lix-website/themes/lix/assets/bootstrap/node_modules/es-abstract/2017/OrdinaryToPrimitive.js
2024-04-26 22:49:34 -06:00

37 lines
1,018 B
JavaScript

'use strict';
var $TypeError = require('es-errors/type');
var Call = require('./Call');
var Get = require('./Get');
var IsCallable = require('./IsCallable');
var Type = require('./Type');
var inspect = require('object-inspect');
// https://262.ecma-international.org/8.0/#sec-ordinarytoprimitive
module.exports = function OrdinaryToPrimitive(O, hint) {
if (Type(O) !== 'Object') {
throw new $TypeError('Assertion failed: Type(O) is not Object');
}
if (/* typeof hint !== 'string' || */ hint !== 'string' && hint !== 'number') {
throw new $TypeError('Assertion failed: `hint` must be "string" or "number"');
}
var methodNames = hint === 'string' ? ['toString', 'valueOf'] : ['valueOf', 'toString'];
for (var i = 0; i < methodNames.length; i += 1) {
var name = methodNames[i];
var method = Get(O, name);
if (IsCallable(method)) {
var result = Call(method, O);
if (Type(result) !== 'Object') {
return result;
}
}
}
throw new $TypeError('No primitive value for ' + inspect(O));
};