80 lines
3.7 KiB
JavaScript
80 lines
3.7 KiB
JavaScript
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"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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var _typeof = require("@babel/runtime/helpers/typeof");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = useWidthColumns;
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var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
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var React = _interopRequireWildcard(require("react"));
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function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
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function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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function parseColWidth(totalWidth) {
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var width = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
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if (typeof width === 'number') {
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return width;
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}
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if (width.endsWith('%')) {
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return totalWidth * parseFloat(width) / 100;
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}
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return null;
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}
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/**
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* Fill all column with width
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*/
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function useWidthColumns(flattenColumns, scrollWidth, clientWidth) {
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return React.useMemo(function () {
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// Fill width if needed
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if (scrollWidth && scrollWidth > 0) {
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var totalWidth = 0;
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var missWidthCount = 0;
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// collect not given width column
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flattenColumns.forEach(function (col) {
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var colWidth = parseColWidth(scrollWidth, col.width);
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if (colWidth) {
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totalWidth += colWidth;
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} else {
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missWidthCount += 1;
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}
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});
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// Fill width
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var restWidth = Math.max(scrollWidth - totalWidth, missWidthCount);
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var restCount = missWidthCount;
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var avgWidth = restWidth / missWidthCount;
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var realTotal = 0;
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var filledColumns = flattenColumns.map(function (col) {
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var clone = (0, _objectSpread2.default)({}, col);
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var colWidth = parseColWidth(scrollWidth, clone.width);
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if (colWidth) {
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clone.width = colWidth;
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} else {
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var colAvgWidth = Math.floor(avgWidth);
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clone.width = restCount === 1 ? restWidth : colAvgWidth;
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restWidth -= colAvgWidth;
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restCount -= 1;
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}
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realTotal += clone.width;
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return clone;
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});
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var maxFitWidth = Math.max(scrollWidth, clientWidth);
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// If realTotal is less than clientWidth,
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// We need extend column width
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if (realTotal < maxFitWidth) {
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var scale = maxFitWidth / realTotal;
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restWidth = maxFitWidth;
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filledColumns.forEach(function (col, index) {
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var colWidth = Math.floor(col.width * scale);
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col.width = index === filledColumns.length - 1 ? restWidth : colWidth;
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restWidth -= colWidth;
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});
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}
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return [filledColumns, Math.max(realTotal, maxFitWidth)];
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}
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return [flattenColumns, scrollWidth];
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}, [flattenColumns, scrollWidth, clientWidth]);
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}
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