h-ts v1.0.91
Helpers for typescript
(documentation, wip)
export {AnyHelp} from "./AnyHelp";
helpers that work on any type e.g.
isNotNull
export {ArrayHelp} from "./ArrayHelp"
helpers for array, better typesafety for higher order function array helpers
export {ObjectHelp} from "./ObjectHelp"
helper for object
export {EQ, EQ_NS} from "./Equality"
export {KeySet} from "./KeySet"
export {MapHelp} from "./MapHelp"
export {WebHelp} from "./WebHelp"
export {Global} from "./Global"
export {ChunkedIterate} from "./ChunkedIterate"
export {Decorators} from "./Decorators"
export {TypeHelp} from "./TypeHelp"
export {StringHelp} from "./StringHelp"
export {FunctionHelp} from "./FunctionHelp"
export {ProxyHelp} from "./ProxyHelp"
export {Ided, Idify} from "./Ided"
a way to DRYly write an object whose properties use the key they are assigned to in their own initialization
type Color<T extends string> = {name: T}
const colors = {
...Ided.byName({name: "red"}),
...Ided.byName({name: "green"}),
}
//Colors will have the type:
{red: {name: "red"}, {green: {name: "green"}}
export {Heap} from "./Heap"
a simple heap implementation
export {YoconHelp} from "./yocon/YoconHelp"
a work in progress port of the
export {StringEnum, Enum} from "./Enum"
better versions of enums
export * from "./TopLevelExports"
export function createRecord
function createRecord<T extends object>(obj: T,): T extends object ? Record<keyof T, TypeHelp.ValueType<T>> : never {
return obj as any
}
export const unreachable = LangHelp.unreachable
export const isNotNull = AnyHelp.isNotNull
export const augment = AnyHelp.augment
export const createKeySet = KeySet.create
export const createPrefixedKeySet = KeySet.createPrefixed
export const iife = (f : () => T) : T => f()
//iife = immediately invoked function expression, useful to avoid having to add extra parens
iife(() => x + 1) // invokes immediately
(() => x + 1)()//Lines starting with a `(` are Problematic without explicit semicolons
//Consider
const y = 1
const x = y
(() => x + 1)()
//This will be interpreted as
const y = 1
const x = y(() => x + 1)()
export const ensure = TypeHelp.ensure
export const ensureValue = TypeHelp.ensureValue
export const literal = TypeHelp.literal
export const infer = TypeHelp.infer
export const cast = TypeHelp.cast
export const cast_any = TypeHelp.cast_any
export const tuple = TypeHelp.tuple
export const memo = Decorators.memo
export const cache = Decorators.cache
export * from "./TopLevelTypes"
export type Id = TypeHelp.Id
export type PropsOf = TypeHelp.PropsOf
export type UnionToIntersection = TypeHelp.UnionToIntersection
export type UnionFromArray<T extends any[]> = TypeHelp.UnionFromArray
export type IntersectionFromArray<T extends any[]> = TypeHelp.IntersectionFromArray
export type StringMap = TypeHelp.StringMap
export type Readyonly = TypeHelp.Readyonly
export type Diff<T extends keyof any, U extends keyof any> = TypeHelp.Diff<T, U>
export type Omit<T, K extends keyof T> = TypeHelp.Omit<T, K>
export type Replace<T, K extends keyof T, V> = TypeHelp.Replace<T, K, V>
export type DeepPartial = TypeHelp.DeepPartial
export type KeyType = keyof T
export type ValueType = Tkeyof T
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