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stdout.txt
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@babel/preset-env: `DEBUG` option
Using targets:
{
"chrome": "52",
"firefox": "50",
"ie": "11"
}
Using modules transform: auto
Using plugins:
proposal-class-static-block { chrome < 91, firefox, ie }
proposal-private-property-in-object { chrome < 91, firefox, ie }
proposal-class-properties { chrome < 84, firefox, ie }
proposal-private-methods { chrome < 84, firefox, ie }
proposal-numeric-separator { chrome < 75, firefox < 70, ie }
proposal-logical-assignment-operators { chrome < 85, firefox < 79, ie }
proposal-nullish-coalescing-operator { chrome < 80, firefox < 72, ie }
proposal-optional-chaining { chrome, firefox < 74, ie }
proposal-json-strings { chrome < 66, firefox < 62, ie }
proposal-optional-catch-binding { chrome < 66, firefox < 58, ie }
transform-parameters { firefox < 53, ie }
proposal-async-generator-functions { chrome < 63, firefox < 57, ie }
proposal-object-rest-spread { chrome < 60, firefox < 55, ie }
transform-dotall-regex { chrome < 62, firefox < 78, ie }
proposal-unicode-property-regex { chrome < 64, firefox < 78, ie }
transform-named-capturing-groups-regex { chrome < 64, firefox < 78, ie }
transform-async-to-generator { chrome < 55, firefox < 52, ie }
transform-exponentiation-operator { firefox < 52, ie }
transform-template-literals { ie }
transform-literals { firefox < 53, ie }
transform-function-name { firefox < 53, ie }
transform-arrow-functions { ie }
transform-classes { ie }
transform-object-super { ie }
transform-shorthand-properties { ie }
transform-duplicate-keys { ie }
transform-computed-properties { ie }
transform-for-of { firefox < 53, ie }
transform-sticky-regex { ie }
transform-unicode-escapes { firefox < 53, ie }
transform-unicode-regex { ie }
transform-spread { ie }
transform-destructuring { firefox < 53, ie }
transform-block-scoping { firefox < 51, ie }
transform-typeof-symbol { ie }
transform-new-target { ie }
transform-regenerator { firefox < 53, ie }
proposal-export-namespace-from { chrome < 72, firefox < 80, ie }
transform-modules-commonjs
proposal-dynamic-import
corejs3: `DEBUG` option
Using targets: {
"chrome": "52",
"firefox": "50",
"ie": "11"
}
Using polyfills with `usage-global` method:
regenerator: `DEBUG` option
Using targets: {
"android": "89",
"chrome": "87",
"edge": "88",
"firefox": "78",
"ios": "13.4",
"opera": "74",
"safari": "13.1",
"samsung": "12"
}
Using polyfills with `usage-global` method:
[<CWD>/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-1/input.js]
The corejs3 polyfill added the following polyfills:
es.object.to-string { "chrome":"52", "firefox":"50", "ie":"11" }
es.promise { "chrome":"52", "firefox":"50", "ie":"11" }
es.array.iterator { "chrome":"52", "firefox":"50", "ie":"11" }
es.map { "chrome":"52", "firefox":"50", "ie":"11" }
es.string.iterator { "chrome":"52", "firefox":"50", "ie":"11" }
web.dom-collections.iterator { "chrome":"52", "firefox":"50", "ie":"11" }
web.queue-microtask { "chrome":"52", "firefox":"50", "ie":"11" }
esnext.global-this { "chrome":"52", "firefox":"50", "ie":"11" }
[<CWD>/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-1/input.js]
Based on your code and targets, the regenerator polyfill did not add any polyfill.