fix(select): handle async changes to the option label #9159
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src/lib/core/option/option.ts
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| private _selected = false; | ||
| private _active = false; | ||
| private _disabled = false; | ||
| private _id = `mat-option-${_uniqueIdCounter++}`; | ||
| private _oldViewValue = ''; |
src/lib/select/select.ts
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| } | ||
| }); | ||
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| merge(...this.options.map(option => option._stateChanges)) |
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Addressed the feedback @jelbourn. |
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@crisbeto passes presubmit, just needs rebase |
Currently `mat-select` doesn't react to changes in the label of its options, which is problematic, because the option label might be populated at a later point by a pipe or it might have changed while the select is closed. These changes add a `Subject` to the `MatOption` that will emit whenever the label changes and allows the select to react accordingly. Fixes angular#7923.
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Rebased. |
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Currently `mat-select` doesn't react to changes in the label of its options, which is problematic, because the option label might be populated at a later point by a pipe or it might have changed while the select is closed. These changes add a `Subject` to the `MatOption` that will emit whenever the label changes and allows the select to react accordingly. Fixes angular#7923.
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Currently
mat-selectdoesn't react to changes in the label of its options, which is problematic, because the option label might be populated at a later point by a pipe or it might have changed while the select is closed. These changes add aSubjectto theMatOptionthat will emit whenever the label changes and allows the select to react accordingly.Fixes #7923.