template-accessibility-label-for: not recognizing id/for attributes with interpolated values

[ChrisMBarr]

Describe the bug

The new template-accessibility-label-for rule seems to not recognize associated id/for attributes that contain interpolated values such as item-{{index}} that would typically be used when a component generates input controls inside of an ngFor loop.

Context and configuration

"template-accessibility-label-for": true,

Code & Expected behavior

<ng-container *ngFor="let item of itemList; let i = index">
    <label for="item-{{i}}">My label #{{i}</label>
    <input type="text" id="item-{{i}}" [(ngModel)]="item.name"/>
</ng-container>

The above code will generate unique ID's that associate the control with the label within a loop, yet it produces the error

ERROR: 19:12  template-accessibility-label-for       A form label must be associated with a control

Environment

• Version 5.0.0
• OS: Windows 10
• Node.js version 11.4.0
• Package manager (yarn/npm) version NPM 6.9.0
• Angular version 7.2.12
• tslint version 5.15.0