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Set up typescript-rtti (WIP)

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This commit is contained in:
Jos de Jong 2023-01-25 14:42:23 +01:00
parent cc1e66c054
commit 35a8c62ff2
9 changed files with 273 additions and 14 deletions
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3
.gitignore vendored
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@ -2,7 +2,8 @@
*~
# Typescript
# emitted code
obj
build/*
!build/package.json
# ---> Node
# Logs

4
README.md
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@ -5,6 +5,6 @@ A final (?) prototype for a refactor of mathjs, culminating the picomath, pocoma
To build and run the prototype, run:
```
npx tsc
node obj
pnpm install
pnpm build-and-run
```

3
build/package.json Normal file
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@ -0,0 +1,3 @@
{
"type": "module"
}

11
package.json5
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@ -4,6 +4,7 @@
description: 'A hopeful final typescipt-pragmatic mathjs proof-of-concept',
main: 'index.ts',
scripts: {
'build-and-run': 'ttsc -b && node build',
test: 'echo "Error: no test specified" && exit 1',
},
keywords: [
@ -17,7 +18,15 @@
type: 'git',
url: 'https://code.studioinfinity.org/glen/typocomath.git',
},
dependencies: {
'reflect-metadata': '0.1.13',
'typescript-rtti': '0.8.2',
},
devDependencies: {
typescript: '^4.9.3',
'@types/node': '18.11.18',
'ts-node': '10.9.1',
ttypescript: '1.5.15',
typescript: '4.8.4',
'typescript-rtti': '0.8.2',
},
}

194
pnpm-lock.yaml
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@ -1,15 +1,199 @@
lockfileVersion: 5.4
specifiers:
typescript: ^4.9.3
'@types/node': 18.11.18
reflect-metadata: 0.1.13
ts-node: 10.9.1
ttypescript: 1.5.15
typescript: 4.8.4
typescript-rtti: 0.8.2
dependencies:
reflect-metadata: 0.1.13
typescript-rtti: 0.8.2_tjkpoysld524rvy7hjviaz6rje
devDependencies:
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7
src/core/Dispatcher.ts
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@ -1,3 +1,6 @@
import "reflect-metadata"
import { reflect, type CallSite } from 'typescript-rtti'
/* A Dispatcher is a collection of operations that do run-time
* dispatch on the types of their arguments. Thus, every individual
* method is like a typed-function (from the library by that name),
@ -46,6 +49,10 @@ export class Dispatcher {
// that's really possible, though.
) {
console.log('Pretending to install', name, signature, '=>', returns)
// @ts-ignore
console.log(name, 'signature', reflect(signature))
console.log(name, 'dependencies', reflect(dependencies))
//TODO: implement me
}
installType(name: TypeName, typespec: TypeSpecification) {

52
src/index.ts
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@ -1,11 +1,57 @@
import {Dispatcher} from './core/Dispatcher.js'
import * as Specifications from './all.js'
export default new Dispatcher(Specifications)
import {Complex} from './Complex/type.js'
import {absquare as absquare_complex} from './Complex/arithmetic.js'
import 'reflect-metadata'
import { ReflectedFunctionParameter, ReflectedObjectRef, reflect } from 'typescript-rtti'
import { square } from './generic/arithmetic.js'
// verify that typescript-rtti works (just as experiment)
const add = (a: number, b: number): number => a + b
console.log('reflect add')
console.log('parameterNames', reflect(add).parameterNames)
console.log('parameterTypes', reflect(add).parameterTypes.map(type => type.toString()))
console.log('returnType', reflect(add).returnType.toString())
console.log()
// output:
// reflect function add
// parameterNames [ 'a', 'b' ]
// parameterTypes [ 'class Number', 'class Number' ]
// returnType class Number
// try out a very simple case (just as experiment)
function createSquare(deps: {
multiply: (a: number, b: number) => number,
subtract: (a: number, b: number) => number
}) {
return (a: number) => deps.multiply(a, a)
}
console.log('reflect createSquare')
console.log('parameter names', reflect(createSquare).parameters.map(parameter => parameter.name))
console.log('parameter[0]', (reflect(createSquare).parameters[0] as ReflectedFunctionParameter))
// @ts-ignore
console.log('parameterTypes[0]', (reflect(createSquare).parameterTypes[0] as ReflectedObjectRef)._ref.m)
console.log('parameterTypes[0][0]',
// @ts-ignore
(reflect(createSquare).parameterTypes[0] as ReflectedObjectRef)._ref.m[0].n,
// @ts-ignore
(reflect(createSquare).parameterTypes[0] as ReflectedObjectRef)._ref.m[0]
)
// @ts-ignore
console.log('parameters[0]', reflect(createSquare).parameters[0])
// FIXME: where to find the information of the types of the dependencies multiply and subtract?
// FIXME: get all types out of Specifications
// console.log('Specifications', reflect(Specifications)) // Throws errors
// TODO: import all specificiations (turned off for debugging purposes)
// export default new Dispatcher(Specifications)
const mockRealAdd = (a: number, b: number) => a+b
const mockComplexAbsquare = (z: Complex<number>) => z.re*z.re + z.im*z.im

2
src/numbers/arithmetic.ts
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@ -10,7 +10,7 @@ export const absquare: Signature<'absquare', number> = a => a * a
export const reciprocal: Signature<'reciprocal', number> = a => 1 / a
export const divide: Signature<'divide', number> = (a, b) => a / b
const basicSqrt = a => isNaN(a) ? NaN : Math.sqrt(a)
const basicSqrt = (a: number) => isNaN(a) ? NaN : Math.sqrt(a)
export const conservativeSqrt: Signature<'conservativeSqrt', number> = basicSqrt
export const sqrt =

11
tsconfig.json
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@ -2,6 +2,15 @@
"compilerOptions": {
"target": "ES2022",
"rootDir": "./src",
"outDir": "./obj"
"outDir": "./build",
"esModuleInterop": true,
"allowJs": false,
"noImplicitAny": false,
"moduleResolution": "Node",
"plugins": [
{
"transform": "typescript-rtti/dist/transformer"
}
]
}
}