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LocalCDN-Firefox-Chrome-Brave/resources/waypoints/4.0.1/waypoints.debug.jsm

46 lines
1.4 KiB
JavaScript

/*!
Waypoints Debug - 4.0.0
Copyright © 2011-2015 Caleb Troughton
Licensed under the MIT license.
https://github.com/imakewebthings/waypoints/blob/master/licenses.txt
*/
(function() {
'use strict'
var displayNoneMessage = [
'You have a Waypoint element with display none. For more information on ',
'why this is a bad idea read ',
'http://imakewebthings.com/waypoints/guides/debugging/#display-none'
].join('')
var fixedMessage = [
'You have a Waypoint element with fixed positioning. For more ',
'information on why this is a bad idea read ',
'http://imakewebthings.com/waypoints/guides/debugging/#fixed-position'
].join('')
function checkWaypointStyles() {
var originalRefresh = window.Waypoint.Context.prototype.refresh
window.Waypoint.Context.prototype.refresh = function() {
for (var axis in this.waypoints) {
for (var key in this.waypoints[axis]) {
var waypoint = this.waypoints[axis][key]
var style = window.getComputedStyle(waypoint.element)
if (!waypoint.enabled) {
continue
}
if (style && style.display === 'none') {
console.error(displayNoneMessage)
}
if (style && style.position === 'fixed') {
console.error(fixedMessage)
}
}
}
return originalRefresh.call(this)
}
}
checkWaypointStyles()
}())
;