Rewrite to TS

[bartveneman]

closes #358

[codecov-commenter]

Bundle Report

Changes will increase total bundle size by 112 bytes (0.04%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
analyzeCss-esm	32.69kB	112 bytes (0.34%) ⬆️

Affected Assets, Files, and Routes:

view changes for bundle: analyzeCss-esm

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
css-*.js	112 bytes	32.69kB	0.34%

Files in css-*.js:

• ./src/keyword-set.ts → Total Size: 148 bytes

• ./src/atrules/atrules.ts → Total Size: 1.76kB

• ./src/index.ts → Total Size: 30.2kB

• ./src/context-collection.ts → Total Size: 935 bytes

• ./src/aggregate-collection.ts → Total Size: 1.45kB

• ./src/css-tree-node-types.ts → Total Size: 361 bytes

• ./src/collection.ts → Total Size: 1.87kB