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 | 5x 5x 5x 5x 5x 6x 6x 6x 1x 5x 6x 5x 1x 4x 1x 3x 1x 2x 6x 5x 5x 2x 5x 5x 5x 2x | import {ERRORS} from '@grnsft/if-core/utils';
import {RandIntGeneratorParams, ConfigParams} from '@grnsft/if-core/types';
import {STRINGS} from '../../../config';
import {Generator} from '../interfaces';
const {GlobalConfigError} = ERRORS;
const {MISSING_GLOBAL_CONFIG, MISSING_MIN_MAX, INVALID_MIN_MAX, INVALID_NAME} =
STRINGS;
export const RandIntGenerator = (
name: string,
config: ConfigParams
): Generator => {
const next = () => ({
[validatedName]: generateRandInt(getFieldToPopulate()),
});
const validateName = (name: string | null): string => {
if (!name || name.trim() === '') {
throw new GlobalConfigError(INVALID_NAME);
}
return name;
};
const validateConfig = (config: ConfigParams): {min: number; max: number} => {
if (!config || Object.keys(config).length === 0) {
throw new GlobalConfigError(MISSING_GLOBAL_CONFIG);
}
if (!config.min || !config.max) {
throw new GlobalConfigError(MISSING_MIN_MAX);
}
if (config.min >= config.max) {
throw new GlobalConfigError(INVALID_MIN_MAX(validatedName));
}
return {min: config.min, max: config.max};
};
const validatedName = validateName(name);
const validatedConfig = validateConfig(config);
const getFieldToPopulate = () => ({
name: validatedName,
min: validatedConfig.min,
max: validatedConfig.max,
});
const generateRandInt = (
randIntGenerator: RandIntGeneratorParams
): number => {
const randomNumber = Math.random();
const scaledNumber =
randomNumber * (randIntGenerator.max - randIntGenerator.min) +
randIntGenerator.min;
return Math.trunc(scaledNumber);
};
return {
next,
};
};
|