smart-types-ts
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A collection of _Smart Types_ and _Smart Constructors_ which enable you to be more strict when defining your application's important types/interfaces.
35 lines (34 loc) • 1.69 kB
JavaScript
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.mkWithLength = void 0;
const function_1 = require("fp-ts/lib/function");
const e = __importStar(require("fp-ts/lib/Either"));
const mkWithLength = (min, max) => {
if (min < 0 || max < 0) {
throw new Error(`Invalid min/max specified. min/max must not be less than zero but got min: ${min}, max: ${max}`);
}
if (min >= max || !Number.isInteger(min) || !Number.isInteger(max)) {
throw new Error(`Invalid min/max specified. min/max must be integers where min is less than max but got min: ${min}, max: ${max}`);
}
return (value) => function_1.pipe(value, e.fromPredicate(val => val.length >= min && val.length <= max, () => `Length not between ${min}-${max}`), e.map(x => x));
};
exports.mkWithLength = mkWithLength;