@nullcc/diff2html-cli
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Fast Diff to colorized HTML
177 lines (109 loc) • 2.91 kB
JavaScript
/*!
* @name JavaScript/NodeJS Merge v1.2.1
* @author yeikos
* @repository https://github.com/yeikos/js.merge
* Copyright 2014 yeikos - MIT license
* https://raw.github.com/yeikos/js.merge/master/LICENSE
*/
;(function(isNode) {
/**
* Merge one or more objects
* @param bool? clone
* @param mixed,... arguments
* @return object
*/
var Public = function(clone) {
return merge(clone === true, false, arguments);
}, publicName = 'merge';
/**
* Merge two or more objects recursively
* @param bool? clone
* @param mixed,... arguments
* @return object
*/
Public.recursive = function(clone) {
return merge(clone === true, true, arguments);
};
/**
* Clone the input removing any reference
* @param mixed input
* @return mixed
*/
Public.clone = function(input) {
var output = input,
type = typeOf(input),
index, size;
if (type === 'array') {
output = [];
size = input.length;
for (index=0;index<size;++index)
output[index] = Public.clone(input[index]);
} else if (type === 'object') {
output = {};
for (index in input)
output[index] = Public.clone(input[index]);
}
return output;
};
/**
* Merge two objects recursively
* @param mixed input
* @param mixed extend
* @return mixed
*/
function merge_recursive(base, extend) {
if (typeOf(base) !== 'object')
return extend;
for (var key in extend) {
if (typeOf(base[key]) === 'object' && typeOf(extend[key]) === 'object') {
base[key] = merge_recursive(base[key], extend[key]);
} else {
base[key] = extend[key];
}
}
return base;
}
/**
* Merge two or more objects
* @param bool clone
* @param bool recursive
* @param array argv
* @return object
*/
function merge(clone, recursive, argv) {
var result = argv[0],
size = argv.length;
if (clone || typeOf(result) !== 'object')
result = {};
for (var index=0;index<size;++index) {
var item = argv[index],
type = typeOf(item);
if (type !== 'object') continue;
for (var key in item) {
if (key === '__proto__') continue;
var sitem = clone ? Public.clone(item[key]) : item[key];
if (recursive) {
result[key] = merge_recursive(result[key], sitem);
} else {
result[key] = sitem;
}
}
}
return result;
}
/**
* Get type of variable
* @param mixed input
* @return string
*
* @see http://jsperf.com/typeofvar
*/
function typeOf(input) {
return ({}).toString.call(input).slice(8, -1).toLowerCase();
}
if (isNode) {
module.exports = Public;
} else {
window[publicName] = Public;
}
})(typeof module === 'object' && module && typeof module.exports === 'object' && module.exports);