first

node_modules/@babel/parser/lib/plugins/flow/scope.js

@@ -0,0 +1,44 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var _scope = require("../../util/scope");
+var _scopeflags = require("../../util/scopeflags");
+class FlowScope extends _scope.Scope {
+  constructor(...args) {
+    super(...args);
+    this.declareFunctions = new Set();
+  }
+}
+class FlowScopeHandler extends _scope.default {
+  createScope(flags) {
+    return new FlowScope(flags);
+  }
+  declareName(name, bindingType, loc) {
+    const scope = this.currentScope();
+    if (bindingType & _scopeflags.BindingFlag.FLAG_FLOW_DECLARE_FN) {
+      this.checkRedeclarationInScope(scope, name, bindingType, loc);
+      this.maybeExportDefined(scope, name);
+      scope.declareFunctions.add(name);
+      return;
+    }
+    super.declareName(name, bindingType, loc);
+  }
+  isRedeclaredInScope(scope, name, bindingType) {
+    if (super.isRedeclaredInScope(scope, name, bindingType)) return true;
+    if (bindingType & _scopeflags.BindingFlag.FLAG_FLOW_DECLARE_FN) {
+      return !scope.declareFunctions.has(name) && (scope.lexical.has(name) || scope.functions.has(name));
+    }
+    return false;
+  }
+  checkLocalExport(id) {
+    if (!this.scopeStack[0].declareFunctions.has(id.name)) {
+      super.checkLocalExport(id);
+    }
+  }
+}
+exports.default = FlowScopeHandler;
+
+//# sourceMappingURL=scope.js.map

node_modules/@babel/parser/lib/plugins/flow/scope.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["_scope","require","_scopeflags","FlowScope","Scope","constructor","args","declareFunctions","Set","FlowScopeHandler","ScopeHandler","createScope","flags","declareName","name","bindingType","loc","scope","currentScope","BindingFlag","FLAG_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  BindingFlag,\n  type ScopeFlag,\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: ScopeFlag): FlowScope {\n    return new FlowScope(flags);\n  }\n\n  declareName(name: string, bindingType: BindingTypes, loc: Position) {\n    const scope = this.currentScope();\n    if (bindingType & BindingFlag.FLAG_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 & BindingFlag.FLAG_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,KAAgB,EAAa;IACvC,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,uBAAW,CAACC,oBAAoB,EAAE;MAClD,IAAI,CAACC,yBAAyB,CAACJ,KAAK,EAAEH,IAAI,EAAEC,WAAW,EAAEC,GAAG,CAAC;MAC7D,IAAI,CAACM,kBAAkB,CAACL,KAAK,EAAEH,IAAI,CAAC;MACpCG,KAAK,CAACV,gBAAgB,CAACgB,GAAG,CAACT,IAAI,CAAC;MAChC;IACF;IAEA,KAAK,CAACD,WAAW,CAACC,IAAI,EAAEC,WAAW,EAAEC,GAAG,CAAC;EAC3C;EAEAQ,mBAAmBA,CACjBP,KAAgB,EAChBH,IAAY,EACZC,WAAyB,EAChB;IACT,IAAI,KAAK,CAACS,mBAAmB,CAACP,KAAK,EAAEH,IAAI,EAAEC,WAAW,CAAC,EAAE,OAAO,IAAI;IAEpE,IAAIA,WAAW,GAAGI,uBAAW,CAACC,oBAAoB,EAAE;MAClD,OACE,CAACH,KAAK,CAACV,gBAAgB,CAACkB,GAAG,CAACX,IAAI,CAAC,KAChCG,KAAK,CAACS,OAAO,CAACD,GAAG,CAACX,IAAI,CAAC,IAAIG,KAAK,CAACU,SAAS,CAACF,GAAG,CAACX,IAAI,CAAC,CAAC;IAE1D;IAEA,OAAO,KAAK;EACd;EAEAc,gBAAgBA,CAACC,EAAgB,EAAE;IACjC,IAAI,CAAC,IAAI,CAACC,UAAU,CAAC,CAAC,CAAC,CAACvB,gBAAgB,CAACkB,GAAG,CAACI,EAAE,CAACf,IAAI,CAAC,EAAE;MACrD,KAAK,CAACc,gBAAgB,CAACC,EAAE,CAAC;IAC5B;EACF;AACF;AAACE,OAAA,CAAAC,OAAA,GAAAvB,gBAAA"}