提交初始版本，使用vant ui库

miniprogram_npm/@vant/weapp/config-provider/index.d.ts

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+export {};

miniprogram_npm/@vant/weapp/config-provider/index.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var component_1 = require("../common/component");
+(0, component_1.VantComponent)({
+    props: {
+        themeVars: {
+            type: Object,
+            value: {},
+        },
+    },
+});

miniprogram_npm/@vant/weapp/config-provider/index.json

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+{
+  "component": true
+}

miniprogram_npm/@vant/weapp/config-provider/index.wxml

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+<wxs src="./index.wxs" module="computed" />
+
+<view class="van-config-provider" style="{{ computed.mapThemeVarsToCSSVars(themeVars) }}">
+  <slot />
+</view>

miniprogram_npm/@vant/weapp/config-provider/index.wxs

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+/* eslint-disable */
+var object = require('../wxs/object.wxs');
+var style = require('../wxs/style.wxs');
+
+function kebabCase(word) {
+  var newWord = word
+    .replace(getRegExp("[A-Z]", 'g'), function (i) {
+      return '-' + i;
+    })
+    .toLowerCase()
+    .replace(getRegExp("^-"), '');
+
+  return newWord;
+}
+
+function mapThemeVarsToCSSVars(themeVars) {
+  var cssVars = {};
+  object.keys(themeVars).forEach(function (key) {
+    var cssVarsKey = '--' + kebabCase(key);
+    cssVars[cssVarsKey] = themeVars[key];
+  });
+
+  return style(cssVars);
+}
+
+module.exports = {
+  kebabCase: kebabCase,
+  mapThemeVarsToCSSVars: mapThemeVarsToCSSVars,
+};