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bemjsonjs.js
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bemjsonjs.js
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// BEMJSON generator
var BEMJS = function() {
/**
* Extend helper
*
* @param dest
* @param source
* @return {Object}
*/
function extend(dest, source) {
var res = {}, name;
if (dest) for (name in dest) if (dest.hasOwnProperty(name)) res[name] = dest[name];
if (source) for (name in source) if (source.hasOwnProperty(name)) res[name] = source[name];
return res;
}
/**
* Extends property of BEMJSON-node
*
* @param obj
* @param prop
* @param values
* @return {*}
*/
function extendProp(obj, prop, values) {
(values && prop) && (obj[prop] = (typeof values === 'object') ? extend(obj[prop], values) : values)
return obj;
}
/**
* Creates property extender
*
* @param prop
* @return {Function}
*/
function createPropExtender(prop) {
return function(vals) {
extendProp(this.obj, prop, vals);
return this;
}
}
/**
* Creates property setter
*
* @param prop
* @return {Function}
*/
function createPropSetter(prop) {
return function(val) {
this.obj[prop] = val;
return this;
}
}
/**
* Main object
*
* @param params
* @return {*}
*/
var bemjs = function(params) {
var bemjsInst = function(cont) {
return bemjsInst.build(arguments.length > 1 ? Array.prototype.slice.call(arguments) : cont);
}
if (bemjsInst.__proto__)
bemjsInst.__proto__ = bemjs.fn;
else
for (var prop in bemjs.fn) if (bemjs.fn.hasOwnProperty(prop)) bemjsInst[prop] = bemjs.fn[prop];
return bemjsInst.init(params);
}
/**
* Base methods for create and augment BEMJSON-node
*/
bemjs.fn = {
init: function(params) {
this.obj = extend({}, params);
return this;
},
_createPropExtender: createPropExtender,
_createPropSetter: createPropSetter,
tag: createPropSetter('tag'),
js: createPropSetter('js'),
mix: createPropSetter('mix'),
attrs: createPropSetter('attrs'),
content: createPropSetter('content'),
build: function(cont) {
return this.content(cont).obj;
}
};
return bemjs;
}(),
// Creates block node
block = function(name, params) {
var block = BEMJS(params);
block.obj.block = name;
block.mods = block._createPropExtender('mods');
return block;
},
// Creates elem node, blockName is optional
elem = function(blockName, name, params) {
if (typeof name === 'object') {
params = name;
name = blockName;
blockName = undefined;
} else if (typeof name === 'undefined') {
name = blockName;
blockName = undefined;
}
var elem = blockName ? block(blockName, params) : BEMJS(params);
elem.obj.elem = name;
elem.elemMods = elem._createPropExtender('elemMods');
return elem;
};
var BEMJSON = [
//b-link
{ block: 'b-link', url: 'yandex.ru', content: 'yandex' },
block('b-link', { url: 'yandex.ru' })('yandex'),
//b-form-button
{
block: 'b-form-button',
mods: { theme: 'grey-s', size: 's' },
type: 'submit',
name: 'my-submit',
value: 'my-value',
content: 'Я.Submit'
},
block('b-form-button', {
type: 'submit',
name: 'my-submit',
value: 'my-value'
})
.mods({
theme: 'grey-s',
size: 's'
})('Я.Submit'),
//b-menu-vert
{
block: 'b-menu-vert',
content: [
{ elem: 'item', content: 'Item 1' },
{ elem: 'item', content: 'Item 2' },
{ elem: 'item', content: 'Item 3' },
{ elem: 'separator' },
{ elem: 'item', content: 'all' }
]
},
block('b-menu-vert')(
elem('item')('Item 1'),
elem('item')('Item 2'),
elem('item')('Item 3'),
elem('separator')(),
elem('item')('all')
)
];
console.log(JSON.stringify(BEMJSON));