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