read-excel-file
Version:
Read small to medium `*.xlsx` files in a browser or Node.js. Parse to JSON with a strict schema.
42 lines (41 loc) • 2.88 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = parseDimensions;
var _coordinates = require("./coordinates.js");
var _xlsx = require("../xml/xlsx.js");
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
// `dimensions` defines the spreadsheet area containing all non-empty cells.
// https://docs.microsoft.com/en-us/dotnet/api/documentformat.openxml.spreadsheet.sheetdimension?view=openxml-2.8.1
function parseDimensions(sheet) {
var dimensions = (0, _xlsx.getDimensions)(sheet);
if (dimensions) {
dimensions = dimensions.split(':').map(_coordinates.parseCellCoordinates).map(function (_ref) {
var _ref2 = _slicedToArray(_ref, 2),
row = _ref2[0],
column = _ref2[1];
return {
row: row,
column: column
};
});
// Sometimes there can be just a single cell as a spreadsheet's "dimensions".
// For example, the default "dimensions" in Apache POI library is "A1",
// meaning that only the first cell in the spreadsheet is used.
//
// A quote from Apache POI library:
// "Single cell ranges are formatted like single cell references (e.g. 'A1' instead of 'A1:A1')."
//
if (dimensions.length === 1) {
dimensions = [dimensions[0], dimensions[0]];
}
return dimensions;
}
}
//# sourceMappingURL=parseDimensions.js.map