hongluan-ui
Version:
Hongluan Component Library for Vue 3
57 lines (55 loc) • 1.44 kB
JavaScript
let columnIdSeed = 1;
const convertCols = (originColumns) => {
let maxLevel = 1;
const traverse = (column, parent) => {
if (parent) {
column.level = parent.level + 1;
if (maxLevel < column.level) {
maxLevel = column.level;
}
}
if (column.children) {
let colSpan = 0;
column.children.forEach((subColumn) => {
traverse(subColumn, column);
colSpan += subColumn.colSpan;
});
column.colSpan = colSpan;
} else {
column.colSpan = 1;
}
};
originColumns.forEach((column) => {
column.level = 1;
column.id = `${columnIdSeed++}`;
traverse(column, void 0);
});
const rows = [];
for (let i = 0; i < maxLevel; i++) {
rows.push([]);
}
const allColumns = getAllColumns(originColumns);
allColumns.forEach((column) => {
if (!column.children) {
column.rowSpan = maxLevel - column.level + 1;
} else {
column.rowSpan = 1;
}
rows[column.level - 1].push(column);
});
return { headerRows: rows, realCols: allColumns.filter((c) => c.colSpan === 1) };
};
const getAllColumns = (columns) => {
const result = [];
columns.forEach((column) => {
if (column.children) {
result.push(column);
result.push.apply(result, getAllColumns(column.children));
} else {
result.push(column);
}
});
return result;
};
export { convertCols, getAllColumns };
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