feat: use undefined as bottom value instead of null

BREAKING CHANGE: use undefined as bottom value instead of null

Author: soedirgo

src/PostgrestBuilder.ts

@@ -41,10 +41,7 @@ export default abstract class PostgrestBuilder<T> implements PromiseLike<Postgre
    * @deprecated Use `throwOnError` in the `PostgrestClient` constructor instead.
    */
   throwOnError(throwOnError?: boolean): this {
-    if (throwOnError === null || throwOnError === undefined) {
-      throwOnError = true
-    }
-    this.shouldThrowOnError = throwOnError
+    this.shouldThrowOnError = throwOnError ?? true
     return this
   }
 
@@ -76,9 +73,9 @@ export default abstract class PostgrestBuilder<T> implements PromiseLike<Postgre
       body: JSON.stringify(this.body),
       signal: this.signal,
     }).then(async (res) => {
-      let error = null
-      let data = null
-      let count = null
+      let error = undefined
+      let data = undefined
+      let count = undefined
       let status = res.status
       let statusText = res.statusText
 
@@ -112,7 +109,7 @@ export default abstract class PostgrestBuilder<T> implements PromiseLike<Postgre
         }
 
         if (error && this.allowEmpty && error?.details?.includes('Results contain 0 rows')) {
-          error = null
+          error = undefined
           status = 200
           statusText = 'OK'
         }
@@ -140,8 +137,8 @@ export default abstract class PostgrestBuilder<T> implements PromiseLike<Postgre
           hint: '',
           code: fetchError.code || '',
         },
-        data: null,
-        count: null,
+        data: undefined,
+        count: undefined,
         status: 400,
         statusText: 'Bad Request',
       }))

src/PostgrestClient.ts

@@ -80,10 +80,10 @@ export default class PostgrestClient {
     params: Record<string, unknown> = {},
     {
       head = false,
-      count = null,
+      count,
     }: {
       head?: boolean
-      count?: null | 'exact' | 'planned' | 'estimated'
+      count?: 'exact' | 'planned' | 'estimated'
     } = {}
   ): PostgrestFilterBuilder<T> {
     let method: 'HEAD' | 'POST'

src/PostgrestFilterBuilder.ts

@@ -314,10 +314,7 @@ export default class PostgrestFilterBuilder<T> extends PostgrestTransformBuilder
   textSearch(
     column: keyof T,
     query: string,
-    {
-      config,
-      type = null,
-    }: { config?: string; type?: 'plain' | 'phrase' | 'websearch' | null } = {}
+    { config, type }: { config?: string; type?: 'plain' | 'phrase' | 'websearch' } = {}
   ): this {
     let typePart = ''
     if (type === 'plain') {

src/PostgrestQueryBuilder.ts

@@ -39,10 +39,10 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
     columns = '*',
     {
       head = false,
-      count = null,
+      count,
     }: {
       head?: boolean
-      count?: null | 'exact' | 'planned' | 'estimated'
+      count?: 'exact' | 'planned' | 'estimated'
     } = {}
   ): PostgrestFilterBuilder<T> {
     this.method = 'GET'
@@ -79,9 +79,9 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
   insert(
     values: Partial<T> | Partial<T>[],
     {
-      count = null,
+      count,
     }: {
-      count?: null | 'exact' | 'planned' | 'estimated'
+      count?: 'exact' | 'planned' | 'estimated'
     } = {}
   ): PostgrestFilterBuilder<T> {
     this.method = 'POST'
@@ -120,11 +120,11 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
     values: Partial<T> | Partial<T>[],
     {
       onConflict,
-      count = null,
+      count,
       ignoreDuplicates = false,
     }: {
       onConflict?: string
-      count?: null | 'exact' | 'planned' | 'estimated'
+      count?: 'exact' | 'planned' | 'estimated'
       ignoreDuplicates?: boolean
     } = {}
   ): PostgrestFilterBuilder<T> {
@@ -154,9 +154,9 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
   update(
     values: Partial<T>,
     {
-      count = null,
+      count,
     }: {
-      count?: null | 'exact' | 'planned' | 'estimated'
+      count?: 'exact' | 'planned' | 'estimated'
     } = {}
   ): PostgrestFilterBuilder<T> {
     this.method = 'PATCH'
@@ -178,9 +178,9 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
    * @param count  Count algorithm to use to count rows in a table.
    */
   delete({
-    count = null,
+    count,
   }: {
-    count?: null | 'exact' | 'planned' | 'estimated'
+    count?: 'exact' | 'planned' | 'estimated'
   } = {}): PostgrestFilterBuilder<T> {
     this.method = 'DELETE'
     const prefersHeaders = []

src/types.ts

@@ -23,22 +23,23 @@ interface PostgrestResponseBase {
 }
 
 interface PostgrestResponseSuccess<T> extends PostgrestResponseBase {
-  error: null
+  error: undefined
   data: T[]
-  count: number | null
+  count: number | undefined
 }
 interface PostgrestResponseFailure extends PostgrestResponseBase {
   error: PostgrestError
-  data: null
-  count: null
+  data: undefined
+  count: undefined
 }
 export type PostgrestResponse<T> = PostgrestResponseSuccess<T> | PostgrestResponseFailure
 
 interface PostgrestSingleResponseSuccess<T> extends PostgrestResponseBase {
-  error: null
+  error: undefined
   data: T
+  count: number | undefined
 }
 export type PostgrestSingleResponse<T> =
   | PostgrestSingleResponseSuccess<T>
   | PostgrestResponseFailure
-export type PostgrestMaybeSingleResponse<T> = PostgrestSingleResponse<T | null>
+export type PostgrestMaybeSingleResponse<T> = PostgrestSingleResponse<T | undefined>