typedash/dist/constantCase-BbzF3WeM.cjs.map

modern, type-safe collection of utility functions

{"version":3,"file":"constantCase-BbzF3WeM.cjs","names":[],"sources":["../src/functions/constantCase/constantCase.ts"],"sourcesContent":["/**\n * Changes the casing of a string to constant case.\n * @param string The input string to change the casing of.\n * @returns A new string with the casing changed to constant case.\n * @example\n * ```ts\n * constantCase('fooBar') // 'FOO_BAR'\n * constantCase('foo bar') // 'FOO_BAR'\n * constantCase('foo-bar') // 'FOO_BAR'\n * constantCase('fooBar42') // 'FOO_BAR42'\n * ```\n */\nexport function constantCase<S extends string>(string: S): ConstantCase<S> {\n  if (!/[a-z]+/i.test(string)) {\n    return '' as ConstantCase<S>;\n  }\n\n  return string\n    .replace(/([a-z])([A-Z])/g, '$1_$2')\n    .replace(/[\\s-]+/g, '_')\n    .toUpperCase() as ConstantCase<S>;\n}\n\n/**\n * Changes the casing of a string to constant case.\n * @see {@link constantCase}.\n */\nexport type ConstantCase<S extends string> = Uppercase<\n  S extends `${infer S1}${infer S2}`\n    ? `${S1 extends '-'\n        ? '_'\n        : S1 extends ' '\n          ? '_'\n          : S1 extends '_'\n            ? '_'\n            : S1 extends Capitalize<S1>\n              ? `_${Lowercase<S1>}`\n              : S1}${ConstantCase<S2>}`\n    : S\n>;\n"],"mappings":";;;;;;;;;;;;;;AAYA,SAAgB,aAA+B,QAA4B;AACzE,KAAI,CAAC,UAAU,KAAK,OAAO,CACzB,QAAO;AAGT,QAAO,OACJ,QAAQ,mBAAmB,QAAQ,CACnC,QAAQ,WAAW,IAAI,CACvB,aAAa"}