Function signedHpsMeasureValue

signedHpsMeasureValue(
    val:
        | number
        | `${number}mm`
        | `${number}cm`
        | `${number}in`
        | `${number}pt`
        | `${number}pc`
        | `${number}pi`
        | `-${number}mm`
        | `-${number}cm`
        | `-${number}in`
        | `-${number}pt`
        | `-${number}pc`
        | `-${number}pi`,
): string
| number
Validates a signed half-point (HPS) measurement value.

Accepts either a universal measure string or a numeric value.

Reference: ST_SignedHpsMeasure in OOXML specification
Parameters
- val:
      | number
      | `${number}mm`
      | `${number}cm`
      | `${number}in`
      | `${number}pt`
      | `${number}pc`
      | `${number}pi`
      | `-${number}mm`
      | `-${number}cm`
      | `-${number}in`
      | `-${number}pt`
      | `-${number}pc`
      | `-${number}pi`
  The measurement value (universal measure or number)
Returns string | number
The normalized measurement value
Example
```
const spacing1 = signedHpsMeasureValue("6pt");
const spacing2 = signedHpsMeasureValue(-12); // Negative spacing
```
- Defined in util/values.ts:332