分离部分工具函数

packages/artplayer/src/utils/dom.js

@@ -0,0 +1,51 @@
+export function append(parent, child) {
+    if (child instanceof Element) {
+        parent.appendChild(child);
+    } else {
+        parent.insertAdjacentHTML('beforeend', child);
+    }
+    return parent.lastElementChild;
+}
+
+export function insertByIndex(parent, child, index) {
+    const childs = Array.from(parent.children);
+    child.dataset.index = index;
+    const nextChild = childs.find(item => Number(item.dataset.index) >= Number(index));
+    if (nextChild) {
+        nextChild.insertAdjacentElement('beforebegin', child);
+    } else {
+        append(parent, child);
+    }
+    return child;
+}
+
+export function setStyle(element, key, value) {
+    element.style[key] = value;
+    return element;
+}
+
+export function setStyles(element, styles) {
+    Object.keys(styles).forEach(key => {
+        setStyle(element, key, styles[key]);
+    });
+    return element;
+}
+
+export function getStyle(element, key, numberType = true) {
+    const value = window.getComputedStyle(element, null).getPropertyValue(key);
+    return numberType ? parseFloat(value) : value;
+}
+
+export function sublings(target) {
+    return Array.from(target.parentElement.children).filter(item => item !== target);
+}
+
+export function inverseClass(target, className) {
+    sublings(target).forEach(item => item.classList.remove(className));
+    target.classList.add(className);
+}
+
+export function tooltip(target, msg, pos = 'up') {
+    target.setAttribute('data-balloon', msg);
+    target.setAttribute('data-balloon-pos', pos);
+}