1 line
5.3 KiB
Plaintext
1 line
5.3 KiB
Plaintext
{"version":3,"names":["_helperPluginUtils","require","_core","_default","exports","default","declare","api","assertVersion","name","visitor","MetaProperty","path","meta","get","property","scope","isIdentifier","func","findParent","isClass","isFunction","isArrowFunctionExpression","isClassMethod","kind","buildCodeFrameError","node","t","isMethod","replaceWith","buildUndefinedNode","constructor","memberExpression","thisExpression","identifier","id","generateUidIdentifier","parentPath","hasOwnBinding","bindingIdentifierEquals","rename","parent","conditionalExpression","binaryExpression","cloneNode"],"sources":["../src/index.ts"],"sourcesContent":["import { declare } from \"@babel/helper-plugin-utils\";\nimport { types as t, type NodePath } from \"@babel/core\";\n\nexport default declare(api => {\n api.assertVersion(REQUIRED_VERSION(7));\n\n return {\n name: \"transform-new-target\",\n\n visitor: {\n MetaProperty(path) {\n const meta = path.get(\"meta\");\n const property = path.get(\"property\");\n const { scope } = path;\n\n if (\n meta.isIdentifier({ name: \"new\" }) &&\n property.isIdentifier({ name: \"target\" })\n ) {\n const func = path.findParent(path => {\n if (path.isClass()) return true;\n if (path.isFunction() && !path.isArrowFunctionExpression()) {\n if (path.isClassMethod({ kind: \"constructor\" })) {\n return false;\n }\n\n return true;\n }\n return false;\n }) as NodePath<\n | t.FunctionDeclaration\n | t.FunctionExpression\n | t.Class\n | t.ClassMethod\n | t.ClassPrivateMethod\n >;\n\n if (!func) {\n throw path.buildCodeFrameError(\n \"new.target must be under a (non-arrow) function or a class.\",\n );\n }\n\n const { node } = func;\n if (t.isMethod(node)) {\n path.replaceWith(scope.buildUndefinedNode());\n return;\n }\n\n const constructor = t.memberExpression(\n t.thisExpression(),\n t.identifier(\"constructor\"),\n );\n\n if (func.isClass()) {\n path.replaceWith(constructor);\n return;\n }\n\n if (!node.id) {\n node.id = scope.generateUidIdentifier(\"target\");\n } else {\n // packages/babel-helper-create-class-features-plugin/src/fields.ts#L192 unshadow\n let scope = path.scope;\n const name = node.id.name;\n while (scope !== func.parentPath.scope) {\n if (\n scope.hasOwnBinding(name) &&\n !scope.bindingIdentifierEquals(name, node.id)\n ) {\n scope.rename(name);\n }\n scope = scope.parent;\n }\n }\n\n path.replaceWith(\n t.conditionalExpression(\n t.binaryExpression(\n \"instanceof\",\n t.thisExpression(),\n t.cloneNode(node.id),\n ),\n constructor,\n scope.buildUndefinedNode(),\n ),\n );\n }\n },\n },\n };\n});\n"],"mappings":";;;;;;AAAA,IAAAA,kBAAA,GAAAC,OAAA;AACA,IAAAC,KAAA,GAAAD,OAAA;AAAwD,IAAAE,QAAA,GAAAC,OAAA,CAAAC,OAAA,GAEzC,IAAAC,0BAAO,EAACC,GAAG,IAAI;EAC5BA,GAAG,CAACC,aAAa,CAAkB,CAAE,CAAC;EAEtC,OAAO;IACLC,IAAI,EAAE,sBAAsB;IAE5BC,OAAO,EAAE;MACPC,YAAYA,CAACC,IAAI,EAAE;QACjB,MAAMC,IAAI,GAAGD,IAAI,CAACE,GAAG,CAAC,MAAM,CAAC;QAC7B,MAAMC,QAAQ,GAAGH,IAAI,CAACE,GAAG,CAAC,UAAU,CAAC;QACrC,MAAM;UAAEE;QAAM,CAAC,GAAGJ,IAAI;QAEtB,IACEC,IAAI,CAACI,YAAY,CAAC;UAAER,IAAI,EAAE;QAAM,CAAC,CAAC,IAClCM,QAAQ,CAACE,YAAY,CAAC;UAAER,IAAI,EAAE;QAAS,CAAC,CAAC,EACzC;UACA,MAAMS,IAAI,GAAGN,IAAI,CAACO,UAAU,CAACP,IAAI,IAAI;YACnC,IAAIA,IAAI,CAACQ,OAAO,CAAC,CAAC,EAAE,OAAO,IAAI;YAC/B,IAAIR,IAAI,CAACS,UAAU,CAAC,CAAC,IAAI,CAACT,IAAI,CAACU,yBAAyB,CAAC,CAAC,EAAE;cAC1D,IAAIV,IAAI,CAACW,aAAa,CAAC;gBAAEC,IAAI,EAAE;cAAc,CAAC,CAAC,EAAE;gBAC/C,OAAO,KAAK;cACd;cAEA,OAAO,IAAI;YACb;YACA,OAAO,KAAK;UACd,CAAC,CAMA;UAED,IAAI,CAACN,IAAI,EAAE;YACT,MAAMN,IAAI,CAACa,mBAAmB,CAC5B,6DACF,CAAC;UACH;UAEA,MAAM;YAAEC;UAAK,CAAC,GAAGR,IAAI;UACrB,IAAIS,WAAC,CAACC,QAAQ,CAACF,IAAI,CAAC,EAAE;YACpBd,IAAI,CAACiB,WAAW,CAACb,KAAK,CAACc,kBAAkB,CAAC,CAAC,CAAC;YAC5C;UACF;UAEA,MAAMC,WAAW,GAAGJ,WAAC,CAACK,gBAAgB,CACpCL,WAAC,CAACM,cAAc,CAAC,CAAC,EAClBN,WAAC,CAACO,UAAU,CAAC,aAAa,CAC5B,CAAC;UAED,IAAIhB,IAAI,CAACE,OAAO,CAAC,CAAC,EAAE;YAClBR,IAAI,CAACiB,WAAW,CAACE,WAAW,CAAC;YAC7B;UACF;UAEA,IAAI,CAACL,IAAI,CAACS,EAAE,EAAE;YACZT,IAAI,CAACS,EAAE,GAAGnB,KAAK,CAACoB,qBAAqB,CAAC,QAAQ,CAAC;UACjD,CAAC,MAAM;YAEL,IAAIpB,KAAK,GAAGJ,IAAI,CAACI,KAAK;YACtB,MAAMP,IAAI,GAAGiB,IAAI,CAACS,EAAE,CAAC1B,IAAI;YACzB,OAAOO,KAAK,KAAKE,IAAI,CAACmB,UAAU,CAACrB,KAAK,EAAE;cACtC,IACEA,KAAK,CAACsB,aAAa,CAAC7B,IAAI,CAAC,IACzB,CAACO,KAAK,CAACuB,uBAAuB,CAAC9B,IAAI,EAAEiB,IAAI,CAACS,EAAE,CAAC,EAC7C;gBACAnB,KAAK,CAACwB,MAAM,CAAC/B,IAAI,CAAC;cACpB;cACAO,KAAK,GAAGA,KAAK,CAACyB,MAAM;YACtB;UACF;UAEA7B,IAAI,CAACiB,WAAW,CACdF,WAAC,CAACe,qBAAqB,CACrBf,WAAC,CAACgB,gBAAgB,CAChB,YAAY,EACZhB,WAAC,CAACM,cAAc,CAAC,CAAC,EAClBN,WAAC,CAACiB,SAAS,CAAClB,IAAI,CAACS,EAAE,CACrB,CAAC,EACDJ,WAAW,EACXf,KAAK,CAACc,kBAAkB,CAAC,CAC3B,CACF,CAAC;QACH;MACF;IACF;EACF,CAAC;AACH,CAAC,CAAC","ignoreList":[]} |