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video-gen-admin/node_modules/@ant-design/cssinjs/es/util/cacheMapUtil.js

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+import canUseDom from "@rc-component/util/es/Dom/canUseDom";
+import { ATTR_MARK } from "../StyleContext";
+export const ATTR_CACHE_MAP = 'data-ant-cssinjs-cache-path';
+
+/**
+ * This marks style from the css file.
+ * Which means not exist in `<style />` tag.
+ */
+export const CSS_FILE_STYLE = '_FILE_STYLE__';
+export function serialize(cachePathMap) {
+  return Object.keys(cachePathMap).map(path => {
+    const hash = cachePathMap[path];
+    return `${path}:${hash}`;
+  }).join(';');
+}
+let cachePathMap;
+let fromCSSFile = true;
+
+/**
+ * @private Test usage only. Can save remove if no need.
+ */
+export function reset(mockCache, fromFile = true) {
+  cachePathMap = mockCache;
+  fromCSSFile = fromFile;
+}
+export function prepare() {
+  if (!cachePathMap) {
+    cachePathMap = {};
+    if (canUseDom()) {
+      const div = document.createElement('div');
+      div.className = ATTR_CACHE_MAP;
+      div.style.position = 'fixed';
+      div.style.visibility = 'hidden';
+      div.style.top = '-9999px';
+      document.body.appendChild(div);
+      let content = getComputedStyle(div).content || '';
+      content = content.replace(/^"/, '').replace(/"$/, '');
+
+      // Fill data
+      content.split(';').forEach(item => {
+        const [path, hash] = item.split(':');
+        cachePathMap[path] = hash;
+      });
+
+      // Remove inline record style
+      const inlineMapStyle = document.querySelector(`style[${ATTR_CACHE_MAP}]`);
+      if (inlineMapStyle) {
+        fromCSSFile = false;
+        inlineMapStyle.parentNode?.removeChild(inlineMapStyle);
+      }
+      document.body.removeChild(div);
+    }
+  }
+}
+export function existPath(path) {
+  prepare();
+  return !!cachePathMap[path];
+}
+export function getStyleAndHash(path) {
+  const hash = cachePathMap[path];
+  let styleStr = null;
+  if (hash && canUseDom()) {
+    if (fromCSSFile) {
+      styleStr = CSS_FILE_STYLE;
+    } else {
+      const style = document.querySelector(`style[${ATTR_MARK}="${cachePathMap[path]}"]`);
+      if (style) {
+        styleStr = style.innerHTML;
+      } else {
+        // Clean up since not exist anymore
+        delete cachePathMap[path];
+      }
+    }
+  }
+  return [styleStr, hash];
+}