Function resolveSpacingValue

resolveSpacingValue(value: SpacingValue | undefined): number
Resolve a spacing value to a number. Accepts either a direct number or a scale key.
Parameters
- value: SpacingValue | undefined
  Number or spacing key
Returns number
Resolved spacing in cell units
Example
```
resolveSpacingValue("md")  // 2
resolveSpacingValue("lg")  // 3
resolveSpacingValue(5)     // 5
resolveSpacingValue("xs")  // 1
```
- Defined in core/src/layout/spacing-scale.ts:73