File: typeInferenceLiteralUnion.js

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//// [typeInferenceLiteralUnion.ts]
// Repro from #10901
/**
 * Administrivia: JavaScript primitive types and Date
 */
export type Primitive = number | string | boolean | Date;

/**
 * Administrivia: anything with a valueOf(): number method is comparable, so we allow it in numeric operations
 */
interface Numeric {
    valueOf(): number;
}

// Not very useful, but meets Numeric
class NumCoercible {
    public a: number;

    constructor(a: number) {
        this.a = a;
    }
    public valueOf() {
        return this.a;
    }
}

/**
 * Return the min and max simultaneously.
 */
export function extent<T extends Numeric>(array: Array<T | Primitive>): [T | Primitive, T | Primitive] | [undefined, undefined] {
    return [undefined, undefined];
}


let extentMixed: [Primitive | NumCoercible, Primitive | NumCoercible] | [undefined, undefined];
extentMixed = extent([new NumCoercible(10), 13, '12', true]);


//// [typeInferenceLiteralUnion.js]
"use strict";
exports.__esModule = true;
exports.extent = void 0;
// Not very useful, but meets Numeric
var NumCoercible = /** @class */ (function () {
    function NumCoercible(a) {
        this.a = a;
    }
    NumCoercible.prototype.valueOf = function () {
        return this.a;
    };
    return NumCoercible;
}());
/**
 * Return the min and max simultaneously.
 */
function extent(array) {
    return [undefined, undefined];
}
exports.extent = extent;
var extentMixed;
extentMixed = extent([new NumCoercible(10), 13, '12', true]);