# yaml-language-server: $schema=https://raw.githubusercontent.com/ast-grep/ast-grep/main/schemas/rule.json

id: no-map-async-cell
message: Using `.map(async |...| { ...cell() })` causes non-deterministic cell order
note: You probably want to first `try_join()` the async computations before wrapping them in a cell.
severity: error
language: Rust
rule:
  all:
    - any:
        - pattern: $_X.cell()
        - pattern: $_X.resolved_cell()
        - pattern: ResolvedVc::cell($_X)
        - pattern: Vc::cell($_X)
        - pattern: ReadRef::cell($_X)
        - pattern: TraitRef::cell($_X)
    - inside:
        stopBy: end
        all:
          - any:
              - pattern: 'async |$$$ARGS| $BODY'
              - pattern: 'async move |$$$ARGS| $BODY'
              - pattern: '|$$$ARGS| async { $$$BODY }'
              - pattern: '|$$$ARGS| async move { $$$BODY }'
          - inside:
              stopBy: end
              field: arguments
              pattern: $EXPR.map($$$CLOSURE)