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api method to detect navigation away from current page

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This commit is contained in:
azivner 2018-12-29 08:40:35 +01:00
parent f6db9a50ab
commit 89299f865c
1 changed files with 13 additions and 0 deletions
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13
src/public/javascripts/services/frontend_script_api.js
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@ -203,6 +203,19 @@ function FrontendScriptApi(startNote, currentNote, originEntity = null) {
*/ */
this.getCurrentNoteContent = noteDetailService.getCurrentNoteContent; this.getCurrentNoteContent = noteDetailService.getCurrentNoteContent;
/**
* This method checks whether user navigated away from the note from which the scripts has been started.
* This is necessary because script execution is async and by the time it is finished, the user might have
* already navigated away from this page - the end result would be that script might return data for the wrong
* note.
*
* @method
* @return {boolean} returns true if the original note is still loaded, false if user switched to another
*/
this.isNoteStillLoaded = () => {
return this.originEntity.noteId === noteDetailService.getCurrentNoteId();
};
/** /**
* @method * @method
* @param {function} func - callback called on note change as user is typing (not necessarily tied to save event) * @param {function} func - callback called on note change as user is typing (not necessarily tied to save event)