@cdklabs/cdk-ecs-codedeploy
Version:
CDK Constructs for performing ECS Deployments with CodeDeploy
14 lines (13 loc) • 408 B
JavaScript
const VALID_HOST_LABEL_REGEX = new RegExp(`^(?!.*-$)(?!-)[a-zA-Z0-9-]{1,63}$`);
export const isValidHostLabel = (value, allowSubDomains = false) => {
if (!allowSubDomains) {
return VALID_HOST_LABEL_REGEX.test(value);
}
const labels = value.split(".");
for (const label of labels) {
if (!isValidHostLabel(label)) {
return false;
}
}
return true;
};