odin-javascript-exercises/node_modules/table/dist/calculateMaximumColumnWidthIndex.js
2017-12-15 12:56:14 -06:00

41 lines
No EOL
1 KiB
JavaScript

'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _lodash = require('lodash');
var _lodash2 = _interopRequireDefault(_lodash);
var _calculateCellWidthIndex = require('./calculateCellWidthIndex');
var _calculateCellWidthIndex2 = _interopRequireDefault(_calculateCellWidthIndex);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Produces an array of values that describe the largest value length (width) in every column.
*
* @param {Array[]} rows
* @returns {number[]}
*/
exports.default = rows => {
if (!rows[0]) {
throw new Error('Dataset must have at least one row.');
}
const columns = _lodash2.default.fill(Array(rows[0].length), 0);
_lodash2.default.forEach(rows, row => {
const columnWidthIndex = (0, _calculateCellWidthIndex2.default)(row);
_lodash2.default.forEach(columnWidthIndex, (valueWidth, index0) => {
if (columns[index0] < valueWidth) {
columns[index0] = valueWidth;
}
});
});
return columns;
};