test-numbers-generator/src/mobileNumberGenerators.ts

Generate and validate European test phone numbers (mobile and landline) in safe, non-existent ranges.

// src/mobileNumberGenerators.ts
// Generator functions for Dutch and European test phone numbers

export type PhoneNumberType = 'mobile' | 'landline';

export type SupportedCountry =
  | 'Netherlands'
  | 'Germany'
  | 'Belgium'
  | 'France'
  | 'UnitedKingdom'
  | 'Spain'
  | 'Italy'
  | 'Austria'
  | 'Switzerland'
  | 'Sweden'
  | 'Norway'
  | 'Denmark'
  | 'Finland'
  | 'Portugal'
  | 'Ireland'
  | 'Turkey'
  | 'Morocco';

export const generateTestMobileNumber: Record<SupportedCountry, () => string> = {
  Netherlands: () => {
    // 0031 6 99xxxxxx (internationaal format met 00, 9 cijfers na 6)
    const random = Math.floor(100000000 + Math.random() * 900000000);
    return `0031 6 ${random.toString().substring(0, 8)}`;
  },
  Germany: () => {
    // 0049 015 99xxxxxx (10-11 cijfers na landcode)
    const prefixes = ['015', '016', '017'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(1000000 + Math.random() * 9000000);
    return `0049 ${prefix} ${random.toString().substring(0, 7)}`;
  },
  Belgium: () => {
    // 0032 47 99xxxxx (47 + 7 cijfers = 9 cijfers totaal, zonder nationale 0)
    const prefixes = ['047', '048', '049'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(10000000 + Math.random() * 90000000);
    return `0032 ${prefix.substring(1)} ${random.toString().substring(0, 7)}`;
  },
  France: () => {
    // 0033 6/7 99xxxxxx (internationaal 0033 6/7 + 8 cijfers)
    const prefixes = ['6', '7'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(10000000 + Math.random() * 90000000);
    return `0033 ${prefix} ${random.toString().substring(0, 8)}`;
  },
  UnitedKingdom: () => {
    // 0044 7 99xxxxxxx (internationaal 0044 7 + 9 cijfers)
    const random = Math.floor(100000000 + Math.random() * 900000000);
    return `0044 7 ${random.toString().substring(0, 9)}`;
  },
  Spain: () => {
    // 0034 6/7xxxxxxxx (9 cijfers totaal)
    const prefixes = ['6', '7'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(100000000 + Math.random() * 900000000);
    return `0034 ${prefix}${random.toString().substring(0, 8)}`;
  },
  Italy: () => {
    // 0039 3xx xxxxxxx (3xx prefix, 10 cijfers totaal)
    const prefix = Math.floor(320 + Math.random() * 80); // 320-399
    const random = Math.floor(10000000 + Math.random() * 90000000);
    return `0039 ${prefix} ${random.toString().substring(0, 7)}`;
  },
  Austria: () => {
    // 0043 664/676/699 xxxxxxx (664/676/699 prefix, 10-13 cijfers totaal, zonder nationale 0)
    const prefixes = ['664', '676', '699'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(10000000 + Math.random() * 90000000);
    return `0043 ${prefix} ${random.toString().substring(0, 7)}`;
  },
  Switzerland: () => {
    // 0041 75/76/77/78/79 xxxxxx (075/076/077/078/079 prefix, zonder nationale 0)
    const prefixes = ['75', '76', '77', '78', '79'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(1000000 + Math.random() * 9000000);
    return `0041 ${prefix} ${random.toString().substring(0, 6)}`;
  },
  Sweden: () => {
    // 0046 7 99xxxxxx (internationaal 0046 7 + 8 cijfers)
    const random = Math.floor(10000000 + Math.random() * 90000000);
    return `0046 7 ${random.toString().substring(0, 8)}`;
  },
  Norway: () => {
    // 0047 4x/9x xxxxxx (altijd 8 cijfers)
    const prefixes = ['4', '9'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(1000000 + Math.random() * 9000000);
    return `0047 ${prefix}${random.toString().substring(0, 7)}`;
  },
  Denmark: () => {
    // 0045 2x/3x xxxxxx (mobiel beperkt tot 20-31, altijd 8 cijfers)
    const prefixes = ['20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(100000 + Math.random() * 900000);
    return `0045 ${prefix}${random.toString().substring(0, 6)}`;
  },
  Finland: () => {
    // 00358 40-50/457/59 xxxxxx (04x/050/0457/059 prefix, 9-10 cijfers totaal, zonder nationale 0)
    const prefixes = ['40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '50', '457', '59'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(1000000 + Math.random() * 9000000);
    return `00358 ${prefix} ${random.toString().substring(0, 6)}`;
  },
  Portugal: () => {
    // 00351 91/92/93/96 xxxxxxx (9x prefix, 9 cijfers totaal)
    const prefixes = ['91', '92', '93', '96'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(10000000 + Math.random() * 90000000);
    return `00351 ${prefix} ${random.toString().substring(0, 7)}`;
  },
  Ireland: () => {
    // 00353 83/85/86/87/89 xxxxxx (083/085/086/087/089 prefix, zonder nationale 0)
    const prefixes = ['83', '85', '86', '87', '89'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(1000000 + Math.random() * 9000000);
    return `00353 ${prefix} ${random.toString().substring(0, 6)}`;
  },
  Turkey: () => {
    // 0090 5xx xxxxxxx (05xx prefix wordt 5xx zonder nationale 0, 10 cijfers totaal)
    const prefixes = ['531', '532', '533', '534', '535', '536', '537', '538', '539'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(1000000 + Math.random() * 9000000);
    return `0090 ${prefix} ${random.toString().substring(0, 6)}`;
  },
  Morocco: () => {
    // 00212 6/7 xxxxxxxx (6/7 prefix, 9 cijfers totaal, zonder nationale 0)
    const prefixes = ['6', '7'];
    const prefix = prefixes[Math.floor(Math.random() * prefixes.length)];
    const random = Math.floor(10000000 + Math.random() * 90000000);
    return `00212 ${prefix} ${random.toString().substring(0, 8)}`;
  },
};

export const testNumbersGenerator = {
  generateTestMobileNumber,
  // Add all other generators for convenience
  // Import and add these if you want a single entry point for all
  // generateTestLandlineNumber,
  // generateTestBSN,
  // generateTestDutchIBAN,
  // generateTestDutchPostcode,
  // generateTestKvKNumber,
};