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fix(material-experimental/mdc-chips): fix changed after checked error when restoring focus to input #24243

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merged 1 commit into from
Jan 20, 2022
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fix(material-experimental/mdc-chips): fix changed after checked error when restoring focus to input #24243

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9 changes: 3 additions & 6 deletions src/material-experimental/mdc-chips/chip-grid.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -357,7 +357,9 @@ export class MatChipGrid
this._chips.forEach(chip => chip.primaryAction._updateTabindex(-1));
this._chips.first.focus();
} else {
this._focusInput();
// Delay until the next tick, because this can cause a "changed after checked"
// error if the input does something on focus (e.g. opens an autocomplete).
Promise.resolve().then(() => this._chipInput.focus());
}

this.stateChanges.next();
Expand Down Expand Up @@ -482,9 +484,4 @@ export class MatChipGrid

this._lastDestroyedChipIndex = null;
}

/** Focus input element. */
private _focusInput() {
this._chipInput.focus();
}
}