100 lines
4.1 KiB
TypeScript
100 lines
4.1 KiB
TypeScript
import 'reflect-metadata'
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import {Dispatcher} from './core/Dispatcher.js'
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import * as specifications from './all.js'
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import {Complex} from './Complex/type.js'
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import {absquare as absquare_complex} from './Complex/arithmetic.js'
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import { CallSite, ReflectedObjectRef, reflect } from 'typescript-rtti'
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import { square } from './generic/arithmetic.js'
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// verify that typescript-rtti works (just as experiment)
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const add = (a: number, b: number): number => a + b
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console.log('reflect add')
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console.log('parameterNames', reflect(add).parameterNames)
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console.log('parameterTypes', reflect(add).parameterTypes.map(type => type.toString()))
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console.log('returnType', reflect(add).returnType.toString())
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console.log()
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// output:
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// reflect function add
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// parameterNames [ 'a', 'b' ]
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// parameterTypes [ 'class Number', 'class Number' ]
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// returnType class Number
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// try out a very simple case (just as experiment)
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function createSquare(deps: {
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multiply: (a: number, b: number) => number,
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subtract: (a: number, b: number) => number
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}) {
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return (a: number) => deps.multiply(a, a)
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}
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console.log('reflect createSquare')
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console.log('parameter names', reflect(createSquare).parameters.map(parameter => parameter.name))
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// console.log('parameter[0]', (reflect(createSquare).parameters[0] as ReflectedFunctionParameter))
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// @ts-ignore
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console.log('parameterTypes[0]', (reflect(createSquare).parameterTypes[0] as ReflectedObjectRef)._ref.m)
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console.log('parameterTypes[0].ref.m[0]',
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// @ts-ignore
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(reflect(createSquare).parameterTypes[0] as ReflectedObjectRef)._ref.m[0].n,
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// @ts-ignore
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(reflect(createSquare).parameterTypes[0] as ReflectedObjectRef)._ref.m[0]
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)
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console.log('parameterTypes[0].ref.m[0].t.m',
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// @ts-ignore
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(reflect(createSquare).parameterTypes[0] as ReflectedObjectRef)._ref.m[0].t.m
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)
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// @ts-ignore
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// console.log('parameters[0]', reflect(createSquare).parameters[0])
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// FIXME: where to find the information of the types of the dependencies multiply and subtract?
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// Test whether we loose the type information when casting to a generic interface
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// Conclusion: we keep the information, that is good.
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console.log()
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console.log('reflect createFunction')
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type MathjsDependencies = Record<string, Function>
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type MathjsCreateFunction = (deps: MathjsDependencies) => Function
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const createFunction: MathjsCreateFunction = createSquare as MathjsCreateFunction
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console.log('parameter names', reflect(createFunction).parameters.map(parameter => parameter.name))
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// @ts-ignore
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console.log('parameterTypes[0]', (reflect(createFunction).parameterTypes[0] as ReflectedObjectRef)._ref.m)
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// TODO: more specific definition of Specifications
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type Specifications = Record<string, Record<string, unknown>>
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console.log()
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console.log('CallSite')
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function reflectSpecifications<T>(specifications: Specifications, callSite? : CallSite) {
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console.log('specifications', reflect(callSite).parameters[0])
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// @ts-ignore
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console.log('specifications', reflect(callSite).parameters[0]._ref) // shows 'numbers', 'Complex, 'complex', 'generic'
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// @ts-ignore
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console.log('specifications', reflect(callSite).parameters[0]._ref.m
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.find(item => item.n === 'generic').t.m) // shows 'square', 'unequal'
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// @ts-ignore
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console.log('specifications', reflect(callSite).parameters[0]._ref.m
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.find(item => item.n === 'generic').t.m
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.find(item => item.n === 'square').t.p) // [ { n: 'dep', t: [Function: t], b: undefined, v: null } ]
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// @ts-ignore
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// FIXME: now, we should be able to get the signature of the multiply dependency of the function square, but how?
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}
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reflectSpecifications<Specifications>(specifications);
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// TODO: import all specifications (turned off for debugging purposes)
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// export default new Dispatcher(Specifications)
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const mockRealAdd = (a: number, b: number) => a+b
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const mockComplexAbsquare = (z: Complex<number>) => z.re*z.re + z.im*z.im
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const quatAbsquare = absquare_complex({
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add: mockRealAdd,
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absquare: mockComplexAbsquare
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})
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const myabs = quatAbsquare({re: {re: 0, im: 1}, im: {re:2, im: 3}})
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const typeTest: typeof myabs = 7 // check myabs is just a number
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console.log()
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console.log('Result is', myabs)
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