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feat: expose a mode and version agnostic event receiver - #120
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Event receivers in the wild may not always know what version or mode an
incoming event is. Instead of requiring developers to inspect the headers
themselves, the SDK should provide an HTTP receiver that is capable of
figuring out what the version and mode (structured/binary) of an incoming
event is and handle it appropriately.
In determining the best way to expose this, I chose to modify the API a
little bit. Now, instead of `const CloudEvent = require('cloudevents-sdk');`
users need to destructure it.
```js
const { HTTPReceiver, CloudEvent } = require('cloudevents-sdk');
```
This change should not be backported to 1.x.
Fixes: cloudevents#93
Signed-off-by: Lance Ball <lball@redhat.com>
grant
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danbev
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May 5, 2020
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The cloudevents sdk has some inconsistencies with how it exposed the unmarshalling. Version 0.3 and earlier had an async API, while 1.0 (smartly) changed that. As a result, the impl in this file was pretty ugly. By using the receivers directly, we can avoid that and clean up this code. These changes are based on: cloudevents/sdk-javascript#120 Once those changes land in a released version of the cloudevents sdk this file can be even simpler as the sdk will handle most of this work. As an aside - dropped support for 0.2. Normally I wouldn't be so casual about dropping support, but upstream sdk has no 0.2 support in the next release and cloud events spec says only the two most recent versions are required to be supported.
lance
added a commit
to lance/faas-js-runtime
that referenced
this pull request
May 5, 2020
The cloudevents sdk has some inconsistencies with how it exposed the unmarshalling. Version 0.3 and earlier had an async API, while 1.0 (smartly) changed that. As a result, the impl in this file was pretty ugly. By using the receivers directly, we can avoid that and clean up this code. These changes are based on: cloudevents/sdk-javascript#120 Once those changes land in a released version of the cloudevents sdk this file can be even simpler as the sdk will handle most of this work. As an aside - dropped support for 0.2. Normally I wouldn't be so casual about dropping support, but upstream sdk has no 0.2 support in the next release and cloud events spec says only the two most recent versions are required to be supported.
lance
added a commit
to lance/faas-js-runtime
that referenced
this pull request
May 5, 2020
The cloudevents sdk has some inconsistencies with how it exposed the unmarshalling. Version 0.3 and earlier had an async API, while 1.0 (smartly) changed that. As a result, the impl in this file was pretty ugly. By using the receivers directly, we can avoid that and clean up this code. These changes are based on: cloudevents/sdk-javascript#120 Once those changes land in a released version of the cloudevents sdk this file can be even simpler as the sdk will handle most of this work. As an aside - dropped support for 0.2. Normally I wouldn't be so casual about dropping support, but upstream sdk has no 0.2 support in the next release and cloud events spec says only the two most recent versions are required to be supported.
Signed-off-by: Lance Ball <lball@redhat.com>
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@danbev thanks for the review - the PR has been updated. |
helio-frota
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May 5, 2020
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lance
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May 7, 2020
The cloudevents sdk has some inconsistencies with how it exposed the unmarshalling. Version 0.3 and earlier had an async API, while 1.0 (smartly) changed that. As a result, the impl in this file was pretty ugly. By using the receivers directly, we can avoid that and clean up this code. These changes are based on: cloudevents/sdk-javascript#120 Once those changes land in a released version of the cloudevents sdk this file can be even simpler as the sdk will handle most of this work. As an aside - dropped support for 0.2. Normally I wouldn't be so casual about dropping support, but upstream sdk has no 0.2 support in the next release and cloud events spec says only the two most recent versions are required to be supported.
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Event receivers in the wild may not always know what version or mode an
incoming event is. Instead of requiring developers to inspect the headers
themselves, the SDK should provide an HTTP receiver that is capable of
figuring out what the version and mode (structured/binary) of an incoming
event is and handle it appropriately.
In determining the best way to expose this, I chose to modify the API a
little bit. Now, instead of
const CloudEvent = require('cloudevents-sdk');users need to destructure it.
This change should not be backported to 1.x.
Fixes: #93
Signed-off-by: Lance Ball lball@redhat.com