@antv/dumi-theme-antv
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AntV website theme based on dumi2.
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JavaScript
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// src/components/DataUploader.tsx
import React from 'react';
import { Upload, message, Tooltip } from 'antd';
import { useRequest } from 'ahooks';
import { useIntl } from 'dumi';
import { FileIcons } from "../../../constant";
// 定义文件元信息类型，与父组件保持一致
// 定义回调函数返回的完整数据类型
// 定义组件Props
// 新增：直接发送给AI的原始内容最大字符数阈值
var DIRECT_FEED_CHAR_THRESHOLD = 4000; // 约1k tokens，这是一个比较保守和经济的阈值
var MAX_FILE_SIZE_MB = 5;
var MAX_CONTEXT_CHARS = 5000;
var ALLOWED_FILE_TYPES = ['csv', 'json', 'tsv', 'txt'];
var MAX_LINES = 10;
// --- 辅助函数（与之前相同） ---
var formatBytes = function formatBytes(bytes) {
var decimals = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 2;
if (bytes === 0) return '0 Bytes';
var k = 1024;
var dm = decimals < 0 ? 0 : decimals;
var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
var i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
};
// 这些函数负责将文件内容转换成给AI看的摘要
function getTableSummary(content, fileType, intl) {
var lines = content.replace(/\r\n/g, '\n').split('\n');
if (lines.length === 0) return intl.formatMessage({
id: 'ai.upload.file.empty'
});
var delimiter = fileType === 'csv' ? ',' : '\t';
var header = lines[0];
// 取前MAX_LINES行有效数据作为样本
var sampleRows = lines.slice(1).filter(function (line) {
return line.trim() !== '';
}).slice(0, MAX_LINES).join('\n');
var columnCount = header.split(delimiter).length;
var rowCount = lines.filter(function (line) {
return line.trim() !== '';
}).length;
return intl.formatMessage({
id: 'ai.upload.file.table.summary'
}, {
rowCount: rowCount,
columnCount: columnCount,
header: header,
maxLines: MAX_LINES,
sampleRows: sampleRows
});
}
function getJsonSummary(data, intl) {
if (Array.isArray(data) && data.length > 0 && _typeof(data[0]) === 'object') {
var keys = Object.keys(data[0]);
var sampleData = data.slice(0, MAX_LINES).map(function (item) {
return JSON.stringify(item);
}).join('\n');
return intl.formatMessage({
id: 'ai.upload.file.json.array.summary'
}, {
dataLength: data.length,
keys: keys.join(', '),
maxLines: MAX_LINES,
sampleData: sampleData
});
}
return intl.formatMessage({
id: 'ai.upload.file.json.object.summary'
}) + '\n' + JSON.stringify(data, null, 2);
}
// --- 文件解析服务函数 ---
function parseFile(_x, _x2) {
return _parseFile.apply(this, arguments);
}
function _parseFile() {
_parseFile = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(file, intl) {
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
return _context.abrupt("return", new Promise(function (resolve, reject) {
var reader = new FileReader();
reader.onload = function (event) {
try {
var _event$target;
var fileContent = (_event$target = event.target) === null || _event$target === void 0 ? void 0 : _event$target.result;
var dataSummary;
// --- 智能策略判断 ---
if (fileContent.length <= DIRECT_FEED_CHAR_THRESHOLD) {
// 策略1：文件内容足够小，直接作为上下文
dataSummary = intl.formatMessage({
id: 'ai.upload.file.full.content'
}, {
fileContent: fileContent
});
} else {
var _file$name$split$pop2;
// 策略2：文件内容过大，执行摘要算法
var fileType = ((_file$name$split$pop2 = file.name.split('.').pop()) === null || _file$name$split$pop2 === void 0 ? void 0 : _file$name$split$pop2.toLowerCase()) || '';
if (fileType === 'json') {
var jsonData = JSON.parse(fileContent);
dataSummary = getJsonSummary(jsonData, intl);
} else if (['csv', 'tsv', 'txt'].includes(fileType)) {
dataSummary = getTableSummary(fileContent, fileType, intl);
} else {
reject(new Error(intl.formatMessage({
id: 'ai.upload.file.parse.type.error'
})));
return;
}
if (dataSummary.length > MAX_CONTEXT_CHARS) {
dataSummary = dataSummary.substring(0, MAX_CONTEXT_CHARS) + "\n" + intl.formatMessage({
id: 'ai.upload.file.summary.truncated'
});
}
}
resolve({
dataSummary: dataSummary,
fileMeta: {
type: 'FILE',
fileName: file.name,
fileSize: formatBytes(file.size)
}
});
} catch (e) {
reject(new Error(intl.formatMessage({
id: 'ai.upload.file.parse.error'
})));
}
};
reader.onerror = function () {
return reject(new Error(intl.formatMessage({
id: 'ai.upload.file.read.error'
})));
};
reader.readAsText(file);
}));
case 1:
case "end":
return _context.stop();
}
}, _callee);
}));
return _parseFile.apply(this, arguments);
}
export var DataUploader = function DataUploader(_ref) {
var onDataAnalyzed = _ref.onDataAnalyzed,
isCompact = _ref.isCompact,
tooltipText = _ref.tooltipText;
var intl = useIntl();
var _useRequest = useRequest(function (file) {
return parseFile(file, intl);
}, {
manual: true,
onSuccess: function onSuccess(result) {
// message.success(`${result.fileMeta?.fileName} 分析成功！`);
onDataAnalyzed(result);
},
onError: function onError(e) {
message.error(e.message);
// 如果解析失败，也需要通知父组件清空数据
onDataAnalyzed({
fileMeta: null,
dataSummary: ''
});
}
}),
runParse = _useRequest.run,
loading = _useRequest.loading;
var uploadProps = {
showUploadList: false,
// 我们用自己的DatasourceCard来回显，所以隐藏默认列表
accept: ALLOWED_FILE_TYPES.map(function (ext) {
return ".".concat(ext);
}).join(','),
beforeUpload: function beforeUpload(file) {
var _file$name$split$pop;
var fileExtension = ((_file$name$split$pop = file.name.split('.').pop()) === null || _file$name$split$pop === void 0 ? void 0 : _file$name$split$pop.toLowerCase()) || '';
if (!ALLOWED_FILE_TYPES.includes(fileExtension)) {
message.error(intl.formatMessage({
id: 'ai.upload.file.type.error'
}, {
types: ALLOWED_FILE_TYPES.join(', ')
}));
return Upload.LIST_IGNORE;
}
if (file.size / 1024 / 1024 > MAX_FILE_SIZE_MB) {
message.error(intl.formatMessage({
id: 'ai.upload.file.size.error'
}, {
size: MAX_FILE_SIZE_MB
}));
return Upload.LIST_IGNORE;
}
runParse(file);
return false; // 总是返回 false 来手动控制
}
};
return /*#__PURE__*/React.createElement(Tooltip, {
title: isCompact ? "".concat(intl.formatMessage({
id: 'ai.upload.data'
}), "\u3002").concat(tooltipText) : tooltipText
}, /*#__PURE__*/React.createElement(Upload, uploadProps, /*#__PURE__*/React.createElement("button", {
type: "button",
disabled: loading
}, loading ? intl.formatMessage({
id: 'ai.upload.analyzing'
}) : /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("img", {
src: FileIcons.FILE,
alt: "file-icon"
}), " ", !isCompact && intl.formatMessage({
id: 'ai.upload.data'
})))));
};