idb - npm Package Compare versions

Comparing version 4.0.3 to 4.0.4

build/cjs/chunk.js

@@ -48,3 +48,4 @@ 'use strict';
         }
-    });
+        // Catching to avoid "Uncaught Promise exceptions"
+    }).catch(() => { });
     // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This
@@ -51,0 +52,0 @@ // is because we create many promises from a single IDBRequest.

build/cjs/index.js

@@ -59,2 +59,3 @@ 'use strict';
     const method = async function (storeName, ...args) {
+        // isWrite ? 'readwrite' : undefined gzipps better, but fails in Edge :(
         const tx = this.transaction(storeName, isWrite ? 'readwrite' : 'readonly');
@@ -61,0 +62,0 @@ let target = tx.store;

build/esm/chunk.js

@@ -46,3 +46,4 @@ const instanceOfAny = (object, constructors) => constructors.some(c => object instanceof c);
         }
-    });
+        // Catching to avoid "Uncaught Promise exceptions"
+    }).catch(() => { });
     // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This
@@ -49,0 +50,0 @@ // is because we create many promises from a single IDBRequest.

build/esm/entry.d.ts

@@ -61,10 +61,49 @@ export interface OpenDBCallbacks<DBTypes extends DBSchema | unknown> {
 }
-declare type StoreNames<DBTypes extends DBSchema | unknown> = DBTypes extends DBSchema ? KnownKeys<DBTypes> : string;
-declare type StoreValue<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> = DBTypes extends DBSchema ? DBTypes[StoreName]['value'] : any;
-declare type StoreKey<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> = DBTypes extends DBSchema ? DBTypes[StoreName]['key'] : IDBValidKey;
-declare type IndexNames<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> = DBTypes extends DBSchema ? keyof DBTypes[StoreName]['indexes'] : string;
-declare type IndexKey<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>, IndexName extends IndexNames<DBTypes, StoreName>> = DBTypes extends DBSchema ? IndexName extends keyof DBTypes[StoreName]['indexes'] ? DBTypes[StoreName]['indexes'][IndexName] : IDBValidKey : IDBValidKey;
+/**
+ * Extract known object store names from the DB schema type.
+ *
+ * @template DBTypes DB schema type, or unknown if the DB isn't typed.
+ */
+export declare type StoreNames<DBTypes extends DBSchema | unknown> = DBTypes extends DBSchema ? KnownKeys<DBTypes> : string;
+/**
+ * Extract database value types from the DB schema type.
+ *
+ * @template DBTypes DB schema type, or unknown if the DB isn't typed.
+ * @template StoreName Names of the object stores to get the types of.
+ */
+export declare type StoreValue<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> = DBTypes extends DBSchema ? DBTypes[StoreName]['value'] : any;
+/**
+ * Extract database key types from the DB schema type.
+ *
+ * @template DBTypes DB schema type, or unknown if the DB isn't typed.
+ * @template StoreName Names of the object stores to get the types of.
+ */
+export declare type StoreKey<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> = DBTypes extends DBSchema ? DBTypes[StoreName]['key'] : IDBValidKey;
+/**
+ * Extract the names of indexes in certain object stores from the DB schema type.
+ *
+ * @template DBTypes DB schema type, or unknown if the DB isn't typed.
+ * @template StoreName Names of the object stores to get the types of.
+ */
+export declare type IndexNames<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> = DBTypes extends DBSchema ? keyof DBTypes[StoreName]['indexes'] : string;
+/**
+ * Extract the types of indexes in certain object stores from the DB schema type.
+ *
+ * @template DBTypes DB schema type, or unknown if the DB isn't typed.
+ * @template StoreName Names of the object stores to get the types of.
+ * @template IndexName Names of the indexes to get the types of.
+ */
+export declare type IndexKey<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>, IndexName extends IndexNames<DBTypes, StoreName>> = DBTypes extends DBSchema ? IndexName extends keyof DBTypes[StoreName]['indexes'] ? DBTypes[StoreName]['indexes'][IndexName] : IDBValidKey : IDBValidKey;
 declare type CursorSource<DBTypes extends DBSchema | unknown, TxStores extends StoreNames<DBTypes>[], StoreName extends StoreNames<DBTypes>, IndexName extends IndexNames<DBTypes, StoreName> | unknown> = IndexName extends IndexNames<DBTypes, StoreName> ? IDBPIndex<DBTypes, TxStores, StoreName, IndexName> : IDBPObjectStore<DBTypes, TxStores, StoreName>;
 declare type CursorKey<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>, IndexName extends IndexNames<DBTypes, StoreName> | unknown> = IndexName extends IndexNames<DBTypes, StoreName> ? IndexKey<DBTypes, StoreName, IndexName> : StoreKey<DBTypes, StoreName>;
 declare type IDBPDatabaseExtends = Omit<IDBDatabase, 'createObjectStore' | 'deleteObjectStore' | 'transaction' | 'objectStoreNames'>;
+/**
+ * A variation of DOMStringList with precise string types
+ */
+export interface TypedDOMStringList<T extends string> extends DOMStringList {
+    contains(string: T): boolean;
+    item(index: number): T | null;
+    [index: number]: T;
+    [Symbol.iterator](): IterableIterator<T>;
+}
 export interface IDBPDatabase<DBTypes extends DBSchema | unknown = unknown> extends IDBPDatabaseExtends {
@@ -74,3 +113,3 @@ /**
      */
-    readonly objectStoreNames: StoreNames<DBTypes>[];
+    readonly objectStoreNames: TypedDOMStringList<StoreNames<DBTypes>>;
     /**
@@ -77,0 +116,0 @@ * Creates a new object store.

build/esm/index.js

@@ -56,2 +56,3 @@ import { a as wrap, b as addTraps } from './chunk.js';
     const method = async function (storeName, ...args) {
+        // isWrite ? 'readwrite' : undefined gzipps better, but fails in Edge :(
         const tx = this.transaction(storeName, isWrite ? 'readwrite' : 'readonly');
@@ -58,0 +59,0 @@ let target = tx.store;

build/iife/index-min.js

@@ -1,1 +0,1 @@
-var idb=function(e){"use strict";const t=(e,t)=>t.some(t=>e instanceof t);let n,r;const o=new WeakMap,s=new WeakMap,a=new WeakMap,i=new WeakMap,c=new WeakMap;let u={get(e,t,n){if(e instanceof IDBTransaction){if("done"===t)return s.get(e);if("objectStoreNames"===t)return e.objectStoreNames||a.get(e);if("store"===t)return n.objectStoreNames[1]?void 0:n.objectStore(n.objectStoreNames[0])}return p(e[t])},has:(e,t)=>e instanceof IDBTransaction&&("done"===t||"store"===t)||t in e};function d(e){return e!==IDBDatabase.prototype.transaction||"objectStoreNames"in IDBTransaction.prototype?(r||(r=[IDBCursor.prototype.advance,IDBCursor.prototype.continue,IDBCursor.prototype.continuePrimaryKey])).includes(e)?function(...t){return e.apply(l(this),t),p(o.get(this))}:function(...t){return p(e.apply(l(this),t))}:function(t,...n){const r=e.call(l(this),t,...n);return a.set(r,t.sort?t.sort():[t]),p(r)}}function f(e){return"function"==typeof e?d(e):(e instanceof IDBTransaction&&function(e){if(s.has(e))return;const t=new Promise((t,n)=>{const r=()=>{e.removeEventListener("complete",o),e.removeEventListener("error",s),e.removeEventListener("abort",s)},o=()=>{t(),r()},s=()=>{n(e.error),r()};e.addEventListener("complete",o),e.addEventListener("error",s),e.addEventListener("abort",s)});s.set(e,t)}(e),t(e,n||(n=[IDBDatabase,IDBObjectStore,IDBIndex,IDBCursor,IDBTransaction]))?new Proxy(e,u):e)}function p(e){if(e instanceof IDBRequest)return function(e){const t=new Promise((t,n)=>{const r=()=>{e.removeEventListener("success",o),e.removeEventListener("error",s)},o=()=>{t(p(e.result)),r()},s=()=>{n(e.error),r()};e.addEventListener("success",o),e.addEventListener("error",s)});return t.then(t=>{t instanceof IDBCursor&&o.set(t,e)}),c.set(t,e),t}(e);if(i.has(e))return i.get(e);const t=f(e);return t!==e&&(i.set(e,t),c.set(t,e)),t}const l=e=>c.get(e);const D=["get","getKey","getAll","getAllKeys","count"],v=["put","add","delete","clear"],B=new Map;function I(e,t){if(!(e instanceof IDBDatabase)||t in e||"string"!=typeof t)return;if(B.get(t))return B.get(t);const n=t.replace(/FromIndex$/,""),r=t!==n,o=v.includes(n);if(!(n in(r?IDBIndex:IDBObjectStore).prototype)||!o&&!D.includes(n))return;const s=async function(e,...t){const s=this.transaction(e,o?"readwrite":"readonly");let a=s.store;r&&(a=a.index(t.shift()));const i=a[n](...t);return o&&await s.done,i};return B.set(t,s),s}return u=(e=>({get:(t,n,r)=>I(t,n)||e.get(t,n,r),has:(t,n)=>!!I(t,n)||e.has(t,n)}))(u),e.openDB=function(e,t,{blocked:n,upgrade:r,blocking:o}={}){const s=indexedDB.open(e,t),a=p(s);return r&&s.addEventListener("upgradeneeded",e=>{r(p(s.result),e.oldVersion,e.newVersion,p(s.transaction))}),n&&s.addEventListener("blocked",()=>n()),o&&a.then(e=>e.addEventListener("versionchange",o)),a},e.deleteDB=function(e,{blocked:t}={}){const n=indexedDB.deleteDatabase(e);return t&&n.addEventListener("blocked",()=>t()),p(n).then(()=>void 0)},e.unwrap=l,e.wrap=p,e}({});
+var idb=function(e){"use strict";const t=(e,t)=>t.some(t=>e instanceof t);let n,r;const o=new WeakMap,s=new WeakMap,a=new WeakMap,i=new WeakMap,c=new WeakMap;let u={get(e,t,n){if(e instanceof IDBTransaction){if("done"===t)return s.get(e);if("objectStoreNames"===t)return e.objectStoreNames||a.get(e);if("store"===t)return n.objectStoreNames[1]?void 0:n.objectStore(n.objectStoreNames[0])}return p(e[t])},has:(e,t)=>e instanceof IDBTransaction&&("done"===t||"store"===t)||t in e};function d(e){return e!==IDBDatabase.prototype.transaction||"objectStoreNames"in IDBTransaction.prototype?(r||(r=[IDBCursor.prototype.advance,IDBCursor.prototype.continue,IDBCursor.prototype.continuePrimaryKey])).includes(e)?function(...t){return e.apply(l(this),t),p(o.get(this))}:function(...t){return p(e.apply(l(this),t))}:function(t,...n){const r=e.call(l(this),t,...n);return a.set(r,t.sort?t.sort():[t]),p(r)}}function f(e){return"function"==typeof e?d(e):(e instanceof IDBTransaction&&function(e){if(s.has(e))return;const t=new Promise((t,n)=>{const r=()=>{e.removeEventListener("complete",o),e.removeEventListener("error",s),e.removeEventListener("abort",s)},o=()=>{t(),r()},s=()=>{n(e.error),r()};e.addEventListener("complete",o),e.addEventListener("error",s),e.addEventListener("abort",s)});s.set(e,t)}(e),t(e,n||(n=[IDBDatabase,IDBObjectStore,IDBIndex,IDBCursor,IDBTransaction]))?new Proxy(e,u):e)}function p(e){if(e instanceof IDBRequest)return function(e){const t=new Promise((t,n)=>{const r=()=>{e.removeEventListener("success",o),e.removeEventListener("error",s)},o=()=>{t(p(e.result)),r()},s=()=>{n(e.error),r()};e.addEventListener("success",o),e.addEventListener("error",s)});return t.then(t=>{t instanceof IDBCursor&&o.set(t,e)}).catch(()=>{}),c.set(t,e),t}(e);if(i.has(e))return i.get(e);const t=f(e);return t!==e&&(i.set(e,t),c.set(t,e)),t}const l=e=>c.get(e);const D=["get","getKey","getAll","getAllKeys","count"],v=["put","add","delete","clear"],B=new Map;function I(e,t){if(!(e instanceof IDBDatabase)||t in e||"string"!=typeof t)return;if(B.get(t))return B.get(t);const n=t.replace(/FromIndex$/,""),r=t!==n,o=v.includes(n);if(!(n in(r?IDBIndex:IDBObjectStore).prototype)||!o&&!D.includes(n))return;const s=async function(e,...t){const s=this.transaction(e,o?"readwrite":"readonly");let a=s.store;r&&(a=a.index(t.shift()));const i=a[n](...t);return o&&await s.done,i};return B.set(t,s),s}return u=(e=>({get:(t,n,r)=>I(t,n)||e.get(t,n,r),has:(t,n)=>!!I(t,n)||e.has(t,n)}))(u),e.openDB=function(e,t,{blocked:n,upgrade:r,blocking:o}={}){const s=indexedDB.open(e,t),a=p(s);return r&&s.addEventListener("upgradeneeded",e=>{r(p(s.result),e.oldVersion,e.newVersion,p(s.transaction))}),n&&s.addEventListener("blocked",()=>n()),o&&a.then(e=>e.addEventListener("versionchange",o)),a},e.deleteDB=function(e,{blocked:t}={}){const n=indexedDB.deleteDatabase(e);return t&&n.addEventListener("blocked",()=>t()),p(n).then(()=>void 0)},e.unwrap=l,e.wrap=p,e}({});

build/iife/with-async-ittr-min.js

@@ -1,1 +0,1 @@
-var idb=function(e){"use strict";const t=(e,t)=>t.some(t=>e instanceof t);let n,r;const o=new WeakMap,s=new WeakMap,a=new WeakMap,i=new WeakMap,c=new WeakMap;let u={get(e,t,n){if(e instanceof IDBTransaction){if("done"===t)return s.get(e);if("objectStoreNames"===t)return e.objectStoreNames||a.get(e);if("store"===t)return n.objectStoreNames[1]?void 0:n.objectStore(n.objectStoreNames[0])}return l(e[t])},has:(e,t)=>e instanceof IDBTransaction&&("done"===t||"store"===t)||t in e};function d(e){u=e(u)}function f(e){return e!==IDBDatabase.prototype.transaction||"objectStoreNames"in IDBTransaction.prototype?(r||(r=[IDBCursor.prototype.advance,IDBCursor.prototype.continue,IDBCursor.prototype.continuePrimaryKey])).includes(e)?function(...t){return e.apply(D(this),t),l(o.get(this))}:function(...t){return l(e.apply(D(this),t))}:function(t,...n){const r=e.call(D(this),t,...n);return a.set(r,t.sort?t.sort():[t]),l(r)}}function p(e){return"function"==typeof e?f(e):(e instanceof IDBTransaction&&function(e){if(s.has(e))return;const t=new Promise((t,n)=>{const r=()=>{e.removeEventListener("complete",o),e.removeEventListener("error",s),e.removeEventListener("abort",s)},o=()=>{t(),r()},s=()=>{n(e.error),r()};e.addEventListener("complete",o),e.addEventListener("error",s),e.addEventListener("abort",s)});s.set(e,t)}(e),t(e,n||(n=[IDBDatabase,IDBObjectStore,IDBIndex,IDBCursor,IDBTransaction]))?new Proxy(e,u):e)}function l(e){if(e instanceof IDBRequest)return function(e){const t=new Promise((t,n)=>{const r=()=>{e.removeEventListener("success",o),e.removeEventListener("error",s)},o=()=>{t(l(e.result)),r()},s=()=>{n(e.error),r()};e.addEventListener("success",o),e.addEventListener("error",s)});return t.then(t=>{t instanceof IDBCursor&&o.set(t,e)}),c.set(t,e),t}(e);if(i.has(e))return i.get(e);const t=p(e);return t!==e&&(i.set(e,t),c.set(t,e)),t}const D=e=>c.get(e);const I=["get","getKey","getAll","getAllKeys","count"],B=["put","add","delete","clear"],v=new Map;function g(e,t){if(!(e instanceof IDBDatabase)||t in e||"string"!=typeof t)return;if(v.get(t))return v.get(t);const n=t.replace(/FromIndex$/,""),r=t!==n,o=B.includes(n);if(!(n in(r?IDBIndex:IDBObjectStore).prototype)||!o&&!I.includes(n))return;const s=async function(e,...t){const s=this.transaction(e,o?"readwrite":"readonly");let a=s.store;r&&(a=a.index(t.shift()));const i=a[n](...t);return o&&await s.done,i};return v.set(t,s),s}d(e=>({get:(t,n,r)=>g(t,n)||e.get(t,n,r),has:(t,n)=>!!g(t,n)||e.has(t,n)}));const y=["continue","continuePrimaryKey","advance"],b={},h=new WeakMap,m=new WeakMap,w={get(e,t){if(!y.includes(t))return e[t];let n=b[t];return n||(n=b[t]=function(...e){h.set(this,m.get(this)[t](...e))}),n}};async function*E(...e){let t=this;if(t instanceof IDBCursor||(t=await t.openCursor(...e)),!t)return;t=t;const n=new Proxy(t,w);for(m.set(n,t),c.set(n,D(t));t;)yield n,t=await(h.get(n)||t.continue()),h.delete(n)}function L(e,n){return n===Symbol.asyncIterator&&t(e,[IDBIndex,IDBObjectStore,IDBCursor])||"iterate"===n&&t(e,[IDBIndex,IDBObjectStore])}return d(e=>({get:(t,n,r)=>L(t,n)?E:e.get(t,n,r),has:(t,n)=>L(t,n)||e.has(t,n)})),e.openDB=function(e,t,{blocked:n,upgrade:r,blocking:o}={}){const s=indexedDB.open(e,t),a=l(s);return r&&s.addEventListener("upgradeneeded",e=>{r(l(s.result),e.oldVersion,e.newVersion,l(s.transaction))}),n&&s.addEventListener("blocked",()=>n()),o&&a.then(e=>e.addEventListener("versionchange",o)),a},e.deleteDB=function(e,{blocked:t}={}){const n=indexedDB.deleteDatabase(e);return t&&n.addEventListener("blocked",()=>t()),l(n).then(()=>void 0)},e.unwrap=D,e.wrap=l,e}({});
+var idb=function(e){"use strict";const t=(e,t)=>t.some(t=>e instanceof t);let n,r;const o=new WeakMap,s=new WeakMap,a=new WeakMap,i=new WeakMap,c=new WeakMap;let u={get(e,t,n){if(e instanceof IDBTransaction){if("done"===t)return s.get(e);if("objectStoreNames"===t)return e.objectStoreNames||a.get(e);if("store"===t)return n.objectStoreNames[1]?void 0:n.objectStore(n.objectStoreNames[0])}return l(e[t])},has:(e,t)=>e instanceof IDBTransaction&&("done"===t||"store"===t)||t in e};function d(e){u=e(u)}function f(e){return e!==IDBDatabase.prototype.transaction||"objectStoreNames"in IDBTransaction.prototype?(r||(r=[IDBCursor.prototype.advance,IDBCursor.prototype.continue,IDBCursor.prototype.continuePrimaryKey])).includes(e)?function(...t){return e.apply(D(this),t),l(o.get(this))}:function(...t){return l(e.apply(D(this),t))}:function(t,...n){const r=e.call(D(this),t,...n);return a.set(r,t.sort?t.sort():[t]),l(r)}}function p(e){return"function"==typeof e?f(e):(e instanceof IDBTransaction&&function(e){if(s.has(e))return;const t=new Promise((t,n)=>{const r=()=>{e.removeEventListener("complete",o),e.removeEventListener("error",s),e.removeEventListener("abort",s)},o=()=>{t(),r()},s=()=>{n(e.error),r()};e.addEventListener("complete",o),e.addEventListener("error",s),e.addEventListener("abort",s)});s.set(e,t)}(e),t(e,n||(n=[IDBDatabase,IDBObjectStore,IDBIndex,IDBCursor,IDBTransaction]))?new Proxy(e,u):e)}function l(e){if(e instanceof IDBRequest)return function(e){const t=new Promise((t,n)=>{const r=()=>{e.removeEventListener("success",o),e.removeEventListener("error",s)},o=()=>{t(l(e.result)),r()},s=()=>{n(e.error),r()};e.addEventListener("success",o),e.addEventListener("error",s)});return t.then(t=>{t instanceof IDBCursor&&o.set(t,e)}).catch(()=>{}),c.set(t,e),t}(e);if(i.has(e))return i.get(e);const t=p(e);return t!==e&&(i.set(e,t),c.set(t,e)),t}const D=e=>c.get(e);const I=["get","getKey","getAll","getAllKeys","count"],B=["put","add","delete","clear"],v=new Map;function g(e,t){if(!(e instanceof IDBDatabase)||t in e||"string"!=typeof t)return;if(v.get(t))return v.get(t);const n=t.replace(/FromIndex$/,""),r=t!==n,o=B.includes(n);if(!(n in(r?IDBIndex:IDBObjectStore).prototype)||!o&&!I.includes(n))return;const s=async function(e,...t){const s=this.transaction(e,o?"readwrite":"readonly");let a=s.store;r&&(a=a.index(t.shift()));const i=a[n](...t);return o&&await s.done,i};return v.set(t,s),s}d(e=>({get:(t,n,r)=>g(t,n)||e.get(t,n,r),has:(t,n)=>!!g(t,n)||e.has(t,n)}));const y=["continue","continuePrimaryKey","advance"],b={},h=new WeakMap,m=new WeakMap,w={get(e,t){if(!y.includes(t))return e[t];let n=b[t];return n||(n=b[t]=function(...e){h.set(this,m.get(this)[t](...e))}),n}};async function*E(...e){let t=this;if(t instanceof IDBCursor||(t=await t.openCursor(...e)),!t)return;t=t;const n=new Proxy(t,w);for(m.set(n,t),c.set(n,D(t));t;)yield n,t=await(h.get(n)||t.continue()),h.delete(n)}function L(e,n){return n===Symbol.asyncIterator&&t(e,[IDBIndex,IDBObjectStore,IDBCursor])||"iterate"===n&&t(e,[IDBIndex,IDBObjectStore])}return d(e=>({get:(t,n,r)=>L(t,n)?E:e.get(t,n,r),has:(t,n)=>L(t,n)||e.has(t,n)})),e.openDB=function(e,t,{blocked:n,upgrade:r,blocking:o}={}){const s=indexedDB.open(e,t),a=l(s);return r&&s.addEventListener("upgradeneeded",e=>{r(l(s.result),e.oldVersion,e.newVersion,l(s.transaction))}),n&&s.addEventListener("blocked",()=>n()),o&&a.then(e=>e.addEventListener("versionchange",o)),a},e.deleteDB=function(e,{blocked:t}={}){const n=indexedDB.deleteDatabase(e);return t&&n.addEventListener("blocked",()=>t()),l(n).then(()=>void 0)},e.unwrap=D,e.wrap=l,e}({});

lib/entry.ts

@@ -102,15 +102,45 @@ import { wrap } from './wrap-idb-value';
 
-type StoreNames<DBTypes extends DBSchema | unknown> =
+/**
+ * Extract known object store names from the DB schema type.
+ *
+ * @template DBTypes DB schema type, or unknown if the DB isn't typed.
+ */
+export type StoreNames<DBTypes extends DBSchema | unknown> =
   DBTypes extends DBSchema ? KnownKeys<DBTypes> : string;
 
-type StoreValue<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> =
+/**
+ * Extract database value types from the DB schema type.
+ *
+ * @template DBTypes DB schema type, or unknown if the DB isn't typed.
+ * @template StoreName Names of the object stores to get the types of.
+ */
+export type StoreValue<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> =
   DBTypes extends DBSchema ? DBTypes[StoreName]['value'] : any;
 
-type StoreKey<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> =
+/**
+ * Extract database key types from the DB schema type.
+ *
+ * @template DBTypes DB schema type, or unknown if the DB isn't typed.
+ * @template StoreName Names of the object stores to get the types of.
+ */
+export type StoreKey<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> =
   DBTypes extends DBSchema ? DBTypes[StoreName]['key'] : IDBValidKey;
 
-type IndexNames<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> =
+/**
+ * Extract the names of indexes in certain object stores from the DB schema type.
+ *
+ * @template DBTypes DB schema type, or unknown if the DB isn't typed.
+ * @template StoreName Names of the object stores to get the types of.
+ */
+export type IndexNames<DBTypes extends DBSchema | unknown, StoreName extends StoreNames<DBTypes>> =
   DBTypes extends DBSchema ? keyof DBTypes[StoreName]['indexes'] : string;
 
-type IndexKey<
+/**
+ * Extract the types of indexes in certain object stores from the DB schema type.
+ *
+ * @template DBTypes DB schema type, or unknown if the DB isn't typed.
+ * @template StoreName Names of the object stores to get the types of.
+ * @template IndexName Names of the indexes to get the types of.
+ */
+export type IndexKey<
   DBTypes extends DBSchema | unknown,
@@ -144,2 +174,14 @@ StoreName extends StoreNames<DBTypes>,
 
+/**
+ * A variation of DOMStringList with precise string types
+ */
+export interface TypedDOMStringList<
+  T extends string
+> extends DOMStringList {
+    contains(string: T): boolean;
+    item(index: number): T | null;
+    [index: number]: T;
+    [Symbol.iterator](): IterableIterator<T>;
+}
+
 export interface IDBPDatabase<
@@ -151,3 +193,3 @@ DBTypes extends DBSchema | unknown = unknown,
    */
-  readonly objectStoreNames: StoreNames<DBTypes>[];
+  readonly objectStoreNames: TypedDOMStringList<StoreNames<DBTypes>>;
   /**
@@ -154,0 +196,0 @@ * Creates a new object store.

lib/wrap-idb-value.ts

@@ -57,3 +57,4 @@ import {
     }
-  });
+    // Catching to avoid "Uncaught Promise exceptions"
+  }).catch(() => {});
 
@@ -60,0 +61,0 @@ // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This

package.json

 {
   "name": "idb",
-  "version": "4.0.3",
+  "version": "4.0.4",
   "description": "A small wrapper that makes IndexedDB usable",
@@ -5,0 +5,0 @@ "main": "build/cjs/index.js",

README.md

 # IndexedDB with usability.
 
-This is a tiny (~1.15k) library that mostly mirrors the IndexedDB API, but with small improvements that make a big difference to usability.
+This is a tiny (~1.16k) library that mostly mirrors the IndexedDB API, but with small improvements that make a big difference to usability.
 
@@ -228,3 +228,3 @@ 1. [Installation](#installation)
 
-Async iterator support isn't included by default (Edge doesn't support them). To include them, import `idb/with-async-ittr.js` instead of `idb` (this increases the library size to ~1.37k):
+Async iterator support isn't included by default (Edge doesn't support them). To include them, import `idb/with-async-ittr.js` instead of `idb` (this increases the library size to ~1.38k):
 
@@ -231,0 +231,0 @@ ```js

test/main.ts

@@ -12,2 +12,3 @@ import 'mocha/mocha';
   IDBPIndex,
+  TypedDOMStringList,
 } from '../lib/';
@@ -33,3 +34,3 @@ import { assert as typeAssert, IsExact } from 'conditional-type-checks';
       typeof schemaDB.objectStoreNames,
-      ('key-val-store' | 'object-store')[]
+      TypedDOMStringList<'key-val-store' | 'object-store'>
     >>(true);
@@ -39,3 +40,3 @@
       typeof db.objectStoreNames,
-      string[]
+      DOMStringList
     >>(true);
@@ -42,0 +43,0 @@ });

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Improved metrics

Total package byte prevSize

203494

increased by1.68%

Lines of code

4753

increased by1.84%

No dependency changes