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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var vue = require('vue');
function useLayoutObserver(root) {
const instance = vue.getCurrentInstance();
vue.onBeforeMount(() => {
tableLayout.value.addObserver(instance);
});
vue.onMounted(() => {
onColumnsChange(tableLayout.value);
onScrollableChange(tableLayout.value);
});
vue.onUpdated(() => {
onColumnsChange(tableLayout.value);
onScrollableChange(tableLayout.value);
});
vue.onUnmounted(() => {
tableLayout.value.removeObserver(instance);
});
const tableLayout = vue.computed(() => {
const layout = root.layout;
if (!layout) {
throw new Error("Can not find table layout.");
}
return layout;
});
const onColumnsChange = (layout) => {
var _a;
const cols = ((_a = root.vnode.el) == null ? void 0 : _a.querySelectorAll("colgroup > col")) || [];
if (!cols.length)
return;
const flattenColumns = layout.getFlattenColumns();
const columnsMap = {};
flattenColumns.forEach((column) => {
columnsMap[column.id] = column;
});
for (let i = 0, j = cols.length; i < j; i++) {
const col = cols[i];
const name = col.getAttribute("name");
const column = columnsMap[name];
if (column) {
col.setAttribute("width", column.realWidth || column.width);
}
}
};
const onScrollableChange = (layout) => {
var _a, _b;
const cols = ((_a = root.vnode.el) == null ? void 0 : _a.querySelectorAll("colgroup > col[name=gutter]")) || [];
for (let i = 0, j = cols.length; i < j; i++) {
const col = cols[i];
col.setAttribute("width", layout.scrollY.value ? layout.gutterWidth : "0");
}
const ths = ((_b = root.vnode.el) == null ? void 0 : _b.querySelectorAll("th.gutter")) || [];
for (let i = 0, j = ths.length; i < j; i++) {
const th = ths[i];
th.style.width = layout.scrollY.value ? `${layout.gutterWidth}px` : "0";
th.style.display = layout.scrollY.value ? "" : "none";
}
};
return {
tableLayout: tableLayout.value,
onColumnsChange,
onScrollableChange
};
}
exports["default"] = useLayoutObserver;
//# sourceMappingURL=layout-observer.js.map