Rename the unwrap API to throwOnError instead

The `unwrap` moniker was a bit of a misnomer, since it didn't actually
unwrap the result, and this should make things a bit more clear. This was
discussed in a bit more detail in #188.

src/lib/types.ts

@@ -53,20 +53,20 @@ export abstract class PostgrestBuilder<T> implements PromiseLike<PostgrestRespon
   protected headers!: { [key: string]: string }
   protected schema?: string
   protected body?: Partial<T> | Partial<T>[]
-  protected unwrapError?: boolean
+  protected shouldThrowOnError?: boolean
 
   constructor(builder: PostgrestBuilder<T>) {
     Object.assign(this, builder)
   }
 
   /**
-   * If there's an error with the query, unwrap will reject the promise by
+   * If there's an error with the query, throwOnError will reject the promise by
    * throwing the error instead of returning it as part of a successful response.
    *
    * {@link https://github.com/supabase/supabase-js/issues/92}
    */
-  unwrap(): PostgrestBuilder<T> {
-    this.unwrapError = true
+  throwOnError(): PostgrestBuilder<T> {
+    this.shouldThrowOnError = true
     return this
   }
 
@@ -115,7 +115,7 @@ export abstract class PostgrestBuilder<T> implements PromiseLike<PostgrestRespon
         } else {
           error = await res.json()
 
-          if (error && this.unwrapError) {
+          if (error && this.shouldThrowOnError) {
             throw error
           }
         }

test/__snapshots__/index.test.ts.snap

@@ -626,7 +626,7 @@ Object {
 }
 `;
 
-exports[`connection error when unwrapping too 1`] = `[FetchError: request to http://this.url.does.not.exist/user?select=* failed, reason: getaddrinfo ENOTFOUND this.url.does.not.exist]`;
+exports[`connection errors should work the same with throwOnError 1`] = `[FetchError: request to http://this.url.does.not.exist/user?select=* failed, reason: getaddrinfo ENOTFOUND this.url.does.not.exist]`;
 
 exports[`don't mutate PostgrestClient.headers 1`] = `null`;
 
@@ -2254,7 +2254,7 @@ Object {
 }
 `;
 
-exports[`unwrap throws errors instead of returning them 1`] = `
+exports[`throwOnError throws errors instead of returning them 1`] = `
 Object {
   "code": "42P01",
   "details": null,

test/basic.ts

@@ -95,11 +95,11 @@ test('missing table', async () => {
   expect(res).toMatchSnapshot()
 })
 
-test('unwrap throws errors instead of returning them', async () => {
+test('throwOnError throws errors instead of returning them', async () => {
   let isErrorCaught = false
 
   try {
-    await postgrest.from('missing_table').select().unwrap()
+    await postgrest.from('missing_table').select().throwOnError()
   } catch (error) {
     expect(error).toMatchSnapshot()
     isErrorCaught = true
@@ -120,14 +120,14 @@ test('connection error', async () => {
   expect(isErrorCaught).toBe(true)
 })
 
-test('connection error when unwrapping too', async () => {
+test('connection errors should work the same with throwOnError', async () => {
   const postgrest = new PostgrestClient('http://this.url.does.not.exist')
   let isErrorCaught = false
   await postgrest
     .from('user')
     .select()
-    .unwrap()
-    .then(undefined, error => {
+    .throwOnError()
+    .then(undefined, (error) => {
       expect(error).toMatchSnapshot()
       isErrorCaught = true
     })