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  • TypeError: Cannot read property 'bindings' of null

    ERROR in ./src/main.js
    Module build failed (from ./node_modules/babel-loader/lib/index.js):
    TypeError: E:webs	estsrcmain.js: Cannot read property 'bindings' of null
        at Scope.moveBindingTo (E:webs	est
    ode_modules@babel	raverselibscopeindex.js:929:13)
        at BlockScoping.updateScopeInfo (E:webs	est
    ode_modulesabel-plugin-transform-es2015-block-scopinglibindex.js:364:17)
        at BlockScoping.run (E:webs	est
    ode_modulesabel-plugin-transform-es2015-block-scopinglibindex.js:330:12)
        at PluginPass.BlockStatementSwitchStatementProgram (E:webs	est
    ode_modulesabel-plugin-transform-es2015-block-scopinglibindex.js:70:24)
        at newFn (E:webs	est
    ode_modules@babel	raverselibvisitors.js:175:21)
        at NodePath._call (E:webs	est
    ode_modules@babel	raverselibpathcontext.js:55:20)
        at NodePath.call (E:webs	est
    ode_modules@babel	raverselibpathcontext.js:42:17)
        at NodePath.visit (E:webs	est
    ode_modules@babel	raverselibpathcontext.js:92:31)
        at TraversalContext.visitQueue (E:webs	est
    ode_modules@babel	raverselibcontext.js:112:16)
        at TraversalContext.visitSingle (E:webs	est
    ode_modules@babel	raverselibcontext.js:84:19)
        at TraversalContext.visit (E:webs	est
    ode_modules@babel	raverselibcontext.js:140:19)
        at Function.traverse.node (E:webs	est
    ode_modules@babel	raverselibindex.js:82:17)
        at traverse (E:webs	est
    ode_modules@babel	raverselibindex.js:64:12)
        at transformFile (E:webs	est
    ode_modules@babelcorelib	ransformationindex.js:107:29)
        at transformFile.next (<anonymous>)
        at run (E:webs	est
    ode_modules@babelcorelib	ransformationindex.js:35:12)
        at run.next (<anonymous>)
        at Function.transform (E:webs	est
    ode_modules@babelcorelib	ransform.js:27:41)
        at transform.next (<anonymous>)
        at E:webs	est
    ode_modulesgensyncindex.js:266:13
        at async.call.result.err.err (E:webs	est
    ode_modulesgensyncindex.js:216:11)
        at E:webs	est
    ode_modulesgensyncindex.js:184:28
        at E:webs	est
    ode_modules@babelcorelibgensync-utilsasync.js:72:7
        at E:webs	est
    ode_modulesgensyncindex.js:108:33
        at step (E:webs	est
    ode_modulesgensyncindex.js:280:14)
        at E:webs	est
    ode_modulesgensyncindex.js:266:13
        at async.call.result.err.err (E:webs	est
    ode_modulesgensyncindex.js:216:11)
    

    webpack是4.2X的,改成这样就好了 

    module: {
        rules: [
          {
            test: /.js$/,
            loader: 'babel-loader',
            exclude: path.join(__dirname, '/node_modules/'),
            include: path.join(__dirname, 'src')
          }]
    }
    

      

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  • 原文地址:https://www.cnblogs.com/baidei/p/13603243.html
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