idb wip

1 files changed, 120 insertions, 0 deletions

diff --git a/packages/idb-bridge/src/util/errors.ts b/packages/idb-bridge/src/util/errors.ts
new file mode 100644
index 000000000..bbf9498c1
--- /dev/null
+++ b/packages/idb-bridge/src/util/errors.ts
@@ -0,0 +1,120 @@
+/*
+ Copyright 2017 Jeremy Scheff
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+
+
+/* tslint:disable: max-classes-per-file max-line-length */
+
+const messages = {
+    AbortError:
+        "A request was aborted, for example through a call to IDBTransaction.abort.",
+    ConstraintError:
+        "A mutation operation in the transaction failed because a constraint was not satisfied. For example, an object such as an object store or index already exists and a request attempted to create a new one.",
+    DataCloneError:
+        "The data being stored could not be cloned by the internal structured cloning algorithm.",
+    DataError: "Data provided to an operation does not meet requirements.",
+    InvalidAccessError:
+        "An invalid operation was performed on an object. For example transaction creation attempt was made, but an empty scope was provided.",
+    InvalidStateError:
+        "An operation was called on an object on which it is not allowed or at a time when it is not allowed. Also occurs if a request is made on a source object that has been deleted or removed. Use TransactionInactiveError or ReadOnlyError when possible, as they are more specific variations of InvalidStateError.",
+    NotFoundError:
+        "The operation failed because the requested database object could not be found. For example, an object store did not exist but was being opened.",
+    ReadOnlyError:
+        'The mutating operation was attempted in a "readonly" transaction.',
+    TransactionInactiveError:
+        "A request was placed against a transaction which is currently not active, or which is finished.",
+    VersionError:
+        "An attempt was made to open a database using a lower version than the existing version.",
+};
+
+export class AbortError extends Error {
+    constructor(message = messages.AbortError) {
+        super();
+        this.name = "AbortError";
+        this.message = message;
+    }
+}
+
+export class ConstraintError extends Error {
+    constructor(message = messages.ConstraintError) {
+        super();
+        this.name = "ConstraintError";
+        this.message = message;
+    }
+}
+
+export class DataCloneError extends Error {
+    constructor(message = messages.DataCloneError) {
+        super();
+        this.name = "DataCloneError";
+        this.message = message;
+    }
+}
+
+export class DataError extends Error {
+    constructor(message = messages.DataError) {
+        super();
+        this.name = "DataError";
+        this.message = message;
+    }
+}
+
+export class InvalidAccessError extends Error {
+    constructor(message = messages.InvalidAccessError) {
+        super();
+        this.name = "InvalidAccessError";
+        this.message = message;
+    }
+}
+
+export class InvalidStateError extends Error {
+    constructor(message = messages.InvalidStateError) {
+        super();
+        this.name = "InvalidStateError";
+        this.message = message;
+    }
+}
+
+export class NotFoundError extends Error {
+    constructor(message = messages.NotFoundError) {
+        super();
+        this.name = "NotFoundError";
+        this.message = message;
+    }
+}
+
+export class ReadOnlyError extends Error {
+    constructor(message = messages.ReadOnlyError) {
+        super();
+        this.name = "ReadOnlyError";
+        this.message = message;
+    }
+}
+
+export class TransactionInactiveError extends Error {
+    constructor(message = messages.TransactionInactiveError) {
+        super();
+        this.name = "TransactionInactiveError";
+        this.message = message;
+    }
+}
+
+export class VersionError extends Error {
+    constructor(message = messages.VersionError) {
+        super();
+        this.name = "VersionError";
+        this.message = message;
+    }
+}