private onDidChangeTextDocument()

in server/src/session.ts [756:783]

• 26 lines of code
• 8 McCabe index (conditional complexity)

  private onDidChangeTextDocument(params: lsp.DidChangeTextDocumentParams): void {
    const {contentChanges, textDocument} = params;
    const filePath = uriToFilePath(textDocument.uri);
    if (!filePath) {
      return;
    }
    this.openFiles.update(filePath);
    const scriptInfo = this.projectService.getScriptInfo(filePath);
    if (!scriptInfo) {
      this.error(`Failed to get script info for ${filePath}`);
      return;
    }
    for (const change of contentChanges) {
      if ('range' in change) {
        const [start, end] = lspRangeToTsPositions(scriptInfo, change.range);
        scriptInfo.editContent(start, end, change.text);
      } else {
        // New text is considered to be the full content of the document.
        scriptInfo.editContent(0, scriptInfo.getSnapshot().getLength(), change.text);
      }
    }

    const project = this.getDefaultProjectForScriptInfo(scriptInfo);
    if (!project || !project.languageServiceEnabled) {
      return;
    }
    this.requestDiagnosticsOnOpenOrChangeFile(scriptInfo.fileName, `Changing ${filePath}`);
  }