@tableau/taco-toolkit
Version:
Tableau Connector Toolkit
82 lines • 6.1 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
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if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ExcelTacoParser = void 0;
var fs_1 = __importDefault(require("fs"));
var eps_logger_1 = require("../../../logging/eps-logger");
var excel_utils_1 = require("../../../sandbox/sdk/parser-utils/excel-utils");
var ExcelTacoParser = /** @class */ (function () {
function ExcelTacoParser(tempDataManager, extractorId, filename) {
this.tempDataManager = tempDataManager;
this.extractorId = extractorId;
this.filename = filename;
}
ExcelTacoParser.prototype.parse = function () {
return __awaiter(this, void 0, void 0, function () {
var filePath, buffer, fileSizeinMB, tables;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
eps_logger_1.Logger.info('ExcelTacoParser.parse() started');
filePath = this.tempDataManager.getTempDataFilePath(this.extractorId, this.filename);
return [4 /*yield*/, fs_1.default.promises.readFile(filePath)
// if buffer size is larger than 500 MB limit, we throw error
// due to xlsx parser limitation
];
case 1:
buffer = _a.sent();
fileSizeinMB = buffer.byteLength / (1024 * 1024);
if (fileSizeinMB > 500) {
throw new Error("ExcelTacoParser.parse(): Excel file size is ".concat(fileSizeinMB, " which is larger than 500 MB"));
}
return [4 /*yield*/, (0, excel_utils_1.parse)(buffer)];
case 2:
tables = _a.sent();
eps_logger_1.Logger.info('ExcelTacoParser.parse() done');
return [2 /*return*/, tables];
}
});
});
};
return ExcelTacoParser;
}());
exports.ExcelTacoParser = ExcelTacoParser;
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