@pepperize/cdk-ssm-parameters-cross-region/lib/validators.js

Store, read and lookup AWS SSM Parameters cross-region

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Validators = void 0;
const aws_cdk_lib_1 = require("aws-cdk-lib");
class Validators {
    /**
     * Validates whether a supplied value conforms to the allowedPattern, granted neither is an unresolved token.
     *
     * @param value          the value to be validated.
     * @param allowedPattern the regular expression to use for validation.
     *
     * @throws if the ``value`` does not conform to the ``allowedPattern`` and neither is an unresolved token (per
     *         ``cdk.unresolved``).
     */
    static parameterValue(value, allowedPattern) {
        if (aws_cdk_lib_1.Token.isUnresolved(value) || aws_cdk_lib_1.Token.isUnresolved(allowedPattern)) {
            // Unable to perform validations against unresolved tokens
            return;
        }
        if (!new RegExp(allowedPattern).test(value)) {
            throw new Error(`The supplied value (${value}) does not match the specified allowedPattern (${allowedPattern})`);
        }
    }
    static parameterName(parameterName) {
        if (aws_cdk_lib_1.Token.isUnresolved(parameterName)) {
            throw new Error("Unable to determine parameter name for SSM parameter since the parameter name is an unresolved token.");
        }
        if (parameterName.length > 2048) {
            throw new Error("Name cannot be longer than 2048 characters.");
        }
        if (!parameterName.match(/^\/[\/\w.-]+$/)) {
            throw new Error(`Name must begin with / and must only contain letters, numbers, and the following 4 symbols .-_/; got ${parameterName}`);
        }
    }
    static description(description) {
        if (description && description?.length > 1024) {
            throw new Error("Description cannot be longer than 1024 characters.");
        }
    }
}
exports.Validators = Validators;
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