Function tryGetElementAccessExpressionName

test/fixtures/snapshot/typescript.js:69372–69396

(node)

                type.flags & 384 /* TypeFlags.StringOrNumberLiteral */ ? ts.escapeLeadingUnderscores("" + type.value) : undefined;
        }
        function tryGetElementAccessExpressionName(node) {
            if (ts.isStringOrNumericLiteralLike(node.argumentExpression)) {
                return ts.escapeLeadingUnderscores(node.argumentExpression.text);
            }
            if (ts.isEntityNameExpression(node.argumentExpression)) {
                var symbol = resolveEntityName(node.argumentExpression, 111551 /* SymbolFlags.Value */, /*ignoreErrors*/ true);
                if (!symbol || !isConstVariable(symbol))
                    return undefined;
                var declaration = symbol.valueDeclaration;
                if (declaration === undefined)
                    return undefined;
                var type = tryGetTypeFromEffectiveTypeNode(declaration);
                if (type) {
                    var name = tryGetNameFromType(type);
                    if (name !== undefined) {
                        return name;
                    }
                }
                if (ts.hasOnlyExpressionInitializer(declaration)) {
                    var initializer = ts.getEffectiveInitializer(declaration);
                    return initializer && tryGetNameFromType(getTypeOfExpression(initializer));
                }
            }
            return undefined;
        }
        function containsMatchingReference(source, target) {
            while (ts.isAccessExpression(source)) {
                source = source.expression;