How to use the resize-observer-polyfill/dist/ResizeObserver function in resize-observer-polyfill
To help you get started, we’ve selected a few resize-observer-polyfill examples, based on popular ways it is used in public projects.
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adobe / coral-spectrum / coral-utils / src / scripts / Commons.js View on Github 
constructor() {
// Create a Map to link elements to observe to their resize event callbacks
this._resizeObserverMap = new Map();
this._resizeObserver = new ResizeObserver((entries) => {
for (let i = 0; i < entries.length; i++) {
const observedElement = entries[i].target;
const allCallbacks = this._resizeObserverMap.get(observedElement);
if (allCallbacks) {
for (let j = 0; j < allCallbacks.length; j++) {
allCallbacks[j].call(observedElement);
}
}
}
});
const focusableElements = FOCUSABLE_ELEMENTS.slice();
this._focusableElementsSelector = focusableElements.join(',');
focusableElements.push('[tabindex]:not([tabindex="-1"])');
this._tabbableElementsSelector = focusableElements.join(':not([tabindex="-1"]),');constructor() {
// Create a Map to link elements to observe to their resize event callbacks
this._resizeObserverMap = new Map();
this._resizeObserver = new ResizeObserver((entries) => {
for (let i = 0; i < entries.length; i++) {
const observedElement = entries[i].target;
const allCallbacks = this._resizeObserverMap.get(observedElement);
if (allCallbacks) {
for (let j = 0; j < allCallbacks.length; j++) {
allCallbacks[j].call(observedElement);
}
}
}
});
const focusableElements = FOCUSABLE_ELEMENTS.slice();
this._focusableElementsSelector = focusableElements.join(',');
focusableElements.push('[tabindex]:not([tabindex="-1"])');
this._tabbableElementsSelector = focusableElements.join(':not([tabindex="-1"]),');resize-observer-polyfill
A polyfill for the Resize Observer API
