Fix incorrect return value comparisons
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parent
f0eb6b2688
commit
e16870a638
1 changed files with 12 additions and 13 deletions
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@ -4,20 +4,14 @@ class ModalHandler {
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}
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static getModalContainer() {
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let container = document.getElementById("modal-container");
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if (container === undefined) {
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return;
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}
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return container;
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return document.getElementById("modal-container");
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}
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static getFocusableElements() {
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let container = this.getModalContainer();
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if (container === undefined) {
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return;
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if (container === null) {
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return null;
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}
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return container.querySelectorAll('button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])');
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@ -26,7 +20,7 @@ class ModalHandler {
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static setupFocusTrap() {
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let focusableElements = this.getFocusableElements();
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if (focusableElements === undefined) {
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if (focusableElements === null) {
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return;
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}
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@ -81,10 +75,15 @@ class ModalHandler {
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if (initialFocusElementId !== undefined) {
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initialFocusElement = document.getElementById(initialFocusElementId);
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} else {
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initialFocusElement = this.getFocusableElements()[0];
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let focusableElements = this.getFocusableElements();
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if (focusableElements !== null) {
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initialFocusElement = focusableElements[0];
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}
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}
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initialFocusElement.focus();
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if (initialFocusElement !== undefined) {
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initialFocusElement.focus();
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}
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this.setupFocusTrap();
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}
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@ -95,7 +94,7 @@ class ModalHandler {
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container.parentNode.removeChild(container);
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}
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if (this.activeElement !== undefined) {
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if (this.activeElement !== undefined && this.activeElement !== null) {
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this.activeElement.focus();
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}
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}
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