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Merge pull request #9 from xmtp/rygine/add-reaction-type
Add Reaction content type
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module.exports = { | ||
root: true, | ||
extends: ["custom"], | ||
parserOptions: { | ||
project: "./tsconfig.eslint.json", | ||
}, | ||
rules: { | ||
"class-methods-use-this": "off", | ||
}, | ||
}; |
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MIT License | ||
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Copyright (c) 2023 XMTP developers (xmtp.org) | ||
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Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the "Software"), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
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The above copyright notice and this permission notice shall be included in all | ||
copies or substantial portions of the Software. | ||
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
SOFTWARE. |
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# Reaction content type | ||
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This package provides an XMTP content type to support reactions to messages. | ||
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### What’s a reaction? | ||
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A reaction is a way to respond to messages. | ||
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Reactions are repesented as objects with the following keys: | ||
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- `reference`: The message ID for the message that is being reacted to | ||
- `action`: The action of the reaction (`added` or `removed`) | ||
- `content`: A string representation of a reaction (e.g. `smile`) to be interpreted by clients | ||
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### Create a reaction | ||
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```tsx | ||
const reaction: Reaction = { | ||
reference: someMessageID, | ||
action: "added", | ||
content: "smile", | ||
}; | ||
``` | ||
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### Send a reaction | ||
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Now that you have a reaction, you can send it: | ||
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```tsx | ||
await conversation.messages.send(reaction, { | ||
contentType: ContentTypeReaction, | ||
contentFallback: `[Reaction] ${client.address} reacted to ${someMessage.content} with:\n\n${reaction.content}`, | ||
}); | ||
``` | ||
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Note that we’re using `contentFallback` to enable clients that don't support these content types to still display something. For cases where clients *do* support these types, they can use the content fallback as alt text for accessibility purposes. | ||
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### Receive a reaction | ||
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Now that you can send a reaction, you need a way to receive a reaction. For example: | ||
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```tsx | ||
// Assume `loadLastMessage` is a thing you have | ||
const message: DecodedMessage = await loadLastMessage(); | ||
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if (!message.contentType.sameAs(ContentTypeReaction)) { | ||
// We do not have a reaction. A topic for another blog post. | ||
return; | ||
} | ||
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// We've got a reaction. | ||
const reaction: Reaction = message.content; | ||
``` | ||
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### Display the reaction | ||
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Generally, reactions should be interpreted as emoji. So, `smile` would translate to :smile: in UI clients. That being said, how you ultimately choose to render a reaction is up to you. | ||
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## Developing | ||
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Run `yarn dev` to build the content type and watch for changes, which will trigger a rebuild. | ||
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## Testing | ||
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Before running unit tests, start the required Docker container at the root of this repository. For more info, see [Running tests](../../README.md#running-tests). | ||
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## Useful commands | ||
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- `yarn build`: Builds the content type | ||
- `yarn clean`: Removes `node_modules`, `dist`, and `.turbo` folders | ||
- `yarn dev`: Builds the content type and watches for changes, which will trigger a rebuild | ||
- `yarn format`: Runs prettier format and write changes | ||
- `yarn format:check`: Runs prettier format check | ||
- `yarn lint`: Runs ESLint | ||
- `yarn test:setup`: Starts a necessary docker container for testing | ||
- `yarn test:teardown`: Stops docker container for testing | ||
- `yarn test`: Runs all unit tests | ||
- `yarn typecheck`: Runs `tsc` |
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{ | ||
"name": "@xmtp/content-type-reaction", | ||
"version": "1.0.0", | ||
"description": "An XMTP content type to support reactions to messages", | ||
"author": "XMTP Labs <eng@xmtp.com>", | ||
"license": "MIT", | ||
"type": "module", | ||
"main": "dist/index.cjs", | ||
"module": "dist/index.js", | ||
"types": "dist/index.d.ts", | ||
"browser": "dist/web/index.js", | ||
"exports": { | ||
".": { | ||
"types": "./dist/index.d.ts", | ||
"browser": "./dist/web/index.js", | ||
"import": "./dist/index.js", | ||
"require": "./dist/index.cjs" | ||
} | ||
}, | ||
"sideEffects": false, | ||
"repository": { | ||
"type": "git", | ||
"url": "git@github.com:xmtp/xmtp-js-content-types.git", | ||
"directory": "packages/content-type-reaction" | ||
}, | ||
"homepage": "https://github.com/xmtp/xmtp-js-content-types", | ||
"bugs": { | ||
"url": "https://github.com/xmtp/xmtp-js-content-types/issues" | ||
}, | ||
"keywords": [ | ||
"xmtp", | ||
"messaging", | ||
"web3", | ||
"js", | ||
"ts", | ||
"javascript", | ||
"typescript", | ||
"content-types" | ||
], | ||
"publishConfig": { | ||
"access": "public" | ||
}, | ||
"browserslist": { | ||
"production": [ | ||
">0.2%", | ||
"not dead", | ||
"not op_mini all" | ||
], | ||
"development": [ | ||
"last 3 chrome versions", | ||
"last 3 firefox versions", | ||
"last 3 safari versions" | ||
] | ||
}, | ||
"scripts": { | ||
"build:node": "tsup", | ||
"build:web": "tsup --platform browser --target esnext", | ||
"build": "yarn clean:build && yarn build:node && yarn build:web", | ||
"clean:build": "rimraf dist", | ||
"clean": "rimraf .turbo node_modules && yarn clean:build", | ||
"dev": "tsup --watch", | ||
"format:base": "prettier --ignore-path ../../.gitignore", | ||
"format:check": "yarn format:base -c .", | ||
"format": "yarn format:base -w .", | ||
"generate:types": "tsup --dts-only", | ||
"lint": "eslint . --ignore-path ../../.gitignore", | ||
"test:jsdom": "NODE_TLS_REJECT_UNAUTHORIZED=0 vitest run --environment jsdom", | ||
"test:node": "NODE_TLS_REJECT_UNAUTHORIZED=0 vitest run --environment node", | ||
"test": "yarn test:node && yarn test:jsdom", | ||
"typecheck": "tsc --noEmit" | ||
}, | ||
"dependencies": { | ||
"@xmtp/xmtp-js": "^9.1.7" | ||
}, | ||
"devDependencies": { | ||
"@types/node": "^18.14.2", | ||
"buffer": "^6.0.3", | ||
"esbuild": "^0.18.2", | ||
"esbuild-plugin-external-global": "^1.0.1", | ||
"eslint": "^8.43.0", | ||
"eslint-config-custom": "workspace:*", | ||
"ethers": "^6.0.8", | ||
"jsdom": "^22.1.0", | ||
"prettier": "^2.8.8", | ||
"rimraf": "^5.0.1", | ||
"tsup": "^7.0.0", | ||
"typescript": "^5.1.3", | ||
"vite": "^4.3.9", | ||
"vitest": "^0.32.2" | ||
}, | ||
"peerDependencies": { | ||
"@xmtp/xmtp-js": "^9.1.7" | ||
} | ||
} |
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import { Wallet } from "ethers"; | ||
import { Client } from "@xmtp/xmtp-js"; | ||
import { ContentTypeReaction, ReactionCodec } from "./Reaction"; | ||
import type { Reaction } from "./Reaction"; | ||
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describe("ReactionContentType", () => { | ||
it("has the right content type", () => { | ||
expect(ContentTypeReaction.authorityId).toBe("xmtp.org"); | ||
expect(ContentTypeReaction.typeId).toBe("reaction"); | ||
expect(ContentTypeReaction.versionMajor).toBe(1); | ||
expect(ContentTypeReaction.versionMinor).toBe(0); | ||
}); | ||
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it("can send a reaction", async () => { | ||
const aliceWallet = Wallet.createRandom(); | ||
const aliceClient = await Client.create(aliceWallet, { env: "local" }); | ||
aliceClient.registerCodec(new ReactionCodec()); | ||
await aliceClient.publishUserContact(); | ||
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const bobWallet = Wallet.createRandom(); | ||
const bobClient = await Client.create(bobWallet, { env: "local" }); | ||
bobClient.registerCodec(new ReactionCodec()); | ||
await bobClient.publishUserContact(); | ||
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const conversation = await aliceClient.conversations.newConversation( | ||
bobWallet.address, | ||
); | ||
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const originalMessage = await conversation.send("test"); | ||
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const reaction: Reaction = { | ||
action: "added", | ||
content: "smile", | ||
reference: originalMessage.id, | ||
}; | ||
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await conversation.send(reaction, { contentType: ContentTypeReaction }); | ||
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const bobConversation = await bobClient.conversations.newConversation( | ||
aliceWallet.address, | ||
); | ||
const messages = await bobConversation.messages(); | ||
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expect(messages.length).toBe(2); | ||
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const reactionMessage = messages[1]; | ||
const messageContent = reactionMessage.content as Reaction; | ||
expect(messageContent.action).toBe("added"); | ||
expect(messageContent.content).toBe("smile"); | ||
expect(messageContent.reference).toBe(originalMessage.id); | ||
}); | ||
}); |
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import { ContentTypeId } from "@xmtp/xmtp-js"; | ||
import type { ContentCodec, EncodedContent } from "@xmtp/xmtp-js"; | ||
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export const ContentTypeReaction = new ContentTypeId({ | ||
authorityId: "xmtp.org", | ||
typeId: "reaction", | ||
versionMajor: 1, | ||
versionMinor: 0, | ||
}); | ||
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export type Reaction = { | ||
/** | ||
* The message ID for the message that is being reacted to | ||
*/ | ||
reference: string; | ||
/** | ||
* The action of the reaction | ||
*/ | ||
action: "added" | "removed"; | ||
/** | ||
* The content of the reaction | ||
*/ | ||
content: string; | ||
}; | ||
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export type ReactionParameters = Pick<Reaction, "action" | "reference"> & { | ||
encoding: "UTF-8"; | ||
}; | ||
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export class ReactionCodec implements ContentCodec<Reaction> { | ||
get contentType(): ContentTypeId { | ||
return ContentTypeReaction; | ||
} | ||
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encode(content: Reaction): EncodedContent<ReactionParameters> { | ||
return { | ||
type: ContentTypeReaction, | ||
parameters: { | ||
encoding: "UTF-8", | ||
action: content.action, | ||
reference: content.reference, | ||
}, | ||
content: new TextEncoder().encode(content.content), | ||
}; | ||
} | ||
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decode(content: EncodedContent<ReactionParameters>): Reaction { | ||
const { encoding } = content.parameters; | ||
if (encoding && encoding !== "UTF-8") { | ||
throw new Error(`unrecognized encoding ${encoding as string}`); | ||
} | ||
return { | ||
action: content.parameters.action, | ||
reference: content.parameters.reference, | ||
content: new TextDecoder().decode(content.content), | ||
}; | ||
} | ||
} |
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export { ReactionCodec, ContentTypeReaction } from "./Reaction"; | ||
export type { Reaction, ReactionParameters } from "./Reaction"; |
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{ | ||
"extends": "./tsconfig.json", | ||
"include": [".", ".eslintrc.cjs"], | ||
"exclude": ["dist", "node_modules"] | ||
} |
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{ | ||
"extends": "tsconfig/build.json", | ||
"include": ["."], | ||
"exclude": ["dist", "node_modules"] | ||
} |
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import { defineConfig } from "tsup"; | ||
import externalGlobal from "esbuild-plugin-external-global"; | ||
import type { Plugin } from "esbuild"; | ||
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export default defineConfig((options) => { | ||
const esbuildPlugins: Plugin[] = []; | ||
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// for the browser bundle, replace `crypto` import with an object that | ||
// returns the browser's built-in crypto library | ||
if (options.platform === "browser") { | ||
esbuildPlugins.push( | ||
externalGlobal.externalGlobalPlugin({ | ||
crypto: "{ webcrypto: window.crypto }", | ||
}), | ||
); | ||
} | ||
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return { | ||
entry: options.entry ?? ["src/index.ts"], | ||
outDir: | ||
options.outDir ?? (options.platform === "browser" ? "dist/web" : "dist"), | ||
splitting: false, | ||
sourcemap: true, | ||
treeshake: true, | ||
clean: true, | ||
bundle: true, | ||
platform: options.platform ?? "node", | ||
minify: options.platform === "browser", | ||
dts: options.platform !== "browser", | ||
format: | ||
options.format ?? | ||
(options.platform === "browser" ? ["esm"] : ["esm", "cjs"]), | ||
esbuildPlugins, | ||
}; | ||
}); |
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import { defineConfig } from "vitest/config"; | ||
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export default defineConfig({ | ||
test: { | ||
globals: true, | ||
setupFiles: "./vitest.setup.ts", | ||
}, | ||
}); |
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import { Buffer } from "buffer"; | ||
import { webcrypto } from "crypto"; | ||
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globalThis.Buffer = Buffer; | ||
globalThis.crypto = webcrypto as unknown as Crypto; |
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