@aws-cdk/core/lib/runtime.js

"use strict";
var _a, _b;
Object.defineProperty(exports, "__esModule", { value: true });
exports.unionValidator = exports.requireProperty = exports.requiredValidator = exports.propertyValidator = exports.hashValidator = exports.listValidator = exports.validateCfnTag = exports.validateObject = exports.validateDate = exports.validateBoolean = exports.validateNumber = exports.validateString = exports.canInspect = exports.VALIDATION_SUCCESS = exports.ValidationResults = exports.ValidationResult = exports.unionMapper = exports.hashMapper = exports.listMapper = exports.cfnTagToCloudFormation = exports.dateToCloudFormation = exports.numberToCloudFormation = exports.objectToCloudFormation = exports.booleanToCloudFormation = exports.stringToCloudFormation = void 0;
const jsiiDeprecationWarnings = require("../.warnings.jsii.js");
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
function identity(x) {
    return x;
}
exports.stringToCloudFormation = identity;
exports.booleanToCloudFormation = identity;
exports.objectToCloudFormation = identity;
exports.numberToCloudFormation = identity;
/**
 * The date needs to be formatted as an ISO date in UTC
 *
 * Some usage sites require a date, some require a timestamp. We'll
 * always output a timestamp and hope the parser on the other end
 * is smart enough to ignore the time part... (?)
 */
function dateToCloudFormation(x) {
    if (!x) {
        return undefined;
    }
    // eslint-disable-next-line max-len
    return `${x.getUTCFullYear()}-${pad(x.getUTCMonth() + 1)}-${pad(x.getUTCDate())}T${pad(x.getUTCHours())}:${pad(x.getUTCMinutes())}:${pad(x.getUTCSeconds())}`;
}
exports.dateToCloudFormation = dateToCloudFormation;
/**
 * Pad a number to 2 decimal places
 */
function pad(x) {
    if (x < 10) {
        return '0' + x.toString();
    }
    return x.toString();
}
/**
 * Turn a tag object into the proper CloudFormation representation
 */
function cfnTagToCloudFormation(x) {
    return {
        Key: x.key,
        Value: x.value,
    };
}
exports.cfnTagToCloudFormation = cfnTagToCloudFormation;
function listMapper(elementMapper) {
    return (x) => {
        if (!canInspect(x)) {
            return x;
        }
        return x.map(elementMapper);
    };
}
exports.listMapper = listMapper;
function hashMapper(elementMapper) {
    return (x) => {
        if (!canInspect(x)) {
            return x;
        }
        const ret = {};
        Object.keys(x).forEach((key) => {
            ret[key] = elementMapper(x[key]);
        });
        return ret;
    };
}
exports.hashMapper = hashMapper;
/**
 * Return a union mapper
 *
 * Takes a list of validators and a list of mappers, which should correspond pairwise.
 *
 * The mapper of the first successful validator will be called.
 */
function unionMapper(validators, mappers) {
    if (validators.length !== mappers.length) {
        throw Error('Not the same amount of validators and mappers passed to unionMapper()');
    }
    return (x) => {
        if (!canInspect(x)) {
            return x;
        }
        for (let i = 0; i < validators.length; i++) {
            if (validators[i](x).isSuccess) {
                return mappers[i](x);
            }
        }
        // Should not be possible because the union must have passed validation before this function
        // will be called, but catch it anyway.
        throw new TypeError('No validators matched in the union()');
    };
}
exports.unionMapper = unionMapper;
// ----------------------------------------------------------------------
// VALIDATORS
//
// These are used while checking that supplied property bags match the expected schema
//
// We have a couple of datatypes that model validation errors and collections of validation
// errors (together forming a tree of errors so that we can trace validation errors through
// an object graph), and validators.
//
// Validators are simply functions that take a value and return a validation results. Then
// we have some combinators to turn primitive validators into more complex validators.
//
/**
 * Representation of validation results
 *
 * Models a tree of validation errors so that we have as much information as possible
 * about the failure that occurred.
 */
class ValidationResult {
    constructor(errorMessage = '', results = new ValidationResults()) {
        this.errorMessage = errorMessage;
        this.results = results;
        try {
            jsiiDeprecationWarnings._aws_cdk_core_ValidationResults(results);
        }
        catch (error) {
            if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
                Error.captureStackTrace(error, ValidationResult);
            }
            throw error;
        }
    }
    get isSuccess() {
        return !this.errorMessage && this.results.isSuccess;
    }
    /**
     * Turn a failed validation into an exception
     */
    assertSuccess() {
        if (!this.isSuccess) {
            let message = this.errorTree();
            // The first letter will be lowercase, so uppercase it for a nicer error message
            message = message.slice(0, 1).toUpperCase() + message.slice(1);
            throw new CfnSynthesisError(message);
        }
    }
    /**
     * Return a string rendering of the tree of validation failures
     */
    errorTree() {
        const childMessages = this.results.errorTreeList();
        return this.errorMessage + (childMessages.length ? `\n  ${childMessages.replace(/\n/g, '\n  ')}` : '');
    }
    /**
     * Wrap this result with an error message, if it concerns an error
     */
    prefix(message) {
        if (this.isSuccess) {
            return this;
        }
        return new ValidationResult(`${message}: ${this.errorMessage}`, this.results);
    }
}
exports.ValidationResult = ValidationResult;
_a = JSII_RTTI_SYMBOL_1;
ValidationResult[_a] = { fqn: "@aws-cdk/core.ValidationResult", version: "1.204.0" };
/**
 * A collection of validation results
 */
class ValidationResults {
    constructor(results = []) {
        this.results = results;
    }
    collect(result) {
        try {
            jsiiDeprecationWarnings._aws_cdk_core_ValidationResult(result);
        }
        catch (error) {
            if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
                Error.captureStackTrace(error, this.collect);
            }
            throw error;
        }
        // Only collect failures
        if (!result.isSuccess) {
            this.results.push(result);
        }
    }
    get isSuccess() {
        return this.results.every(x => x.isSuccess);
    }
    errorTreeList() {
        return this.results.map(child => child.errorTree()).join('\n');
    }
    /**
     * Wrap up all validation results into a single tree node
     *
     * If there are failures in the collection, add a message, otherwise
     * return a success.
     */
    wrap(message) {
        if (this.isSuccess) {
            return exports.VALIDATION_SUCCESS;
        }
        return new ValidationResult(message, this);
    }
}
exports.ValidationResults = ValidationResults;
_b = JSII_RTTI_SYMBOL_1;
ValidationResults[_b] = { fqn: "@aws-cdk/core.ValidationResults", version: "1.204.0" };
// Singleton object to save on allocations
exports.VALIDATION_SUCCESS = new ValidationResult();
/**
 * Return whether this object can be validated at all
 *
 * True unless it's undefined or a CloudFormation intrinsic
 */
function canInspect(x) {
    // Note: using weak equality on purpose, we also want to catch undefined
    return (x != null && !isCloudFormationIntrinsic(x) && !isCloudFormationDynamicReference(x));
}
exports.canInspect = canInspect;
// CloudFormation validators for primitive types
function validateString(x) {
    if (canInspect(x) && typeof x !== 'string') {
        return new ValidationResult(`${JSON.stringify(x)} should be a string`);
    }
    return exports.VALIDATION_SUCCESS;
}
exports.validateString = validateString;
function validateNumber(x) {
    if (canInspect(x) && typeof x !== 'number') {
        return new ValidationResult(`${JSON.stringify(x)} should be a number`);
    }
    return exports.VALIDATION_SUCCESS;
}
exports.validateNumber = validateNumber;
function validateBoolean(x) {
    if (canInspect(x) && typeof x !== 'boolean') {
        return new ValidationResult(`${JSON.stringify(x)} should be a boolean`);
    }
    return exports.VALIDATION_SUCCESS;
}
exports.validateBoolean = validateBoolean;
function validateDate(x) {
    if (canInspect(x) && !(x instanceof Date)) {
        return new ValidationResult(`${JSON.stringify(x)} should be a Date`);
    }
    if (x !== undefined && isNaN(x.getTime())) {
        return new ValidationResult('got an unparseable Date');
    }
    return exports.VALIDATION_SUCCESS;
}
exports.validateDate = validateDate;
function validateObject(x) {
    if (canInspect(x) && typeof x !== 'object') {
        return new ValidationResult(`${JSON.stringify(x)} should be an 'object'`);
    }
    return exports.VALIDATION_SUCCESS;
}
exports.validateObject = validateObject;
function validateCfnTag(x) {
    if (!canInspect(x)) {
        return exports.VALIDATION_SUCCESS;
    }
    if (x.key == null || x.value == null) {
        return new ValidationResult(`${JSON.stringify(x)} should have a 'key' and a 'value' property`);
    }
    return exports.VALIDATION_SUCCESS;
}
exports.validateCfnTag = validateCfnTag;
/**
 * Return a list validator based on the given element validator
 */
function listValidator(elementValidator) {
    return (x) => {
        if (!canInspect(x)) {
            return exports.VALIDATION_SUCCESS;
        }
        if (!x.forEach) {
            return new ValidationResult(`${JSON.stringify(x)} should be a list`);
        }
        for (let i = 0; i < x.length; i++) {
            const element = x[i];
            const result = elementValidator(element);
            if (!result.isSuccess) {
                return result.prefix(`element ${i}`);
            }
        }
        return exports.VALIDATION_SUCCESS;
    };
}
exports.listValidator = listValidator;
/**
 * Return a hash validator based on the given element validator
 */
function hashValidator(elementValidator) {
    return (x) => {
        if (!canInspect(x)) {
            return exports.VALIDATION_SUCCESS;
        }
        for (const key of Object.keys(x)) {
            const result = elementValidator(x[key]);
            if (!result.isSuccess) {
                return result.prefix(`element '${key}'`);
            }
        }
        return exports.VALIDATION_SUCCESS;
    };
}
exports.hashValidator = hashValidator;
/**
 * Decorate a validator with a message clarifying the property the failure is for.
 */
function propertyValidator(propName, validator) {
    return (x) => {
        return validator(x).prefix(propName);
    };
}
exports.propertyValidator = propertyValidator;
/**
 * Return a validator that will fail if the passed property is not present
 *
 * Does not distinguish between the property actually not being present, vs being present but 'null'
 * or 'undefined' (courtesy of JavaScript), which is generally the behavior that we want.
 *
 * Empty strings are considered "present"--don't know if this agrees with how CloudFormation looks
 * at the world.
 */
function requiredValidator(x) {
    if (x == null) {
        return new ValidationResult('required but missing');
    }
    return exports.VALIDATION_SUCCESS;
}
exports.requiredValidator = requiredValidator;
/**
 * Require a property from a property bag.
 *
 * @param props  the property bag from which a property is required.
 * @param name   the name of the required property.
 * @param typeName the name of the construct type that requires the property
 *
 * @returns the value of ``props[name]``
 *
 * @throws if the property ``name`` is not present in ``props``.
 */
function requireProperty(props, name, context) {
    const value = props[name];
    if (value == null) {
        throw new Error(`${context.toString()} is missing required property: ${name}`);
    }
    // Possibly add type-checking here...
    return value;
}
exports.requireProperty = requireProperty;
/**
 * Validates if any of the given validators matches
 *
 * We add either/or words to the front of the error mesages so that they read
 * more nicely. Example:
 *
 *   Properties not correct for 'FunctionProps'
 *     codeUri: not one of the possible types
 *       either: properties not correct for 'S3LocationProperty'
 *         bucket: required but missing
 *         key: required but missing
 *         version: required but missing
 *       or: '3' should be a 'string'
 *
 */
function unionValidator(...validators) {
    return (x) => {
        const results = new ValidationResults();
        let eitherOr = 'either';
        for (const validator of validators) {
            const result = validator(x);
            if (result.isSuccess) {
                return result;
            }
            results.collect(result.prefix(eitherOr));
            eitherOr = 'or';
        }
        return results.wrap('not one of the possible types');
    };
}
exports.unionValidator = unionValidator;
/**
 * Return whether the indicated value represents a CloudFormation intrinsic.
 *
 * CloudFormation intrinsics are modeled as objects with a single key, which
 * look like: { "Fn::GetAtt": [...] } or similar.
 */
function isCloudFormationIntrinsic(x) {
    if (!(typeof x === 'object')) {
        return false;
    }
    const keys = Object.keys(x);
    if (keys.length !== 1) {
        return false;
    }
    return keys[0] === 'Ref' || keys[0].slice(0, 4) === 'Fn::';
}
/**
 * Check whether the indicated value is a CloudFormation dynamic reference.
 *
 * CloudFormation dynamic references take the format: '{{resolve:service-name:reference-key}}'
 */
function isCloudFormationDynamicReference(x) {
    return (typeof x === 'string' && x.startsWith('{{resolve:') && x.endsWith('}}'));
}
// Cannot be public because JSII gets confused about es5.d.ts
class CfnSynthesisError extends Error {
    constructor() {
        super(...arguments);
        this.type = 'CfnSynthesisError';
    }
}
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These don't do anything but are there to make the code\n// generation work out nicely (so the code generator doesn't need to emit different code for primitive\n// vs. complex types).\nexport type Mapper = (x: any) => any;\n\nfunction identity(x: any) {\n  return x;\n}\n\nexport const stringToCloudFormation: Mapper = identity;\nexport const booleanToCloudFormation: Mapper = identity;\nexport const objectToCloudFormation: Mapper = identity;\nexport const numberToCloudFormation: Mapper = identity;\n\n/**\n * The date needs to be formatted as an ISO date in UTC\n *\n * Some usage sites require a date, some require a timestamp. We'll\n * always output a timestamp and hope the parser on the other end\n * is smart enough to ignore the time part... 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Then\n// we have some combinators to turn primitive validators into more complex validators.\n//\n\n/**\n * Representation of validation results\n *\n * Models a tree of validation errors so that we have as much information as possible\n * about the failure that occurred.\n */\nexport class ValidationResult {\n  constructor(readonly errorMessage: string = '', readonly results: ValidationResults = new ValidationResults()) {\n  }\n\n  public get isSuccess(): boolean {\n    return !this.errorMessage && this.results.isSuccess;\n  }\n\n  /**\n   * Turn a failed validation into an exception\n   */\n  public assertSuccess() {\n    if (!this.isSuccess) {\n      let message = this.errorTree();\n      // The first letter will be lowercase, so uppercase it for a nicer error message\n      message = message.slice(0, 1).toUpperCase() + message.slice(1);\n      throw new CfnSynthesisError(message);\n    }\n  }\n\n  /**\n   * Return a string rendering of the tree of validation failures\n   */\n  public errorTree(): string {\n    const childMessages = this.results.errorTreeList();\n    return this.errorMessage + (childMessages.length ? `\\n  ${childMessages.replace(/\\n/g, '\\n  ')}` : '');\n  }\n\n  /**\n   * Wrap this result with an error message, if it concerns an error\n   */\n  public prefix(message: string): ValidationResult {\n    if (this.isSuccess) { return this; }\n    return new ValidationResult(`${message}: ${this.errorMessage}`, this.results);\n  }\n}\n\n/**\n * A collection of validation results\n */\nexport class ValidationResults {\n  constructor(public results: ValidationResult[] = []) {\n  }\n\n  public collect(result: ValidationResult) {\n    // Only collect failures\n    if (!result.isSuccess) {\n      this.results.push(result);\n    }\n  }\n\n  public get isSuccess(): boolean {\n    return this.results.every(x => x.isSuccess);\n  }\n\n  public errorTreeList(): string {\n    return this.results.map(child => child.errorTree()).join('\\n');\n  }\n\n  /**\n   * Wrap up all validation results into a single tree node\n   *\n   * If there are failures in the collection, add a message, otherwise\n   * return a success.\n   */\n  public wrap(message: string): ValidationResult {\n    if (this.isSuccess) { return VALIDATION_SUCCESS; }\n    return new ValidationResult(message, this);\n  }\n}\n\n// Singleton object to save on allocations\nexport const VALIDATION_SUCCESS = new ValidationResult();\n\nexport type Validator = (x: any) => ValidationResult;\n\n/**\n * Return whether this object can be validated at all\n *\n * True unless it's undefined or a CloudFormation intrinsic\n */\nexport function canInspect(x: any) {\n  // Note: using weak equality on purpose, we also want to catch undefined\n  return (x != null && !isCloudFormationIntrinsic(x) && !isCloudFormationDynamicReference(x));\n}\n\n// CloudFormation validators for primitive types\nexport function validateString(x: any): ValidationResult {\n  if (canInspect(x) && typeof x !== 'string') {\n    return new ValidationResult(`${JSON.stringify(x)} should be a string`);\n  }\n  return VALIDATION_SUCCESS;\n}\n\nexport function validateNumber(x: any): ValidationResult {\n  if (canInspect(x) && typeof x !== 'number') {\n    return new ValidationResult(`${JSON.stringify(x)} should be a number`);\n  }\n  return VALIDATION_SUCCESS;\n}\n\nexport function validateBoolean(x: any): ValidationResult {\n  if (canInspect(x) && typeof x !== 'boolean') {\n    return new ValidationResult(`${JSON.stringify(x)} should be a boolean`);\n  }\n  return VALIDATION_SUCCESS;\n}\n\nexport function validateDate(x: any): ValidationResult {\n  if (canInspect(x) && !(x instanceof Date)) {\n    return new ValidationResult(`${JSON.stringify(x)} should be a Date`);\n  }\n\n  if (x !== undefined && isNaN(x.getTime())) {\n    return new ValidationResult('got an unparseable Date');\n  }\n\n  return VALIDATION_SUCCESS;\n}\n\nexport function validateObject(x: any): ValidationResult {\n  if (canInspect(x) && typeof x !== 'object') {\n    return new ValidationResult(`${JSON.stringify(x)} should be an 'object'`);\n  }\n  return VALIDATION_SUCCESS;\n}\n\nexport function validateCfnTag(x: any): ValidationResult {\n  if (!canInspect(x)) { return VALIDATION_SUCCESS; }\n\n  if (x.key == null || x.value == null) {\n    return new ValidationResult(`${JSON.stringify(x)} should have a 'key' and a 'value' property`);\n  }\n\n  return VALIDATION_SUCCESS;\n}\n\n/**\n * Return a list validator based on the given element validator\n */\nexport function listValidator(elementValidator: Validator): Validator {\n  return (x: any) => {\n    if (!canInspect(x)) { return VALIDATION_SUCCESS; }\n\n    if (!x.forEach) {\n      return new ValidationResult(`${JSON.stringify(x)} should be a list`);\n    }\n\n    for (let i = 0; i < x.length; i++) {\n      const element = x[i];\n      const result = elementValidator(element);\n      if (!result.isSuccess) { return result.prefix(`element ${i}`); }\n    }\n\n    return VALIDATION_SUCCESS;\n  };\n}\n\n/**\n * Return a hash validator based on the given element validator\n */\nexport function hashValidator(elementValidator: Validator): Validator {\n  return (x: any) => {\n    if (!canInspect(x)) { return VALIDATION_SUCCESS; }\n\n    for (const key of Object.keys(x)) {\n      const result = elementValidator(x[key]);\n      if (!result.isSuccess) { return result.prefix(`element '${key}'`); }\n    }\n\n    return VALIDATION_SUCCESS;\n  };\n}\n\n/**\n * Decorate a validator with a message clarifying the property the failure is for.\n */\nexport function propertyValidator(propName: string, validator: Validator): Validator {\n  return (x: any) => {\n    return validator(x).prefix(propName);\n  };\n}\n\n/**\n * Return a validator that will fail if the passed property is not present\n *\n * Does not distinguish between the property actually not being present, vs being present but 'null'\n * or 'undefined' (courtesy of JavaScript), which is generally the behavior that we want.\n *\n * Empty strings are considered \"present\"--don't know if this agrees with how CloudFormation looks\n * at the world.\n */\nexport function requiredValidator(x: any) {\n  if (x == null) {\n    return new ValidationResult('required but missing');\n  }\n  return VALIDATION_SUCCESS;\n}\n\n/**\n * Require a property from a property bag.\n *\n * @param props  the property bag from which a property is required.\n * @param name   the name of the required property.\n * @param typeName the name of the construct type that requires the property\n *\n * @returns the value of ``props[name]``\n *\n * @throws if the property ``name`` is not present in ``props``.\n */\nexport function requireProperty(props: { [name: string]: any }, name: string, context: Construct): any {\n  const value = props[name];\n  if (value == null) {\n    throw new Error(`${context.toString()} is missing required property: ${name}`);\n  }\n  // Possibly add type-checking here...\n  return value;\n}\n\n/**\n * Validates if any of the given validators matches\n *\n * We add either/or words to the front of the error mesages so that they read\n * more nicely. Example:\n *\n *   Properties not correct for 'FunctionProps'\n *     codeUri: not one of the possible types\n *       either: properties not correct for 'S3LocationProperty'\n *         bucket: required but missing\n *         key: required but missing\n *         version: required but missing\n *       or: '3' should be a 'string'\n *\n */\nexport function unionValidator(...validators: Validator[]): Validator {\n  return (x: any) => {\n    const results = new ValidationResults();\n    let eitherOr = 'either';\n\n    for (const validator of validators) {\n      const result = validator(x);\n      if (result.isSuccess) { return result; }\n      results.collect(result.prefix(eitherOr));\n      eitherOr = 'or';\n    }\n    return results.wrap('not one of the possible types');\n  };\n}\n\n/**\n * Return whether the indicated value represents a CloudFormation intrinsic.\n *\n * CloudFormation intrinsics are modeled as objects with a single key, which\n * look like: { \"Fn::GetAtt\": [...] } or similar.\n */\nfunction isCloudFormationIntrinsic(x: any) {\n  if (!(typeof x === 'object')) { return false; }\n  const keys = Object.keys(x);\n  if (keys.length !== 1) { return false; }\n\n  return keys[0] === 'Ref' || keys[0].slice(0, 4) === 'Fn::';\n}\n\n/**\n * Check whether the indicated value is a CloudFormation dynamic reference.\n *\n * CloudFormation dynamic references take the format: '{{resolve:service-name:reference-key}}'\n */\nfunction isCloudFormationDynamicReference(x: any) {\n  return (typeof x === 'string' && x.startsWith('{{resolve:') && x.endsWith('}}'));\n}\n\n// Cannot be public because JSII gets confused about es5.d.ts\nclass CfnSynthesisError extends Error {\n  public readonly type = 'CfnSynthesisError';\n}\n"]}