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{"version":3,"names":["_helperPluginUtils","require","_core","getName","key","t","isIdentifier","name","value","toString","_default","exports","default","declare","api","assertVersion","visitor","ObjectExpression","path","node","plainProps","properties","filter","prop","isSpreadElement","computed","alreadySeenData","Object","create","alreadySeenGetters","alreadySeenSetters","isDuplicate","kind","stringLiteral"],"sources":["../src/index.ts"],"sourcesContent":["import { declare } from \"@babel/helper-plugin-utils\";\nimport { types as t } from \"@babel/core\";\n\nfunction getName(\n key: t.Identifier | t.StringLiteral | t.NumericLiteral | t.BigIntLiteral,\n) {\n if (t.isIdentifier(key)) {\n return key.name;\n }\n return key.value.toString();\n}\n\nexport default declare(api => {\n api.assertVersion(\n process.env.BABEL_8_BREAKING && process.env.IS_PUBLISH\n ? PACKAGE_JSON.version\n : 7,\n );\n\n return {\n name: \"transform-duplicate-keys\",\n\n visitor: {\n ObjectExpression(path) {\n const { node } = path;\n const plainProps = node.properties.filter(\n prop => !t.isSpreadElement(prop) && !prop.computed,\n ) as (t.ObjectMethod | t.ObjectProperty)[];\n\n // A property is a duplicate key if:\n // * the property is a data property, and is preceded by a data,\n // getter, or setter property of the same name.\n // * the property is a getter property, and is preceded by a data or\n // getter property of the same name.\n // * the property is a setter property, and is preceded by a data or\n // setter property of the same name.\n\n const alreadySeenData = Object.create(null);\n const alreadySeenGetters = Object.create(null);\n const alreadySeenSetters = Object.create(null);\n\n for (const prop of plainProps) {\n const name = getName(\n // prop must be non-computed\n prop.key as\n | t.Identifier\n | t.StringLiteral\n | t.NumericLiteral\n | t.BigIntLiteral,\n );\n let isDuplicate = false;\n // @ts-expect-error prop.kind is not defined in ObjectProperty\n switch (prop.kind) {\n case \"get\":\n if (alreadySeenData[name] || alreadySeenGetters[name]) {\n isDuplicate = true;\n }\n alreadySeenGetters[name] = true;\n break;\n case \"set\":\n if (alreadySeenData[name] || alreadySeenSetters[name]) {\n isDuplicate = true;\n }\n alreadySeenSetters[name] = true;\n break;\n default:\n if (\n alreadySeenData[name] ||\n alreadySeenGetters[name] ||\n alreadySeenSetters[name]\n ) {\n isDuplicate = true;\n }\n alreadySeenData[name] = true;\n }\n\n if (isDuplicate) {\n // Rely on the computed properties transform to split the property\n // assignment out of the object literal.\n prop.computed = true;\n prop.key = t.stringLiteral(name);\n }\n }\n },\n },\n };\n});\n"],"mappings":";;;;;;AAAA,IAAAA,kBAAA,GAAAC,OAAA;AACA,IAAAC,KAAA,GAAAD,OAAA;AAEA,SAASE,OAAOA,CACdC,GAAwE,EACxE;EACA,IAAIC,WAAC,CAACC,YAAY,CAACF,GAAG,CAAC,EAAE;IACvB,OAAOA,GAAG,CAACG,IAAI;EACjB;EACA,OAAOH,GAAG,CAACI,KAAK,CAACC,QAAQ,CAAC,CAAC;AAC7B;AAAC,IAAAC,QAAA,GAAAC,OAAA,CAAAC,OAAA,GAEc,IAAAC,0BAAO,EAACC,GAAG,IAAI;EAC5BA,GAAG,CAACC,aAAa,CAGX,CACN,CAAC;EAED,OAAO;IACLR,IAAI,EAAE,0BAA0B;IAEhCS,OAAO,EAAE;MACPC,gBAAgBA,CAACC,IAAI,EAAE;QACrB,MAAM;UAAEC;QAAK,CAAC,GAAGD,IAAI;QACrB,MAAME,UAAU,GAAGD,IAAI,CAACE,UAAU,CAACC,MAAM,CACvCC,IAAI,IAAI,CAAClB,WAAC,CAACmB,eAAe,CAACD,IAAI,CAAC,IAAI,CAACA,IAAI,CAACE,QAC5C,CAA0C;QAU1C,MAAMC,eAAe,GAAGC,MAAM,CAACC,MAAM,CAAC,IAAI,CAAC;QAC3C,MAAMC,kBAAkB,GAAGF,MAAM,CAACC,MAAM,CAAC,IAAI,CAAC;QAC9C,MAAME,kBAAkB,GAAGH,MAAM,CAACC,MAAM,CAAC,IAAI,CAAC;
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