Move spawnSwitchErr to @0xproject/utils

2 files changed, 6 insertions, 0 deletions

diff --git a/packages/utils/src/error_utils.ts b/packages/utils/src/error_utils.ts
new file mode 100644
index 000000000..735d3940b
--- /dev/null
+++ b/packages/utils/src/error_utils.ts
@@ -0,0 +1,5 @@
+export const errorUtils = {
+    spawnSwitchErr(name: string, value: any): Error {
+        return new Error(`Unexpected switch value: ${value} encountered for ${name}`);
+    },
+};
diff --git a/packages/utils/src/index.ts b/packages/utils/src/index.ts
index 709ec93b2..fd102cecb 100644
--- a/packages/utils/src/index.ts
+++ b/packages/utils/src/index.ts
@@ -7,3 +7,4 @@ export { AbiDecoder } from './abi_decoder';
 export { logUtils } from './log_utils';
 export { abiUtils } from './abi_utils';
 export { NULL_BYTES } from './constants';
+export { errorUtils } from './error_utils';