OliverJAsh
/ foo.js
Last active
October 22, 2021 09:45
Async iterators with map, skipWhile, and takeUntil
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| class FunctifiedAsync { | |
| constructor(iterable) { | |
| this.iterable = iterable; | |
| } | |
| async *[Symbol.asyncIterator]() { | |
| for await (const value of this.iterable) { | |
| yield value; | |
| } | |
| } |
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| import { createCipheriv, createDecipheriv, randomBytes } from "crypto"; | |
| const ENCRYPTION_KEY: string = process.env.ENCRYPTION_KEY || ""; // Must be 256 bits (32 characters) | |
| const IV_LENGTH: number = 16; // For AES, this is always 16 | |
| /** | |
| * Will generate valid encryption keys for use | |
| * Not used in the code below, but generate one and store it in ENV for your own purposes | |
| */ | |
| export function keyGen() { |
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| <!DOCTYPE html> | |
| <html> | |
| <svg width="80%" height="80%" viewBox="-100 -100 200 200"> | |
| <!-- Need this definition to make a drop shadow - based on examples from many articles, including svg spec --> | |
| <defs> | |
| <filter id="drop-shadow" x="-100%" y="-100%" width="300%" height="300%"> | |
| <feGaussianBlur in="SourceAlpha" stdDeviation="2"/> | |
| <feOffset dx="5" dy="5" result="offsetblur"/> | |
| <feFlood flood-color="#000000"/> |
singledigit
/ cognito.yaml
Last active
September 20, 2025 17:27
Create a Cognito Authentication Backend via CloudFormation
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| AWSTemplateFormatVersion: '2010-09-09' | |
| Description: Cognito Stack | |
| Parameters: | |
| AuthName: | |
| Type: String | |
| Description: Unique Auth Name for Cognito Resources | |
| Resources: | |
| # Creates a role that allows Cognito to send SNS messages | |
| SNSRole: |
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| # rename all .js to .mjs | |
| for f in **/*.js; do mv -- "$f" "${f%.js}.mjs"; done | |
| # add .mjs to all file-based import statements* | |
| find . -type f -name "*.mjs" -exec sed -i '' -E "s/(import.+'\.[a-zA-Z0-9\.\/-]+)';/\1\.mjs';/g" {} \; | |
| # *NOTES: | |
| # 1. This will double up existing .mjs extension in imports. | |
| # Couldn't get phrase negation working in this sed substitution regex :( | |
| # |
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| <body> | |
| <div id="⚛️"></div> | |
| <script src="https://unpkg.com/[email protected]/umd/react.development.js"></script> | |
| <script src="https://unpkg.com/[email protected]/umd/react-dom.development.js"></script> | |
| <script src="https://unpkg.com/[email protected]/babel.js"></script> | |
| <script type="text/babel"> | |
| ReactDOM.render(<div>Hello World!</div>, document.getElementById('⚛️')) | |
| </script> | |
| </body> |
stubailo
/ introspection-result-to-sdl.js
Created
May 16, 2018 05:15
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| const { buildClientSchema, printSchema } = require("graphql"); | |
| const fs = require("fs"); | |
| const introspectionSchemaResult = JSON.parse(fs.readFileSync("result.json")); | |
| const graphqlSchemaObj = buildClientSchema(introspectionSchemaResult); | |
| const sdlString = printSchema(graphqlSchemaObj); |
cabecada
/ gist:da8913830960a644755b18a02b65e184
Last active
January 14, 2025 16:00
python postgres connection with retry example
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| #!/usr/bin/env python | |
| #https://github.com/psycopg/psycopg2/issues/261 | |
| import psycopg2 | |
| ISOLEVEL = psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT | |
| import time |
alfonmga
/ apollo-refreshToken-link.js
Last active
September 5, 2023 22:29
Apollo refresh auth token link. It tries to refresh the user access token on the fly when API throws out an UNAUTHENTICATED error. If multiple requests fail at the same time, it queues them to re-try them later if we are able to get a new access token, otherwise we log out the user and redirect him to the login page.
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| import { onError } from 'apollo-link-error'; | |
| import { Observable } from 'apollo-link'; | |
| import { buildAuthHeader } from 'utils/requests'; | |
| import { getProvider as getGlobalProvider } from 'GlobalState'; | |
| let isFetchingToken = false; | |
| let tokenSubscribers = []; | |
| function subscribeTokenRefresh(cb) { | |
| tokenSubscribers.push(cb); |
sibelius
/ react-scripts+3.0.1.patch
Created
July 22, 2019 00:51
react-scripts patch-package to avoid type checking on CRA
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| diff --git a/node_modules/react-scripts/config/webpack.config.js b/node_modules/react-scripts/config/webpack.config.js | |
| index 8f70442..dfd86d8 100644 | |
| --- a/node_modules/react-scripts/config/webpack.config.js | |
| +++ b/node_modules/react-scripts/config/webpack.config.js | |
| @@ -47,6 +47,10 @@ const shouldInlineRuntimeChunk = process.env.INLINE_RUNTIME_CHUNK !== 'false'; | |
| // Check if TypeScript is setup | |
| const useTypeScript = fs.existsSync(paths.appTsConfig); | |
| +// Skip TypeScript type checking | |
| +const typeCheckTypeScript = |