Function checkTemplateExpression

test/fixtures/snapshot/typescript.js:79459–79472

(node)

                ts.isElementAccessExpression(parent) && parent.argumentExpression === node;
        }
        function checkTemplateExpression(node) {
            var texts = [node.head.text];
            var types = [];
            for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) {
                var span = _a[_i];
                var type = checkExpression(span.expression);
                if (maybeTypeOfKindConsideringBaseConstraint(type, 12288 /* TypeFlags.ESSymbolLike */)) {
                    error(span.expression, ts.Diagnostics.Implicit_conversion_of_a_symbol_to_a_string_will_fail_at_runtime_Consider_wrapping_this_expression_in_String);
                }
                texts.push(span.literal.text);
                types.push(isTypeAssignableTo(type, templateConstraintType) ? type : stringType);
            }
            return isConstContext(node) || isTemplateLiteralContext(node) || someType(getContextualType(node) || unknownType, isTemplateLiteralContextualType) ? getTemplateLiteralType(texts, types) : stringType;
        }
        function isTemplateLiteralContextualType(type) {
            return !!(type.flags & (128 /* TypeFlags.StringLiteral */ | 134217728 /* TypeFlags.TemplateLiteral */) ||
                type.flags & 58982400 /* TypeFlags.InstantiableNonPrimitive */ && maybeTypeOfKind(getBaseConstraintOfType(type) || unknownType, 402653316 /* TypeFlags.StringLike */));