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added toNegativeInt

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This commit is contained in:
jacoobes
2022-01-27 11:09:59 -06:00
parent fa27c15231
commit 16e24f5eeb
1 changed files with 24 additions and 7 deletions
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31
src/handler/utils/preprocessors/args.ts
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@@ -9,8 +9,8 @@ export namespace Utils {
export type ArgType<T> = Result<T, possibleOutput>
/**
*
* @param {string} arg
* @param {possibleOutput} onFailure
* @param {string} arg - command arguments
* @param {possibleOutput} onFailure - if `Number.parseInt` returns NaN
* @returns {ArgType<number>} Attempts to use `Number.parseInt()` on `arg`
*/
export function parseInt(arg: string, onFailure: possibleOutput): ArgType<number> {
@@ -19,9 +19,9 @@ export namespace Utils {
}
/**
*
* @param {string} arg
* @param {possibleOutput} onFailure
* @param { {yesRegex: RegExp, noRegex: RegExp} } regexes
* @param {string} arg - command arguments
* @param {possibleOutput} onFailure - If cannot parse `arg` into boolean.
* @param { {yesRegex: RegExp, noRegex: RegExp} } regexes - default regexes: yes : `/(yes|y|👍)/gi`, no : /(no|n|👎)/gi
* @returns { ArgType<boolean> } attemps to parse `args` as a boolean
*/
export function parseBool(
@@ -36,18 +36,35 @@ export namespace Utils {
}
/**
*
* @param {string} arg
* @param {string} arg - command arguments
* @param {string} sep
* @returns
* @returns {Ok<string[]>}
*/
export function toArr(arg: string, sep: string) : ArgType<string[]> {
return Ok(arg.split(sep));
}
/**
*
* @param {string} arg - command arguments
* @param {possibleOutput} onFailure - delegates `Utils.parseInt`
* @returns {ArgType<number>}
*/
export function toPositiveInt(arg: string, onFailure: possibleOutput) : ArgType<number> {
return Utils.parseInt(arg, onFailure).andThen( num => Ok(num > 0 ? num : Math.abs(num)))
}
/**
*
* @param {string} arg - command arguments
* @param {possibleOutput} onFailure - delegates `Utils.parseInt`
* @returns {ArgType<number>}
*/
export function toNegativeInt(arg: string, onFailure: possibleOutput) : ArgType<number> {
return Utils.parseInt(arg, onFailure).andThen( num => Ok(num > 0 ? -num : num))
}
}