typia/lib/internal/_randomPattern.mjs.map

Superfast runtime validators with only one line

{"version":3,"file":"_randomPattern.mjs","names":[],"sources":["../../src/internal/_randomPattern.ts"],"sourcesContent":["import RandExp from \"randexp\";\n\nimport { _ILengthProps } from \"./_randomStringLength\";\n\nexport const _randomPattern = (\n  regex: RegExp,\n  props?: _ILengthProps,\n): string => {\n  const r: RandExp = new RandExp(regex);\n  const min: number | undefined = props?.minLength;\n  const max: number | undefined = props?.maxLength;\n\n  // RandExp expands an unbounded quantifier to `randInt(token.min, token.min +\n  // r.max)`, so steering `r.max` biases the generated length toward the window.\n  // There is no matching floor control, so the length is still verified below.\n  if (max !== undefined) r.max = max;\n  else if (min !== undefined && min * 2 > r.max) r.max = min * 2;\n\n  const bounded: boolean = min !== undefined || max !== undefined;\n  const limit: number = bounded ? 1024 : 10;\n  for (let i: number = 0; i < limit; ++i) {\n    const str: string = r.gen();\n    if (\n      regex.test(str) &&\n      (min === undefined || str.length >= min) &&\n      (max === undefined || str.length <= max)\n    )\n      return str;\n  }\n  throw new Error(\n    bounded\n      ? \"unable to generate a random string matching the pattern within the length range.\"\n      : \"unable to generate a random string matching the pattern.\",\n  );\n};\n"],"mappings":";;AAIA,MAAa,kBACX,OACA,UACW;CACX,MAAM,IAAa,IAAI,QAAQ,KAAK;CACpC,MAAM,MAA0B,OAAO;CACvC,MAAM,MAA0B,OAAO;CAKvC,IAAI,QAAQ,KAAA,GAAW,EAAE,MAAM;MAC1B,IAAI,QAAQ,KAAA,KAAa,MAAM,IAAI,EAAE,KAAK,EAAE,MAAM,MAAM;CAE7D,MAAM,UAAmB,QAAQ,KAAA,KAAa,QAAQ,KAAA;CACtD,MAAM,QAAgB,UAAU,OAAO;CACvC,KAAK,IAAI,IAAY,GAAG,IAAI,OAAO,EAAE,GAAG;EACtC,MAAM,MAAc,EAAE,IAAI;EAC1B,IACE,MAAM,KAAK,GAAG,MACb,QAAQ,KAAA,KAAa,IAAI,UAAU,SACnC,QAAQ,KAAA,KAAa,IAAI,UAAU,MAEpC,OAAO;CACX;CACA,MAAM,IAAI,MACR,UACI,qFACA,0DACN;AACF"}