Method initFunction

packages/babel-parser/src/plugins/estree.ts:152–155

(node: Undone<N.Function>, isAsync: boolean)

    // ==================================

    initFunction(node: Undone<N.Function>, isAsync: boolean): void {
      super.initFunction(node, isAsync);
      (node as unknown as N.BodilessFunctionOrMethodBase).expression = false;
    }

    checkDeclaration(node: N.Pattern | N.ObjectProperty): void {
      if (node != null && this.isObjectProperty(node)) {