Function cssContext

packages/tailwindcss/src/ast.ts:188–218

(
  ctx: VisitContext<AstNode>,
)

}

export function cssContext(
  ctx: VisitContext<AstNode>,
): VisitContext<AstNode> & { context: Record<string, string | boolean> } {
  return {
    depth: ctx.depth,
    index: ctx.index,
    siblings: ctx.siblings,
    get context() {
      let context: Record<string, string | boolean> = {}
      for (let child of ctx.path()) {
        if (child.kind === class="st">'context') {
          Object.assign(context, child.context)
        }
      }

      class="cm">// Once computed, we never need to compute this again
      Object.defineProperty(this, class="st">'context', { value: context })
      return context
    },
    get parent() {
      let parent = (this.path().pop() as Extract<AstNode, { nodes: AstNode[] }>) ?? null

      class="cm">// Once computed, we never need to compute this again
      Object.defineProperty(this, class="st">'parent', { value: parent })
      return parent
    },
    path() {
      return ctx.path().filter((n) => n.kind !== class="st">'context')
    },
  }
}

class="cm">// Optimize the AST for printing where all the special nodes that require custom
class="cm">// handling are handled such that the printing is a 1-to-1 transformation.