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fix(table): no data row not shown if data source is empty on init #19994

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crisbeto
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There's an early return in the function that renders all the rows, including the one that is shown for no data, if there were no changes to the data source. This was preventing the no data row from showing up if the data source starts off as empty.

Fixes #19992.

@crisbeto crisbeto added P3 An issue that is relevant to core functions, but does not impede progress. Important, but not urgent target: patch This PR is targeted for the next patch release labels Jul 15, 2020
@googlebot googlebot added the cla: yes PR author has agreed to Google's Contributor License Agreement label Jul 15, 2020
There's an early `return` in the function that renders all the rows, including the one that is shown for no data, if there were no changes to the data source. This was preventing the no data row from showing up if the data source starts off as empty.

Fixes angular#19992.
@crisbeto crisbeto force-pushed the 19992/table-no-data-row-on-init branch from 7f0b0c6 to 083132b Compare July 15, 2020 16:33
@andrewseguin andrewseguin added lgtm action: merge The PR is ready for merge by the caretaker labels Jul 20, 2020
@wagnermaciel wagnermaciel merged commit b3099c8 into angular:master Jul 21, 2020
wagnermaciel pushed a commit that referenced this pull request Jul 21, 2020
…9994)

There's an early `return` in the function that renders all the rows, including the one that is shown for no data, if there were no changes to the data source. This was preventing the no data row from showing up if the data source starts off as empty.

Fixes #19992.

(cherry picked from commit b3099c8)
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action: merge The PR is ready for merge by the caretaker cla: yes PR author has agreed to Google's Contributor License Agreement P3 An issue that is relevant to core functions, but does not impede progress. Important, but not urgent target: patch This PR is targeted for the next patch release
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bug(mat-table): *matNoDataRow not displayed when data is empty
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