# All files / NCalc Numbers.ts

77.38% Statements 65/84
55.55% Branches 20/36
88.88% Functions 8/9
77.38% Lines 65/84

Press n or j to go to the next uncovered block, b, p or k for the previous block.

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    74
    75
    76
    77
    78
    79
    80
    81
    82
    83
    84
    85
    86
    87
    88
    89
    90
    91
    92
    93
    94
    95
    96
    97
    98
    99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    109
    110
    111
    112
    113
    114
    115
    116
    117
    118
    119
    120
    121
    122
    123
    124
    125
    126
    127
    128
    129
    130
    131
    132
    133
    134
    135
    136
    137
    138
    139
    140
    141
    142
    143
    144
    145
    146
    147
    148
    149
    150
    151
    152
    153
    154
    155
    156
    157
    158
    159
    160
    161
    162
    163
    164
    165
    166
    167
    168
    169
    170
    171
    172
    173
    174
    175
    176
    177
    178
    179
    180
    181
    182
    183
    184
    185

    1x
    1x
    1x
    1x
    1x
    1x
    1x
    1x
    1x
    1x
    1x
    1x
    1x

    96x
    1x

    95x

    19x
    19x

    19x

    19x
    19x

    19x
    1x

    18x

    7x
    7x

    7x

    7x
    7x

    7x

    7x

    15x
    15x

    15x

    15x
    15x

    15x

    15x

    5x
    5x

    5x

    5x
    5x

    5x

    5x

    1x
    1x

    1x

    1x

    1x

    1x

    1x
    1x

    1x

    1x

    1x
    1x

    1x

    1x

    1x

    1x

    1x
    1x

    1x

    1x

     export class InvalidOperationException extends Error {}

    // @todo remove me
    export enum TypeCode {
      Boolean = 'boolean',
      Byte = 'number',
      SByte = 'number',
      Int16 = 'number',
      UInt16 = 'number',
      Int32 = 'number',
      UInt32 = 'number',
      Int64 = 'bigint',
      UInt64 = 'bigint',
      Single = 'number',
      Double = 'number',
      Decimal = 'number',
    }

    export class Numbers {
      private static ConvertIfString(s: any): any {
        if (typeof s === 'string' || s instanceof String) {
          return parseFloat(s as string);
        }

        return s;
      }

      public static Add(a: any, b: any): any {
        const aValue = Numbers.ConvertIfString(a);
        const bValue = Numbers.ConvertIfString(b);

        const allowedTypes = ['number', 'bigint'];

        // Heree we have to consider the JS magic to be a bit different.
        const typeCodeA = typeof aValue;
        const typeCodeB = typeof bValue;

        if (allowedTypes.indexOf(typeCodeA) == -1 || allowedTypes.indexOf(typeCodeB) == -1) {
          throw new InvalidOperationException(
            `Operator '+' cannot be applied to operands of type ${typeCodeA} and ${typeCodeB}.`
          );
        }

        return aValue + bValue;
      }

      public static Subtract(a: any, b: any): any {
        const aValue = Numbers.ConvertIfString(a);
        const bValue = Numbers.ConvertIfString(b);

        const allowedTypes = ['number', 'bigint'];

        // Heree we have to consider the JS magic to be a bit different.
        const typeCodeA = typeof a;
        const typeCodeB = typeof b;

        Iif (allowedTypes.indexOf(typeCodeA) == -1 || allowedTypes.indexOf(typeCodeB) == -1) {
          throw new InvalidOperationException(
            `Operator '-' cannot be applied to operands of type ${typeCodeA} and ${typeCodeB}.`
          );
        }

        return aValue - bValue;
      }

      public static Multiply(a: any, b: any): any {
        const aValue = Numbers.ConvertIfString(a);
        const bValue = Numbers.ConvertIfString(b);

        const allowedTypes = ['number', 'bigint'];

        // Heree we have to consider the JS magic to be a bit different.
        const typeCodeA = typeof a;
        const typeCodeB = typeof b;

        Iif (allowedTypes.indexOf(typeCodeA) == -1 || allowedTypes.indexOf(typeCodeB) == -1) {
          throw new InvalidOperationException(
            `Operator '*' cannot be applied to operands of type ${typeCodeA} and ${typeCodeB}.`
          );
        }

        return aValue * bValue;
      }

      public static Divide(a: any, b: any): any {
        const aValue = Numbers.ConvertIfString(a);
        const bValue = Numbers.ConvertIfString(b);

        const allowedTypes = ['number', 'bigint'];

        // Heree we have to consider the JS magic to be a bit different.
        const typeCodeA = typeof a;
        const typeCodeB = typeof b;

        Iif (allowedTypes.indexOf(typeCodeA) == -1 || allowedTypes.indexOf(typeCodeB) == -1) {
          throw new InvalidOperationException(
            `Operator '/' cannot be applied to operands of type ${typeCodeA} and ${typeCodeB}.`
          );
        }

        return aValue / bValue;
      }

      public static Modulo(a: any, b: any): any {
        const aValue = Numbers.ConvertIfString(a);
        const bValue = Numbers.ConvertIfString(b);

        const allowedTypes = ['number', 'bigint'];

        // Heree we have to consider the JS magic to be a bit different.
        const typeCodeA = typeof a;
        const typeCodeB = typeof b;

        Iif (allowedTypes.indexOf(typeCodeA) == -1 || allowedTypes.indexOf(typeCodeB) == -1) {
          throw new InvalidOperationException(
            `Operator '/' cannot be applied to operands of type ${typeCodeA} and ${typeCodeB}.`
          );
        }

        return aValue % bValue;
      }

      public static Max(a: any, b: any): any {
        const aValue = Numbers.ConvertIfString(a);
        const bValue = Numbers.ConvertIfString(b);

        Iif (aValue == null && b == null) {
          return null;
        }

        Iif (aValue == null) {
          return bValue;
        }

        Iif (bValue == null) {
          return aValue;
        }

        const allowedTypes = ['number', 'bigint'];

        // Heree we have to consider the JS magic to be a bit different.
        const typeCodeA = typeof a;
        const typeCodeB = typeof b;

        Iif (allowedTypes.indexOf(typeCodeA) == -1 || allowedTypes.indexOf(typeCodeB) == -1) {
          throw new InvalidOperationException(
            `Operator 'MAX' cannot be applied to operands of type ${typeCodeA} and ${typeCodeB}.`
          );
        }

        return Math.max(aValue, bValue);
      }

      public static Min(a: any, b: any): any {
        const aValue = Numbers.ConvertIfString(a);
        const bValue = Numbers.ConvertIfString(b);

        Iif (aValue == null && b == null) {
          return null;
        }

        Iif (aValue == null) {
          return bValue;
        }

        Iif (bValue == null) {
          return aValue;
        }

        const allowedTypes = ['number', 'bigint'];

        // Heree we have to consider the JS magic to be a bit different.
        const typeCodeA = typeof a;
        const typeCodeB = typeof b;

        Iif (allowedTypes.indexOf(typeCodeA) == -1 || allowedTypes.indexOf(typeCodeB) == -1) {
          throw new InvalidOperationException(
            `Operator 'MIN' cannot be applied to operands of type ${typeCodeA} and ${typeCodeB}.`
          );
        }

        return Math.min(aValue, bValue);
      }
    }