Using Functional Predicates for String Length Check in TypeScript

In the code below, instead of using the arrow function

x => x.length > 4

x => x.length > 4

, can we replace it with something like

Predicate.greaterThan(4)

Predicate.greaterThan(4)

or a function that first gets the length of the string and then checks if it's greater than 4 using

Number.isGreaterThan(4)

Number.isGreaterThan(4)

export const removeShortIds = (input: string) => {
  return Effect.succeed(input).pipe(
    Effect.filterOrFail((x) => x.length > 4),
    Effect.orElseSucceed(() => "")
  );
};

export const removeShortIds = (input: string) => {
  return Effect.succeed(input).pipe(
    Effect.filterOrFail((x) => x.length > 4),
    Effect.orElseSucceed(() => "")
  );
};

I'm wondering if we can use a more functional or composable approach for this check.

Effect Community•2y ago

Sadra

Using Functional Predicates for String Length Check in TypeScript

In the code below, instead of using the arrow function

x => x.length > 4

x => x.length > 4

, can we replace it with something like

Predicate.greaterThan(4)

Predicate.greaterThan(4)

or a function that first gets the length of the string and then checks if it's greater than 4 using

Number.isGreaterThan(4)

Number.isGreaterThan(4)

export const removeShortIds = (input: string) => {
  return Effect.succeed(input).pipe(
    Effect.filterOrFail((x) => x.length > 4),
    Effect.orElseSucceed(() => "")
  );
};

export const removeShortIds = (input: string) => {
  return Effect.succeed(input).pipe(
    Effect.filterOrFail((x) => x.length > 4),
    Effect.orElseSucceed(() => "")
  );
};

I'm wondering if we can use a more functional or composable approach for this check.

Using Functional Predicates for String Length Check in TypeScript

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