions. */
var reFuncName = /^\s*function[ \n\r\t]+\w/;
/** Used to detect hexadecimal string values */
/** Used to detect hexadecimal string values. */
var reHexPrefix = /^0[xX]/;
/** Used to detect host constructors (Safari > 5) */
/** Used to detect host constructors (Safari > 5). */
var reHostCtor = /^\[object .+?Constructor\]$/;
/** Used to match latin-1 supplement letters (excluding mathematical operators) */
/** Used to match latin-1 supplement letters (excluding mathematical operators). */
var reLatin1 = /[\xc0-\xd6\xd8-\xde\xdf-\xf6\xf8-\xff]/g;
/** Used to ensure capturing order of template delimiters */
/** Used to ensure capturing order of template delimiters. */
var reNoMatch = /($^)/;
/**
@@ -92,13 +92,13 @@
*/
var reRegExpChars = /[.*+?^${}()|[\]\/\\]/g;
/** Used to detect functions containing a `this` reference */
/** Used to detect functions containing a `this` reference. */
var reThis = /\bthis\b/;
/** Used to match unescaped characters in compiled string literals */
/** Used to match unescaped characters in compiled string literals. */
var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
/** Used to match words to create compound words */
/** Used to match words to create compound words. */
var reWords = (function() {
var upper = '[A-Z\\xc0-\\xd6\\xd8-\\xde]',
lower = '[a-z\\xdf-\\xf6\\xf8-\\xff]+';
@@ -106,19 +106,19 @@
return RegExp(upper + '{2,}(?=' + upper + lower + ')|' + upper + '?' + lower + '|' + upper + '+|[0-9]+', 'g');
}());
/** Used to detect and test whitespace */
/** Used to detect and test for whitespace. */
var whitespace = (
// whitespace
// Basic whitespace characters.
' \t\x0b\f\xa0\ufeff' +
// line terminators
// Line terminators.
'\n\r\u2028\u2029' +
// unicode category "Zs" space separators
// Unicode category "Zs" space separators.
'\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
);
/** Used to assign default `context` object properties */
/** Used to assign default `context` object properties. */
var contextProps = [
'Array', 'ArrayBuffer', 'Date', 'Error', 'Float32Array', 'Float64Array',
'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Math', 'Number',
@@ -128,16 +128,16 @@
'window', 'WinRTError'
];
/** Used to fix the JScript `[[DontEnum]]` bug */
/** Used to fix the JScript `[[DontEnum]]` bug. */
var shadowedProps = [
'constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable',
'toLocaleString', 'toString', 'valueOf'
];
/** Used to make template sourceURLs easier to identify */
/** Used to make template sourceURLs easier to identify. */
var templateCounter = -1;
/** `Object#toString` result references */
/** `Object#toString` result references. */
var argsClass = '[object Arguments]',
arrayClass = '[object Array]',
boolClass = '[object Boolean]',
@@ -163,7 +163,7 @@
uint16Class = '[object Uint16Array]',
uint32Class = '[object Uint32Array]';
/** Used to identify object classifications that are treated like arrays */
/** Used to identify object classifications that are treated like arrays. */
var arrayLikeClasses = {};
arrayLikeClasses[argsClass] =
arrayLikeClasses[arrayClass] = arrayLikeClasses[float32Class] =
@@ -178,7 +178,7 @@
arrayLikeClasses[regexpClass] = arrayLikeClasses[setClass] =
arrayLikeClasses[stringClass] = arrayLikeClasses[weakMapClass] = false;
/** Used to identify object classifications that `_.clone` supports */
/** Used to identify object classifications that `_.clone` supports. */
var cloneableClasses = {};
cloneableClasses[argsClass] = cloneableClasses[arrayClass] =
cloneableClasses[arrayBufferClass] = cloneableClasses[boolClass] =
@@ -193,14 +193,14 @@
cloneableClasses[funcClass] = cloneableClasses[mapClass] =
cloneableClasses[setClass] = cloneableClasses[weakMapClass] = false;
/** Used as an internal `_.debounce` options object by `_.throttle` */
/** Used as an internal `_.debounce` options object by `_.throttle`. */
var debounceOptions = {
'leading': false,
'maxWait': 0,
'trailing': false
};
/** Used to map latin-1 supplementary letters to basic latin letters */
/** Used to map latin-1 supplementary letters to basic latin letters. */
var deburredLetters = {
'\xc0': 'A', '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
'\xe0': 'a', '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
@@ -221,20 +221,7 @@
'\xdf': 'ss'
};
/**
* Used to map characters to HTML entities.
*
* **Note:** Though the ">" character is escaped for symmetry, characters like
* ">" and "/" don't require escaping in HTML and have no special meaning
* unless they're part of a tag or unquoted attribute value.
* See [Mathias Bynens's article](http://mathiasbynens.be/notes/ambiguous-ampersands)
* (under "semi-related fun fact") for more details.
*
* Backticks are escaped because in Internet Explorer < 9, they can break out
* of attribute values or HTML comments. See [#102](http://html5sec.org/#102),
* [#108](http://html5sec.org/#108), and [#133](http://html5sec.org/#133) of
* the [HTML5 Security Cheatsheet](http://html5sec.org/) for more details.
*/
/** Used to map characters to HTML entities. */
var htmlEscapes = {
'&': '&amp;',
'<': '&lt;',
@@ -244,7 +231,7 @@
'`': '&#96;'
};
/** Used to map HTML entities to characters */
/** Used to map HTML entities to characters. */
var htmlUnescapes = {
'&amp;': '&',
'&lt;': '<',
@@ -254,13 +241,13 @@
'&#96;': '`'
};
/** Used to determine if values are of the language type `Object` */
/** Used to determine if values are of the language type `Object`. */
var objectTypes = {
'function': true,
'object': true
};
/** Used to escape characters for inclusion in compiled string literals */
/** Used to escape characters for inclusion in compiled string literals. */
var stringEscapes = {
'\\': '\\',
"'": "'",
@@ -278,19 +265,19 @@
*/
var root = (objectTypes[typeof window] && window !== (this && this.window)) ? window : this;
/** Detect free variable `exports` */
/** Detect free variable `exports`. */
var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
/** Detect free variable `module` */
/** Detect free variable `module`. */
var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;
/** Detect free variable `global` from Node.js or Browserified code and use it as `root` */
/** Detect free variable `global` from Node.js or Browserified code and use it as `root`. */
var freeGlobal = freeExports && freeModule && typeof global == 'object' && global;
if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal || freeGlobal.self === freeGlobal)) {
root = freeGlobal;
}
/** Detect the popular CommonJS extension `module.exports` */
/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports && freeExports;
/*--------------------------------------------------------------------------*/
@@ -586,7 +573,7 @@
}
/**
* Used by `_.sortBy` to compare transformed elements of `collection` and stable
* Used by `_.sortBy` to compare transformed elements of a collection and stable
* sort them in ascending order.
*
* @private
@@ -861,7 +848,7 @@
// See http://es5.github.io/#x11.1.5.
context = context ? _.defaults(root.Object(), context, _.pick(root, contextProps)) : root;
/** Native constructor references */
/** Native constructor references. */
var Array = context.Array,
Date = context.Date,
Error = context.Error,
@@ -873,34 +860,34 @@
String = context.String,
TypeError = context.TypeError;
/** Used for native method references */
/** Used for native method references. */
var arrayProto = Array.prototype,
errorProto = Error.prototype,
objectProto = Object.prototype,
stringProto = String.prototype;
/** Used to detect DOM support */
/** Used to detect DOM support. */
var document = (document = context.window) && document.document;
/** Used to resolve the decompiled source of functions */
/** Used to resolve the decompiled source of functions. */
var fnToString = Function.prototype.toString;
/** Used to check objects for own properties */
/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;
/** Used to restore the original `_` reference in `_.noConflict` */
/** Used to restore the original `_` reference in `_.noConflict`. */
var oldDash = context._;
/** Used to resolve the internal `[[Class]]` of values */
/** Used to resolve the internal `[[Class]]` of values. */
var toString = objectProto.toString;
/** Used to detect if a method is native */
/** Used to detect if a method is native. */
var reNative = RegExp('^' +
escapeRegExp(toString)
.replace(/toString|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);
/** Native method references */
/** Native method references. */
var ArrayBuffer = isNative(ArrayBuffer = context.ArrayBuffer) && ArrayBuffer,
bufferSlice = isNative(bufferSlice = ArrayBuffer && new ArrayBuffer(0).slice) && bufferSlice,
ceil = Math.ceil,
@@ -916,7 +903,7 @@
unshift = arrayProto.unshift,
WeakMap = isNative(WeakMap = context.WeakMap) && WeakMap;
/** Used to clone array buffers */
/** Used to clone array buffers. */
var Float64Array = (function() {
// Safari 5 errors when using an array buffer to initialize a typed array
// where the array buffer's `byteLength` is not a multiple of the typed
@@ -928,7 +915,7 @@
return result;
}());
/* Native method references for those with the same name as other `lodash` methods */
/* Native method references for those with the same name as other `lodash` methods. */
var nativeCreate = isNative(nativeCreate = Object.create) && nativeCreate,
nativeIsArray = isNative(nativeIsArray = Array.isArray) && nativeIsArray,
nativeIsFinite = context.isFinite,
@@ -940,15 +927,15 @@
nativeParseInt = context.parseInt,
nativeRandom = Math.random;
/** Used as references for `-Infinity` and `Infinity` */
/** Used as references for `-Infinity` and `Infinity`. */
var NEGATIVE_INFINITY = Number.NEGATIVE_INFINITY,
POSITIVE_INFINITY = Number.POSITIVE_INFINITY;
/** Used as references for the max length and index of an array */
/** Used as references for the max length and index of an array. */
var MAX_ARRAY_LENGTH = Math.pow(2, 32) - 1,
MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1;
/** Used as the size, in bytes, of each Float64Array element */
/** Used as the size, in bytes, of each Float64Array element. */
var FLOAT64_BYTES_PER_ELEMENT = Float64Array ? Float64Array.BYTES_PER_ELEMENT : 0;
/**
@@ -958,10 +945,10 @@
*/
var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
/** Used to store function metadata */
/** Used to store function metadata. */
var metaMap = WeakMap && new WeakMap;
/** Used to lookup a built-in constructor by `[[Class]]` */
/** Used to lookup a built-in constructor by `[[Class]]`. */
var ctorByClass = {};
ctorByClass[float32Class] = context.Float32Array;
ctorByClass[float64Class] = context.Float64Array;
@@ -973,7 +960,7 @@
ctorByClass[uint16Class] = context.Uint16Array;
ctorByClass[uint32Class] = context.Uint32Array;
/** Used to avoid iterating over non-enumerable properties in IE < 9 */
/** Used to avoid iterating over non-enumerable properties in IE < 9. */
var nonEnumProps = {};
nonEnumProps[arrayClass] = nonEnumProps[dateClass] = nonEnumProps[numberClass] = { 'constructor': true, 'toLocaleString': true, 'toString': true, 'valueOf': true };
nonEnumProps[boolClass] = nonEnumProps[stringClass] = { 'constructor': true, 'toString': true, 'valueOf': true };
@@ -1677,8 +1664,7 @@
}
/**
* The base implementation of `_.callback` without support for creating
* "_.pluck" and "_.where" style callbacks.
* The base implementation of `_.callback`.
*
* @private
* @param {*} [func=_.identity] The value to convert to a callback.
@@ -2482,7 +2468,7 @@
/**
* The base implementation of `_.reduce` and `_.reduceRight` without support
* for callback shorthands or `this` binding, which iterates over `collection`
* usingthe provided `eachFunc`.
* using the provided `eachFunc`.
*
* @private
* @param {Array|Object|string} collection The collection to iterate over.
@@ -2920,6 +2906,8 @@
key = func;
function wrapper() {
// Avoid `arguments` object use disqualifying optimizations by
// converting it to an array before providing it to other functions.
var length = arguments.length,
index = length,
args = Array(length);
@@ -2994,7 +2982,7 @@
/**
* Creates a function that wraps `func` and invokes it with the optional `this`
* binding of `thisArg` and the `partialArgs` prepended to those provided to
* binding of `thisArg` and the `partials` prepended to those provided to
* the wrapper.
*
* @private
@@ -3010,7 +2998,7 @@
function wrapper() {
// Avoid `arguments` object use disqualifying optimizations by
// converting it to an array before providing it to `composeArgs`.
// converting it to an array before providing it `func`.
var argsIndex = -1,
argsLength = arguments.length,
leftIndex = -1,
@@ -3046,7 +3034,7 @@
* 128 - `_.rearg`
* @param {*} [thisArg] The `this` binding of `func`.
* @param {Array} [partials] The arguments to be partially applied.
* @param {Array} [holders] The `partialArgs` placeholder indexes.
* @param {Array} [holders] The `partials` placeholder indexes.
* @param {Array} [argPos] The argument positions of the new function.
* @param {number} [arity] The arity of `func`.
* @returns {Function} Returns the new wrapped function.
@@ -3342,7 +3330,7 @@
}
/**
* Checks if `value` is valid array-like length.
* Checks if `value` is a valid array-like length.
*
* @private
* @param {*} value The value to check.
@@ -8564,6 +8552,17 @@
* **Note:** No other characters are escaped. To escape additional characters
* use a third-party library like [_he_](http://mths.be/he).
*
* Though the ">" character is escaped for symmetry, characters like
* ">" and "/" don't require escaping in HTML and have no special meaning
* unless they're part of a tag or unquoted attribute value.
* See [Mathias Bynens's article](http://mathiasbynens.be/notes/ambiguous-ampersands)
* (under "semi-related fun fact") for more details.
*
* Backticks are escaped because in Internet Explorer < 9, they can break out
* of attribute values or HTML comments. See [#102](http://html5sec.org/#102),
* [#108](http://html5sec.org/#108), and [#133](http://html5sec.org/#133) of
* the [HTML5 Security Cheatsheet](http://html5sec.org/) for more details.
*
* When working with HTML you should always quote attribute values to reduce
* XSS vectors. See [Ryan Grove's article](http://wonko.com/post/html-escaping)
* for more details.