Class CauseImpl

repos/effect/packages/effect/src/internal/core.ts:137–175

export const isCauseReason = (self: unknown): self is Cause.Reason<unknown> => hasProperty(self, CauseReasonTypeId)

/** @internal */
export class CauseImpl<E> implements Cause.Cause<E> {
  readonly [CauseTypeId]: typeof CauseTypeId
  readonly reasons: ReadonlyArray<
    Cause.Fail<E> | Cause.Die | Cause.Interrupt
  >
  constructor(
    failures: ReadonlyArray<
      Cause.Fail<E> | Cause.Die | Cause.Interrupt
    >
  ) {
    this[CauseTypeId] = CauseTypeId
    this.reasons = failures
  }
  pipe() {
    return pipeArguments(this, arguments)
  }
  toJSON(): unknown {
    return {
      _id: "Cause",
      failures: this.reasons.map((f) => f.toJSON())
    }
  }
  toString() {
    return `Cause(${format(this.reasons)})`
  }
  [NodeInspectSymbol]() {
    return this.toJSON()
  }
  [Equal.symbol](that: any): boolean {
    return (
      isCause(that) &&
      this.reasons.length === that.reasons.length &&
      this.reasons.every((e, i) => Equal.equals(e, that.reasons[i]))
    )
  }
  [Hash.symbol](): number {
    return Hash.array(this.reasons)
  }
}

const annotationsMap = new WeakMap<object, ReadonlyMap<string, unknown>>()