Convert to TypeScript #168
Description
This is a placeholder for a future conversion to TypeScript, as time and/or urgency permits. The current TypeScript conversion checklist is located here: https://github.com/phetsims/phet-info/blob/main/typescript-conversion/conversion-checklist.md
As of 8/12/25, the status of this sims' JS to TS is:
│ (index) │ JS │ TS │ % Complete │ "@ts-expect-error" │
├──────────────────────────────────────────┼───────┼───────┼────────────┼────────────────────┤
│ color-vision │ 3006 │ 50 │ 1 │ 0 │