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JSJB
Helper I
Helper I

valueFormatter numeric on table visual

Hello,

 

I am implementing the valueFormatter on a custom visual that hosts data in a table. I have followed the documentation in this link, but it seems this only covers categorical. Formats on numeric measures in table view seem to attach themselves directly to the row values rather than being located elsewhere.

 

The example below shows a row array found within the dataview.table.rows. In this example, the fourth element of the array is a numeric measure, and the fifth element is its format string. This format string is found in every single record of the array.

[
    "s471",
    "\"Bridgerton\" cast members share behind-the-scenes stories from the hit show, plus comedian Nikki Glaser breaks down the costume drama's sexiest moments.",
    "2021-07-12T22:00:00.000Z",
    0.34014698024839163,
    "#.########EUR",
    "39 min"
]

 

 

Likewise, adding a dynamic formatting string to a measure also seems to add a column in dataviews.table.columns. This column always looks like this:

{
    "displayName": "",
    "isMeasure": true
}

And its placement in the array is also after the numeric measure (with a format), so I assume it's related to this.

 

Before implementing the valueformatter, linking rows and columns was extremely easy and intuitive. This is obviously not a major hurdle, but can it really be that a whole column is added to the metadata and every record has the format string? This is not the case when I add formatting to a date, as the formatting string is found directly within the metadata column.

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