gnezim
58 lines
2.4 KiB
JavaScript
58 lines
2.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var solver_1 = require("./solver");
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var all_affected_1 = require("./utils/all-affected");
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var DOMutils_1 = require("./utils/DOMutils");
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var firstFocus_1 = require("./utils/firstFocus");
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var is_1 = require("./utils/is");
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var parenting_1 = require("./utils/parenting");
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var findAutoFocused = function (autoFocusables) { return function (node) {
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return node.autofocus || (node.dataset && !!node.dataset.autofocus) || autoFocusables.indexOf(node) >= 0;
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}; };
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var reorderNodes = function (srcNodes, dstNodes) {
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var remap = new Map();
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dstNodes.forEach(function (entity) { return remap.set(entity.node, entity); });
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return srcNodes.map(function (node) { return remap.get(node); }).filter(is_1.isDefined);
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};
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exports.getFocusMerge = function (topNode, lastNode) {
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var activeElement = (document && document.activeElement);
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var entries = all_affected_1.getAllAffectedNodes(topNode).filter(is_1.isNotAGuard);
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var commonParent = parenting_1.getTopCommonParent(activeElement || topNode, topNode, entries);
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var anyFocusable = DOMutils_1.getAllTabbableNodes(entries);
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var innerElements = DOMutils_1.getTabbableNodes(entries).filter(function (_a) {
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var node = _a.node;
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return is_1.isNotAGuard(node);
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});
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if (!innerElements[0]) {
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innerElements = anyFocusable;
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if (!innerElements[0]) {
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return undefined;
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}
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}
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var outerNodes = DOMutils_1.getAllTabbableNodes([commonParent]).map(function (_a) {
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var node = _a.node;
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return node;
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});
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var orderedInnerElements = reorderNodes(outerNodes, innerElements);
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var innerNodes = orderedInnerElements.map(function (_a) {
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var node = _a.node;
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return node;
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});
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var newId = solver_1.newFocus(innerNodes, outerNodes, activeElement, lastNode);
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if (newId === solver_1.NEW_FOCUS) {
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var autoFocusable = anyFocusable
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.map(function (_a) {
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var node = _a.node;
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return node;
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})
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.filter(findAutoFocused(parenting_1.allParentAutofocusables(entries)));
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return {
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node: autoFocusable && autoFocusable.length ? firstFocus_1.pickFirstFocus(autoFocusable) : firstFocus_1.pickFirstFocus(innerNodes),
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};
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}
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if (newId === undefined) {
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return newId;
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}
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return orderedInnerElements[newId];
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};
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