image2.js 8.4 KB

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  1. 'use strict';
  2. Object.defineProperty(exports, '__esModule', { value: true });
  3. var vue = require('vue');
  4. var core = require('@vueuse/core');
  5. require('../../../hooks/index.js');
  6. var index$3 = require('../../image-viewer/index.js');
  7. require('../../../utils/index.js');
  8. var image = require('./image.js');
  9. var pluginVue_exportHelper = require('../../../_virtual/plugin-vue_export-helper.js');
  10. var index = require('../../../hooks/use-locale/index.js');
  11. var index$1 = require('../../../hooks/use-namespace/index.js');
  12. var index$2 = require('../../../hooks/use-attrs/index.js');
  13. var position = require('../../../utils/dom/position.js');
  14. var types = require('../../../utils/types.js');
  15. var shared = require('@vue/shared');
  16. var scroll = require('../../../utils/dom/scroll.js');
  17. const _hoisted_1 = ["src", "loading"];
  18. const _hoisted_2 = { key: 0 };
  19. const __default__ = vue.defineComponent({
  20. name: "ElImage",
  21. inheritAttrs: false
  22. });
  23. const _sfc_main = /* @__PURE__ */ vue.defineComponent({
  24. ...__default__,
  25. props: image.imageProps,
  26. emits: image.imageEmits,
  27. setup(__props, { emit }) {
  28. const props = __props;
  29. let prevOverflow = "";
  30. const { t } = index.useLocale();
  31. const ns = index$1.useNamespace("image");
  32. const rawAttrs = vue.useAttrs();
  33. const attrs = index$2.useAttrs();
  34. const imageSrc = vue.ref();
  35. const hasLoadError = vue.ref(false);
  36. const isLoading = vue.ref(true);
  37. const showViewer = vue.ref(false);
  38. const container = vue.ref();
  39. const _scrollContainer = vue.ref();
  40. const supportLoading = core.isClient && "loading" in HTMLImageElement.prototype;
  41. let stopScrollListener;
  42. let stopWheelListener;
  43. const containerStyle = vue.computed(() => rawAttrs.style);
  44. const imageStyle = vue.computed(() => {
  45. const { fit } = props;
  46. if (core.isClient && fit) {
  47. return { objectFit: fit };
  48. }
  49. return {};
  50. });
  51. const preview = vue.computed(() => {
  52. const { previewSrcList } = props;
  53. return Array.isArray(previewSrcList) && previewSrcList.length > 0;
  54. });
  55. const imageIndex = vue.computed(() => {
  56. const { previewSrcList, initialIndex } = props;
  57. let previewIndex = initialIndex;
  58. if (initialIndex > previewSrcList.length - 1) {
  59. previewIndex = 0;
  60. }
  61. return previewIndex;
  62. });
  63. const isManual = vue.computed(() => {
  64. if (props.loading === "eager")
  65. return false;
  66. return !supportLoading && props.loading === "lazy" || props.lazy;
  67. });
  68. const loadImage = () => {
  69. if (!core.isClient)
  70. return;
  71. isLoading.value = true;
  72. hasLoadError.value = false;
  73. imageSrc.value = props.src;
  74. };
  75. function handleLoad(event) {
  76. isLoading.value = false;
  77. hasLoadError.value = false;
  78. emit("load", event);
  79. }
  80. function handleError(event) {
  81. isLoading.value = false;
  82. hasLoadError.value = true;
  83. emit("error", event);
  84. }
  85. function handleLazyLoad() {
  86. if (position.isInContainer(container.value, _scrollContainer.value)) {
  87. loadImage();
  88. removeLazyLoadListener();
  89. }
  90. }
  91. const lazyLoadHandler = core.useThrottleFn(handleLazyLoad, 200);
  92. async function addLazyLoadListener() {
  93. var _a;
  94. if (!core.isClient)
  95. return;
  96. await vue.nextTick();
  97. const { scrollContainer } = props;
  98. if (types.isElement(scrollContainer)) {
  99. _scrollContainer.value = scrollContainer;
  100. } else if (shared.isString(scrollContainer) && scrollContainer !== "") {
  101. _scrollContainer.value = (_a = document.querySelector(scrollContainer)) != null ? _a : void 0;
  102. } else if (container.value) {
  103. _scrollContainer.value = scroll.getScrollContainer(container.value);
  104. }
  105. if (_scrollContainer.value) {
  106. stopScrollListener = core.useEventListener(_scrollContainer, "scroll", lazyLoadHandler);
  107. setTimeout(() => handleLazyLoad(), 100);
  108. }
  109. }
  110. function removeLazyLoadListener() {
  111. if (!core.isClient || !_scrollContainer.value || !lazyLoadHandler)
  112. return;
  113. stopScrollListener == null ? void 0 : stopScrollListener();
  114. _scrollContainer.value = void 0;
  115. }
  116. function wheelHandler(e) {
  117. if (!e.ctrlKey)
  118. return;
  119. if (e.deltaY < 0) {
  120. e.preventDefault();
  121. return false;
  122. } else if (e.deltaY > 0) {
  123. e.preventDefault();
  124. return false;
  125. }
  126. }
  127. function clickHandler() {
  128. if (!preview.value)
  129. return;
  130. stopWheelListener = core.useEventListener("wheel", wheelHandler, {
  131. passive: false
  132. });
  133. prevOverflow = document.body.style.overflow;
  134. document.body.style.overflow = "hidden";
  135. showViewer.value = true;
  136. emit("show");
  137. }
  138. function closeViewer() {
  139. stopWheelListener == null ? void 0 : stopWheelListener();
  140. document.body.style.overflow = prevOverflow;
  141. showViewer.value = false;
  142. emit("close");
  143. }
  144. function switchViewer(val) {
  145. emit("switch", val);
  146. }
  147. vue.watch(() => props.src, () => {
  148. if (isManual.value) {
  149. isLoading.value = true;
  150. hasLoadError.value = false;
  151. removeLazyLoadListener();
  152. addLazyLoadListener();
  153. } else {
  154. loadImage();
  155. }
  156. });
  157. vue.onMounted(() => {
  158. if (isManual.value) {
  159. addLazyLoadListener();
  160. } else {
  161. loadImage();
  162. }
  163. });
  164. return (_ctx, _cache) => {
  165. return vue.openBlock(), vue.createElementBlock("div", {
  166. ref_key: "container",
  167. ref: container,
  168. class: vue.normalizeClass([vue.unref(ns).b(), _ctx.$attrs.class]),
  169. style: vue.normalizeStyle(vue.unref(containerStyle))
  170. }, [
  171. imageSrc.value !== void 0 && !hasLoadError.value ? (vue.openBlock(), vue.createElementBlock("img", vue.mergeProps({ key: 0 }, vue.unref(attrs), {
  172. src: imageSrc.value,
  173. loading: _ctx.loading,
  174. style: vue.unref(imageStyle),
  175. class: [
  176. vue.unref(ns).e("inner"),
  177. vue.unref(preview) && vue.unref(ns).e("preview"),
  178. isLoading.value && vue.unref(ns).is("loading")
  179. ],
  180. onClick: clickHandler,
  181. onLoad: handleLoad,
  182. onError: handleError
  183. }), null, 16, _hoisted_1)) : vue.createCommentVNode("v-if", true),
  184. isLoading.value || hasLoadError.value ? (vue.openBlock(), vue.createElementBlock("div", {
  185. key: 1,
  186. class: vue.normalizeClass(vue.unref(ns).e("wrapper"))
  187. }, [
  188. isLoading.value ? vue.renderSlot(_ctx.$slots, "placeholder", { key: 0 }, () => [
  189. vue.createElementVNode("div", {
  190. class: vue.normalizeClass(vue.unref(ns).e("placeholder"))
  191. }, null, 2)
  192. ]) : hasLoadError.value ? vue.renderSlot(_ctx.$slots, "error", { key: 1 }, () => [
  193. vue.createElementVNode("div", {
  194. class: vue.normalizeClass(vue.unref(ns).e("error"))
  195. }, vue.toDisplayString(vue.unref(t)("el.image.error")), 3)
  196. ]) : vue.createCommentVNode("v-if", true)
  197. ], 2)) : vue.createCommentVNode("v-if", true),
  198. vue.unref(preview) ? (vue.openBlock(), vue.createElementBlock(vue.Fragment, { key: 2 }, [
  199. showViewer.value ? (vue.openBlock(), vue.createBlock(vue.unref(index$3.ElImageViewer), {
  200. key: 0,
  201. "z-index": _ctx.zIndex,
  202. "initial-index": vue.unref(imageIndex),
  203. infinite: _ctx.infinite,
  204. "zoom-rate": _ctx.zoomRate,
  205. "url-list": _ctx.previewSrcList,
  206. "hide-on-click-modal": _ctx.hideOnClickModal,
  207. teleported: _ctx.previewTeleported,
  208. "close-on-press-escape": _ctx.closeOnPressEscape,
  209. onClose: closeViewer,
  210. onSwitch: switchViewer
  211. }, {
  212. default: vue.withCtx(() => [
  213. _ctx.$slots.viewer ? (vue.openBlock(), vue.createElementBlock("div", _hoisted_2, [
  214. vue.renderSlot(_ctx.$slots, "viewer")
  215. ])) : vue.createCommentVNode("v-if", true)
  216. ]),
  217. _: 3
  218. }, 8, ["z-index", "initial-index", "infinite", "zoom-rate", "url-list", "hide-on-click-modal", "teleported", "close-on-press-escape"])) : vue.createCommentVNode("v-if", true)
  219. ], 64)) : vue.createCommentVNode("v-if", true)
  220. ], 6);
  221. };
  222. }
  223. });
  224. var Image = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["__file", "/home/runner/work/element-plus/element-plus/packages/components/image/src/image.vue"]]);
  225. exports["default"] = Image;
  226. //# sourceMappingURL=image2.js.map