first commit

node_modules/vant/lib/lazyload/vue-lazyload/lazy-container.js

@@ -0,0 +1,91 @@
+var __defProp = Object.defineProperty;
+var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
+var __getOwnPropNames = Object.getOwnPropertyNames;
+var __hasOwnProp = Object.prototype.hasOwnProperty;
+var __export = (target, all) => {
+  for (var name in all)
+    __defProp(target, name, { get: all[name], enumerable: true });
+};
+var __copyProps = (to, from, except, desc) => {
+  if (from && typeof from === "object" || typeof from === "function") {
+    for (let key of __getOwnPropNames(from))
+      if (!__hasOwnProp.call(to, key) && key !== except)
+        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
+  }
+  return to;
+};
+var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
+var stdin_exports = {};
+__export(stdin_exports, {
+  default: () => LazyContainerManager
+});
+module.exports = __toCommonJS(stdin_exports);
+var import_util = require("./util");
+const defaultOptions = {
+  selector: "img"
+};
+class LazyContainer {
+  constructor({ el, binding, vnode, lazy }) {
+    this.el = null;
+    this.vnode = vnode;
+    this.binding = binding;
+    this.options = {};
+    this.lazy = lazy;
+    this.queue = [];
+    this.update({ el, binding });
+  }
+  update({ el, binding }) {
+    this.el = el;
+    this.options = Object.assign({}, defaultOptions, binding.value);
+    const imgs = this.getImgs();
+    imgs.forEach((el2) => {
+      this.lazy.add(
+        el2,
+        Object.assign({}, this.binding, {
+          value: {
+            src: "dataset" in el2 ? el2.dataset.src : el2.getAttribute("data-src"),
+            error: ("dataset" in el2 ? el2.dataset.error : el2.getAttribute("data-error")) || this.options.error,
+            loading: ("dataset" in el2 ? el2.dataset.loading : el2.getAttribute("data-loading")) || this.options.loading
+          }
+        }),
+        this.vnode
+      );
+    });
+  }
+  getImgs() {
+    return Array.from(this.el.querySelectorAll(this.options.selector));
+  }
+  clear() {
+    const imgs = this.getImgs();
+    imgs.forEach((el) => this.lazy.remove(el));
+    this.vnode = null;
+    this.binding = null;
+    this.lazy = null;
+  }
+}
+class LazyContainerManager {
+  constructor({ lazy }) {
+    this.lazy = lazy;
+    this.queue = [];
+  }
+  bind(el, binding, vnode) {
+    const container = new LazyContainer({
+      el,
+      binding,
+      vnode,
+      lazy: this.lazy
+    });
+    this.queue.push(container);
+  }
+  update(el, binding, vnode) {
+    const container = this.queue.find((item) => item.el === el);
+    if (!container) return;
+    container.update({ el, binding, vnode });
+  }
+  unbind(el) {
+    const container = this.queue.find((item) => item.el === el);
+    if (!container) return;
+    container.clear();
+    (0, import_util.remove)(this.queue, container);
+  }
+}