Uncaught：$不是核心js中的一个函数。

Question

我正在尝试安装BigCommerce开放检查脚本，当我试图在本地运行基本安装时，我目前正在收到这个错误：

Uncaught TypeError: $ is not a function
at eval (es.array.index-of.js?c975:15)
at Object../node_modules/core-js/modules/es.array.index-of.js

该文件是：

'use strict';
var $ = require('../internals/export');
var $indexOf = require('../internals/array-includes').indexOf;
var arrayMethodIsStrict = require('../internals/array-method-is-strict');
var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');

var nativeIndexOf = [].indexOf;

var NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;
var STRICT_METHOD = arrayMethodIsStrict('indexOf');
var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });

// `Array.prototype.indexOf` method
// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
$({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH }, {
  indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
    return NEGATIVE_ZERO
      // convert -0 to +0
      ? nativeIndexOf.apply(this, arguments) || 0
      : $indexOf(this, searchElement, arguments.length > 1 ? arguments[1] : undefined);
  }
});

到目前为止，我已经多次尝试更新核心js和NPM，但没有取得任何进展。

Answer 1

核心-js不应该由Babel编译。当使用webpack + babel编译您的代码时，您需要确保babel-加载程序的webpack模块规则不包括核心-js。

备选案文1

告诉webpack不要对node_modules中的任何依赖项使用babel-加载程序。由于core-js是node_modules中的一个依赖项，所以这不包括由babel处理的核心js。

// webpack.config.js
// This code snippet shows only the relevant part of the webpack config
module.exports = {
  module: {
    rules: [
      {
        test: /\.m?(j|t)sx?$/,
        // Excluding node_modules means that core-js will not be compiled
        exclude: /node_modules/,
        use: ['babel-loader']
      }
    ]
  }
}

选项2

告诉webpack用babel编译所有依赖项，但核心-js依赖项除外：

// webpack.config.js
// This code snippet shows only the relevant part of the webpack config
module.exports = {
  module: {
    rules: [
      {
        test: /\.m?(j|t)sx?$/,
        // Compile all node_modules except core-js
        include: {
          and: [/node_modules/],
          not: [/core-js/]
        },
        use: ['babel-loader']
      }
    ]
  }
}

相关链接

• https://github.com/zloirock/core-js/issues/912
• https://webpack.js.org/configuration/module/#ruleexclude
• https://webpack.js.org/configuration/module/#ruleinclude
• https://webpack.js.org/configuration/module/#rule-conditions