@eeue56/ts-core
Version:
Core library for TypeScript inspired by Elm
116 lines • 12 kB
JavaScript
;
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;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const ava_1 = __importDefault(require("ava"));
const Maybe = __importStar(require("./maybe"));
const Result = __importStar(require("./result"));
const anRealErrorValue = 'Something went wrong';
const anErrorValue = Result.Err(anRealErrorValue);
const aRealValue = 'just something';
const aOkValue = Result.Ok(aRealValue);
const aSecondRealValue = 'just something else';
const aSecondOkValue = Result.Ok(aSecondRealValue);
const aThirdRealValue = 'another just something else';
const aThirdOkValue = Result.Ok(aThirdRealValue);
ava_1.default('withDefault', (t) => {
const defaultValue = 'a default';
t.deepEqual(Result.withDefault(defaultValue, anErrorValue), defaultValue);
t.deepEqual(Result.withDefault(defaultValue, aOkValue), aRealValue);
});
ava_1.default('either', (t) => {
t.deepEqual(Result.either(aOkValue), aRealValue);
t.deepEqual(Result.either(anErrorValue), anRealErrorValue);
});
ava_1.default('toMaybe', (t) => {
t.deepEqual(Result.toMaybe(anErrorValue), Maybe.Nothing());
t.deepEqual(Result.toMaybe(aOkValue), Maybe.Just(aRealValue));
});
ava_1.default('fromMaybe', (t) => {
t.deepEqual(Result.fromMaybe('default error', Maybe.Nothing()), Result.Err('default error'));
t.deepEqual(Result.fromMaybe('default error', Maybe.Just(aRealValue)), aOkValue);
});
ava_1.default('map', (t) => {
const innerValue = aRealValue.length;
const convertFunc = (str) => {
return str.length;
};
const inner = Result.Ok(innerValue);
// Err => Err
t.deepEqual(Result.map(convertFunc, anErrorValue), Result.Err(anRealErrorValue));
// Ok => Ok
t.deepEqual(Result.map(convertFunc, aOkValue), inner);
});
ava_1.default('map2', (t) => {
const convertFunc = (first, second) => {
return first.length + second.length;
};
const inner = Result.Ok(aRealValue.length + aSecondRealValue.length);
// Err => Ok => Err
t.deepEqual(Result.map2(convertFunc, anErrorValue, aOkValue), Result.Err(anRealErrorValue));
// Ok => Err => Err
t.deepEqual(Result.map2(convertFunc, aOkValue, anErrorValue), Result.Err(anRealErrorValue));
// Err => Err => Err
t.deepEqual(Result.map2(convertFunc, anErrorValue, anErrorValue), Result.Err(anRealErrorValue));
// Ok => Ok => Ok
t.deepEqual(Result.map2(convertFunc, aOkValue, aSecondOkValue), inner);
t.deepEqual(Result.map2(convertFunc, aSecondOkValue, aOkValue), inner);
});
ava_1.default('map3', (t) => {
const convertFunc = (first, second, third) => {
return first.length + second.length + third.length;
};
const inner = Result.Ok(aRealValue.length + aSecondRealValue.length + aThirdRealValue.length);
// Ok => Err => Err => Err
t.deepEqual(Result.map3(convertFunc, aOkValue, anErrorValue, anErrorValue), Result.Err(anRealErrorValue));
// Err => Ok => Err => Err
t.deepEqual(Result.map3(convertFunc, anErrorValue, aOkValue, anErrorValue), Result.Err(anRealErrorValue));
// Err => Err => Ok => Err
t.deepEqual(Result.map3(convertFunc, anErrorValue, anErrorValue, aOkValue), Result.Err(anRealErrorValue));
// Err => Err => Err => Err
t.deepEqual(Result.map3(convertFunc, anErrorValue, anErrorValue, anErrorValue), Result.Err(anRealErrorValue));
// Ok => Ok => Ok
t.deepEqual(Result.map3(convertFunc, aOkValue, aSecondOkValue, aThirdOkValue), inner);
t.deepEqual(Result.map3(convertFunc, aSecondOkValue, aThirdOkValue, aOkValue), inner);
});
ava_1.default('mapError', (t) => {
const innerValue = anRealErrorValue.length;
const convertFunc = (str) => {
return str.length;
};
const inner = Result.Err(innerValue);
// Err => Err
t.deepEqual(Result.mapError(convertFunc, anErrorValue), inner);
// Ok => Ok
t.deepEqual(Result.mapError(convertFunc, aOkValue), Result.Ok(aRealValue));
});
ava_1.default('andThen', (t) => {
const convertFunc = (value) => {
return Result.Ok(value.length);
};
// Err => Err
t.deepEqual(Result.andThen(convertFunc, anErrorValue), Result.Err(anRealErrorValue));
// Ok => Ok
t.deepEqual(Result.andThen(convertFunc, aOkValue), Result.Ok(aRealValue.length));
});
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