es7 新特性
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npx babel-upgrade --write 覆盖 preset-stage-0 配置
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babel 安装
{ "@babel/core": "^7.0.0", "@babel/plugin-proposal-class-properties": "^7.0.0", "@babel/plugin-proposal-decorators": "^7.0.0", "@babel/plugin-proposal-do-expressions": "^7.0.0", "@babel/plugin-proposal-export-default-from": "^7.0.0", "@babel/plugin-proposal-export-namespace-from": "^7.0.0", "@babel/plugin-proposal-function-bind": "^7.0.0", "@babel/plugin-proposal-function-sent": "^7.0.0", "@babel/plugin-proposal-json-strings": "^7.0.0", "@babel/plugin-proposal-logical-assignment-operators": "^7.0.0", "@babel/plugin-proposal-nullish-coalescing-operator": "^7.0.0", "@babel/plugin-proposal-numeric-separator": "^7.0.0", "@babel/plugin-proposal-optional-chaining": "^7.0.0", "@babel/plugin-proposal-pipeline-operator": "^7.0.0", "@babel/plugin-proposal-throw-expressions": "^7.0.0", "@babel/plugin-syntax-dynamic-import": "^7.0.0", "@babel/plugin-syntax-import-meta": "^7.0.0", "@babel/plugin-transform-runtime": "^7.3.4", "@babel/polyfill": "^7.2.5", "@babel/preset-env": "^7.3.4", "@babel/register": "^7.0.0", "@babel/runtime": "^7.3.4" }
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.babelrc 配置
{ "presets": [ [ "@babel/preset-env", { "targets": { "node": "current" } } ] ], "plugins": [ "@babel/plugin-transform-runtime", "@babel/plugin-syntax-dynamic-import", "@babel/plugin-syntax-import-meta", "@babel/plugin-proposal-class-properties", "@babel/plugin-proposal-json-strings", [ "@babel/plugin-proposal-decorators", { "legacy": true } ], "@babel/plugin-proposal-function-sent", "@babel/plugin-proposal-export-namespace-from", "@babel/plugin-proposal-numeric-separator", "@babel/plugin-proposal-throw-expressions", "@babel/plugin-proposal-export-default-from", "@babel/plugin-proposal-logical-assignment-operators", "@babel/plugin-proposal-optional-chaining", [ "@babel/plugin-proposal-pipeline-operator", { "proposal": "minimal" } ], "@babel/plugin-proposal-nullish-coalescing-operator", "@babel/plugin-proposal-do-expressions", "@babel/plugin-proposal-function-bind" ] }
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