[Feature Request] Additional formats for customapi widget

[zerebos]

Description

It would be nice to have more formats, especially bytes for the customapi widget. I looked into adding this myself by including a template option for each field in mappings (e.g. {{value, byte(binary: true)}}) that has custom format type, which works well, the only problem is that not all APIs are guaranteed to use bytes directly over something already scaled (MiB/KiB). But there was no good way to try and re-scale it to bytes through the yaml, so I added a scale option to prettyBytes (https://github.com/benphelps/homepage/blob/main/next-i18next.config.js) with a modification like this:

if (options.scale) {
    const index = UNITS.indexOf(options.scale);
    if (index >= 0) number *= (options.binary ? 1024 : 1000) ** index;
  }

with a usage like

- Syncthing:
        icon: mdi-sync
        widget:
          type: customapi
          url: http://syncthing:8384/rest/svc/report
          headers:
            X-API-Key: redacted
          mappings:
            - field: totMiB
              label: Stored
              template: "{{value, bytes(binary: true; scale: 'MiB')}}"
              format: custom

This works, and correctly formats the size.

I'm just not sure this implementation above is really the best solution to this problem. It might be better to scale it somehow in the customapi widget directly and use common.bbytes and not allow fully custom template strings like I did.

Maybe shamoon or benphelps will have a better idea for implementation.

Other

No response

[zerebos]

Thanks @greglook #1958

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