public async validate()

in server/aws-lsp-codewhisperer/src/language-server/agenticChat/tools/fsWrite.ts [55:97]

• 43 lines of code
• 13 McCabe index (conditional complexity)

    public async validate(params: FsWriteParams): Promise<void> {
        if (!params.path) {
            throw new Error('Path must not be empty')
        }
        const sanitizedPath = sanitize(params.path)
        switch (params.command) {
            case 'create': {
                if (params.fileText === undefined) {
                    throw new Error('fileText must be provided for create command')
                }
                const fileExists = await this.workspace.fs.exists(sanitizedPath)
                if (fileExists) {
                    const oldContent = await this.workspace.fs.readFile(sanitizedPath)
                    if (oldContent === params.fileText) {
                        throw new Error('The file already exists with the same content')
                    }
                }
                break
            }
            case 'strReplace': {
                if (params.oldStr === params.newStr) {
                    throw new Error('The provided oldStr and newStr are the exact same, this is a no-op')
                }
                const fileExists = await this.workspace.fs.exists(sanitizedPath)
                if (!fileExists) {
                    throw new Error('The provided path must exist in order to replace contents into it')
                }
                break
            }
            case 'insert': {
                const fileExists = await this.workspace.fs.exists(sanitizedPath)
                if (!fileExists) {
                    throw new Error('The provided path must exist in order to insert contents into it')
                }
                break
            }
            case 'append':
                if (!params.newStr) {
                    throw new Error('Content to append must not be empty')
                }
                break
        }
    }