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F.getWithDefault Coercion type problem #84
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give type parameter to O.getWithDefault. O.getWithDefault<number>(0). |
@JUSTIVE Yes, I'm familiar with this solution, but I'd like to know if there's a way to improve this function to have this default behavior. |
@mattaiod you're issue above is because
As you see, the function would explicitly type Note, there are a lot of instances where you need to do this when using getWithDefault. For example, the following would be a type error because the default is
|
Maybe the |
Hello everyone, first : thanks for this incredible library, look like the best in functionnal programmin in Ts
In the basic example
I have an typescript error at the last line:
The only way I have to fix that is to explicit precise the type like:
O.getWithDefault(0 as number)(res) // → 30
The version not curried works:
O.getWithDefault(res, 0)
I guess it's not normal so what is the reason and the solution?
Here my .eslintrc :
{
"extends": "@antfu",
"plugins": [
"functional"
],
"rules": {
"@typescript-eslint/quotes": 0,
"no-console": "off",
"array-callback-return": "error",
"no-constructor-return": "error",
"no-duplicate-imports": "off",
"no-new-native-nonconstructor": "error",
"no-self-compare": "error",
"no-template-curly-in-string": "error",
"no-unused-private-class-members": "error",
"class-methods-use-this": "error",
"consistent-return": "error",
"default-case": "error",
"dot-notation": "error",
"eqeqeq": "error",
"init-declarations": "error",
"no-eq-null": "error",
"no-extend-native": "error",
"no-implicit-coercion": "error",
"@typescript-eslint/no-unused-vars": "off",
"no-implicit-globals": "error",
"no-new": "error",
"no-new-func": "error",
"no-new-object": "error",
"no-var": "error",
"prefer-object-spread": "error",
"require-await": "error",
"yoda": "error",
"explicit-function-return-type": "off"
}
}
tsconfig.json:
{
"compilerOptions": {
"noUnusedLocals": true,
"noUnusedParameters": true,
"baseUrl": ".",
"module": "ESNext",
"target": "ESNext",
"lib": [
"DOM",
"ESNext",
"WebWorker"
],
"strict": true,
"esModuleInterop": true,
"jsx": "preserve",
"skipLibCheck": true,
"moduleResolution": "node",
"resolveJsonModule": true,
"incremental": false,
"noImplicitOverride": true,
"noImplicitAny": true,
"noImplicitThis": true,
"strictFunctionTypes": true,
"alwaysStrict": true,
"strictBindCallApply": true,
"strictPropertyInitialization": true,
"useUnknownInCatchVariables": true,
"allowUnusedLabels": false,
"allowUnreachableCode": false,
"noUncheckedIndexedAccess": true,
"noPropertyAccessFromIndexSignature": true,
"noFallthroughCasesInSwitch": true,
"exactOptionalPropertyTypes": true,
"noImplicitReturns": true,
"strictNullChecks": true,
"allowJs": false,
"forceConsistentCasingInFileNames": true,
"types": [
"vitest",
"vite/client",
"vue/ref-macros",
"vite-plugin-pages/client",
"vite-plugin-vue-layouts/client",
],
"paths": {
"~/": [
"src/"
]
}
},
"exclude": [
"dist",
"node_modules",
"cypress",
"auto-imports.d.ts"
]
}
Thank you in advance for your attention
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