fix(types): add literal to possible where options (#10990)

types/lib/model.d.ts

@@ -121,7 +121,7 @@ export interface ScopeOptions {
 /**
  * The type accepted by every `where` option
  */
-export type WhereOptions = WhereAttributeHash | AndOperator | OrOperator | Where;
+export type WhereOptions = WhereAttributeHash | AndOperator | OrOperator | Literal | Where;
 
 /**
  * Example: `[Op.any]: [2,3]` becomes `ANY ARRAY[2, 3]::INTEGER`

types/test/where.ts

-import { AndOperator, fn, Model, Op, OrOperator, Sequelize, WhereOperators, WhereOptions, where as whereFn } from 'sequelize';
+import { AndOperator, fn, Model, Op, OrOperator, Sequelize, WhereOperators, WhereOptions, literal, where as whereFn } from 'sequelize';
 import Transaction from '../lib/transaction';
 
 class MyModel extends Model {
@@ -266,6 +266,13 @@ where = whereFn('test', {
   [Op.gt]: new Date(),
 });
 
+// Literal as where
+where = literal('true')
+
+MyModel.findAll({
+    where: literal('true')
+})
+
 // Where as having option
 MyModel.findAll({
   having: where