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react-native/Libraries/Blob/BlobTypes.js

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Add blob implementation with WebSocket integration Summary: This is the first PR from a series of PRs grabbou and me will make to add blob support to React Native. The next PR will include blob support for XMLHttpRequest. I'd like to get this merged with minimal changes to preserve the attribution. My next PR can contain bigger changes. Blobs are used to transfer binary data between server and client. Currently React Native lacks a way to deal with binary data. The only thing that comes close is uploading files through a URI. Current workarounds to transfer binary data includes encoding and decoding them to base64 and and transferring them as string, which is not ideal, since it increases the payload size and the whole payload needs to be sent via the bridge every time changes are made. The PR adds a way to deal with blobs via a new native module. The blob is constructed on the native side and the data never needs to pass through the bridge. Currently the only way to create a blob is to receive a blob from the server via websocket. The PR is largely a direct port of https://github.com/silklabs/silk/tree/master/react-native-blobs by philikon into RN (with changes to integrate with RN), and attributed as such. > **Note:** This is a breaking change for all people running iOS without CocoaPods. You will have to manually add `RCTBlob.xcodeproj` to your `Libraries` and then, add it to Build Phases. Just follow the process of manual linking. We'll also need to document this process in the release notes. Related discussion - https://github.com/facebook/react-native/issues/11103 - `Image` can't show image when `URL.createObjectURL` is used with large images on Android The websocket integration can be tested via a simple server, ```js const fs = require('fs'); const http = require('http'); const WebSocketServer = require('ws').Server; const wss = new WebSocketServer({ server: http.createServer().listen(7232), }); wss.on('connection', (ws) => { ws.on('message', (d) => { console.log(d); }); ws.send(fs.readFileSync('./some-file')); }); ``` Then on the client, ```js var ws = new WebSocket('ws://localhost:7232'); ws.binaryType = 'blob'; ws.onerror = (error) => { console.error(error); }; ws.onmessage = (e) => { console.log(e.data); ws.send(e.data); }; ``` cc brentvatne ide Closes https://github.com/facebook/react-native/pull/11417 Reviewed By: sahrens Differential Revision: D5188484 Pulled By: javache fbshipit-source-id: 6afcbc4d19aa7a27b0dc9d52701ba400e7d7e98f
2017-07-26 08:12:12 -07:00
/**
Update copyright headers to yearless format Summary: This change drops the year from the copyright headers and the LICENSE file. Reviewed By: yungsters Differential Revision: D9727774 fbshipit-source-id: df4fc1e4390733fe774b1a160dd41b4a3d83302a
2018-09-11 15:27:47 -07:00
* Copyright (c) Facebook, Inc. and its affiliates.
Add blob implementation with WebSocket integration Summary: This is the first PR from a series of PRs grabbou and me will make to add blob support to React Native. The next PR will include blob support for XMLHttpRequest. I'd like to get this merged with minimal changes to preserve the attribution. My next PR can contain bigger changes. Blobs are used to transfer binary data between server and client. Currently React Native lacks a way to deal with binary data. The only thing that comes close is uploading files through a URI. Current workarounds to transfer binary data includes encoding and decoding them to base64 and and transferring them as string, which is not ideal, since it increases the payload size and the whole payload needs to be sent via the bridge every time changes are made. The PR adds a way to deal with blobs via a new native module. The blob is constructed on the native side and the data never needs to pass through the bridge. Currently the only way to create a blob is to receive a blob from the server via websocket. The PR is largely a direct port of https://github.com/silklabs/silk/tree/master/react-native-blobs by philikon into RN (with changes to integrate with RN), and attributed as such. > **Note:** This is a breaking change for all people running iOS without CocoaPods. You will have to manually add `RCTBlob.xcodeproj` to your `Libraries` and then, add it to Build Phases. Just follow the process of manual linking. We'll also need to document this process in the release notes. Related discussion - https://github.com/facebook/react-native/issues/11103 - `Image` can't show image when `URL.createObjectURL` is used with large images on Android The websocket integration can be tested via a simple server, ```js const fs = require('fs'); const http = require('http'); const WebSocketServer = require('ws').Server; const wss = new WebSocketServer({ server: http.createServer().listen(7232), }); wss.on('connection', (ws) => { ws.on('message', (d) => { console.log(d); }); ws.send(fs.readFileSync('./some-file')); }); ``` Then on the client, ```js var ws = new WebSocket('ws://localhost:7232'); ws.binaryType = 'blob'; ws.onerror = (error) => { console.error(error); }; ws.onmessage = (e) => { console.log(e.data); ws.send(e.data); }; ``` cc brentvatne ide Closes https://github.com/facebook/react-native/pull/11417 Reviewed By: sahrens Differential Revision: D5188484 Pulled By: javache fbshipit-source-id: 6afcbc4d19aa7a27b0dc9d52701ba400e7d7e98f
2017-07-26 08:12:12 -07:00
*
Update license headers for MIT license Summary: Includes React Native and its dependencies Fresco, Metro, and Yoga. Excludes samples/examples/docs. find: ^(?:( *)|( *(?:[\*~#]|::))( )? *)?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+?BSD[\s\S]+?(?:this source tree|the same directory)\.$ replace: $1$2$3Copyright (c) $4-present, Facebook, Inc.\n$2\n$1$2$3This source code is licensed under the MIT license found in the\n$1$2$3LICENSE file in the root directory of this source tree. Reviewed By: TheSavior, yungsters Differential Revision: D7007050 fbshipit-source-id: 37dd6bf0ffec0923bfc99c260bb330683f35553e
2018-02-16 18:24:55 -08:00
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
Add blob implementation with WebSocket integration Summary: This is the first PR from a series of PRs grabbou and me will make to add blob support to React Native. The next PR will include blob support for XMLHttpRequest. I'd like to get this merged with minimal changes to preserve the attribution. My next PR can contain bigger changes. Blobs are used to transfer binary data between server and client. Currently React Native lacks a way to deal with binary data. The only thing that comes close is uploading files through a URI. Current workarounds to transfer binary data includes encoding and decoding them to base64 and and transferring them as string, which is not ideal, since it increases the payload size and the whole payload needs to be sent via the bridge every time changes are made. The PR adds a way to deal with blobs via a new native module. The blob is constructed on the native side and the data never needs to pass through the bridge. Currently the only way to create a blob is to receive a blob from the server via websocket. The PR is largely a direct port of https://github.com/silklabs/silk/tree/master/react-native-blobs by philikon into RN (with changes to integrate with RN), and attributed as such. > **Note:** This is a breaking change for all people running iOS without CocoaPods. You will have to manually add `RCTBlob.xcodeproj` to your `Libraries` and then, add it to Build Phases. Just follow the process of manual linking. We'll also need to document this process in the release notes. Related discussion - https://github.com/facebook/react-native/issues/11103 - `Image` can't show image when `URL.createObjectURL` is used with large images on Android The websocket integration can be tested via a simple server, ```js const fs = require('fs'); const http = require('http'); const WebSocketServer = require('ws').Server; const wss = new WebSocketServer({ server: http.createServer().listen(7232), }); wss.on('connection', (ws) => { ws.on('message', (d) => { console.log(d); }); ws.send(fs.readFileSync('./some-file')); }); ``` Then on the client, ```js var ws = new WebSocket('ws://localhost:7232'); ws.binaryType = 'blob'; ws.onerror = (error) => { console.error(error); }; ws.onmessage = (e) => { console.log(e.data); ws.send(e.data); }; ``` cc brentvatne ide Closes https://github.com/facebook/react-native/pull/11417 Reviewed By: sahrens Differential Revision: D5188484 Pulled By: javache fbshipit-source-id: 6afcbc4d19aa7a27b0dc9d52701ba400e7d7e98f
2017-07-26 08:12:12 -07:00
*
Flow strictify possible files in RN core Summary: This was done by running the command on: https://our.intern.facebook.com/intern/wiki/Flow_Strict/ ``` ag -L --ignore __snapshots__ 'flow strict$|noflow|generated|partially-generated' | ag '\.js$' | xargs ag -l 'flow' | sort > ~/temp cat ~/temp | xargs ag -L 'flow strict' | xargs sed -i 's/flow$/flow strict/' cat ~/temp | xargs ag -L 'flow strict$' | xargs sed -i 's/flow strict-local$/flow strict/' until flow; do flow --json | jq -r '.errors[].message[0].path' | sort | uniq | xargs hg revert; done ``` Reviewed By: sahrens Differential Revision: D8530207 fbshipit-source-id: c28c7ac5ed3e9b80f3d126d5f30463be8a8a744d
2018-06-20 00:35:29 -07:00
* @flow strict
Implement Blob support for XMLHttpRequest Summary: This PR is a followup to https://github.com/facebook/react-native/pull/11417 and should be merged after that one is merged. 1. Add support for creating blobs from strings, not just other blobs 1. Add the `File` constructor which is a superset of `Blob` 1. Add the `FileReader` API which can be used to read blobs as strings or data url (base64) 1. Add support for uploading and downloading blobs via `XMLHttpRequest` and `fetch` 1. Add ability to download local files on Android so you can do `fetch(uri).then(res => res.blob())` to get a blob for a local file (iOS already supported this) 1. Clone the repo https://github.com/expo/react-native-blob-test 1. Change the `package.json` and update `react-native` dependency to point to this branch, then run `npm install` 1. Run the `server.js` file with `node server.js` 1. Open the `index.common.js` file and replace `localhost` with your computer's IP address 1. Start the packager with `yarn start` and run the app on your device If everything went well, all tests should pass, and you should see a screen like this: ![screen shot 2017-06-08 at 7 53 08 pm](https://user-images.githubusercontent.com/1174278/26936407-435bbce2-4c8c-11e7-9ae3-eb104e46961e.png)! Pull to rerun all tests or tap on specific test to re-run it [GENERAL] [FEATURE] [Blob] - Implement blob support for XMLHttpRequest Closes https://github.com/facebook/react-native/pull/11573 Reviewed By: shergin Differential Revision: D6082054 Pulled By: hramos fbshipit-source-id: cc9c174fdefdfaf6e5d9fd7b300120a01a50e8c1
2018-01-26 09:06:14 -08:00
* @format
Add blob implementation with WebSocket integration Summary: This is the first PR from a series of PRs grabbou and me will make to add blob support to React Native. The next PR will include blob support for XMLHttpRequest. I'd like to get this merged with minimal changes to preserve the attribution. My next PR can contain bigger changes. Blobs are used to transfer binary data between server and client. Currently React Native lacks a way to deal with binary data. The only thing that comes close is uploading files through a URI. Current workarounds to transfer binary data includes encoding and decoding them to base64 and and transferring them as string, which is not ideal, since it increases the payload size and the whole payload needs to be sent via the bridge every time changes are made. The PR adds a way to deal with blobs via a new native module. The blob is constructed on the native side and the data never needs to pass through the bridge. Currently the only way to create a blob is to receive a blob from the server via websocket. The PR is largely a direct port of https://github.com/silklabs/silk/tree/master/react-native-blobs by philikon into RN (with changes to integrate with RN), and attributed as such. > **Note:** This is a breaking change for all people running iOS without CocoaPods. You will have to manually add `RCTBlob.xcodeproj` to your `Libraries` and then, add it to Build Phases. Just follow the process of manual linking. We'll also need to document this process in the release notes. Related discussion - https://github.com/facebook/react-native/issues/11103 - `Image` can't show image when `URL.createObjectURL` is used with large images on Android The websocket integration can be tested via a simple server, ```js const fs = require('fs'); const http = require('http'); const WebSocketServer = require('ws').Server; const wss = new WebSocketServer({ server: http.createServer().listen(7232), }); wss.on('connection', (ws) => { ws.on('message', (d) => { console.log(d); }); ws.send(fs.readFileSync('./some-file')); }); ``` Then on the client, ```js var ws = new WebSocket('ws://localhost:7232'); ws.binaryType = 'blob'; ws.onerror = (error) => { console.error(error); }; ws.onmessage = (e) => { console.log(e.data); ws.send(e.data); }; ``` cc brentvatne ide Closes https://github.com/facebook/react-native/pull/11417 Reviewed By: sahrens Differential Revision: D5188484 Pulled By: javache fbshipit-source-id: 6afcbc4d19aa7a27b0dc9d52701ba400e7d7e98f
2017-07-26 08:12:12 -07:00
*/
'use strict';
Implement Blob support for XMLHttpRequest Summary: This PR is a followup to https://github.com/facebook/react-native/pull/11417 and should be merged after that one is merged. 1. Add support for creating blobs from strings, not just other blobs 1. Add the `File` constructor which is a superset of `Blob` 1. Add the `FileReader` API which can be used to read blobs as strings or data url (base64) 1. Add support for uploading and downloading blobs via `XMLHttpRequest` and `fetch` 1. Add ability to download local files on Android so you can do `fetch(uri).then(res => res.blob())` to get a blob for a local file (iOS already supported this) 1. Clone the repo https://github.com/expo/react-native-blob-test 1. Change the `package.json` and update `react-native` dependency to point to this branch, then run `npm install` 1. Run the `server.js` file with `node server.js` 1. Open the `index.common.js` file and replace `localhost` with your computer's IP address 1. Start the packager with `yarn start` and run the app on your device If everything went well, all tests should pass, and you should see a screen like this: ![screen shot 2017-06-08 at 7 53 08 pm](https://user-images.githubusercontent.com/1174278/26936407-435bbce2-4c8c-11e7-9ae3-eb104e46961e.png)! Pull to rerun all tests or tap on specific test to re-run it [GENERAL] [FEATURE] [Blob] - Implement blob support for XMLHttpRequest Closes https://github.com/facebook/react-native/pull/11573 Reviewed By: shergin Differential Revision: D6082054 Pulled By: hramos fbshipit-source-id: cc9c174fdefdfaf6e5d9fd7b300120a01a50e8c1
2018-01-26 09:06:14 -08:00
export type BlobData = {
Add blob implementation with WebSocket integration Summary: This is the first PR from a series of PRs grabbou and me will make to add blob support to React Native. The next PR will include blob support for XMLHttpRequest. I'd like to get this merged with minimal changes to preserve the attribution. My next PR can contain bigger changes. Blobs are used to transfer binary data between server and client. Currently React Native lacks a way to deal with binary data. The only thing that comes close is uploading files through a URI. Current workarounds to transfer binary data includes encoding and decoding them to base64 and and transferring them as string, which is not ideal, since it increases the payload size and the whole payload needs to be sent via the bridge every time changes are made. The PR adds a way to deal with blobs via a new native module. The blob is constructed on the native side and the data never needs to pass through the bridge. Currently the only way to create a blob is to receive a blob from the server via websocket. The PR is largely a direct port of https://github.com/silklabs/silk/tree/master/react-native-blobs by philikon into RN (with changes to integrate with RN), and attributed as such. > **Note:** This is a breaking change for all people running iOS without CocoaPods. You will have to manually add `RCTBlob.xcodeproj` to your `Libraries` and then, add it to Build Phases. Just follow the process of manual linking. We'll also need to document this process in the release notes. Related discussion - https://github.com/facebook/react-native/issues/11103 - `Image` can't show image when `URL.createObjectURL` is used with large images on Android The websocket integration can be tested via a simple server, ```js const fs = require('fs'); const http = require('http'); const WebSocketServer = require('ws').Server; const wss = new WebSocketServer({ server: http.createServer().listen(7232), }); wss.on('connection', (ws) => { ws.on('message', (d) => { console.log(d); }); ws.send(fs.readFileSync('./some-file')); }); ``` Then on the client, ```js var ws = new WebSocket('ws://localhost:7232'); ws.binaryType = 'blob'; ws.onerror = (error) => { console.error(error); }; ws.onmessage = (e) => { console.log(e.data); ws.send(e.data); }; ``` cc brentvatne ide Closes https://github.com/facebook/react-native/pull/11417 Reviewed By: sahrens Differential Revision: D5188484 Pulled By: javache fbshipit-source-id: 6afcbc4d19aa7a27b0dc9d52701ba400e7d7e98f
2017-07-26 08:12:12 -07:00
blobId: string,
offset: number,
size: number,
Implement Blob support for XMLHttpRequest Summary: This PR is a followup to https://github.com/facebook/react-native/pull/11417 and should be merged after that one is merged. 1. Add support for creating blobs from strings, not just other blobs 1. Add the `File` constructor which is a superset of `Blob` 1. Add the `FileReader` API which can be used to read blobs as strings or data url (base64) 1. Add support for uploading and downloading blobs via `XMLHttpRequest` and `fetch` 1. Add ability to download local files on Android so you can do `fetch(uri).then(res => res.blob())` to get a blob for a local file (iOS already supported this) 1. Clone the repo https://github.com/expo/react-native-blob-test 1. Change the `package.json` and update `react-native` dependency to point to this branch, then run `npm install` 1. Run the `server.js` file with `node server.js` 1. Open the `index.common.js` file and replace `localhost` with your computer's IP address 1. Start the packager with `yarn start` and run the app on your device If everything went well, all tests should pass, and you should see a screen like this: ![screen shot 2017-06-08 at 7 53 08 pm](https://user-images.githubusercontent.com/1174278/26936407-435bbce2-4c8c-11e7-9ae3-eb104e46961e.png)! Pull to rerun all tests or tap on specific test to re-run it [GENERAL] [FEATURE] [Blob] - Implement blob support for XMLHttpRequest Closes https://github.com/facebook/react-native/pull/11573 Reviewed By: shergin Differential Revision: D6082054 Pulled By: hramos fbshipit-source-id: cc9c174fdefdfaf6e5d9fd7b300120a01a50e8c1
2018-01-26 09:06:14 -08:00
name?: string,
Add blob implementation with WebSocket integration Summary: This is the first PR from a series of PRs grabbou and me will make to add blob support to React Native. The next PR will include blob support for XMLHttpRequest. I'd like to get this merged with minimal changes to preserve the attribution. My next PR can contain bigger changes. Blobs are used to transfer binary data between server and client. Currently React Native lacks a way to deal with binary data. The only thing that comes close is uploading files through a URI. Current workarounds to transfer binary data includes encoding and decoding them to base64 and and transferring them as string, which is not ideal, since it increases the payload size and the whole payload needs to be sent via the bridge every time changes are made. The PR adds a way to deal with blobs via a new native module. The blob is constructed on the native side and the data never needs to pass through the bridge. Currently the only way to create a blob is to receive a blob from the server via websocket. The PR is largely a direct port of https://github.com/silklabs/silk/tree/master/react-native-blobs by philikon into RN (with changes to integrate with RN), and attributed as such. > **Note:** This is a breaking change for all people running iOS without CocoaPods. You will have to manually add `RCTBlob.xcodeproj` to your `Libraries` and then, add it to Build Phases. Just follow the process of manual linking. We'll also need to document this process in the release notes. Related discussion - https://github.com/facebook/react-native/issues/11103 - `Image` can't show image when `URL.createObjectURL` is used with large images on Android The websocket integration can be tested via a simple server, ```js const fs = require('fs'); const http = require('http'); const WebSocketServer = require('ws').Server; const wss = new WebSocketServer({ server: http.createServer().listen(7232), }); wss.on('connection', (ws) => { ws.on('message', (d) => { console.log(d); }); ws.send(fs.readFileSync('./some-file')); }); ``` Then on the client, ```js var ws = new WebSocket('ws://localhost:7232'); ws.binaryType = 'blob'; ws.onerror = (error) => { console.error(error); }; ws.onmessage = (e) => { console.log(e.data); ws.send(e.data); }; ``` cc brentvatne ide Closes https://github.com/facebook/react-native/pull/11417 Reviewed By: sahrens Differential Revision: D5188484 Pulled By: javache fbshipit-source-id: 6afcbc4d19aa7a27b0dc9d52701ba400e7d7e98f
2017-07-26 08:12:12 -07:00
type?: string,
Implement Blob support for XMLHttpRequest Summary: This PR is a followup to https://github.com/facebook/react-native/pull/11417 and should be merged after that one is merged. 1. Add support for creating blobs from strings, not just other blobs 1. Add the `File` constructor which is a superset of `Blob` 1. Add the `FileReader` API which can be used to read blobs as strings or data url (base64) 1. Add support for uploading and downloading blobs via `XMLHttpRequest` and `fetch` 1. Add ability to download local files on Android so you can do `fetch(uri).then(res => res.blob())` to get a blob for a local file (iOS already supported this) 1. Clone the repo https://github.com/expo/react-native-blob-test 1. Change the `package.json` and update `react-native` dependency to point to this branch, then run `npm install` 1. Run the `server.js` file with `node server.js` 1. Open the `index.common.js` file and replace `localhost` with your computer's IP address 1. Start the packager with `yarn start` and run the app on your device If everything went well, all tests should pass, and you should see a screen like this: ![screen shot 2017-06-08 at 7 53 08 pm](https://user-images.githubusercontent.com/1174278/26936407-435bbce2-4c8c-11e7-9ae3-eb104e46961e.png)! Pull to rerun all tests or tap on specific test to re-run it [GENERAL] [FEATURE] [Blob] - Implement blob support for XMLHttpRequest Closes https://github.com/facebook/react-native/pull/11573 Reviewed By: shergin Differential Revision: D6082054 Pulled By: hramos fbshipit-source-id: cc9c174fdefdfaf6e5d9fd7b300120a01a50e8c1
2018-01-26 09:06:14 -08:00
lastModified?: number,
Add blob implementation with WebSocket integration Summary: This is the first PR from a series of PRs grabbou and me will make to add blob support to React Native. The next PR will include blob support for XMLHttpRequest. I'd like to get this merged with minimal changes to preserve the attribution. My next PR can contain bigger changes. Blobs are used to transfer binary data between server and client. Currently React Native lacks a way to deal with binary data. The only thing that comes close is uploading files through a URI. Current workarounds to transfer binary data includes encoding and decoding them to base64 and and transferring them as string, which is not ideal, since it increases the payload size and the whole payload needs to be sent via the bridge every time changes are made. The PR adds a way to deal with blobs via a new native module. The blob is constructed on the native side and the data never needs to pass through the bridge. Currently the only way to create a blob is to receive a blob from the server via websocket. The PR is largely a direct port of https://github.com/silklabs/silk/tree/master/react-native-blobs by philikon into RN (with changes to integrate with RN), and attributed as such. > **Note:** This is a breaking change for all people running iOS without CocoaPods. You will have to manually add `RCTBlob.xcodeproj` to your `Libraries` and then, add it to Build Phases. Just follow the process of manual linking. We'll also need to document this process in the release notes. Related discussion - https://github.com/facebook/react-native/issues/11103 - `Image` can't show image when `URL.createObjectURL` is used with large images on Android The websocket integration can be tested via a simple server, ```js const fs = require('fs'); const http = require('http'); const WebSocketServer = require('ws').Server; const wss = new WebSocketServer({ server: http.createServer().listen(7232), }); wss.on('connection', (ws) => { ws.on('message', (d) => { console.log(d); }); ws.send(fs.readFileSync('./some-file')); }); ``` Then on the client, ```js var ws = new WebSocket('ws://localhost:7232'); ws.binaryType = 'blob'; ws.onerror = (error) => { console.error(error); }; ws.onmessage = (e) => { console.log(e.data); ws.send(e.data); }; ``` cc brentvatne ide Closes https://github.com/facebook/react-native/pull/11417 Reviewed By: sahrens Differential Revision: D5188484 Pulled By: javache fbshipit-source-id: 6afcbc4d19aa7a27b0dc9d52701ba400e7d7e98f
2017-07-26 08:12:12 -07:00
};
Implement Blob support for XMLHttpRequest Summary: This PR is a followup to https://github.com/facebook/react-native/pull/11417 and should be merged after that one is merged. 1. Add support for creating blobs from strings, not just other blobs 1. Add the `File` constructor which is a superset of `Blob` 1. Add the `FileReader` API which can be used to read blobs as strings or data url (base64) 1. Add support for uploading and downloading blobs via `XMLHttpRequest` and `fetch` 1. Add ability to download local files on Android so you can do `fetch(uri).then(res => res.blob())` to get a blob for a local file (iOS already supported this) 1. Clone the repo https://github.com/expo/react-native-blob-test 1. Change the `package.json` and update `react-native` dependency to point to this branch, then run `npm install` 1. Run the `server.js` file with `node server.js` 1. Open the `index.common.js` file and replace `localhost` with your computer's IP address 1. Start the packager with `yarn start` and run the app on your device If everything went well, all tests should pass, and you should see a screen like this: ![screen shot 2017-06-08 at 7 53 08 pm](https://user-images.githubusercontent.com/1174278/26936407-435bbce2-4c8c-11e7-9ae3-eb104e46961e.png)! Pull to rerun all tests or tap on specific test to re-run it [GENERAL] [FEATURE] [Blob] - Implement blob support for XMLHttpRequest Closes https://github.com/facebook/react-native/pull/11573 Reviewed By: shergin Differential Revision: D6082054 Pulled By: hramos fbshipit-source-id: cc9c174fdefdfaf6e5d9fd7b300120a01a50e8c1
2018-01-26 09:06:14 -08:00
export type BlobOptions = {
type: string,
Add blob implementation with WebSocket integration Summary: This is the first PR from a series of PRs grabbou and me will make to add blob support to React Native. The next PR will include blob support for XMLHttpRequest. I'd like to get this merged with minimal changes to preserve the attribution. My next PR can contain bigger changes. Blobs are used to transfer binary data between server and client. Currently React Native lacks a way to deal with binary data. The only thing that comes close is uploading files through a URI. Current workarounds to transfer binary data includes encoding and decoding them to base64 and and transferring them as string, which is not ideal, since it increases the payload size and the whole payload needs to be sent via the bridge every time changes are made. The PR adds a way to deal with blobs via a new native module. The blob is constructed on the native side and the data never needs to pass through the bridge. Currently the only way to create a blob is to receive a blob from the server via websocket. The PR is largely a direct port of https://github.com/silklabs/silk/tree/master/react-native-blobs by philikon into RN (with changes to integrate with RN), and attributed as such. > **Note:** This is a breaking change for all people running iOS without CocoaPods. You will have to manually add `RCTBlob.xcodeproj` to your `Libraries` and then, add it to Build Phases. Just follow the process of manual linking. We'll also need to document this process in the release notes. Related discussion - https://github.com/facebook/react-native/issues/11103 - `Image` can't show image when `URL.createObjectURL` is used with large images on Android The websocket integration can be tested via a simple server, ```js const fs = require('fs'); const http = require('http'); const WebSocketServer = require('ws').Server; const wss = new WebSocketServer({ server: http.createServer().listen(7232), }); wss.on('connection', (ws) => { ws.on('message', (d) => { console.log(d); }); ws.send(fs.readFileSync('./some-file')); }); ``` Then on the client, ```js var ws = new WebSocket('ws://localhost:7232'); ws.binaryType = 'blob'; ws.onerror = (error) => { console.error(error); }; ws.onmessage = (e) => { console.log(e.data); ws.send(e.data); }; ``` cc brentvatne ide Closes https://github.com/facebook/react-native/pull/11417 Reviewed By: sahrens Differential Revision: D5188484 Pulled By: javache fbshipit-source-id: 6afcbc4d19aa7a27b0dc9d52701ba400e7d7e98f
2017-07-26 08:12:12 -07:00
lastModified: number,
};
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