gulpfile.ts

import gulp, { watch } from 'gulp';
import { echo, exec, exit } from 'shelljs';
const IMPORT_FILE_PATH = './excels/go-tips.csv';
const EXPORT_FILE_PATH = './out/tips.json';
const importCmd = `mongoimport -d go -c tips --type csv --file ${IMPORT_FILE_PATH} --columnsHaveTypes --headerline --drop --maintainInsertionOrder`;
const exportCmd = `mongoexport -d go -c tips -o ${EXPORT_FILE_PATH} --jsonArray`;

function importCSV(cb: (param?: any) => void) {
	if (exec(importCmd).code !== 0) {
		echo('Error: 引入表格错误');
		exit(1);
	}
	cb();
}

function exportJson(cb: (param?: any) => void) {
	if (exec(exportCmd).code !== 0) {
		echo('Error: 导出表格错误');
		exit(1);
	}
	cb();
}

function watchCSV() {
	watch('./excels/go-tips.csv', gulp.series([importCSV, exportJson]));
}

export default function () {
	watchCSV();
}