DataTable still propagating endless onLazyLoad events - previous case #1434

[davisruk]

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Plunkr Case (Bug Reports)
Please fork the plunkr below and create a case demonstrating your bug report. Issues without a plunkr have much less possibility to be reviewed.

http://plnkr.co/edit/NtWWnN

Current behavior

Same as #1434 which was marked as fixed for 1.0.1. A Datatable with lazyLoad=true and a filter with a value propagates endless onLazyLoad events when the Datatable's underlying data array is altered e.g. items added or removed. The problem is in the ngDoCheck function where the lazyLoad check still calls the filter function:
if (this.hasFilter()) { if (this.lazy) { //prevent loop if (this.stopFilterPropagation) this.stopFilterPropagation = false; else this.filter(); } else { this.filter(); }
Expected behavior

The component should create one onLazyLoad event. Removing the call to this.filter within the lazyLoad check fixes the problem.
if (this.hasFilter()) { if (this.lazy) { //prevent loop if (this.stopFilterPropagation) this.stopFilterPropagation = false; //else //this.filter(); } else { this.filter(); }
Minimal reproduction of the problem with instructions

What is the motivation / use case for changing the behavior?

See previous case (#1434)
Please tell us about your environment:

See previous case (#1434)

• Angular version: 2.0.X

See previous case (#1434)

• PrimeNG version: 2.0.X

1.0.1

• Browser: [all | Chrome XX | Firefox XX | IE XX | Safari XX | Mobile Chrome XX | Android X.X Web Browser | iOS XX Safari | iOS XX UIWebView | iOS XX WKWebView ]

See previous case (#1434)

• Language: [all | TypeScript X.X | ES6/7 | ES5]
  See previous case (Lazy Loading looping issue #1434)
• Node (for AoT issues): node --version =
  See previous case (Lazy Loading looping issue #1434)

[no0dles]

same issue here, lazy loading and filters are enabled.

Without a filter value everything works fine, but after setting a filter value it loads the filtered content once and as soon as you try to navigate to the second page the loop begins. It also resets the "first" value to 0.

[crimpphantom]

I have add an example for this issue: http://plnkr.co/edit/3643a4

[cagataycivici]

Fix checked in.

[shajeeck]

Filter on primeng datatable with lazy load is looping the lazyload! Any help?

primeng - 4.0.0 RC 2
Angular - 4.0.0

[shalaby]

@cagataycivici same here as @shajeeck

[shalaby]

but when enabling immutable mode on the table the problem is solved :) #2044

[ghost]

With [immutable]="true" the event it's called twice.
Please fix this issue.

Thanks

[cagataycivici]

[immutable] is removed in 4.0, please see the blog post for details.

https://www.primefaces.org/primeng-4-0-0-rc4-released/

We've received feedback that this is fixed with 4.0 as well.