"use strict";
// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
// See LICENSE in the project root for license information.
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Object.defineProperty(exports, "__esModule", { value: true });
exports.TypeScriptInternals = void 0;
/* eslint-disable @typescript-eslint/no-explicit-any */
const ts = __importStar(require("typescript"));
const node_core_library_1 = require("@rushstack/node-core-library");
class TypeScriptInternals {
    static getImmediateAliasedSymbol(symbol, typeChecker) {
        // Compiler internal:
        // https://github.com/microsoft/TypeScript/blob/v3.2.2/src/compiler/checker.ts
        return typeChecker.getImmediateAliasedSymbol(symbol); // eslint-disable-line @typescript-eslint/no-explicit-any
    }
    /**
     * Returns the Symbol for the provided Declaration.  This is a workaround for a missing
     * feature of the TypeScript Compiler API.   It is the only apparent way to reach
     * certain data structures, and seems to always work, but is not officially documented.
     *
     * @returns The associated Symbol.  If there is no semantic information (e.g. if the
     * declaration is an extra semicolon somewhere), then "undefined" is returned.
     */
    static tryGetSymbolForDeclaration(declaration, checker) {
        let symbol = declaration.symbol;
        if (symbol && symbol.escapedName === ts.InternalSymbolName.Computed) {
            const name = ts.getNameOfDeclaration(declaration);
            symbol = (name && checker.getSymbolAtLocation(name)) || symbol;
        }
        return symbol;
    }
    /**
     * Returns whether the provided Symbol is a TypeScript "late-bound" Symbol (i.e. was created by the Checker
     * for a computed property based on its type, rather than by the Binder).
     */
    static isLateBoundSymbol(symbol) {
        if (
        // eslint-disable-next-line no-bitwise
        symbol.flags & ts.SymbolFlags.Transient &&
            ts.getCheckFlags(symbol) === ts.CheckFlags.Late) {
            return true;
        }
        return false;
    }
    /**
     * Retrieves the comment ranges associated with the specified node.
     */
    static getJSDocCommentRanges(node, text) {
        // Compiler internal:
        // https://github.com/microsoft/TypeScript/blob/v2.4.2/src/compiler/utilities.ts#L616
        return ts.getJSDocCommentRanges.apply(this, arguments);
    }
    /**
     * Retrieves the (unescaped) value of an string literal, numeric literal, or identifier.
     */
    static getTextOfIdentifierOrLiteral(node) {
        // Compiler internal:
        // https://github.com/microsoft/TypeScript/blob/v3.2.2/src/compiler/utilities.ts#L2721
        return ts.getTextOfIdentifierOrLiteral(node);
    }
    /**
     * Retrieves the (cached) module resolution information for a module name that was exported from a SourceFile.
     * The compiler populates this cache as part of analyzing the source file.
     */
    static getResolvedModule(sourceFile, moduleNameText, mode) {
        // Compiler internal:
        // https://github.com/microsoft/TypeScript/blob/v4.7.2/src/compiler/utilities.ts#L161
        return ts.getResolvedModule(sourceFile, moduleNameText, mode);
    }
    /**
     * Gets the mode required for module resolution required with the addition of Node16/nodenext
     */
    static getModeForUsageLocation(file, usage) {
        // Compiler internal:
        // https://github.com/microsoft/TypeScript/blob/v4.7.2/src/compiler/program.ts#L568
        var _a, _b;
        return (_b = (_a = ts).getModeForUsageLocation) === null || _b === void 0 ? void 0 : _b.call(_a, file, usage);
    }
    /**
     * Returns ts.Symbol.parent if it exists.
     */
    static getSymbolParent(symbol) {
        return symbol.parent;
    }
    /**
     * In an statement like `export default class X { }`, the `Symbol.name` will be `default`
     * whereas the `localSymbol` is `X`.
     */
    static tryGetLocalSymbol(declaration) {
        return declaration.localSymbol;
    }
    static getGlobalVariableAnalyzer(program) {
        var _a;
        const anyProgram = program;
        const typeCheckerInstance = (_a = anyProgram.getDiagnosticsProducingTypeChecker) !== null && _a !== void 0 ? _a : anyProgram.getTypeChecker;
        if (!typeCheckerInstance) {
            throw new node_core_library_1.InternalError('Missing Program.getDiagnosticsProducingTypeChecker or Program.getTypeChecker');
        }
        const typeChecker = typeCheckerInstance();
        if (!typeChecker.getEmitResolver) {
            throw new node_core_library_1.InternalError('Missing TypeChecker.getEmitResolver');
        }
        const resolver = typeChecker.getEmitResolver();
        if (!resolver.hasGlobalName) {
            throw new node_core_library_1.InternalError('Missing EmitResolver.hasGlobalName');
        }
        return resolver;
    }
    /**
     * Returns whether a variable is declared with the const keyword
     */
    static isVarConst(node) {
        // Compiler internal: https://github.com/microsoft/TypeScript/blob/71286e3d49c10e0e99faac360a6bbd40f12db7b6/src/compiler/utilities.ts#L925
        return ts.isVarConst(node);
    }
}
exports.TypeScriptInternals = TypeScriptInternals;
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