20 lines
729 B
TypeScript
20 lines
729 B
TypeScript
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import { Controller, Logger, Post, UploadedFile, UseInterceptors } from '@nestjs/common';
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import { FileInterceptor } from '@nestjs/platform-express';
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import { readFile, utils } from 'xlsx';
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@Controller('sheetjs')
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export class SheetjsController {
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private readonly logger = new Logger(SheetjsController.name);
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@Post('upload-xlsx-file')
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@UseInterceptors(FileInterceptor('file'))
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async uploadXlsxFile(@UploadedFile() file: Express.Multer.File) {
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// Open the uploaded XLSX file and perform SheetJS operations
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const workbook = readFile(file.path);
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const firstSheet = workbook.Sheets[workbook.SheetNames[0]];
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const output = utils.sheet_to_csv(firstSheet);
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this.logger.log(output);
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return output;
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}
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}
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