static addStackSuppressions()

in src/nag-suppressions.ts [31:72]

• 40 lines of code
• 7 McCabe index (conditional complexity)

  static addStackSuppressions(
    stack: Stack,
    suppressions: NagPackSuppression[],
    applyToNestedStacks: boolean = false
  ): void {
    const stacks = applyToNestedStacks
      ? stack.node.findAll().filter((x): x is Stack => x instanceof Stack)
      : [stack];
    stacks.forEach((s) => {
      const newSuppressions = [];
      for (const suppression of suppressions) {
        if (suppression.reason.length >= 10) {
          newSuppressions.push(suppression);
        } else {
          throw Error(
            `${s.node.id}: The cdk_nag suppression for ${suppression.id} must have a reason of 10 characters or more. See https://github.com/cdklabs/cdk-nag#suppressing-a-rule for information on suppressing a rule.`
          );
        }
      }
      let currentSuppressions =
        s.templateOptions.metadata?.cdk_nag?.rules_to_suppress;
      currentSuppressions = Array.isArray(currentSuppressions)
        ? currentSuppressions
        : [];
      currentSuppressions.push(...newSuppressions);
      const dedupSuppressions = new Set();
      const result = currentSuppressions.filter((x: any) =>
        !dedupSuppressions.has(JSON.stringify(x))
          ? dedupSuppressions.add(JSON.stringify(x))
          : false
      );
      if (s.templateOptions.metadata) {
        s.templateOptions.metadata.cdk_nag = {
          rules_to_suppress: result,
        };
      } else {
        s.templateOptions.metadata = {
          cdk_nag: { rules_to_suppress: result },
        };
      }
    });
  }