cmd-ts
Version:
> 💻 A type-driven command line argument parser, with awesome error reporting 🤤
51 lines • 1.99 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (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.union = void 0;
const type_1 = require("./type");
const Result = __importStar(require("./Result"));
/**
* Take one of the types. Merge the metadata from left to right.
* If nothing matches, prints all the errors.
*/
function union(ts, { combineErrors = errors => errors.join('\n'), } = {}) {
const merged = Object.assign({}, ...ts.map(x => (0, type_1.typeDef)(x)));
return {
...merged,
async from(input) {
const errors = [];
for (const t of ts) {
const decoded = await Result.safeAsync((0, type_1.fromFn)(t)(input));
if (Result.isOk(decoded)) {
return decoded.value;
}
errors.push(decoded.error.message);
}
throw new Error(combineErrors(errors));
},
};
}
exports.union = union;
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