Fix lodash underscore build.

Former-commit-id: 017208b28865b10b068ba4ae5e4a7baa9c01a80f
This commit is contained in:
John-David Dalton
2013-02-22 03:26:49 -08:00
parent e5433adf78
commit 1ad2c92324
4 changed files with 101 additions and 142 deletions

View File

@@ -246,36 +246,6 @@
/*--------------------------------------------------------------------------*/
/** Reusable iterator options for `assign` and `defaults` */
var defaultsIteratorOptions = {
'args': 'object, source, guard',
'top':
'var args = arguments,\n' +
' argsIndex = 0,\n' +
" argsLength = typeof guard == 'number' ? 2 : args.length;\n" +
'while (++argsIndex < argsLength) {\n' +
' iterable = args[argsIndex];\n' +
' if (iterable && objectTypes[typeof iterable]) {',
'loop': "if (typeof result[index] == 'undefined') result[index] = iterable[index]",
'bottom': ' }\n}'
};
/** Reusable iterator options shared by `each`, `forIn`, and `forOwn` */
var eachIteratorOptions = {
'args': 'collection, callback, thisArg',
'top': "callback = callback && typeof thisArg == 'undefined' ? callback : createCallback(callback, thisArg)",
'arrays': "typeof length == 'number'",
'loop': 'if (callback(iterable[index], index, collection) === false) return result'
};
/** Reusable iterator options for `forIn` and `forOwn` */
var forOwnIteratorOptions = {
'top': 'if (!objectTypes[typeof iterable]) return result;\n' + eachIteratorOptions.top,
'arrays': false
};
/*--------------------------------------------------------------------------*/
/**
* Used by `_.max` and `_.min` as the default `callback` when a given
* `collection` is a string value.
@@ -430,54 +400,6 @@
return func;
}
/**
* Creates compiled iteration functions.
*
* @private
* @param {Object} [options1, options2, ...] The compile options object(s).
* arrays - A string of code to determine if the iterable is an array or array-like.
* useHas - A boolean to specify using `hasOwnProperty` checks in the object loop.
* args - A string of comma separated arguments the iteration function will accept.
* top - A string of code to execute before the iteration branches.
* loop - A string of code to execute in the object loop.
* bottom - A string of code to execute after the iteration branches.
*
* @returns {Function} Returns the compiled function.
*/
function createIterator() {
var data = {
// support properties
// iterator options
'arrays': 'isArray(iterable)',
'bottom': '',
'loop': '',
'top': '',
'useHas': true
};
// merge options into a template data object
for (var object, index = 0; object = arguments[index]; index++) {
for (var key in object) {
data[key] = object[key];
}
}
var args = data.args;
data.firstArg = /^[^,]+/.exec(args)[0];
// create the function factory
var factory = Function(
'createCallback, hasOwnProperty, isArguments, isArray, isString, ' +
'objectTypes, nativeKeys',
'return function(' + args + ') {\n' + (data) + '\n}'
);
// return the compiled function
return factory(
createCallback, hasOwnProperty, isArguments, isArray, isString,
objectTypes, nativeKeys
);
}
/**
* A function compiled to iterate `arguments` objects, arrays, objects, and
* strings consistenly across environments, executing the `callback` for each
@@ -492,7 +414,24 @@
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array|Object|String} Returns `collection`.
*/
var each = createIterator(eachIteratorOptions);
var each = function (collection, callback, thisArg) {
var index, iterable = collection, result = iterable;
if (!iterable) return result;
callback = callback && typeof thisArg == 'undefined' ? callback : createCallback(callback, thisArg);
var length = iterable.length; index = -1;
if (typeof length == 'number') {
while (++index < length) {
if (callback(iterable[index], index, collection) === indicatorObject) return result
}
}
else {
for (index in iterable) {
if (hasOwnProperty.call(iterable, index)) {
if (callback(iterable[index], index, collection) === indicatorObject) return result;
}
}
}
};
/**
* Used by `template` to escape characters for inclusion in compiled
@@ -635,9 +574,17 @@
* });
* // => alerts 'name' and 'bark' (order is not guaranteed)
*/
var forIn = createIterator(eachIteratorOptions, forOwnIteratorOptions, {
'useHas': false
});
var forIn = function (collection, callback) {
var index, iterable = collection, result = iterable;
if (!iterable) return result;
if (!objectTypes[typeof iterable]) return result;
callback || (callback = identity);
for (index in iterable) {
if (callback(iterable[index], index, collection) === indicatorObject) return result;
}
return result
};
/**
* Iterates over an object's own enumerable properties, executing the `callback`
@@ -660,7 +607,19 @@
* });
* // => alerts '0', '1', and 'length' (order is not guaranteed)
*/
var forOwn = createIterator(eachIteratorOptions, forOwnIteratorOptions);
var forOwn = function (collection, callback) {
var index, iterable = collection, result = iterable;
if (!iterable) return result;
if (!objectTypes[typeof iterable]) return result;
callback || (callback = identity);
for (index in iterable) {
if (hasOwnProperty.call(iterable, index)) {
if (callback(iterable[index], index, collection) === indicatorObject) return result;
}
}
return result
};
/**
* Checks if `value` is an array.
@@ -1796,10 +1755,10 @@
return result;
}
function findWhere(object, properties) {
return where(object, properties, true);
}
function findWhere(object, properties) {
return where(object, properties, true);
}
/**
* Iterates over a `collection`, executing the `callback` for each element in
* the `collection`. The `callback` is bound to `thisArg` and invoked with three
@@ -3752,13 +3711,13 @@ function findWhere(object, properties) {
lodash.prototype[methodName] = function() {
var args = [this.__wrapped__];
push.apply(args, arguments);
var result = func.apply(lodash, args);
if (this.__chain__) {
result = new lodash(result);
result.__chain__ = true;
}
return result;
var result = func.apply(lodash, args);
if (this.__chain__) {
result = new lodash(result);
result.__chain__ = true;
}
return result;
};
});
}