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git.immae.eu Git - github/shaarli/Shaarli.git/blob - inc/blazy-1.3.1.min.js
2 hey, [be]Lazy.js - v1.3.1 - 2015.02.01
3 A lazy loading and multi-serving image script
4 (c) Bjoern Klinggaard - @bklinggaard - http://dinbror.dk/blazy
6 (function(d
,h
){"function"===typeof define
&&define
.amd
?define(h
):"object"===typeof exports
?module
.exports
=h():d
.Blazy
=h()})(this,function(){function d(b
){if(!document
.querySelectorAll
){var g
=document
.createStyleSheet();document
.querySelectorAll=function(b
,a
,e
,d
,f
){f
=document
.all
;a
=[];b
=b
.replace(/\[for\b/gi,"[htmlFor").split(",");for(e
=b
.length
;e
--;){g
.addRule(b
[e
],"k:v");for(d
=f
.length
;d
--;)f
[d
].currentStyle
.k
&&a
.push(f
[d
]);g
.removeRule(0)}return a
}}m
=!0;k
=[];e
={};a
=b
||{};a
.error
=a
.error
||!1;a
.offset
=a
.offset
||100;a
.success
=a
.success
||!1;a
.selector
=a
.selector
||".b-lazy";a
.separator
=a
.separator
||"|";a
.container
=a
.container
?document
.querySelectorAll(a
.container
):!1;a
.errorClass
=a
.errorClass
||"b-error";a
.breakpoints
=a
.breakpoints
||!1;a
.successClass
=a
.successClass
||"b-loaded";a
.src
=r
=a
.src
||"data-src";u
=1<window
.devicePixelRatio
;e
.top
=0-a
.offset
;e
.left
=0-a
.offset
;f
=v(w
,25);t
=v(x
,50);x();n(a
.breakpoints
,function(b
){if(b
.width
>=window
.screen
.width
)return r
=b
.src
,!1});h()}function h(){y(a
.selector
);m
&&(m
=!1,a
.container
&&n(a
.container
,function(b
){p(b
,"scroll",f
)}),p(window
,"resize",t
),p(window
,"resize",f
),p(window
,"scroll",f
));w()}function w(){for(var b
=0;b
<l
;b
++){var g
=k
[b
],c
=g
.getBoundingClientRect();if(c
.right
>=e
.left
&&c
.bottom
>=e
.top
&&c
.left
<=e
.right
&&c
.top
<=e
.bottom
||-1!==(" "+g
.className
+" ").indexOf(" "+a
.successClass
+" "))d
.prototype.load(g
),k
.splice(b
,1),l
--,b
--}0===l
&&d
.prototype.destroy()}function z(b
,g
){if(g
||0<b
.offsetWidth
&&0<b
.offsetHeight
){var c
=b
.getAttribute(r
)||b
.getAttribute(a
.src
);if(c
){var c
=c
.split(a
.separator
),d
=c
[u
&&1<c
.length
?1:0],c
=new Image
;n(a
.breakpoints
,function(a
){b
.removeAttribute(a
.src
)});b
.removeAttribute(a
.src
);c
.onerror=function(){a
.error
&&a
.error(b
,"invalid");b
.className
=b
.className
+" "+a
.errorClass
};c
.onload=function(){"img"===b
.nodeName
.toLowerCase()?b
.src
=d:b
.style
.backgroundImage
='url("'+d
+'")';b
.className
=b
.className
+" "+a
.successClass
;a
.success
&&a
.success(b
)};c
.src
=d
}else a
.error
&&a
.error(b
,"missing"),b
.className
=b
.className
+" "+a
.errorClass
}}function y(b
){b
=document
.querySelectorAll(b
);for(var a
=l
=b
.length
;a
--;k
.unshift(b
[a
]));}function x(){e
.bottom
=(window
.innerHeight
||document
.documentElement
.clientHeight
)+a
.offset
;e
.right
=(window
.innerWidth
||document
.documentElement
.clientWidth
)+a
.offset
}function p(b
,a
,c
){b
.attachEvent
?b
.attachEvent
&&b
.attachEvent("on"+a
,c
):b
.addEventListener(a
,c
,!1)}function q(b
,a
,c
){b
.detachEvent
?b
.detachEvent
&&b
.detachEvent("on"+a
,c
):b
.removeEventListener(a
,c
,!1)}function n(a
,d
){if(a
&&d
)for(var c
=a
.length
,e
=0;e
<c
&&!1!==d(a
[e
],e
);e
++);}function v(a
,d
){var c
=0;return function(){var e
=+new Date
;e
-c
<d
||(c
=e
,a
.apply(k
,arguments
))}}var r
,a
,e
,k
,l
,u
,m
,f
,t
;d
.prototype.revalidate=function(){h()};d
.prototype.load=function(b
,d
){-1===(" "+b
.className
+" ").indexOf(" "+a
.successClass
+" ")&&z(b
,d
)};d
.prototype.destroy=function(){a
.container
&&n(a
.container
,function(a
){q(a
,"scroll",f
)});q(window
,"scroll",f
);q(window
,"resize",f
);q(window
,"resize",t
);l
=0;k
.length
=0;m
=!0};return d
});
projects / github / shaarli / Shaarli.git / blob