Namespace: Http

Http

Fetch with authentication and exponential back-off

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Members


<private, static, constant> _AUTH_HEADER :string

Authorization header

Type:
  • string
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<private, static, constant> _BEARER :string

Bearer parameter for authorized call

Type:
  • string
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<private, static, constant> _CONFIG :Chrome.Http.Config

Configuration object

Type:
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<private, static, constant> _DELAY

Delay multiplier for exponential back-off

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<private, static, constant> _MAX_RETRIES :int

Max retries on 500 errors

Type:
  • int
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Methods


<private, static> _doIt(url, opts, conf) → {Promise.<JSON>}

Do a server request

Parameters:
Name Type Description
url string

server request

opts Object

fetch options

conf Chrome.Http.Config

configuration

Source:
Returns:

response from server

Type
Promise.<JSON>

<private, static> _fetch(url, opts, conf, attempt) → {Promise.<JSON>}

Perform fetch, optionally using authorization and exponential back-off

Parameters:
Name Type Description
url string

server request

opts Object

fetch options

conf Chrome.Http.Config

configuration

attempt int

the retry attempt we are on

Source:
Returns:

response from server

Type
Promise.<JSON>

<private, static> _getAuthToken(isAuth, interactive) → {Promise.<string>}

Get authorization token

Parameters:
Name Type Description
isAuth boolean

if true, authorization required

interactive boolean

if true, user initiated

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Returns:

auth token

Type
Promise.<string>

<private, static> _getError(response) → {Error}

Get Error message

Parameters:
Name Type Description
response Chrome.Http.Response

server response

Source:
Returns:
Type
Error

<private, static> _processResponse(response, url, opts, conf, attempt) → {Promise.<JSON>}

Check response and act accordingly

Parameters:
Name Type Description
response Chrome.Http.Response

server response

url string

server

opts Object

fetch options

conf Chrome.Http.Config

configuration

attempt int

the retry attempt we are on

Source:
Returns:

response from server

Type
Promise.<JSON>

<private, static> _retry(url, opts, conf, attempt) → {Promise.<JSON>}

Retry authorized fetch with exponential back-off

Parameters:
Name Type Description
url string

server request

opts Object

fetch options

conf Chrome.Http.Config

configuration

attempt int

the retry attempt we are on

Source:
Returns:

response from server

Type
Promise.<JSON>

<private, static> _retryToken(url, opts, conf, attempt) → {Promise.<JSON>}

Retry fetch after removing cached auth token

Parameters:
Name Type Description
url string

server request

opts Object

fetch options

conf Chrome.Http.Config

configuration

attempt int

the retry attempt we are on

Source:
Returns:

response from server

Type
Promise.<JSON>

<static> doGet(url [, conf]) → {Promise.<JSON>}

Perform GET request

Parameters:
Name Type Argument Default Description
url string

server request

conf Chrome.Http.Config <optional>
null

configuration

Source:
Returns:

response from server

Type
Promise.<JSON>

<static> doPost(url [, conf]) → {Promise.<JSON>}

Perform POST request

Parameters:
Name Type Argument Default Description
url string

server request

conf Chrome.Http.Config <optional>
null

configuration

Source:
Returns:

response from server

Type
Promise.<JSON>

Type Definitions


Config

Http configuration

Type:
  • Object
Properties:
Name Type Argument Default Description
isAuth boolean <optional>
false

if true, authorization required

retryToken boolean <optional>
false

if true, retry with new token

interactive boolean <optional>
false

user initiated, if true

token string <optional>
<nullable>
null

auth token

backoff boolean <optional>
true

if true, do exponential back-off

maxRetries int <optional>
_MAX_ATTEMPTS

max retries

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Response

Http response

Type:
  • Object
Properties:
Name Type Description
ok boolean

success flag

json function

returned data as JSON

status int

HTTP response code

statusText string

HTTP response message

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