devdoomari3

# usage: youtube-dl-playlist <youtube-playlist-url>
function youtube-dl-playlist() {
    youtube-dl -o "%(playlist_index)s-%(title)s.%(ext)s" $1
}

devdoomari3

// use cases: class decorators, etc

function forceOnlyOnce (test: string & {__T?: undefined}) {
  const test2: string = test

  return test2 as string & { __T: null }
}

const a = forceOnlyOnce('123')

devdoomari3

/* variation on https://medium.com/@DanHomola/react-higher-order-components-in-typescript-made-simple-6f9b55691af1 */
import * as React from 'react'
import { wrapDisplayName } from 'recompose'

// Props you want the resulting component to take (besides the props of the wrapped component)
interface ExternalProps {}

// Props the HOC adds to the wrapped component
export interface InjectedProps {}

devdoomari3

// 1. args-order matters:

import { map } from 'ramda'

type Person {
  name: string
}

function getName(person: Person) { return person.name }

devdoomari3

# for https://github.com/Instagram/MonkeyType/issues/105
class TypedDictPlaceHolder(dict):

    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        for (key, value) in kwargs.items():
            self.__dict__[key] = value

    def __setitem__(self, key, item):
        self.__dict__[key] = item

devdoomari3

import * as t from 'io-ts'
export class FromTsStringEnumType<T extends object> extends t.Type<T[keyof T]> {
  constructor (public enumObject: T, name?: string) {
    super(
      name || `fromTsStringEnum: ${enumObject}`,
      (u): u is T[keyof T] => Object
                                .values(enumObject)
                                .some(v => v === u),
      (u, c) => (this.is(u) ? t.success(u) : t.failure(u, c)),
      t.identity,

devdoomari3

export type PackedGenerics<A,B,C> = {
  a: A,
  b: B,
  c: C
}

type testType = PackedGenerics<number, boolean, string>

type unpack2nd<T extends PackedGenerics<any, any, any>> = T extends PackedGenerics<infer A2, infer B2, infer C2> ? {
  a2: A2,

devdoomari3

// from https://stackoverflow.com/questions/10555136/delete-multiple-remote-branches-in-git

// TODO - define bash/zsh func

devdoomari3

import { pipe } from 'ramda'

export function addB<T>(i: T) {
  return {
    ...i,
    b: 2,
  }
}

export function addC<T>(i: T) {

devdoomari3

https://stackoverflow.com/questions/57016728/is-there-a-way-to-define-type-for-array-with-unique-items-in-typescript

( https://www.typescriptlang.org/play/#code/MYewdgzgLgBFCuAHANgUwPIDMAyBLKqATgIbIQBcMA2gIwA0MATA4wLowC819TLrA3AFgAUKEiwEKDJgBy4PARJlKVMPAC2AIyIM1WnTD3bC7LrRZ8ho8NBjFCJAJ5YFRUhRgAKGjAA+TAEoqU24LJgERMVt7Jyw5MFclDyMiYM5Q3nCrEShHRFQYAEkwADdSXAATAB4AFQA+dIBRBxBCGAAyGABvGAB9XqJCVoBZVAgIYgBzVEoamABfDsNUEqJs4Vz8mABBCABVMFwAR3hUbYdiRyqRGB2YVAAPAjAKiBgAJVRiCvBkR3OnFViGBHHU6DcYAAhe5PVAvN6fb6-f4XK7A0EiBpcLoQqiFGC4MAwADWqEcIEwO1YlHgYGJYBAAHciY9nq9uhDblQAFIEomk8mUyHUmC81lw9n4gD8y1WbUokJ57HF8J2ePYMtp9KZRMoYBWRAh81UGmMrE5MBlxTKyEqVSo23VDAARLg3oRUPliAQKs7WHULZRHYVzcJ5utNgUZDEmcRNGhOBD-NBCITJknDKbDcJbv5NCAQGhgRmQJoAFaoYBQDNqZDIDO0iqoTCE1AVDMQRxaQvrKKwYj7Q4nM6o9LXHMwGQwtlvaMtRlxtDgifbacSt5pfyIn5gP4Ay5VGQNTq7A7HU77q7bBjbAPCOqeCHEIMiAKcBrEXs2WAgYmXdIDmew6Xp45iZAAzKwAT8DAAD0sEwL+lyRN+hggFA6B-o4AGDueI5OKBPDMOE0FwQhgytAAhCI8G3HR9EMYxTEMQAfrcLE0QhKRtG6aH9uMuCTGAi4FFAIBFKU5TVFQxGuu6npfD6foNP4jbNq27bCJxMAAMLbAAao02w1AAy