.gitignore added
[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / tsutils / util / usage.js
diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/tsutils/util/usage.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tsutils/util/usage.js
new file mode 100644 (file)
index 0000000..fa24e64
--- /dev/null
@@ -0,0 +1,658 @@
+"use strict";\r
+Object.defineProperty(exports, "__esModule", { value: true });\r
+exports.collectVariableUsage = exports.getDeclarationDomain = exports.getUsageDomain = exports.UsageDomain = exports.DeclarationDomain = void 0;\r
+const util_1 = require("./util");\r
+const ts = require("typescript");\r
+var DeclarationDomain;\r
+(function (DeclarationDomain) {\r
+    DeclarationDomain[DeclarationDomain["Namespace"] = 1] = "Namespace";\r
+    DeclarationDomain[DeclarationDomain["Type"] = 2] = "Type";\r
+    DeclarationDomain[DeclarationDomain["Value"] = 4] = "Value";\r
+    DeclarationDomain[DeclarationDomain["Import"] = 8] = "Import";\r
+    DeclarationDomain[DeclarationDomain["Any"] = 7] = "Any";\r
+})(DeclarationDomain = exports.DeclarationDomain || (exports.DeclarationDomain = {}));\r
+var UsageDomain;\r
+(function (UsageDomain) {\r
+    UsageDomain[UsageDomain["Namespace"] = 1] = "Namespace";\r
+    UsageDomain[UsageDomain["Type"] = 2] = "Type";\r
+    UsageDomain[UsageDomain["Value"] = 4] = "Value";\r
+    UsageDomain[UsageDomain["ValueOrNamespace"] = 5] = "ValueOrNamespace";\r
+    UsageDomain[UsageDomain["Any"] = 7] = "Any";\r
+    UsageDomain[UsageDomain["TypeQuery"] = 8] = "TypeQuery";\r
+})(UsageDomain = exports.UsageDomain || (exports.UsageDomain = {}));\r
+// TODO handle cases where values are used only for their types, e.g. `declare [propSymbol]: number`\r
+function getUsageDomain(node) {\r
+    const parent = node.parent;\r
+    switch (parent.kind) {\r
+        case ts.SyntaxKind.TypeReference:\r
+            return node.originalKeywordKind !== ts.SyntaxKind.ConstKeyword ? 2 /* Type */ : undefined;\r
+        case ts.SyntaxKind.ExpressionWithTypeArguments:\r
+            return parent.parent.token === ts.SyntaxKind.ImplementsKeyword ||\r
+                parent.parent.parent.kind === ts.SyntaxKind.InterfaceDeclaration\r
+                ? 2 /* Type */\r
+                : 4 /* Value */;\r
+        case ts.SyntaxKind.TypeQuery:\r
+            return 5 /* ValueOrNamespace */ | 8 /* TypeQuery */;\r
+        case ts.SyntaxKind.QualifiedName:\r
+            if (parent.left === node) {\r
+                if (getEntityNameParent(parent).kind === ts.SyntaxKind.TypeQuery)\r
+                    return 1 /* Namespace */ | 8 /* TypeQuery */;\r
+                return 1 /* Namespace */;\r
+            }\r
+            break;\r
+        case ts.SyntaxKind.ExportSpecifier:\r
+            // either {name} or {propertyName as name}\r
+            if (parent.propertyName === undefined ||\r
+                parent.propertyName === node)\r
+                return 7 /* Any */; // TODO handle type-only exports\r
+            break;\r
+        case ts.SyntaxKind.ExportAssignment:\r
+            return 7 /* Any */;\r
+        // Value\r
+        case ts.SyntaxKind.BindingElement:\r
+            if (parent.initializer === node)\r
+                return 5 /* ValueOrNamespace */;\r
+            break;\r
+        case ts.SyntaxKind.Parameter:\r
+        case ts.SyntaxKind.EnumMember:\r
+        case ts.SyntaxKind.PropertyDeclaration:\r
+        case ts.SyntaxKind.VariableDeclaration:\r
+        case ts.SyntaxKind.PropertyAssignment:\r
+        case ts.SyntaxKind.PropertyAccessExpression:\r
+        case ts.SyntaxKind.ImportEqualsDeclaration:\r
+            if (parent.name !== node)\r
+                return 5 /* ValueOrNamespace */; // TODO handle type-only imports\r
+            break;\r
+        case ts.SyntaxKind.JsxAttribute:\r
+        case ts.SyntaxKind.FunctionDeclaration:\r
+        case ts.SyntaxKind.FunctionExpression:\r
+        case ts.SyntaxKind.NamespaceImport:\r
+        case ts.SyntaxKind.ClassDeclaration:\r
+        case ts.SyntaxKind.ClassExpression:\r
+        case ts.SyntaxKind.ModuleDeclaration:\r
+        case ts.SyntaxKind.MethodDeclaration:\r
+        case ts.SyntaxKind.EnumDeclaration:\r
+        case ts.SyntaxKind.GetAccessor:\r
+        case ts.SyntaxKind.SetAccessor:\r
+        case ts.SyntaxKind.LabeledStatement:\r
+        case ts.SyntaxKind.BreakStatement:\r
+        case ts.SyntaxKind.ContinueStatement:\r
+        case ts.SyntaxKind.ImportClause:\r
+        case ts.SyntaxKind.ImportSpecifier:\r
+        case ts.SyntaxKind.TypePredicate: // TODO this actually references a parameter\r
+        case ts.SyntaxKind.MethodSignature:\r
+        case ts.SyntaxKind.PropertySignature:\r
+        case ts.SyntaxKind.NamespaceExportDeclaration:\r
+        case ts.SyntaxKind.NamespaceExport:\r
+        case ts.SyntaxKind.InterfaceDeclaration:\r
+        case ts.SyntaxKind.TypeAliasDeclaration:\r
+        case ts.SyntaxKind.TypeParameter:\r
+        case ts.SyntaxKind.NamedTupleMember:\r
+            break;\r
+        default:\r
+            return 5 /* ValueOrNamespace */;\r
+    }\r
+}\r
+exports.getUsageDomain = getUsageDomain;\r
+function getDeclarationDomain(node) {\r
+    switch (node.parent.kind) {\r
+        case ts.SyntaxKind.TypeParameter:\r
+        case ts.SyntaxKind.InterfaceDeclaration:\r
+        case ts.SyntaxKind.TypeAliasDeclaration:\r
+            return 2 /* Type */;\r
+        case ts.SyntaxKind.ClassDeclaration:\r
+        case ts.SyntaxKind.ClassExpression:\r
+            return 2 /* Type */ | 4 /* Value */;\r
+        case ts.SyntaxKind.EnumDeclaration:\r
+            return 7 /* Any */;\r
+        case ts.SyntaxKind.NamespaceImport:\r
+        case ts.SyntaxKind.ImportClause:\r
+            return 7 /* Any */ | 8 /* Import */; // TODO handle type-only imports\r
+        case ts.SyntaxKind.ImportEqualsDeclaration:\r
+        case ts.SyntaxKind.ImportSpecifier:\r
+            return node.parent.name === node\r
+                ? 7 /* Any */ | 8 /* Import */ // TODO handle type-only imports\r
+                : undefined;\r
+        case ts.SyntaxKind.ModuleDeclaration:\r
+            return 1 /* Namespace */;\r
+        case ts.SyntaxKind.Parameter:\r
+            if (node.parent.parent.kind === ts.SyntaxKind.IndexSignature || node.originalKeywordKind === ts.SyntaxKind.ThisKeyword)\r
+                return;\r
+        // falls through\r
+        case ts.SyntaxKind.BindingElement:\r
+        case ts.SyntaxKind.VariableDeclaration:\r
+            return node.parent.name === node ? 4 /* Value */ : undefined;\r
+        case ts.SyntaxKind.FunctionDeclaration:\r
+        case ts.SyntaxKind.FunctionExpression:\r
+            return 4 /* Value */;\r
+    }\r
+}\r
+exports.getDeclarationDomain = getDeclarationDomain;\r
+function collectVariableUsage(sourceFile) {\r
+    return new UsageWalker().getUsage(sourceFile);\r
+}\r
+exports.collectVariableUsage = collectVariableUsage;\r
+class AbstractScope {\r
+    constructor(_global) {\r
+        this._global = _global;\r
+        this._variables = new Map();\r
+        this._uses = [];\r
+        this._namespaceScopes = undefined;\r
+        this._enumScopes = undefined;\r
+    }\r
+    addVariable(identifier, name, selector, exported, domain) {\r
+        const variables = this.getDestinationScope(selector).getVariables();\r
+        const declaration = {\r
+            domain,\r
+            exported,\r
+            declaration: name,\r
+        };\r
+        const variable = variables.get(identifier);\r
+        if (variable === undefined) {\r
+            variables.set(identifier, {\r
+                domain,\r
+                declarations: [declaration],\r
+                uses: [],\r
+            });\r
+        }\r
+        else {\r
+            variable.domain |= domain;\r
+            variable.declarations.push(declaration);\r
+        }\r
+    }\r
+    addUse(use) {\r
+        this._uses.push(use);\r
+    }\r
+    getVariables() {\r
+        return this._variables;\r
+    }\r
+    getFunctionScope() {\r
+        return this;\r
+    }\r
+    end(cb) {\r
+        if (this._namespaceScopes !== undefined)\r
+            this._namespaceScopes.forEach((value) => value.finish(cb));\r
+        this._namespaceScopes = this._enumScopes = undefined;\r
+        this._applyUses();\r
+        this._variables.forEach((variable) => {\r
+            for (const declaration of variable.declarations) {\r
+                const result = {\r
+                    declarations: [],\r
+                    domain: declaration.domain,\r
+                    exported: declaration.exported,\r
+                    inGlobalScope: this._global,\r
+                    uses: [],\r
+                };\r
+                for (const other of variable.declarations)\r
+                    if (other.domain & declaration.domain)\r
+                        result.declarations.push(other.declaration);\r
+                for (const use of variable.uses)\r
+                    if (use.domain & declaration.domain)\r
+                        result.uses.push(use);\r
+                cb(result, declaration.declaration, this);\r
+            }\r
+        });\r
+    }\r
+    // tslint:disable-next-line:prefer-function-over-method\r
+    markExported(_name) { } // only relevant for the root scope\r
+    createOrReuseNamespaceScope(name, _exported, ambient, hasExportStatement) {\r
+        let scope;\r
+        if (this._namespaceScopes === undefined) {\r
+            this._namespaceScopes = new Map();\r
+        }\r
+        else {\r
+            scope = this._namespaceScopes.get(name);\r
+        }\r
+        if (scope === undefined) {\r
+            scope = new NamespaceScope(ambient, hasExportStatement, this);\r
+            this._namespaceScopes.set(name, scope);\r
+        }\r
+        else {\r
+            scope.refresh(ambient, hasExportStatement);\r
+        }\r
+        return scope;\r
+    }\r
+    createOrReuseEnumScope(name, _exported) {\r
+        let scope;\r
+        if (this._enumScopes === undefined) {\r
+            this._enumScopes = new Map();\r
+        }\r
+        else {\r
+            scope = this._enumScopes.get(name);\r
+        }\r
+        if (scope === undefined) {\r
+            scope = new EnumScope(this);\r
+            this._enumScopes.set(name, scope);\r
+        }\r
+        return scope;\r
+    }\r
+    _applyUses() {\r
+        for (const use of this._uses)\r
+            if (!this._applyUse(use))\r
+                this._addUseToParent(use);\r
+        this._uses = [];\r
+    }\r
+    _applyUse(use, variables = this._variables) {\r
+        const variable = variables.get(use.location.text);\r
+        if (variable === undefined || (variable.domain & use.domain) === 0)\r
+            return false;\r
+        variable.uses.push(use);\r
+        return true;\r
+    }\r
+    _addUseToParent(_use) { } // tslint:disable-line:prefer-function-over-method\r
+}\r
+class RootScope extends AbstractScope {\r
+    constructor(_exportAll, global) {\r
+        super(global);\r
+        this._exportAll = _exportAll;\r
+        this._exports = undefined;\r
+        this._innerScope = new NonRootScope(this, 1 /* Function */);\r
+    }\r
+    addVariable(identifier, name, selector, exported, domain) {\r
+        if (domain & 8 /* Import */)\r
+            return super.addVariable(identifier, name, selector, exported, domain);\r
+        return this._innerScope.addVariable(identifier, name, selector, exported, domain);\r
+    }\r
+    addUse(use, origin) {\r
+        if (origin === this._innerScope)\r
+            return super.addUse(use);\r
+        return this._innerScope.addUse(use);\r
+    }\r
+    markExported(id) {\r
+        if (this._exports === undefined) {\r
+            this._exports = [id.text];\r
+        }\r
+        else {\r
+            this._exports.push(id.text);\r
+        }\r
+    }\r
+    end(cb) {\r
+        this._innerScope.end((value, key) => {\r
+            value.exported = value.exported || this._exportAll\r
+                || this._exports !== undefined && this._exports.includes(key.text);\r
+            value.inGlobalScope = this._global;\r
+            return cb(value, key, this);\r
+        });\r
+        return super.end((value, key, scope) => {\r
+            value.exported = value.exported || scope === this\r
+                && this._exports !== undefined && this._exports.includes(key.text);\r
+            return cb(value, key, scope);\r
+        });\r
+    }\r
+    getDestinationScope() {\r
+        return this;\r
+    }\r
+}\r
+class NonRootScope extends AbstractScope {\r
+    constructor(_parent, _boundary) {\r
+        super(false);\r
+        this._parent = _parent;\r
+        this._boundary = _boundary;\r
+    }\r
+    _addUseToParent(use) {\r
+        return this._parent.addUse(use, this);\r
+    }\r
+    getDestinationScope(selector) {\r
+        return this._boundary & selector\r
+            ? this\r
+            : this._parent.getDestinationScope(selector);\r
+    }\r
+}\r
+class EnumScope extends NonRootScope {\r
+    constructor(parent) {\r
+        super(parent, 1 /* Function */);\r
+    }\r
+    end() {\r
+        this._applyUses();\r
+    }\r
+}\r
+class ConditionalTypeScope extends NonRootScope {\r
+    constructor(parent) {\r
+        super(parent, 8 /* ConditionalType */);\r
+        this._state = 0 /* Initial */;\r
+    }\r
+    updateState(newState) {\r
+        this._state = newState;\r
+    }\r
+    addUse(use) {\r
+        if (this._state === 2 /* TrueType */)\r
+            return void this._uses.push(use);\r
+        return this._parent.addUse(use, this);\r
+    }\r
+}\r
+class FunctionScope extends NonRootScope {\r
+    constructor(parent) {\r
+        super(parent, 1 /* Function */);\r
+    }\r
+    beginBody() {\r
+        this._applyUses();\r
+    }\r
+}\r
+class AbstractNamedExpressionScope extends NonRootScope {\r
+    constructor(_name, _domain, parent) {\r
+        super(parent, 1 /* Function */);\r
+        this._name = _name;\r
+        this._domain = _domain;\r
+    }\r
+    end(cb) {\r
+        this._innerScope.end(cb);\r
+        return cb({\r
+            declarations: [this._name],\r
+            domain: this._domain,\r
+            exported: false,\r
+            uses: this._uses,\r
+            inGlobalScope: false,\r
+        }, this._name, this);\r
+    }\r
+    addUse(use, source) {\r
+        if (source !== this._innerScope)\r
+            return this._innerScope.addUse(use);\r
+        if (use.domain & this._domain && use.location.text === this._name.text) {\r
+            this._uses.push(use);\r
+        }\r
+        else {\r
+            return this._parent.addUse(use, this);\r
+        }\r
+    }\r
+    getFunctionScope() {\r
+        return this._innerScope;\r
+    }\r
+    getDestinationScope() {\r
+        return this._innerScope;\r
+    }\r
+}\r
+class FunctionExpressionScope extends AbstractNamedExpressionScope {\r
+    constructor(name, parent) {\r
+        super(name, 4 /* Value */, parent);\r
+        this._innerScope = new FunctionScope(this);\r
+    }\r
+    beginBody() {\r
+        return this._innerScope.beginBody();\r
+    }\r
+}\r
+class ClassExpressionScope extends AbstractNamedExpressionScope {\r
+    constructor(name, parent) {\r
+        super(name, 4 /* Value */ | 2 /* Type */, parent);\r
+        this._innerScope = new NonRootScope(this, 1 /* Function */);\r
+    }\r
+}\r
+class BlockScope extends NonRootScope {\r
+    constructor(_functionScope, parent) {\r
+        super(parent, 2 /* Block */);\r
+        this._functionScope = _functionScope;\r
+    }\r
+    getFunctionScope() {\r
+        return this._functionScope;\r
+    }\r
+}\r
+function mapDeclaration(declaration) {\r
+    return {\r
+        declaration,\r
+        exported: true,\r
+        domain: getDeclarationDomain(declaration),\r
+    };\r
+}\r
+class NamespaceScope extends NonRootScope {\r
+    constructor(_ambient, _hasExport, parent) {\r
+        super(parent, 1 /* Function */);\r
+        this._ambient = _ambient;\r
+        this._hasExport = _hasExport;\r
+        this._innerScope = new NonRootScope(this, 1 /* Function */);\r
+        this._exports = undefined;\r
+    }\r
+    finish(cb) {\r
+        return super.end(cb);\r
+    }\r
+    end(cb) {\r
+        this._innerScope.end((variable, key, scope) => {\r
+            if (scope !== this._innerScope ||\r
+                !variable.exported && (!this._ambient || this._exports !== undefined && !this._exports.has(key.text)))\r
+                return cb(variable, key, scope);\r
+            const namespaceVar = this._variables.get(key.text);\r
+            if (namespaceVar === undefined) {\r
+                this._variables.set(key.text, {\r
+                    declarations: variable.declarations.map(mapDeclaration),\r
+                    domain: variable.domain,\r
+                    uses: [...variable.uses],\r
+                });\r
+            }\r
+            else {\r
+                outer: for (const declaration of variable.declarations) {\r
+                    for (const existing of namespaceVar.declarations)\r
+                        if (existing.declaration === declaration)\r
+                            continue outer;\r
+                    namespaceVar.declarations.push(mapDeclaration(declaration));\r
+                }\r
+                namespaceVar.domain |= variable.domain;\r
+                for (const use of variable.uses) {\r
+                    if (namespaceVar.uses.includes(use))\r
+                        continue;\r
+                    namespaceVar.uses.push(use);\r
+                }\r
+            }\r
+        });\r
+        this._applyUses();\r
+        this._innerScope = new NonRootScope(this, 1 /* Function */);\r
+    }\r
+    createOrReuseNamespaceScope(name, exported, ambient, hasExportStatement) {\r
+        if (!exported && (!this._ambient || this._hasExport))\r
+            return this._innerScope.createOrReuseNamespaceScope(name, exported, ambient || this._ambient, hasExportStatement);\r
+        return super.createOrReuseNamespaceScope(name, exported, ambient || this._ambient, hasExportStatement);\r
+    }\r
+    createOrReuseEnumScope(name, exported) {\r
+        if (!exported && (!this._ambient || this._hasExport))\r
+            return this._innerScope.createOrReuseEnumScope(name, exported);\r
+        return super.createOrReuseEnumScope(name, exported);\r
+    }\r
+    addUse(use, source) {\r
+        if (source !== this._innerScope)\r
+            return this._innerScope.addUse(use);\r
+        this._uses.push(use);\r
+    }\r
+    refresh(ambient, hasExport) {\r
+        this._ambient = ambient;\r
+        this._hasExport = hasExport;\r
+    }\r
+    markExported(name, _as) {\r
+        if (this._exports === undefined)\r
+            this._exports = new Set();\r
+        this._exports.add(name.text);\r
+    }\r
+    getDestinationScope() {\r
+        return this._innerScope;\r
+    }\r
+}\r
+function getEntityNameParent(name) {\r
+    let parent = name.parent;\r
+    while (parent.kind === ts.SyntaxKind.QualifiedName)\r
+        parent = parent.parent;\r
+    return parent;\r
+}\r
+// TODO class decorators resolve outside of class, element and parameter decorator resolve inside/at the class\r
+// TODO computed property name resolves inside/at the cass\r
+// TODO this and super in all of them are resolved outside of the class\r
+class UsageWalker {\r
+    constructor() {\r
+        this._result = new Map();\r
+    }\r
+    getUsage(sourceFile) {\r
+        const variableCallback = (variable, key) => {\r
+            this._result.set(key, variable);\r
+        };\r
+        const isModule = ts.isExternalModule(sourceFile);\r
+        this._scope = new RootScope(sourceFile.isDeclarationFile && isModule && !containsExportStatement(sourceFile), !isModule);\r
+        const cb = (node) => {\r
+            if (util_1.isBlockScopeBoundary(node))\r
+                return continueWithScope(node, new BlockScope(this._scope.getFunctionScope(), this._scope), handleBlockScope);\r
+            switch (node.kind) {\r
+                case ts.SyntaxKind.ClassExpression:\r
+                    return continueWithScope(node, node.name !== undefined\r
+                        ? new ClassExpressionScope(node.name, this._scope)\r
+                        : new NonRootScope(this._scope, 1 /* Function */));\r
+                case ts.SyntaxKind.ClassDeclaration:\r
+                    this._handleDeclaration(node, true, 4 /* Value */ | 2 /* Type */);\r
+                    return continueWithScope(node, new NonRootScope(this._scope, 1 /* Function */));\r
+                case ts.SyntaxKind.InterfaceDeclaration:\r
+                case ts.SyntaxKind.TypeAliasDeclaration:\r
+                    this._handleDeclaration(node, true, 2 /* Type */);\r
+                    return continueWithScope(node, new NonRootScope(this._scope, 4 /* Type */));\r
+                case ts.SyntaxKind.EnumDeclaration:\r
+                    this._handleDeclaration(node, true, 7 /* Any */);\r
+                    return continueWithScope(node, this._scope.createOrReuseEnumScope(node.name.text, util_1.hasModifier(node.modifiers, ts.SyntaxKind.ExportKeyword)));\r
+                case ts.SyntaxKind.ModuleDeclaration:\r
+                    return this._handleModule(node, continueWithScope);\r
+                case ts.SyntaxKind.MappedType:\r
+                    return continueWithScope(node, new NonRootScope(this._scope, 4 /* Type */));\r
+                case ts.SyntaxKind.FunctionExpression:\r
+                case ts.SyntaxKind.ArrowFunction:\r
+                case ts.SyntaxKind.Constructor:\r
+                case ts.SyntaxKind.MethodDeclaration:\r
+                case ts.SyntaxKind.FunctionDeclaration:\r
+                case ts.SyntaxKind.GetAccessor:\r
+                case ts.SyntaxKind.SetAccessor:\r
+                case ts.SyntaxKind.MethodSignature:\r
+                case ts.SyntaxKind.CallSignature:\r
+                case ts.SyntaxKind.ConstructSignature:\r
+                case ts.SyntaxKind.ConstructorType:\r
+                case ts.SyntaxKind.FunctionType:\r
+                    return this._handleFunctionLikeDeclaration(node, cb, variableCallback);\r
+                case ts.SyntaxKind.ConditionalType:\r
+                    return this._handleConditionalType(node, cb, variableCallback);\r
+                // End of Scope specific handling\r
+                case ts.SyntaxKind.VariableDeclarationList:\r
+                    this._handleVariableDeclaration(node);\r
+                    break;\r
+                case ts.SyntaxKind.Parameter:\r
+                    if (node.parent.kind !== ts.SyntaxKind.IndexSignature &&\r
+                        (node.name.kind !== ts.SyntaxKind.Identifier ||\r
+                            node.name.originalKeywordKind !== ts.SyntaxKind.ThisKeyword))\r
+                        this._handleBindingName(node.name, false, false);\r
+                    break;\r
+                case ts.SyntaxKind.EnumMember:\r
+                    this._scope.addVariable(util_1.getPropertyName(node.name), node.name, 1 /* Function */, true, 4 /* Value */);\r
+                    break;\r
+                case ts.SyntaxKind.ImportClause:\r
+                case ts.SyntaxKind.ImportSpecifier:\r
+                case ts.SyntaxKind.NamespaceImport:\r
+                case ts.SyntaxKind.ImportEqualsDeclaration:\r
+                    this._handleDeclaration(node, false, 7 /* Any */ | 8 /* Import */);\r
+                    break;\r
+                case ts.SyntaxKind.TypeParameter:\r
+                    this._scope.addVariable(node.name.text, node.name, node.parent.kind === ts.SyntaxKind.InferType ? 8 /* InferType */ : 7 /* Type */, false, 2 /* Type */);\r
+                    break;\r
+                case ts.SyntaxKind.ExportSpecifier:\r
+                    if (node.propertyName !== undefined)\r
+                        return this._scope.markExported(node.propertyName, node.name);\r
+                    return this._scope.markExported(node.name);\r
+                case ts.SyntaxKind.ExportAssignment:\r
+                    if (node.expression.kind === ts.SyntaxKind.Identifier)\r
+                        return this._scope.markExported(node.expression);\r
+                    break;\r
+                case ts.SyntaxKind.Identifier:\r
+                    const domain = getUsageDomain(node);\r
+                    if (domain !== undefined)\r
+                        this._scope.addUse({ domain, location: node });\r
+                    return;\r
+            }\r
+            return ts.forEachChild(node, cb);\r
+        };\r
+        const continueWithScope = (node, scope, next = forEachChild) => {\r
+            const savedScope = this._scope;\r
+            this._scope = scope;\r
+            next(node);\r
+            this._scope.end(variableCallback);\r
+            this._scope = savedScope;\r
+        };\r
+        const handleBlockScope = (node) => {\r
+            if (node.kind === ts.SyntaxKind.CatchClause && node.variableDeclaration !== undefined)\r
+                this._handleBindingName(node.variableDeclaration.name, true, false);\r
+            return ts.forEachChild(node, cb);\r
+        };\r
+        ts.forEachChild(sourceFile, cb);\r
+        this._scope.end(variableCallback);\r
+        return this._result;\r
+        function forEachChild(node) {\r
+            return ts.forEachChild(node, cb);\r
+        }\r
+    }\r
+    _handleConditionalType(node, cb, varCb) {\r
+        const savedScope = this._scope;\r
+        const scope = this._scope = new ConditionalTypeScope(savedScope);\r
+        cb(node.checkType);\r
+        scope.updateState(1 /* Extends */);\r
+        cb(node.extendsType);\r
+        scope.updateState(2 /* TrueType */);\r
+        cb(node.trueType);\r
+        scope.updateState(3 /* FalseType */);\r
+        cb(node.falseType);\r
+        scope.end(varCb);\r
+        this._scope = savedScope;\r
+    }\r
+    _handleFunctionLikeDeclaration(node, cb, varCb) {\r
+        if (node.decorators !== undefined)\r
+            node.decorators.forEach(cb);\r
+        const savedScope = this._scope;\r
+        if (node.kind === ts.SyntaxKind.FunctionDeclaration)\r
+            this._handleDeclaration(node, false, 4 /* Value */);\r
+        const scope = this._scope = node.kind === ts.SyntaxKind.FunctionExpression && node.name !== undefined\r
+            ? new FunctionExpressionScope(node.name, savedScope)\r
+            : new FunctionScope(savedScope);\r
+        if (node.name !== undefined)\r
+            cb(node.name);\r
+        if (node.typeParameters !== undefined)\r
+            node.typeParameters.forEach(cb);\r
+        node.parameters.forEach(cb);\r
+        if (node.type !== undefined)\r
+            cb(node.type);\r
+        if (node.body !== undefined) {\r
+            scope.beginBody();\r
+            cb(node.body);\r
+        }\r
+        scope.end(varCb);\r
+        this._scope = savedScope;\r
+    }\r
+    _handleModule(node, next) {\r
+        if (node.flags & ts.NodeFlags.GlobalAugmentation)\r
+            return next(node, this._scope.createOrReuseNamespaceScope('-global', false, true, false));\r
+        if (node.name.kind === ts.SyntaxKind.Identifier) {\r
+            const exported = isNamespaceExported(node);\r
+            this._scope.addVariable(node.name.text, node.name, 1 /* Function */, exported, 1 /* Namespace */ | 4 /* Value */);\r
+            const ambient = util_1.hasModifier(node.modifiers, ts.SyntaxKind.DeclareKeyword);\r
+            return next(node, this._scope.createOrReuseNamespaceScope(node.name.text, exported, ambient, ambient && namespaceHasExportStatement(node)));\r
+        }\r
+        return next(node, this._scope.createOrReuseNamespaceScope(`"${node.name.text}"`, false, true, namespaceHasExportStatement(node)));\r
+    }\r
+    _handleDeclaration(node, blockScoped, domain) {\r
+        if (node.name !== undefined)\r
+            this._scope.addVariable(node.name.text, node.name, blockScoped ? 3 /* Block */ : 1 /* Function */, util_1.hasModifier(node.modifiers, ts.SyntaxKind.ExportKeyword), domain);\r
+    }\r
+    _handleBindingName(name, blockScoped, exported) {\r
+        if (name.kind === ts.SyntaxKind.Identifier)\r
+            return this._scope.addVariable(name.text, name, blockScoped ? 3 /* Block */ : 1 /* Function */, exported, 4 /* Value */);\r
+        util_1.forEachDestructuringIdentifier(name, (declaration) => {\r
+            this._scope.addVariable(declaration.name.text, declaration.name, blockScoped ? 3 /* Block */ : 1 /* Function */, exported, 4 /* Value */);\r
+        });\r
+    }\r
+    _handleVariableDeclaration(declarationList) {\r
+        const blockScoped = util_1.isBlockScopedVariableDeclarationList(declarationList);\r
+        const exported = declarationList.parent.kind === ts.SyntaxKind.VariableStatement &&\r
+            util_1.hasModifier(declarationList.parent.modifiers, ts.SyntaxKind.ExportKeyword);\r
+        for (const declaration of declarationList.declarations)\r
+            this._handleBindingName(declaration.name, blockScoped, exported);\r
+    }\r
+}\r
+function isNamespaceExported(node) {\r
+    return node.parent.kind === ts.SyntaxKind.ModuleDeclaration || util_1.hasModifier(node.modifiers, ts.SyntaxKind.ExportKeyword);\r
+}\r
+function namespaceHasExportStatement(ns) {\r
+    if (ns.body === undefined || ns.body.kind !== ts.SyntaxKind.ModuleBlock)\r
+        return false;\r
+    return containsExportStatement(ns.body);\r
+}\r
+function containsExportStatement(block) {\r
+    for (const statement of block.statements)\r
+        if (statement.kind === ts.SyntaxKind.ExportDeclaration || statement.kind === ts.SyntaxKind.ExportAssignment)\r
+            return true;\r
+    return false;\r
+}\r
+//# sourceMappingURL=usage.js.map
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