Function typeParameterToName

test/fixtures/snapshot/typescript.js:53745–53775

(type, context)

                return false;
            }
            function typeParameterToName(type, context) {
                var _a, _b;
                if (context.flags & 4 /* NodeBuilderFlags.GenerateNamesForShadowedTypeParams */ && context.typeParameterNames) {
                    var cached = context.typeParameterNames.get(getTypeId(type));
                    if (cached) {
                        return cached;
                    }
                }
                var result = symbolToName(type.symbol, context, 788968 /* SymbolFlags.Type */, /*expectsIdentifier*/ true);
                if (!(result.kind & 79 /* SyntaxKind.Identifier */)) {
                    return ts.factory.createIdentifier("(Missing type parameter)");
                }
                if (context.flags & 4 /* NodeBuilderFlags.GenerateNamesForShadowedTypeParams */) {
                    var rawtext = result.escapedText;
                    var i = ((_a = context.typeParameterNamesByTextNextNameCount) === null || _a === void 0 ? void 0 : _a.get(rawtext)) || 0;
                    var text = rawtext;
                    while (((_b = context.typeParameterNamesByText) === null || _b === void 0 ? void 0 : _b.has(text)) || typeParameterShadowsNameInScope(text, context, type)) {
                        i++;
                        text = "".concat(rawtext, "_").concat(i);
                    }
                    if (text !== rawtext) {
                        result = ts.factory.createIdentifier(text, result.typeArguments);
                    }
                    // avoiding iterations of the above loop turns out to be worth it when `i` starts to get large, so we cache the max
                    // `i` we've used thus far, to save work later
                    (context.typeParameterNamesByTextNextNameCount || (context.typeParameterNamesByTextNextNameCount = new ts.Map())).set(rawtext, i);
                    (context.typeParameterNames || (context.typeParameterNames = new ts.Map())).set(getTypeId(type), result);
                    (context.typeParameterNamesByText || (context.typeParameterNamesByText = new ts.Set())).add(rawtext);
                }
                return result;
            }
            function symbolToName(symbol, context, meaning, expectsIdentifier) {
                var chain = lookupSymbolChain(symbol, context, meaning);
                if (expectsIdentifier && chain.length !== 1