54 lines
No EOL
1.2 KiB
JavaScript
54 lines
No EOL
1.2 KiB
JavaScript
export var isShiftPressed = false;
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export var isCtrlPressed = false;
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export function isHtmlElement(object) {
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return object instanceof HTMLElement;
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}
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export function initHelpers() {
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document.addEventListener('keydown', event => handleKeyDown(event));
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document.addEventListener('keyup', event => handleKeyUp(event));
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}
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export function onReady(fn) {
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if (document.readyState != 'loading') {
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fn();
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} else {
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document.addEventListener('DOMContentLoaded', fn);
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}
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}
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export function assigned(obj) {
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return !(typeof obj === 'undefined' || obj === null);
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}
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function handleKeyDown(event) {
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handleKeyToggle(event, true);
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}
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function handleKeyUp(event) {
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handleKeyToggle(event, false);
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}
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function handleKeyToggle(event, isPressed) {
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if (event.key === 'Shift') {
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isShiftPressed = isPressed;
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} else if (event.key === 'Control') {
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isCtrlPressed = isPressed;
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}
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}
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export function findTextNodes(baseNode) {
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if (!assigned(baseNode)) {
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baseNode = document.documentElement;
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}
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let walker = document.createTreeWalker(baseNode, NodeFilter.SHOW_TEXT, null, false);
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let node;
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let results = [];
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while (node = walker.nextNode()) {
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results.push(node);
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}
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return results;
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} |