@tableau/taco-toolkit
Version:
Tableau Connector Toolkit
132 lines • 8.38 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.parse = exports.ExcelUtilsPlugin = void 0;
var xlsx = __importStar(require("xlsx"));
var column_header_property_1 = require("../../../../shared/enums/column-header-property");
var data_table_1 = require("../../../../shared/types/data-table");
var sandbox_plugin_1 = require("../sandbox-plugin");
var ExcelUtilsPlugin = /** @class */ (function (_super) {
__extends(ExcelUtilsPlugin, _super);
function ExcelUtilsPlugin() {
return _super !== null && _super.apply(this, arguments) || this;
}
ExcelUtilsPlugin.prototype.registerClass = function (sandbox) {
var methods = [
{
isStatic: true,
externalName: 'parse',
functionRef: parse,
},
];
(0, sandbox_plugin_1.addClassToSandbox)(sandbox, methods, 'ExcelUtils');
};
return ExcelUtilsPlugin;
}(sandbox_plugin_1.SandboxPlugin));
exports.ExcelUtilsPlugin = ExcelUtilsPlugin;
function parse(data) {
console.log('In ExcelUtils parse');
return new Promise(function (resolve, reject) {
try {
var workbook_1 = xlsx.read(Buffer.from(data));
// Iterate through sheets and create tables for each
var tables_1 = [];
workbook_1.SheetNames.forEach(function (sheetName) {
var _a;
var table = (0, data_table_1.createDataTable)(sheetName);
tables_1.push(table);
var worksheet = workbook_1.Sheets[sheetName];
if (!worksheet) {
throw new Error("Sheet '".concat(sheetName, "' is not parsed properly."));
}
// By sending defval we are forcing sheet_to_json to include empty cells in the json
var sheetRows = xlsx.utils.sheet_to_json(worksheet, { defval: null });
if (sheetRows.length === 0) {
return;
}
// For each sheet, determine headers as the top row, and associate values accordingly
var columns = Object.keys(sheetRows[0])
.filter(function (header) { return header.length > 0; })
.map(function (header) {
return { id: header, dataType: column_header_property_1.DataType.String };
});
(_a = table.columns).push.apply(_a, __spreadArray([], __read(columns), false));
sheetRows.forEach(function (row) {
var dataRow = {};
columns.forEach(function (header) {
dataRow[header.id] = row[header.id];
});
table.rows.push(dataRow);
});
});
resolve(tables_1);
}
catch (err) {
reject(err);
}
});
}
exports.parse = parse;
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