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Exceptions in 0.5.0

See original GitHub issue

After Updating to v0.5.0 I get a lot of errors while minifying single files:

TypeError: unknown: Cannot read property 'contexts' of null
    at NodePath._getQueueContexts (D:\WiFiSpot\node_modules\babel-traverse\lib\path\context.js:278:21)
    at NodePath._containerInsert (D:\WiFiSpot\node_modules\babel-traverse\lib\path\modification.js:94:23)
    at NodePath._containerInsertBefore (D:\WiFiSpot\node_modules\babel-traverse\lib\path\modification.js:137:15)
    at NodePath.insertBefore (D:\WiFiSpot\node_modules\babel-traverse\lib\path\modification.js:56:19)
    at NodePath.unshiftContainer (D:\WiFiSpot\node_modules\babel-traverse\lib\path\modification.js:239:15)
    at BuiltInReplacer.replace (D:\WiFiSpot\node_modules\babel-plugin-minify-builtins\lib\index.js:164:22)
    at PluginPass.exit (D:\WiFiSpot\node_modules\babel-plugin-minify-builtins\lib\index.js:205:27)
    at newFn (D:\WiFiSpot\node_modules\babel-traverse\lib\visitors.js:276:21)
    at NodePath._call (D:\WiFiSpot\node_modules\babel-traverse\lib\path\context.js:76:18)
    at NodePath.call (D:\WiFiSpot\node_modules\babel-traverse\lib\path\context.js:48:17)

Issue Analytics

State:
Created 5 years ago
Reactions:3
Comments:6

Top GitHub Comments

1reaction

seanmorriscommented, Nov 29, 2018

Disabling the “builtIn” plugin seems to suppress the error. I’m using brunch so here’s my working config:

exports.plugins = {
  babel: {
    'presets': ['es2015'],
    'env': {
      'production': {
        'presets': [['minify', {
          'builtIns': false
        }]]
      }
    }
  },
};

1reaction

rahbaricommented, Nov 18, 2018

@rv-jbaker @JeffML The problem is babel core and some modules (Not babel-preset-minifiy) have new package names and you just don’t get new version with npm update, for example:

	"@babel/core": "^7.1.6",
	"@babel/plugin-syntax-object-rest-spread": "^7.0.0",
	"@babel/plugin-transform-modules-commonjs": "^7.1.0",
	"babel-preset-minify": "^0.5.0",

Total mess 😃)

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