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@aws-cdk/core

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AWS Cloud Development Kit Core Library

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); const cfn_resource_1 = require("./cfn-resource"); /** * Standard tags are a list of { key, value } objects */ class StandardFormatter { parseTags(cfnPropertyTags, priority) { if (!Array.isArray(cfnPropertyTags)) { throw new Error(`Invalid tag input expected array of {key, value} have ${JSON.stringify(cfnPropertyTags)}`); } const tags = []; for (const tag of cfnPropertyTags) { if (tag.key === undefined || tag.value === undefined) { throw new Error(`Invalid tag input expected {key, value} have ${JSON.stringify(tag)}`); } // using interp to ensure Token is now string tags.push({ key: `${tag.key}`, value: `${tag.value}`, priority }); } return tags; } formatTags(tags) { const cfnTags = []; for (const tag of tags) { cfnTags.push({ key: tag.key, value: tag.value }); } return cfnTags.length === 0 ? undefined : cfnTags; } } /** * ASG tags are a list of { key, value, propagateAtLaunch } objects */ class AsgFormatter { parseTags(cfnPropertyTags, priority) { const tags = []; if (!Array.isArray(cfnPropertyTags)) { throw new Error(`Invalid tag input expected array of {key, value, propagateAtLaunch} have ${JSON.stringify(cfnPropertyTags)}`); } for (const tag of cfnPropertyTags) { if (tag.key === undefined || tag.value === undefined || tag.propagateAtLaunch === undefined) { throw new Error(`Invalid tag input expected {key, value, propagateAtLaunch} have ${JSON.stringify(tag)}`); } // using interp to ensure Token is now string tags.push({ key: `${tag.key}`, value: `${tag.value}`, priority, applyToLaunchedInstances: !!tag.propagateAtLaunch }); } return tags; } formatTags(tags) { const cfnTags = []; for (const tag of tags) { cfnTags.push({ key: tag.key, value: tag.value, propagateAtLaunch: tag.applyToLaunchedInstances !== false, }); } return cfnTags.length === 0 ? undefined : cfnTags; } } /** * Some CloudFormation constructs use a { key: value } map for tags */ class MapFormatter { parseTags(cfnPropertyTags, priority) { const tags = []; if (Array.isArray(cfnPropertyTags) || typeof (cfnPropertyTags) !== 'object') { throw new Error(`Invalid tag input expected map of {key: value} have ${JSON.stringify(cfnPropertyTags)}`); } for (const [key, value] of Object.entries(cfnPropertyTags)) { tags.push({ key, value: `${value}`, priority }); } return tags; } formatTags(tags) { const cfnTags = {}; for (const tag of tags) { cfnTags[`${tag.key}`] = `${tag.value}`; } return Object.keys(cfnTags).length === 0 ? undefined : cfnTags; } } /** * StackTags are of the format { Key: key, Value: value } */ class KeyValueFormatter { parseTags(keyValueTags, priority) { const tags = []; for (const key in keyValueTags) { if (keyValueTags.hasOwnProperty(key)) { const value = keyValueTags[key]; tags.push({ key, value, priority }); } } return tags; } formatTags(unformattedTags) { const tags = []; unformattedTags.forEach(tag => { tags.push({ Key: tag.key, Value: tag.value }); }); return tags; } } class NoFormat { parseTags(_cfnPropertyTags) { return []; } formatTags(_tags) { return undefined; } } const TAG_FORMATTERS = { [cfn_resource_1.TagType.AUTOSCALING_GROUP]: new AsgFormatter(), [cfn_resource_1.TagType.STANDARD]: new StandardFormatter(), [cfn_resource_1.TagType.MAP]: new MapFormatter(), [cfn_resource_1.TagType.KEY_VALUE]: new KeyValueFormatter(), [cfn_resource_1.TagType.NOT_TAGGABLE]: new NoFormat(), }; /** * TagManager facilitates a common implementation of tagging for Constructs. */ class TagManager { constructor(tagType, resourceTypeName, tagStructure, options = {}) { this.tags = new Map(); this.priorities = new Map(); this.initialTagPriority = 50; this.resourceTypeName = resourceTypeName; this.tagFormatter = TAG_FORMATTERS[tagType]; if (tagStructure !== undefined) { this._setTag(...this.tagFormatter.parseTags(tagStructure, this.initialTagPriority)); } this.tagPropertyName = options.tagPropertyName || 'tags'; } /** * Check whether the given construct is Taggable */ static isTaggable(construct) { return construct.tags !== undefined; } /** * Adds the specified tag to the array of tags * */ setTag(key, value, priority = 0, applyToLaunchedInstances = true) { // This method mostly exists because we don't want to expose the 'Tag' type used (it will be confusing // to users). this._setTag({ key, value, priority, applyToLaunchedInstances }); } /** * Removes the specified tag from the array if it exists * * @param key The tag to remove * @param priority The priority of the remove operation */ removeTag(key, priority) { if (priority >= (this.priorities.get(key) || 0)) { this.tags.delete(key); this.priorities.set(key, priority); } } /** * Renders tags into the proper format based on TagType */ renderTags() { return this.tagFormatter.formatTags(Array.from(this.tags.values())); } /** * Determine if the aspect applies here * * Looks at the include and exclude resourceTypeName arrays to determine if * the aspect applies here */ applyTagAspectHere(include, exclude) { if (exclude && exclude.length > 0 && exclude.indexOf(this.resourceTypeName) !== -1) { return false; } if (include && include.length > 0 && include.indexOf(this.resourceTypeName) === -1) { return false; } return true; } /** * Returns true if there are any tags defined */ hasTags() { return this.tags.size > 0; } _setTag(...tags) { for (const tag of tags) { if (tag.priority >= (this.priorities.get(tag.key) || 0)) { this.tags.set(tag.key, tag); this.priorities.set(tag.key, tag.priority); } } } } exports.TagManager = TagManager; //# 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{ TagType } from './cfn-resource';\nimport { CfnTag } from './cfn-tag';\n\ninterface Tag {\n  key: string;\n  value: string;\n  priority: number;\n\n  /**\n   * @default true\n   */\n  applyToLaunchedInstances?: boolean;\n}\n\ninterface CfnAsgTag {\n  key: string;\n  value: string;\n  propagateAtLaunch: boolean;\n}\n\ninterface StackTag {\n  Key: string;\n  Value: string;\n}\n/**\n * Interface for converter between CloudFormation and internal tag representations\n */\ninterface ITagFormatter {\n  /**\n   * Format the given tags as CloudFormation tags\n   */\n  formatTags(tags: Tag[]): any;\n\n  /**\n   * Parse the CloudFormation tag representation into internal representation\n   *\n   * Use the given priority.\n   */\n  parseTags(cfnPropertyTags: any, priority: number): Tag[];\n}\n\n/**\n * Standard tags are a list of { key, value } objects\n */\nclass StandardFormatter implements ITagFormatter {\n  public parseTags(cfnPropertyTags: any, priority: number): Tag[] {\n    if (!Array.isArray(cfnPropertyTags)) {\n      throw new Error(`Invalid tag input expected array of {key, value} have ${JSON.stringify(cfnPropertyTags)}`);\n    }\n\n    const tags: Tag[] = [];\n    for (const tag of cfnPropertyTags) {\n      if (tag.key === undefined || tag.value === undefined) {\n        throw new Error(`Invalid tag input expected {key, value} have ${JSON.stringify(tag)}`);\n      }\n      // using interp to ensure Token is now string\n      tags.push({\n        key: `${tag.key}`,\n        value: `${tag.value}`,\n        priority\n      });\n    }\n    return tags;\n  }\n\n  public formatTags(tags: Tag[]): any {\n    const cfnTags: CfnTag[] = [];\n    for (const tag of tags) {\n      cfnTags.push({\n        key: tag.key,\n        value: tag.value\n      });\n    }\n    return cfnTags.length === 0 ? undefined : cfnTags;\n  }\n}\n\n/**\n * ASG tags are a list of { key, value, propagateAtLaunch } objects\n */\nclass AsgFormatter implements ITagFormatter {\n  public parseTags(cfnPropertyTags: any, priority: number): Tag[] {\n    const tags: Tag[] = [];\n    if (!Array.isArray(cfnPropertyTags)) {\n      throw new Error(`Invalid tag input expected array of {key, value, propagateAtLaunch} have ${JSON.stringify(cfnPropertyTags)}`);\n    }\n\n    for (const tag of cfnPropertyTags) {\n      if (tag.key === undefined ||\n        tag.value === undefined ||\n        tag.propagateAtLaunch === undefined) {\n        throw new Error(`Invalid tag input expected {key, value, propagateAtLaunch} have ${JSON.stringify(tag)}`);\n      }\n      // using interp to ensure Token is now string\n      tags.push({\n        key: `${tag.key}`,\n        value: `${tag.value}`,\n        priority,\n        applyToLaunchedInstances: !!tag.propagateAtLaunch\n      });\n    }\n\n    return tags;\n  }\n\n  public formatTags(tags: Tag[]): any {\n    const cfnTags: CfnAsgTag[] = [];\n    for (const tag of tags) {\n      cfnTags.push({\n        key: tag.key,\n        value: tag.value,\n        propagateAtLaunch: tag.applyToLaunchedInstances !== false,\n      });\n    }\n    return cfnTags.length === 0 ? undefined : cfnTags;\n  }\n}\n\n/**\n * Some CloudFormation constructs use a { key: value } map for tags\n */\nclass MapFormatter implements ITagFormatter {\n  public parseTags(cfnPropertyTags: any, priority: number): Tag[] {\n    const tags: Tag[] = [];\n    if (Array.isArray(cfnPropertyTags) || typeof(cfnPropertyTags) !== 'object') {\n      throw new Error(`Invalid tag input expected map of {key: value} have ${JSON.stringify(cfnPropertyTags)}`);\n    }\n\n    for (const [key, value] of Object.entries(cfnPropertyTags)) {\n      tags.push({\n        key,\n        value: `${value}`,\n        priority\n      });\n    }\n\n    return tags;\n  }\n\n  public formatTags(tags: Tag[]): any {\n    const cfnTags: {[key: string]: string} = {};\n    for (const tag of tags) {\n      cfnTags[`${tag.key}`] = `${tag.value}`;\n    }\n    return Object.keys(cfnTags).length === 0 ? undefined : cfnTags;\n  }\n}\n\n/**\n * StackTags are of the format { Key: key, Value: value }\n */\nclass KeyValueFormatter implements ITagFormatter {\n  public parseTags(keyValueTags: any, priority: number): Tag[] {\n    const tags: Tag[] = [];\n    for (const key in keyValueTags) {\n      if (keyValueTags.hasOwnProperty(key)) {\n        const value = keyValueTags[key];\n        tags.push({\n          key,\n          value,\n          priority\n        });\n      }\n    }\n    return tags;\n  }\n  public formatTags(unformattedTags: Tag[]): any {\n    const tags: StackTag[] = [];\n    unformattedTags.forEach(tag => {\n      tags.push({\n        Key: tag.key,\n        Value: tag.value\n      });\n    });\n    return tags;\n  }\n}\n\nclass NoFormat implements ITagFormatter {\n  public parseTags(_cfnPropertyTags: any): Tag[] {\n    return [];\n  }\n  public formatTags(_tags: Tag[]): any {\n    return undefined;\n  }\n}\n\nconst TAG_FORMATTERS: {[key: string]: ITagFormatter} = {\n  [TagType.AUTOSCALING_GROUP]: new AsgFormatter(),\n  [TagType.STANDARD]: new StandardFormatter(),\n  [TagType.MAP]: new MapFormatter(),\n  [TagType.KEY_VALUE]: new KeyValueFormatter(),\n  [TagType.NOT_TAGGABLE]: new NoFormat(),\n};\n\n/**\n * Interface to implement tags.\n */\nexport interface ITaggable {\n  /**\n   * TagManager to set, remove and format tags\n   */\n  readonly tags: TagManager;\n}\n\n/**\n * Options to configure TagManager behavior\n */\nexport interface TagManagerOptions {\n  /**\n   * The name of the property in CloudFormation for these tags\n   *\n   * Normally this is `tags`, but Cognito UserPool uses UserPoolTags\n   *\n   * @default \"tags\"\n   */\n  readonly tagPropertyName?: string;\n}\n\n/**\n * TagManager facilitates a common implementation of tagging for Constructs.\n */\nexport class TagManager {\n\n  /**\n   * Check whether the given construct is Taggable\n   */\n  public static isTaggable(construct: any): construct is ITaggable {\n    return (construct as any).tags !== undefined;\n  }\n\n  /**\n   * The property name for tag values\n   *\n   * Normally this is `tags` but some resources choose a different name. Cognito\n   * UserPool uses UserPoolTags\n   */\n  public readonly tagPropertyName: string;\n\n  private readonly tags = new Map<string, Tag>();\n  private readonly priorities = new Map<string, number>();\n  private readonly tagFormatter: ITagFormatter;\n  private readonly resourceTypeName: string;\n  private readonly initialTagPriority = 50;\n\n  constructor(tagType: TagType, resourceTypeName: string, tagStructure?: any, options: TagManagerOptions = { }) {\n    this.resourceTypeName = resourceTypeName;\n    this.tagFormatter = TAG_FORMATTERS[tagType];\n    if (tagStructure !== undefined) {\n      this._setTag(...this.tagFormatter.parseTags(tagStructure, this.initialTagPriority));\n    }\n    this.tagPropertyName = options.tagPropertyName || 'tags';\n  }\n\n  /**\n   * Adds the specified tag to the array of tags\n   *\n   */\n  public setTag(key: string, value: string, priority = 0, applyToLaunchedInstances = true): void {\n    // This method mostly exists because we don't want to expose the 'Tag' type used (it will be confusing\n    // to users).\n    this._setTag({ key, value, priority, applyToLaunchedInstances });\n  }\n\n  /**\n   * Removes the specified tag from the array if it exists\n   *\n   * @param key The tag to remove\n   * @param priority The priority of the remove operation\n   */\n  public removeTag(key: string, priority: number): void {\n    if (priority >= (this.priorities.get(key) || 0)) {\n      this.tags.delete(key);\n      this.priorities.set(key, priority);\n    }\n  }\n\n  /**\n   * Renders tags into the proper format based on TagType\n   */\n  public renderTags(): any {\n    return this.tagFormatter.formatTags(Array.from(this.tags.values()));\n  }\n\n  /**\n   * Determine if the aspect applies here\n   *\n   * Looks at the include and exclude resourceTypeName arrays to determine if\n   * the aspect applies here\n   */\n  public applyTagAspectHere(include?: string[], exclude?: string[]) {\n    if (exclude && exclude.length > 0 && exclude.indexOf(this.resourceTypeName) !== -1) {\n      return false;\n    }\n    if (include && include.length > 0 && include.indexOf(this.resourceTypeName) === -1) {\n      return false;\n    }\n\n    return true;\n  }\n\n  /**\n   * Returns true if there are any tags defined\n   */\n  public hasTags(): boolean {\n    return this.tags.size > 0;\n  }\n\n  private _setTag(...tags: Tag[]) {\n    for (const tag of tags) {\n      if (tag.priority >= (this.priorities.get(tag.key) || 0)) {\n        this.tags.set(tag.key, tag);\n        this.priorities.set(tag.key, tag.priority);\n      }\n    }\n  }\n}\n"]}