diff options
author | Brandon Millman <brandon.millman@gmail.com> | 2018-04-23 01:27:16 +0800 |
---|---|---|
committer | Brandon Millman <brandon.millman@gmail.com> | 2018-04-23 01:28:13 +0800 |
commit | fb31c493176ec952f6c3621348e328e38ade2174 (patch) | |
tree | 8ad240583fee79f2b620bc5931f5b59356d30419 /packages/website/ts/utils/backend_client.ts | |
parent | e51f9b3593c86c5ab4ec0ecb7e7ea8a9857a7c74 (diff) | |
download | dexon-0x-contracts-fb31c493176ec952f6c3621348e328e38ade2174.tar dexon-0x-contracts-fb31c493176ec952f6c3621348e328e38ade2174.tar.gz dexon-0x-contracts-fb31c493176ec952f6c3621348e328e38ade2174.tar.bz2 dexon-0x-contracts-fb31c493176ec952f6c3621348e328e38ade2174.tar.lz dexon-0x-contracts-fb31c493176ec952f6c3621348e328e38ade2174.tar.xz dexon-0x-contracts-fb31c493176ec952f6c3621348e328e38ade2174.tar.zst dexon-0x-contracts-fb31c493176ec952f6c3621348e328e38ade2174.zip |
Refactor common fetch logic into fetch_utils
Diffstat (limited to 'packages/website/ts/utils/backend_client.ts')
-rw-r--r-- | packages/website/ts/utils/backend_client.ts | 46 |
1 files changed, 6 insertions, 40 deletions
diff --git a/packages/website/ts/utils/backend_client.ts b/packages/website/ts/utils/backend_client.ts index fdbb3e03a..ab0fb4f32 100644 --- a/packages/website/ts/utils/backend_client.ts +++ b/packages/website/ts/utils/backend_client.ts @@ -1,16 +1,8 @@ -import { BigNumber, logUtils } from '@0xproject/utils'; import * as _ from 'lodash'; -import * as queryString from 'query-string'; -import { - ArticlesBySection, - ItemByAddress, - WebsiteBackendGasInfo, - WebsiteBackendPriceInfo, - WebsiteBackendRelayerInfo, -} from 'ts/types'; +import { ArticlesBySection, WebsiteBackendGasInfo, WebsiteBackendPriceInfo, WebsiteBackendRelayerInfo } from 'ts/types'; import { configs } from 'ts/utils/configs'; -import { errorReporter } from 'ts/utils/error_reporter'; +import { fetchUtils } from 'ts/utils/fetch_utils'; const ETH_GAS_STATION_ENDPOINT = '/eth_gas_station'; const PRICES_ENDPOINT = '/prices'; @@ -19,7 +11,7 @@ const WIKI_ENDPOINT = '/wiki'; export const backendClient = { async getGasInfoAsync(): Promise<WebsiteBackendGasInfo> { - const result = await requestAsync(ETH_GAS_STATION_ENDPOINT); + const result = await fetchUtils.requestAsync(configs.BACKEND_BASE_URL, ETH_GAS_STATION_ENDPOINT); return result; }, async getPriceInfosAsync(tokenAddresses: string[]): Promise<WebsiteBackendPriceInfo[]> { @@ -30,41 +22,15 @@ export const backendClient = { const queryParams = { tokens: joinedTokenAddresses, }; - const result = await requestAsync(PRICES_ENDPOINT, queryParams); + const result = await fetchUtils.requestAsync(configs.BACKEND_BASE_URL, PRICES_ENDPOINT, queryParams); return result; }, async getRelayerInfosAsync(): Promise<WebsiteBackendRelayerInfo[]> { - const result = await requestAsync(RELAYERS_ENDPOINT); + const result = await fetchUtils.requestAsync(configs.BACKEND_BASE_URL, RELAYERS_ENDPOINT); return result; }, async getWikiArticlesBySectionAsync(): Promise<ArticlesBySection> { - const result = await requestAsync(WIKI_ENDPOINT); + const result = await fetchUtils.requestAsync(configs.BACKEND_BASE_URL, WIKI_ENDPOINT); return result; }, }; - -async function requestAsync(endpoint: string, queryParams?: object): Promise<any> { - const query = queryStringFromQueryParams(queryParams); - const url = `${configs.BACKEND_BASE_URL}${endpoint}${query}`; - const response = await fetch(url); - if (response.status !== 200) { - const errorText = `Error requesting url: ${url}, ${response.status}: ${response.statusText}`; - logUtils.log(errorText); - const error = Error(errorText); - // tslint:disable-next-line:no-floating-promises - errorReporter.reportAsync(error); - throw error; - } - const result = await response.json(); - return result; -} - -function queryStringFromQueryParams(queryParams?: object): string { - // if params are undefined or empty, return an empty string - if (_.isUndefined(queryParams) || _.isEmpty(queryParams)) { - return ''; - } - // stringify the formatted object - const stringifiedParams = queryString.stringify(queryParams); - return `?${stringifiedParams}`; -} |