Files
FastGPT/packages/global/common/file/tools.ts
Theresa 2d3117c5da feat: update ESLint config with @typescript-eslint/consistent-type-imports (#4746)
* update: Add type

* fix: update import statement for NextApiRequest type

* fix: update imports to use type for LexicalEditor and EditorState

* Refactor imports to use 'import type' for type-only imports across multiple files

- Updated imports in various components and API files to use 'import type' for better clarity and to optimize TypeScript's type checking.
- Ensured consistent usage of type imports in files related to chat, dataset, workflow, and user management.
- Improved code readability and maintainability by distinguishing between value and type imports.

* refactor: remove old ESLint configuration and add new rules

- Deleted the old ESLint configuration file from the app project.
- Added a new ESLint configuration file with updated rules and settings.
- Changed imports to use type-only imports in various files for better clarity and performance.
- Updated TypeScript configuration to remove unnecessary options.
- Added an ESLint ignore file to exclude build and dependency directories from linting.

* fix: update imports to use 'import type' for type-only imports in schema files
2025-05-06 17:33:09 +08:00

88 lines
2.5 KiB
TypeScript

import { detect } from 'jschardet';
import { documentFileType } from './constants';
import { ChatFileTypeEnum } from '../../core/chat/constants';
import { type UserChatItemValueItemType } from '../../core/chat/type';
import * as fs from 'fs';
export const formatFileSize = (bytes: number): string => {
if (bytes === 0) return '0 B';
const k = 1024;
const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
};
export const detectFileEncoding = (buffer: Buffer) => {
return detect(buffer.slice(0, 200))?.encoding?.toLocaleLowerCase();
};
export const detectFileEncodingByPath = async (path: string) => {
// Get 64KB file head
const MAX_BYTES = 64 * 1024;
const buffer = Buffer.alloc(MAX_BYTES);
const fd = await fs.promises.open(path, 'r');
try {
// Read file head
// @ts-ignore
const { bytesRead } = await fd.read(buffer, 0, MAX_BYTES, 0);
const actualBuffer = buffer.slice(0, bytesRead);
return detect(actualBuffer)?.encoding?.toLocaleLowerCase();
} finally {
await fd.close();
}
};
// Url => user upload file type
export const parseUrlToFileType = (url: string): UserChatItemValueItemType['file'] | undefined => {
if (typeof url !== 'string') return;
// Handle base64 image
if (url.startsWith('data:')) {
const matches = url.match(/^data:([^;]+);base64,/);
if (!matches) return;
const mimeType = matches[1].toLowerCase();
if (!mimeType.startsWith('image/')) return;
const extension = mimeType.split('/')[1];
return {
type: ChatFileTypeEnum.image,
name: `image.${extension}`,
url
};
}
try {
const parseUrl = new URL(url, 'https://localhost:3000');
// Get filename from URL
const filename = parseUrl.searchParams.get('filename') || parseUrl.pathname.split('/').pop();
const extension = filename?.split('.').pop()?.toLowerCase() || '';
// If it's a document type, return as file, otherwise treat as image
if (extension && documentFileType.includes(extension)) {
return {
type: ChatFileTypeEnum.file,
name: filename || 'null',
url
};
}
// Default to image type for non-document files
return {
type: ChatFileTypeEnum.image,
name: filename || 'null.png',
url
};
} catch (error) {
return {
type: ChatFileTypeEnum.image,
name: 'invalid.png',
url
};
}
};