diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/datatype.ts | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/src/datatype.ts b/src/datatype.ts index 7e4a3cc1..29a4950b 100644 --- a/src/datatype.ts +++ b/src/datatype.ts @@ -1,4 +1,5 @@ import type { Faker } from '.'; +import { FakerError } from './errors/faker-error'; import { deprecated } from './internal/deprecated'; /** @@ -24,7 +25,7 @@ export class Datatype { * @param options.max Upper bound for generated number. Defaults to `min + 99999`. * @param options.precision Precision of the generated number. Defaults to `1`. * - * @throws When options define `max < min` + * @throws When options define `max < min`. * * @example * faker.datatype.number() // 55422 @@ -35,25 +36,25 @@ export class Datatype { * faker.datatype.number({ min: 10, max: 100, precision: 0.01 }) // 36.94 */ number( - options?: number | { min?: number; max?: number; precision?: number } + options: number | { min?: number; max?: number; precision?: number } = 99999 ): number { - const opts = typeof options === 'number' ? { max: options } : options ?? {}; + if (typeof options === 'number') { + options = { max: options }; + } - const min = typeof opts.min === 'number' ? opts.min : 0; - let max = typeof opts.max === 'number' ? opts.max : min + 99999; - const precision = typeof opts.precision === 'number' ? opts.precision : 1; + const { min = 0, precision = 1 } = options; + const max = options.max ?? min + 99999; - if (max < min) { - throw new Error(`Max ${max} should be larger then min ${min}`); + if (max === min) { + return min; } - // Make the range inclusive of the max value - if (max >= 0) { - max += precision; + if (max < min) { + throw new FakerError(`Max ${max} should be larger then min ${min}.`); } const randomNumber = Math.floor( - this.faker.mersenne.rand(max / precision, min / precision) + this.faker.mersenne.rand(max / precision + 1, min / precision) ); // Workaround problem in float point arithmetics for e.g. 6681493 / 0.01 |