FunctionSelect: Select a function that passes a condition. A functional alternative to switch-case.
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'use strict';
const Select = require('../Select');
/* global describe it expect */
describe("Select", () => {
it("Should return array" +
"[ 'Is 10', 'Greater than 10', 'Lesser than 10', null ]",
() => {
const a = [ 10, 20, 0, 'UnexpectedString' ];
const result = new Select(a)
.if(x => x > 10, () => 'Greater than 10')
.if(x => x < 10, () => 'Lesser than 10')
.if(x => x === 10, () => `Is 10`);
console.log(result.resolve());
expect(result.resolve()).toEqual([
'Is 10',
'Greater than 10',
'Lesser than 10',
null
]);
});
});