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const Never = undefined as never;

export class Result<T extends "ok" | "error", D, E extends Error> {
  private constructor(
    public readonly type: T,
    public readonly data: T extends "ok" ? D : never = Never,
    public readonly error: T extends "error" ? E : never = Never
  ) {}

  static ok<T>(value: T): Result<"ok", T, never> {

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// This script is adapted from david fahlander's post: https://dfahlander.medium.com/export-indexeddb-from-a-web-app-using-devtools-62c55a8996a1
// You should be able to drop this in the console on a riverside.fm page once you're logged in. 

// Find the indexdb table name that you want to import by 2. Include dexie-export-import into the page.
const dbName = 'export-db'

const loadScript = src => 
  new Promise(resolve => { 
    let script = document.createElement('script')
    script.src = src;

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// Don't allow this
export const ArrowComponent = () => (
  <div>
    <h1>My special implicit arrow function</h1>
  </div>
)

//  This is okay
export const SimpleComponent = () => <h1>This is fine</h1>

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repeat
5

Baseline

yarn webpack

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• Update package.json by running yarn version --prerelease --preid=canary
• Run npm publish --tag canary to publish the package under the canary tag
• Run yarn add @artsy/reaction@canary to install canary package

Running npm dist-tag ls can be helpful to see what tagged packages are available

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import { NowRequest, NowResponse } from "@now/node";
import { http, https } from "follow-redirects";
import { URL } from "url";

export = (request: NowRequest, response: NowResponse) => {
  console.log(request.headers);
  const event = request.headers["x-github-event"];
  if (!event) return response.status(404).end();

  const url = new URL(`https://${request.headers.host}/${request.url}`);

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// uses mocha
const { rgb } = require("wcag-contrast");
const fromHex = require("@fantasy-color/from-hex").default;
const fs = require("fs");
const assert = require("assert");

const parsedColors = fs
  .readFileSync(__dirname + "/../parsed-colors.txt")
  .toString()
  .split("\n")

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const fs = require("fs");
const fromRGB = require("@fantasy-color/from-rgb").default;

const hex = color => color.toString(16).padStart(2, "0");
const rgbToHex = rgb => {
  const { red, green, blue } = fromRGB(rgb);
  return `#${hex(red)}${hex(green)}${hex(blue)}`;
};

const colors = fs

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// Uses wdio to run

const fs = require("fs");

const colors = fs
  .readFileSync("./colors.txt")
  .toString()
  .split("\n");

const pages = colors.map(color => `https://github.com/zephraph/test/labels/preview/TEXT?color=${color.slice(1)}`);

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#000000
#000f17
#001e1c
#002b00
#0037ca
#004473
#005160
#005e53
#006b3d
#007800