Use of sourceMap alias of sourceMaps. #658
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kevinji
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erikdesjardins
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* Upgrade Babel to 7.0 * use loose mode in tranforms to avoid unnecessary helpers * package.json: Update ava to 1.0.0-beta.8 * ava: Use t.throwsAsync for async exceptions * Move config to babel.config.js, and add @babel/preset-env support * eslint: Upgrade to fix build error, and disable warnings * eslint: Upgrade plugins * babel: Remove sourceMaps option, as it conflicts with babel-loader See babel/babel-loader#658. * Revert "babel: Remove sourceMaps option, as it conflicts with babel-loader" This reverts commit b1aabb0 * Revert "Move config to babel.config.js, and add @babel/preset-env support" This reverts commit 9c1e197 * define methods on the prototype instead of own properties for desired subclass implementations Babel 7 is more spec compliant, in that it always assigns `undefined` to an own property for each undefined object property; since these methods are meant to be defined on the prototype, this always overrides the implementation with undefined.
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Hi I am not using sourceMap in my babel.config.js however i have used it in webpack.config.js for devtool and for loaders like css-loader, sass-loader ..etc , I tried all possibilities replacing sourceMap to sourceMaps it is not helping. can you please help how to fix this . And my webpack.config.js (splitted into two screenshots) is as below |
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this extra sourceMap:true in presets in babel options is coming from dependent library being used inside our project, thanks for all of your time for analyzing this. |
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babel-loader uses the
sourceMapsoption alias ofsourceMapwhich will cause a validation fail if a user tries to use the documentedsourceMapsoption (instead of thesourceMapalias) because it says both cannot be used.The text was updated successfully, but these errors were encountered: