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authorFabio Berger <me@fabioberger.com>2018-07-13 05:13:47 +0800
committerFabio Berger <me@fabioberger.com>2018-07-13 05:13:47 +0800
commit49f1a6933cc22d1e703d631d5b861b8601ca2231 (patch)
tree3af6e0f9e84f09124d93b176c2cbfdd2a8edcaff /packages/utils/src
parenta45a29432e722b71fcfc63a8545fa43ffc29b92d (diff)
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Add fetchAsync util and RPCSubprovider
Diffstat (limited to 'packages/utils/src')
-rw-r--r--packages/utils/src/fetchAsync.ts29
-rw-r--r--packages/utils/src/index.ts2
2 files changed, 31 insertions, 0 deletions
diff --git a/packages/utils/src/fetchAsync.ts b/packages/utils/src/fetchAsync.ts
new file mode 100644
index 000000000..7cb2c1759
--- /dev/null
+++ b/packages/utils/src/fetchAsync.ts
@@ -0,0 +1,29 @@
+import { FetchRequest } from '@0xproject/types';
+import 'isomorphic-fetch';
+
+export const fetchAsync = async (
+ endpoint: string,
+ options: FetchRequest,
+ timeoutMs: number = 20000,
+): Promise<Response> => {
+ let finalOptions;
+ if ((process as any).browser === true) {
+ const controller = new AbortController();
+ const signal = controller.signal;
+ setTimeout(() => {
+ controller.abort();
+ }, timeoutMs);
+ finalOptions = {
+ signal,
+ ...options,
+ };
+ } else {
+ finalOptions = {
+ timeout: timeoutMs,
+ ...options,
+ };
+ }
+
+ const response = await fetch(endpoint, finalOptions);
+ return response;
+};
diff --git a/packages/utils/src/index.ts b/packages/utils/src/index.ts
index fd102cecb..48fd6152e 100644
--- a/packages/utils/src/index.ts
+++ b/packages/utils/src/index.ts
@@ -8,3 +8,5 @@ export { logUtils } from './log_utils';
export { abiUtils } from './abi_utils';
export { NULL_BYTES } from './constants';
export { errorUtils } from './error_utils';
+export { fetchAsync } from './fetchAsync';
+export { FetchRequest } from '@0xproject/types';