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import type { IFlagOptions } from "./types.ts";import { distance } from "../_utils/distance.ts";
/** Convert param case string to camel case. */export function paramCaseToCamelCase(str: string): string {  return str.replace(    /-([a-z])/g,    (g) => g[1].toUpperCase(),  );}
/** * Find option by flag, name or alias. * * @param flags Source option's array. * @param name  Name of the option. */export function getOption<O extends IFlagOptions>(  flags: Array<O>,  name: string,): O | undefined {  while (name[0] === "-") {    name = name.slice(1);  }
  for (const flag of flags) {    if (isOption(flag, name)) {      return flag;    }  }
  return;}
export function didYouMeanOption(  option: string,  options: Array<IFlagOptions>,): string {  const optionNames = options    .map((option) => [option.name, ...(option.aliases ?? [])])    .flat()    .map((option) => getFlag(option));  return didYouMean(" Did you mean option", getFlag(option), optionNames);}
export function didYouMeanType(type: string, types: Array<string>): string {  return didYouMean(" Did you mean type", type, types);}
export function didYouMean(  message: string,  type: string,  types: Array<string>,): string {  const match: string | undefined = closest(type, types);  return match ? `${message} "${match}"?` : "";}
export function getFlag(name: string) {  if (name.startsWith("-")) {    return name;  }  if (name.length > 1) {    return `--${name}`;  }  return `-${name}`;}
/** * Check if option has name or alias. * * @param option    The option to check. * @param name      The option name or alias. */function isOption(option: IFlagOptions, name: string) {  return option.name === name ||    (option.aliases && option.aliases.indexOf(name) !== -1);}
function closest(str: string, arr: string[]): string | undefined {  let minDistance = Infinity;  let minIndex = 0;  for (let i = 0; i < arr.length; i++) {    const dist = distance(str, arr[i]);    if (dist < minDistance) {      minDistance = dist;      minIndex = i;    }  }  return arr[minIndex];}
export function getDefaultValue(option: IFlagOptions): unknown {  return typeof option.default === "function"    ? option.default()    : option.default;}