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node_modules/vant/es/config-provider/ConfigProvider.mjs

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+import { watch, provide, computed, watchEffect, onActivated, onDeactivated, onBeforeUnmount, defineComponent, createVNode as _createVNode } from "vue";
+import { extend, inBrowser, kebabCase, makeStringProp, createNamespace } from "../utils/index.mjs";
+import { setGlobalZIndex } from "../composables/use-global-z-index.mjs";
+const [name, bem] = createNamespace("config-provider");
+const CONFIG_PROVIDER_KEY = Symbol(name);
+const configProviderProps = {
+  tag: makeStringProp("div"),
+  theme: makeStringProp("light"),
+  zIndex: Number,
+  themeVars: Object,
+  themeVarsDark: Object,
+  themeVarsLight: Object,
+  themeVarsScope: makeStringProp("local"),
+  iconPrefix: String
+};
+function insertDash(str) {
+  return str.replace(/([a-zA-Z])(\d)/g, "$1-$2");
+}
+function mapThemeVarsToCSSVars(themeVars) {
+  const cssVars = {};
+  Object.keys(themeVars).forEach((key) => {
+    const formattedKey = insertDash(kebabCase(key));
+    cssVars[`--van-${formattedKey}`] = themeVars[key];
+  });
+  return cssVars;
+}
+function syncThemeVarsOnRoot(newStyle = {}, oldStyle = {}) {
+  Object.keys(newStyle).forEach((key) => {
+    if (newStyle[key] !== oldStyle[key]) {
+      document.documentElement.style.setProperty(key, newStyle[key]);
+    }
+  });
+  Object.keys(oldStyle).forEach((key) => {
+    if (!newStyle[key]) {
+      document.documentElement.style.removeProperty(key);
+    }
+  });
+}
+var stdin_default = defineComponent({
+  name,
+  props: configProviderProps,
+  setup(props, {
+    slots
+  }) {
+    const style = computed(() => mapThemeVarsToCSSVars(extend({}, props.themeVars, props.theme === "dark" ? props.themeVarsDark : props.themeVarsLight)));
+    if (inBrowser) {
+      const addTheme = () => {
+        document.documentElement.classList.add(`van-theme-${props.theme}`);
+      };
+      const removeTheme = (theme = props.theme) => {
+        document.documentElement.classList.remove(`van-theme-${theme}`);
+      };
+      watch(() => props.theme, (newVal, oldVal) => {
+        if (oldVal) {
+          removeTheme(oldVal);
+        }
+        addTheme();
+      }, {
+        immediate: true
+      });
+      onActivated(addTheme);
+      onDeactivated(removeTheme);
+      onBeforeUnmount(removeTheme);
+      watch(style, (newStyle, oldStyle) => {
+        if (props.themeVarsScope === "global") {
+          syncThemeVarsOnRoot(newStyle, oldStyle);
+        }
+      });
+      watch(() => props.themeVarsScope, (newScope, oldScope) => {
+        if (oldScope === "global") {
+          syncThemeVarsOnRoot({}, style.value);
+        }
+        if (newScope === "global") {
+          syncThemeVarsOnRoot(style.value, {});
+        }
+      });
+      if (props.themeVarsScope === "global") {
+        syncThemeVarsOnRoot(style.value, {});
+      }
+    }
+    provide(CONFIG_PROVIDER_KEY, props);
+    watchEffect(() => {
+      if (props.zIndex !== void 0) {
+        setGlobalZIndex(props.zIndex);
+      }
+    });
+    return () => _createVNode(props.tag, {
+      "class": bem(),
+      "style": props.themeVarsScope === "local" ? style.value : void 0
+    }, {
+      default: () => {
+        var _a;
+        return [(_a = slots.default) == null ? void 0 : _a.call(slots)];
+      }
+    });
+  }
+});
+export {
+  CONFIG_PROVIDER_KEY,
+  configProviderProps,
+  stdin_default as default
+};