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The opening delimiter\r\n * can also specify a language for a syntax highlighter.\r\n */\r\nexport class DocFencedCode extends DocNode {\r\n  // The opening ``` delimiter and padding\r\n  private readonly _openingFenceExcerpt: DocExcerpt | undefined;\r\n\r\n  private readonly _spacingAfterOpeningFenceExcerpt: DocExcerpt | undefined;\r\n\r\n  // The optional language string\r\n  private _language: string | undefined;\r\n  private readonly _languageExcerpt: DocExcerpt | undefined;\r\n\r\n  private readonly _spacingAfterLanguageExcerpt: DocExcerpt | undefined;\r\n\r\n  // The code content\r\n  private _code: string | undefined;\r\n  private readonly _codeExcerpt: DocExcerpt | undefined;\r\n\r\n  // The closing ``` delimiter and padding\r\n  private readonly _spacingBeforeClosingFenceExcerpt: DocExcerpt | undefined;\r\n\r\n  private readonly _closingFenceExcerpt: DocExcerpt | undefined;\r\n\r\n  private readonly _spacingAfterClosingFenceExcerpt: DocExcerpt | undefined;\r\n\r\n  /**\r\n   * Don't call this directly.  Instead use {@link TSDocParser}\r\n   * @internal\r\n   */\r\n  public constructor(parameters: IDocFencedCodeParameters | IDocFencedCodeParsedParameters) {\r\n    super(parameters);\r\n\r\n    if (DocNode.isParsedParameters(parameters)) {\r\n      this._openingFenceExcerpt = new DocExcerpt({\r\n        configuration: this.configuration,\r\n        excerptKind: ExcerptKind.FencedCode_OpeningFence,\r\n        content: parameters.openingFenceExcerpt\r\n      });\r\n      if (parameters.spacingAfterOpeningFenceExcerpt) {\r\n        this._spacingAfterOpeningFenceExcerpt = new DocExcerpt({\r\n          configuration: this.configuration,\r\n          excerptKind: ExcerptKind.Spacing,\r\n          content: parameters.spacingAfterOpeningFenceExcerpt\r\n        });\r\n      }\r\n\r\n      if (parameters.languageExcerpt) {\r\n        this._languageExcerpt = new DocExcerpt({\r\n          configuration: this.configuration,\r\n          excerptKind: ExcerptKind.FencedCode_Language,\r\n          content: parameters.languageExcerpt\r\n        });\r\n      }\r\n      if (parameters.spacingAfterLanguageExcerpt) {\r\n        this._spacingAfterLanguageExcerpt = new DocExcerpt({\r\n          configuration: this.configuration,\r\n          excerptKind: ExcerptKind.Spacing,\r\n          content: parameters.spacingAfterLanguageExcerpt\r\n        });\r\n      }\r\n\r\n      this._codeExcerpt = new DocExcerpt({\r\n        configuration: this.configuration,\r\n        excerptKind: ExcerptKind.FencedCode_Code,\r\n        content: parameters.codeExcerpt\r\n      });\r\n\r\n      if (parameters.spacingBeforeClosingFenceExcerpt) {\r\n        this._spacingBeforeClosingFenceExcerpt = new DocExcerpt({\r\n          configuration: this.configuration,\r\n          excerptKind: ExcerptKind.Spacing,\r\n          content: parameters.spacingBeforeClosingFenceExcerpt\r\n        });\r\n      }\r\n      this._closingFenceExcerpt = new DocExcerpt({\r\n        configuration: this.configuration,\r\n        excerptKind: ExcerptKind.FencedCode_ClosingFence,\r\n        content: parameters.closingFenceExcerpt\r\n      });\r\n      if (parameters.spacingAfterClosingFenceExcerpt) {\r\n        this._spacingAfterClosingFenceExcerpt = new DocExcerpt({\r\n          configuration: this.configuration,\r\n          excerptKind: ExcerptKind.Spacing,\r\n          content: parameters.spacingAfterClosingFenceExcerpt\r\n        });\r\n      }\r\n    } else {\r\n      this._code = parameters.code;\r\n      this._language = parameters.language;\r\n    }\r\n  }\r\n\r\n  /** @override */\r\n  public get kind(): DocNodeKind | string {\r\n    return DocNodeKind.FencedCode;\r\n  }\r\n\r\n  /**\r\n   * A name that can optionally be included after the opening code fence delimiter,\r\n   * on the same line as the three backticks.  This name indicates the programming language\r\n   * for the code, which a syntax highlighter may use to style the code block.\r\n   *\r\n   * @remarks\r\n   * The TSDoc standard requires that the language \"ts\" should be interpreted to mean TypeScript.\r\n   * Other languages names may be supported, but this is implementation dependent.\r\n   *\r\n   * CommonMark refers to this field as the \"info string\".\r\n   *\r\n   * @privateRemarks\r\n   * Examples of language strings supported by GitHub flavored markdown:\r\n   * https://raw.githubusercontent.com/github/linguist/master/lib/linguist/languages.yml\r\n   */\r\n  public get language(): string | 'ts' | '' {\r\n    if (this._language === undefined) {\r\n      if (this._languageExcerpt !== undefined) {\r\n        this._language = this._languageExcerpt.content.toString();\r\n      } else {\r\n        this._language = '';\r\n      }\r\n    }\r\n    return this._language;\r\n  }\r\n\r\n  /**\r\n   * The text that should be rendered as code.\r\n   */\r\n  public get code(): string {\r\n    if (this._code === undefined) {\r\n      if (this._codeExcerpt !== undefined) {\r\n        this._code = this._codeExcerpt.content.toString();\r\n      }\r\n    }\r\n    return this._code!;\r\n  }\r\n\r\n  /** @override */\r\n  protected onGetChildNodes(): ReadonlyArray<DocNode | undefined> {\r\n    return [\r\n      this._openingFenceExcerpt,\r\n      this._spacingAfterOpeningFenceExcerpt,\r\n\r\n      this._languageExcerpt,\r\n      this._spacingAfterLanguageExcerpt,\r\n\r\n      this._codeExcerpt,\r\n\r\n      this._spacingBeforeClosingFenceExcerpt,\r\n      this._closingFenceExcerpt,\r\n      this._spacingAfterClosingFenceExcerpt\r\n    ];\r\n  }\r\n}\r\n"]}