FastGPT/src/utils/tools.ts
2023-03-25 01:40:15 +08:00

127 lines
3.5 KiB
TypeScript

import crypto from 'crypto';
import { useToast } from '@/hooks/useToast';
import mammoth from 'mammoth';
/**
* copy text data
*/
export const useCopyData = () => {
const { toast } = useToast();
return {
copyData: async (data: string, title: string = '复制成功') => {
try {
if (navigator.clipboard) {
await navigator.clipboard.writeText(data);
} else {
const textarea = document.createElement('textarea');
textarea.value = data;
document.body.appendChild(textarea);
textarea.select();
document.execCommand('copy');
document.body.removeChild(textarea);
}
toast({
title,
status: 'success',
duration: 1000
});
} catch (error) {
console.log('error->', error);
toast({
title: '复制失败',
status: 'error'
});
}
}
};
};
export const createHashPassword = (text: string) => {
const hash = crypto.createHash('sha256').update(text).digest('hex');
return hash;
};
export const Obj2Query = (obj: Record<string, string | number>) => {
const queryParams = new URLSearchParams();
for (const key in obj) {
queryParams.append(key, `${obj[key]}`);
}
return queryParams.toString();
};
/**
* 读取 txt 文件内容
*/
export const readTxtContent = (file: File) => {
return new Promise((resolve: (_: string) => void, reject) => {
const reader = new FileReader();
reader.onload = () => {
resolve(reader.result as string);
};
reader.onerror = (err) => {
console.log('error txt read:', err);
reject('读取 txt 文件失败');
};
reader.readAsText(file);
});
};
/**
* 读取 pdf 内容
*/
export const readPdfContent = (file: File) =>
new Promise<string>((resolve, reject) => {
const pdfjsLib = window['pdfjs-dist/build/pdf'];
pdfjsLib.workerSrc = '/js/pdf.worker.js';
const readPDFPage = async (doc: any, pageNo: number) => {
const page = await doc.getPage(pageNo);
const tokenizedText = await page.getTextContent();
const pageText = tokenizedText.items.map((token: any) => token.str).join('');
return pageText.replaceAll(/\s+/g, '\n');
};
let reader = new FileReader();
reader.readAsArrayBuffer(file);
reader.onload = async (event) => {
if (!event?.target?.result) return reject('解析 PDF 失败');
try {
const doc = await pdfjsLib.getDocument(event.target.result).promise;
const pageTextPromises = [];
for (let pageNo = 1; pageNo <= doc.numPages; pageNo++) {
pageTextPromises.push(readPDFPage(doc, pageNo));
}
const pageTexts = await Promise.all(pageTextPromises);
resolve(pageTexts.join('\n'));
} catch (err) {
console.log(err, 'pdfjs error');
reject('解析 PDF 失败');
}
};
reader.onerror = (err) => {
console.log(err, 'reader error');
reject('解析 PDF 失败');
};
});
/**
* 读取doc
*/
export const readDocContent = (file: File) =>
new Promise<string>((resolve, reject) => {
const reader = new FileReader();
reader.readAsArrayBuffer(file);
reader.onload = ({ target }) => {
if (!target?.result) return reject('读取 doc 文件失败');
return mammoth.extractRawText({ arrayBuffer: target.result as ArrayBuffer }).then((res) => {
resolve(res.value);
});
};
reader.onerror = (err) => {
console.log('error doc read:', err);
reject('读取 doc 文件失败');
};
});