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metamask-extension/.babelrc

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Add functional but ugly and hard-coded token list
2017-04-21 04:07:09 +02:00
{
build - babel - move config to babelrc (#6284)
2019-03-12 16:55:28 +01:00
"presets": [
[
"env",
{
"targets": {
"browsers": [
Remove Babel transformations for older browser versions (#6812) The Babel config had previously supported all browsers with greater than 0.25% global usage (according to `browserlist`). This resulted in `babel-preset-env` including plugins sufficient to support the following minimum browser versions: ``` { "chrome": "49", "android": "4.4", "edge": "16", "firefox": "52", "ios": "9.3", "safari": "11" } ``` Instead, the babel config now explicitly supports chrome >= 58 and firefox >= 53. Chrome and Firefox are the only browsers we currently publish to, and these were the minimum versions with no additional Babel transformations. The minimum browser versions we support should be re-evaluated later, when we have added tests and documentation. The plugin 'transform-async-to-generator' has also been removed. It was used to translate async/await, but our browser targets all support async/await. Removing some of these transformations exposed bugs in `uglify-es` that only presented themselves in the production build. `gulp-uglify-es` has been updated to a version that uses `terser` instead of `uglify-es`, which has resolved these issues. Relates to #6805
2019-07-18 23:17:20 +02:00
"chrome >= 58",
"firefox >= 53"
build - babel - move config to babelrc (#6284)
2019-03-12 16:55:28 +01:00
]
}
}
],
Remove unused Babel transformations (#6811) The `stage-0` Babel preset has been replaced with the specific Babel plugins that we depend upon. We don't use most of `stage-0`, so this allowed us to remove many unnecessary transformations. We had to remove this preset soon anyway, because all of the stage presets are deprecated in Babel 7. The `stage-0` preset consisted of these plugins: ``` "transform-do-expressions" "transform-function-bind" "transform-class-constructor-call" "transform-export-extensions" "transform-class-properties" "transform-decorators" "syntax-dynamic-import" "syntax-trailing-function-commas" "transform-async-generator-functions" "transform-async-to-generator" "transform-exponentiation-operator" "transform-object-rest-spread" ``` Of that list, only 'transform-class-properties', 'transform-object- rest-spread', and 'transform-async-to-generator' were being used.
2019-07-05 21:08:11 +02:00
"react"
build - babel - move config to babelrc (#6284)
2019-03-12 16:55:28 +01:00
],
"plugins": [
"transform-runtime",
Remove unused Babel transformations (#6811) The `stage-0` Babel preset has been replaced with the specific Babel plugins that we depend upon. We don't use most of `stage-0`, so this allowed us to remove many unnecessary transformations. We had to remove this preset soon anyway, because all of the stage presets are deprecated in Babel 7. The `stage-0` preset consisted of these plugins: ``` "transform-do-expressions" "transform-function-bind" "transform-class-constructor-call" "transform-export-extensions" "transform-class-properties" "transform-decorators" "syntax-dynamic-import" "syntax-trailing-function-commas" "transform-async-generator-functions" "transform-async-to-generator" "transform-exponentiation-operator" "transform-object-rest-spread" ``` Of that list, only 'transform-class-properties', 'transform-object- rest-spread', and 'transform-async-to-generator' were being used.
2019-07-05 21:08:11 +02:00
"transform-class-properties",
"transform-object-rest-spread"
build - babel - move config to babelrc (#6284)
2019-03-12 16:55:28 +01:00
]
Remove unused Babel transformations (#6811) The `stage-0` Babel preset has been replaced with the specific Babel plugins that we depend upon. We don't use most of `stage-0`, so this allowed us to remove many unnecessary transformations. We had to remove this preset soon anyway, because all of the stage presets are deprecated in Babel 7. The `stage-0` preset consisted of these plugins: ``` "transform-do-expressions" "transform-function-bind" "transform-class-constructor-call" "transform-export-extensions" "transform-class-properties" "transform-decorators" "syntax-dynamic-import" "syntax-trailing-function-commas" "transform-async-generator-functions" "transform-async-to-generator" "transform-exponentiation-operator" "transform-object-rest-spread" ``` Of that list, only 'transform-class-properties', 'transform-object- rest-spread', and 'transform-async-to-generator' were being used.
2019-07-05 21:08:11 +02:00
}
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