{"version":3,"names":["_scope","require","_scopeflags","FlowScope","Scope","constructor","args","declareFunctions","Set","FlowScopeHandler","ScopeHandler","createScope","flags","declareName","name","bindingType","loc","scope","currentScope","BIND_FLAGS_FLOW_DECLARE_FN","checkRedeclarationInScope","maybeExportDefined","add","isRedeclaredInScope","has","lexical","functions","checkLocalExport","id","scopeStack","exports","default"],"sources":["../../../src/plugins/flow/scope.ts"],"sourcesContent":["import type { Position } from \"../../util/location\";\nimport ScopeHandler, { Scope } from \"../../util/scope\";\nimport {\n BIND_FLAGS_FLOW_DECLARE_FN,\n type ScopeFlags,\n type BindingTypes,\n} from \"../../util/scopeflags\";\nimport type * as N from \"../../types\";\n\n// Reference implementation: https://github.com/facebook/flow/blob/23aeb2a2ef6eb4241ce178fde5d8f17c5f747fb5/src/typing/env.ml#L536-L584\nclass FlowScope extends Scope {\n // declare function foo(): type;\n declareFunctions: Set<string> = new Set();\n}\n\nexport default class FlowScopeHandler extends ScopeHandler<FlowScope> {\n createScope(flags: ScopeFlags): FlowScope {\n return new FlowScope(flags);\n }\n\n declareName(name: string, bindingType: BindingTypes, loc: Position) {\n const scope = this.currentScope();\n if (bindingType & BIND_FLAGS_FLOW_DECLARE_FN) {\n this.checkRedeclarationInScope(scope, name, bindingType, loc);\n this.maybeExportDefined(scope, name);\n scope.declareFunctions.add(name);\n return;\n }\n\n super.declareName(name, bindingType, loc);\n }\n\n isRedeclaredInScope(\n scope: FlowScope,\n name: string,\n bindingType: BindingTypes,\n ): boolean {\n if (super.isRedeclaredInScope(scope, name, bindingType)) return true;\n\n if (bindingType & BIND_FLAGS_FLOW_DECLARE_FN) {\n return (\n !scope.declareFunctions.has(name) &&\n (scope.lexical.has(name) || scope.functions.has(name))\n );\n }\n\n return false;\n }\n\n checkLocalExport(id: N.Identifier) {\n if (!this.scopeStack[0].declareFunctions.has(id.name)) {\n super.checkLocalExport(id);\n }\n }\n}\n"],"mappings":";;;;;;AACA,IAAAA,MAAA,GAAAC,OAAA;AACA,IAAAC,WAAA,GAAAD,OAAA;AAQA,MAAME,SAAS,SAASC,YAAK,CAAC;EAAAC,YAAA,GAAAC,IAAA;IAAA,SAAAA,IAAA;IAAA,KAE5BC,gBAAgB,GAAgB,IAAIC,GAAG,CAAC,CAAC;EAAA;AAC3C;AAEe,MAAMC,gBAAgB,SAASC,cAAY,CAAY;EACpEC,WAAWA,CAACC,KAAiB,EAAa;IACxC,OAAO,IAAIT,SAAS,CAACS,KAAK,CAAC;EAC7B;EAEAC,WAAWA,CAACC,IAAY,EAAEC,WAAyB,EAAEC,GAAa,EAAE;IAClE,MAAMC,KAAK,GAAG,IAAI,CAACC,YAAY,CAAC,CAAC;IACjC,IAAIH,WAAW,GAAGI,sCAA0B,EAAE;MAC5C,IAAI,CAACC,yBAAyB,CAACH,KAAK,EAAEH,IAAI,EAAEC,WAAW,EAAEC,GAAG,CAAC;MAC7D,IAAI,CAACK,kBAAkB,CAACJ,KAAK,EAAEH,IAAI,CAAC;MACpCG,KAAK,CAACV,gBAAgB,CAACe,GAAG,CAACR,IAAI,CAAC;MAChC;IACF;IAEA,KAAK,CAACD,WAAW,CAACC,IAAI,EAAEC,WAAW,EAAEC,GAAG,CAAC;EAC3C;EAEAO,mBAAmBA,CACjBN,KAAgB,EAChBH,IAAY,EACZC,WAAyB,EAChB;IACT,IAAI,KAAK,CAACQ,mBAAmB,CAACN,KAAK,EAAEH,IAAI,EAAEC,WAAW,CAAC,EAAE,OAAO,IAAI;IAEpE,IAAIA,WAAW,GAAGI,sCAA0B,EAAE;MAC5C,OACE,CAACF,KAAK,CAACV,gBAAgB,CAACiB,GAAG,CAACV,IAAI,CAAC,KAChCG,KAAK,CAACQ,OAAO,CAACD,GAAG,CAACV,IAAI,CAAC,IAAIG,KAAK,CAACS,SAAS,CAACF,GAAG,CAACV,IAAI,CAAC,CAAC;IAE1D;IAEA,OAAO,KAAK;EACd;EAEAa,gBAAgBA,CAACC,EAAgB,EAAE;IACjC,IAAI,CAAC,IAAI,CAACC,UAAU,CAAC,CAAC,CAAC,CAACtB,gBAAgB,CAACiB,GAAG,CAACI,EAAE,CAACd,IAAI,CAAC,EAAE;MACrD,KAAK,CAACa,gBAAgB,CAACC,EAAE,CAAC;IAC5B;EACF;AACF;AAACE,OAAA,CAAAC,OAAA,GAAAtB,gBAAA"}