ralphschuler

class BetterMap<k, v> extends Map<k, v> {
  update(key:k, updater: (v:v, k:k) => v, notset:v = undefined) {
    if(this.has(key)) this.set(key, updater(this.get(key), key))
    else this.set(key, notset)
  }

  filter(predicate: (v:v, k:k) => boolean) {
    const newMap = new BetterMap<k, v>()
    const entries = Array.from(this.entries())
    for(const [key, value] of entries) {

ralphschuler

// Custom error classes
class ObjectAlreadyObservedError extends Error {
  constructor(identifier: Identifier) {
    super(`Object with identifier ${identifier} is already being observed.`);
    Object.setPrototypeOf(this, ObjectAlreadyObservedError.prototype);
  }
}

class ObjectNotObservedError extends Error {
  constructor(identifier: Identifier) {

ralphschuler

type Vector = number[];
type VectorPair = [Vector, Vector];

class MathOperations {
  static calculateDotProduct(vectorA: Vector, vectorB: Vector): number {
    return vectorA.reduce((accumulator, value, index) => accumulator + value * vectorB[index], 0);
  }

  static calculateNorm(vector: Vector): number {
    return Math.sqrt(this.calculateDotProduct(vector, vector));

ralphschuler

openapi:%203.1.0%0Ainfo%3A%0A%20%20title%3A%20Notion%20API%0A%20%20description%3A%20%22Hello%20and%20welcome!%5Cn%5CnTo%20make%20use%20of%20this%20API%20collection%20collection%20as%20it's%20written,%20please%20duplicate%20%5Bthis%20database%20template%5D(https%3A//www.notion.so/8e2c2b769e1d47d287b9ed3035d607ae?v=dc1b92875fb94f10834ba8d36549bd2a).%5Cn%5Cn%5CuFEFFUnder%20the%20%60Variables%60%20tab,%20add%20your%20environment%20variables%20to%20start%20making%20requests.%20You%20will%20need%20to%20%5Bcreate%20an%20integration%5D(https://www.notion.so/my-integrations)%20to%20retrieve%20an%20API%20token.%20You%20will%20also%20need%20additional%20values,%20such%20as%20a%20database%20ID%20and%20page%20ID,%20which%20can%20be%20found%20in%20your%20Notion%20workspace%20or%20from%20the%20database%20template%20mentioned%20above.%5Cn%5CnFor%20our%20full%20documentation,%20including%20sample%20integrations%20and%20guides,%20visit%20%5Bdevelopers.notion.com%5D(https://developers.notion.com/)%5CuFEFF.%5Cn%5CnPlease%20note: