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Merge pull request #4110 from google/deconstruct-buletproofing

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Add some bulletproofing to deconstructComponentInternal.
This commit is contained in:
Jonathan Garbee 2016-02-12 07:29:24 -05:00
commit 48cdbd9340
1 changed files with 11 additions and 9 deletions
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20
src/mdlComponentHandler.js
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@ -342,17 +342,19 @@ componentHandler = (function() {
* @param {?componentHandler.Component} component
*/
function deconstructComponentInternal(component) {
var componentIndex = createdComponents_.indexOf(component);
createdComponents_.splice(componentIndex, 1);
if (component) {
var componentIndex = createdComponents_.indexOf(component);
createdComponents_.splice(componentIndex, 1);
var upgrades = component.element_.getAttribute('data-upgraded').split(',');
var componentPlace = upgrades.indexOf(component[componentConfigProperty_].classAsString);
upgrades.splice(componentPlace, 1);
component.element_.setAttribute('data-upgraded', upgrades.join(','));
var upgrades = component.element_.getAttribute('data-upgraded').split(',');
var componentPlace = upgrades.indexOf(component[componentConfigProperty_].classAsString);
upgrades.splice(componentPlace, 1);
component.element_.setAttribute('data-upgraded', upgrades.join(','));
var ev = document.createEvent('Events');
ev.initEvent('mdl-componentdowngraded', true, true);
component.element_.dispatchEvent(ev);
var ev = document.createEvent('Events');
ev.initEvent('mdl-componentdowngraded', true, true);
component.element_.dispatchEvent(ev);
}
}
/**