Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-02-11 19:37:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Reorganize build.js modifications and remove compilation from the lodash modern build.

Browse Source 
Former-commit-id: af5d0500be9e11d108bf941604ce2316cbd8c4b5
This commit is contained in:
John-David Dalton
2013-04-13 11:12:01 -07:00
parent 6b920fa5e6
commit 540851ab6a
3 changed files with 330 additions and 402 deletions
Download Patch File Download Diff File Expand all files Collapse all files

260
dist/lodash.js vendored
View File

@@ -349,92 +349,6 @@
/*--------------------------------------------------------------------------*/
/**
* The template used to create iterator functions.
*
* @private
* @param {Object} data The data object used to populate the text.
* @returns {String} Returns the interpolated text.
*/
var iteratorTemplate = function(obj) {
var __p = 'var index, iterable = ' +
(obj.firstArg) +
', result = ' +
(obj.init) +
';\nif (!iterable) return result;\n' +
(obj.top) +
';\n';
if (obj.arrays) {
__p += 'var length = iterable.length; index = -1;\nif (' +
(obj.arrays) +
') {\n while (++index < length) {\n ' +
(obj.loop) +
'\n }\n}\nelse { ';
}
if (obj.useHas && obj.useKeys) {
__p += '\n var ownIndex = -1,\n ownProps = objectTypes[typeof iterable] ? keys(iterable) : [],\n length = ownProps.length;\n\n while (++ownIndex < length) {\n index = ownProps[ownIndex];\n ' +
(obj.loop) +
'\n } ';
} else {
__p += '\n for (index in iterable) {';
if (obj.useHas) {
__p += '\n if (';
if (obj.useHas) {
__p += 'hasOwnProperty.call(iterable, index)';
}
__p += ') { ';
}
__p +=
(obj.loop) +
'; ';
if (obj.useHas) {
__p += '\n }';
}
__p += '\n } ';
}
if (obj.arrays) {
__p += '\n}';
}
__p +=
(obj.bottom) +
';\nreturn result';
return __p
};
/** 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 : lodash.createCallback(callback, thisArg)",
'arrays': false,
'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
};
/*--------------------------------------------------------------------------*/
/**
* Creates a function optimized to search large arrays for a given `value`,
* starting at `fromIndex`, using strict equality for comparisons, i.e. `===`.
@@ -567,54 +481,6 @@
return bound;
}
/**
* 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.
* useKeys - A boolean to specify using `_.keys` for own property iteration.
* 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 = {
// iterator options
'arrays': 'isArray(iterable)',
'bottom': '',
'init': 'iterable',
'loop': '',
'top': '',
'useHas': true,
'useKeys': !!keys
};
// 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(
'hasOwnProperty, isArguments, isArray, isString, keys, ' +
'lodash, objectTypes',
'return function(' + args + ') {\n' + iteratorTemplate(data) + '\n}'
);
// return the compiled function
return factory(
hasOwnProperty, isArguments, isArray, isString, keys,
lodash, objectTypes
);
}
/**
* Used by `template` to escape characters for inclusion in compiled
* string literals.
@@ -783,13 +649,18 @@
* @param {Object} object The object to inspect.
* @returns {Array} Returns a new array of property names.
*/
var shimKeys = createIterator({
'args': 'object',
'init': '[]',
'top': 'if (!(objectTypes[typeof object])) return result',
'loop': 'result.push(index)',
'arrays': false
});
var shimKeys = function (object) {
var index, iterable = object, result = [];
if (!iterable) return result;
if (!(objectTypes[typeof object])) return result;
for (index in iterable) {
if (hasOwnProperty.call(iterable, index)) {
result.push(index);
}
}
return result
};
/**
* Creates an array composed of the own enumerable property names of `object`.
@@ -862,18 +733,40 @@
* defaults(food, { 'name': 'banana', 'type': 'fruit' });
* // => { 'name': 'apple', 'type': 'fruit' }
*/
var assign = createIterator(defaultsIteratorOptions, {
'top':
defaultsIteratorOptions.top.replace(';',
';\n' +
"if (argsLength > 3 && typeof args[argsLength - 2] == 'function') {\n" +
' var callback = lodash.createCallback(args[--argsLength - 1], args[argsLength--], 2);\n' +
"} else if (argsLength > 2 && typeof args[argsLength - 1] == 'function') {\n" +
' callback = args[--argsLength];\n' +
'}'
),
'loop': 'result[index] = callback ? callback(result[index], iterable[index]) : iterable[index]'
});
var assign = function (object, source, guard) {
var index, iterable = object, result = iterable;
if (!iterable) return result;
var args = arguments,
argsIndex = 0,
argsLength = typeof guard == 'number' ? 2 : args.length;
if (argsLength > 3 && typeof args[argsLength - 2] == 'function') {
var callback = lodash.createCallback(args[--argsLength - 1], args[argsLength--], 2);
} else if (argsLength > 2 && typeof args[argsLength - 1] == 'function') {
callback = args[--argsLength];
}
while (++argsIndex < argsLength) {
iterable = args[argsIndex];
if (iterable && objectTypes[typeof iterable]) {;
var length = iterable.length; index = -1;
if (isArray(iterable)) {
while (++index < length) {
result[index] = callback ? callback(result[index], iterable[index]) : iterable[index]
}
}
else {
var ownIndex = -1,
ownProps = objectTypes[typeof iterable] ? keys(iterable) : [],
length = ownProps.length;
while (++ownIndex < length) {
index = ownProps[ownIndex];
result[index] = callback ? callback(result[index], iterable[index]) : iterable[index]
}
}
}
};
return result
};
/**
* Creates a clone of `value`. If `deep` is `true`, nested objects will also
@@ -1066,7 +959,35 @@
* _.defaults(food, { 'name': 'banana', 'type': 'fruit' });
* // => { 'name': 'apple', 'type': 'fruit' }
*/
var defaults = createIterator(defaultsIteratorOptions);
var defaults = function (object, source, guard) {
var index, iterable = object, result = iterable;
if (!iterable) return result;
var args = arguments,
argsIndex = 0,
argsLength = typeof guard == 'number' ? 2 : args.length;
while (++argsIndex < argsLength) {
iterable = args[argsIndex];
if (iterable && objectTypes[typeof iterable]) {;
var length = iterable.length; index = -1;
if (isArray(iterable)) {
while (++index < length) {
if (typeof result[index] == 'undefined') result[index] = iterable[index]
}
}
else {
var ownIndex = -1,
ownProps = objectTypes[typeof iterable] ? keys(iterable) : [],
length = ownProps.length;
while (++ownIndex < length) {
index = ownProps[ownIndex];
if (typeof result[index] == 'undefined') result[index] = iterable[index]
}
}
}
};
return result
};
/**
* This method is similar to `_.find`, except that it returns the key of the
@@ -1129,9 +1050,17 @@
* });
* // => alerts 'name' and 'bark' (order is not guaranteed)
*/
var forIn = createIterator(eachIteratorOptions, forOwnIteratorOptions, {
'useHas': false
});
var forIn = function (collection, callback, thisArg) {
var index, iterable = collection, result = iterable;
if (!iterable) return result;
if (!objectTypes[typeof iterable]) return result;
callback = callback && typeof thisArg == 'undefined' ? callback : lodash.createCallback(callback, thisArg);
for (index in iterable) {
if (callback(iterable[index], index, collection) === false) return result;
}
return result
};
/**
* Iterates over an object's own enumerable properties, executing the `callback`
@@ -1154,7 +1083,22 @@
* });
* // => alerts '0', '1', and 'length' (order is not guaranteed)
*/
var forOwn = createIterator(eachIteratorOptions, forOwnIteratorOptions);
var forOwn = function (collection, callback, thisArg) {
var index, iterable = collection, result = iterable;
if (!iterable) return result;
if (!objectTypes[typeof iterable]) return result;
callback = callback && typeof thisArg == 'undefined' ? callback : lodash.createCallback(callback, thisArg);
var ownIndex = -1,
ownProps = objectTypes[typeof iterable] ? keys(iterable) : [],
length = ownProps.length;
while (++ownIndex < length) {
index = ownProps[ownIndex];
if (callback(iterable[index], index, collection) === false) return result
}
return result
};
/**
* Creates a sorted array of all enumerable properties, own and inherited,