docs: Use idiomatic boolean filters in query examples (#1306)

docs: Use idiomatic boolean filters instead of eq() for boolean comparisons

Replace eq(x, false) with not(x) and eq(x, true) with bare boolean refs
in query examples, aligning docs with the idiomatic API supported by #1304.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: kevin-dp

docs/collections/trailbase-collection.md

@@ -147,7 +147,8 @@ const todosCollection = createCollection(
 ## Complete Example
 
 ```typescript
-import { createCollection, eq } from '@tanstack/react-db'
+import { createCollection } from '@tanstack/react-db'
+import { not } from '@tanstack/db'
 import { trailBaseCollectionOptions } from '@tanstack/trailbase-db-collection'
 import { initClient } from 'trailbase'
 import { z } from 'zod'
@@ -195,7 +196,7 @@ export const todosCollection = createCollection<SelectTodo, Todo>(
 function TodoList() {
   const { data: todos } = useLiveQuery((q) =>
     q.from({ todo: todosCollection })
-      .where(({ todo }) => eq(todo.completed, false))
+      .where(({ todo }) => not(todo.completed))
       .orderBy(({ todo }) => todo.created_at, 'desc')
   )
 

docs/guides/schemas.md

@@ -831,7 +831,8 @@ A complete todo application demonstrating validation, transformations, and defau
 
 ```typescript
 import { z } from 'zod'
-import { createCollection, eq } from '@tanstack/react-db'
+import { createCollection } from '@tanstack/react-db'
+import { not } from '@tanstack/db'
 import { queryCollectionOptions } from '@tanstack/query-db-collection'
 
 // Schema with validation, transformations, and defaults
@@ -921,7 +922,7 @@ const todoCollection = createCollection(
 function TodoApp() {
   const { data: todos } = useLiveQuery(q =>
     q.from({ todo: todoCollection })
-      .where(({ todo }) => eq(todo.completed, false))
+      .where(({ todo }) => not(todo.completed))
       .orderBy(({ todo }) => todo.created_at, 'desc')
   )
 
@@ -991,7 +992,6 @@ function TodoApp() {
 
 ```typescript
 import { z } from 'zod'
-import { eq } from '@tanstack/db'
 
 // Schema with computed fields and transformations
 const productSchema = z.object({
@@ -1047,7 +1047,7 @@ const productCollection = createCollection(
 function ProductList() {
   const { data: products } = useLiveQuery(q =>
     q.from({ product: productCollection })
-      .where(({ product }) => eq(product.in_stock, true))  // Use computed field
+      .where(({ product }) => product.in_stock)  // Use computed field
       .orderBy(({ product }) => product.final_price, 'asc')
   )
 

docs/overview.md

@@ -57,7 +57,7 @@ const todoCollection = createCollection({
 const Todos = () => {
   // Bind data using live queries
   const { data: todos } = useLiveQuery((q) =>
-    q.from({ todo: todoCollection }).where(({ todo }) => eq(todo.completed, false))
+    q.from({ todo: todoCollection }).where(({ todo }) => not(todo.completed))
   )
 
   const complete = (todo) => {

docs/reference/classes/BaseQueryBuilder.md

@@ -288,7 +288,7 @@ A QueryBuilder with the specified source
 query.from({ users: usersCollection })
 
 // Query from a subquery
-const activeUsers = query.from({ u: usersCollection }).where(({u}) => eq(u.active, true))
+const activeUsers = query.from({ u: usersCollection }).where(({u}) => u.active)
 query.from({ activeUsers })
 ```
 
@@ -550,7 +550,7 @@ query
 ```
 
 // Join with a subquery
-const activeUsers = query.from({ u: usersCollection }).where(({u}) => eq(u.active, true))
+const activeUsers = query.from({ u: usersCollection }).where(({u}) => u.active)
 query
   .from({ activeUsers })
   .join({ p: postsCollection }, ({u, p}) => eq(u.id, p.userId))

packages/db/src/query/builder/index.ts

@@ -130,7 +130,7 @@ export class BaseQueryBuilder<TContext extends Context = Context> {
    * query.from({ users: usersCollection })
    *
    * // Query from a subquery
-   * const activeUsers = query.from({ u: usersCollection }).where(({u}) => eq(u.active, true))
+   * const activeUsers = query.from({ u: usersCollection }).where(({u}) => u.active)
    * query.from({ activeUsers })
    * ```
    */
@@ -172,7 +172,7 @@ export class BaseQueryBuilder<TContext extends Context = Context> {
    * ```
    *
    * // Join with a subquery
-   * const activeUsers = query.from({ u: usersCollection }).where(({u}) => eq(u.active, true))
+   * const activeUsers = query.from({ u: usersCollection }).where(({u}) => u.active)
    * query
    *   .from({ activeUsers })
    *   .join({ p: postsCollection }, ({u, p}) => eq(u.id, p.userId))