Spaces:
Sleeping
Sleeping
File size: 2,336 Bytes
51ddcbf |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 |
'use strict';
var $defineProperty = require('es-define-property');
var $SyntaxError = require('es-errors/syntax');
var $TypeError = require('es-errors/type');
var gopd = require('gopd');
/** @type {import('.')} */
module.exports = function defineDataProperty(
obj,
property,
value
) {
if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
throw new $TypeError('`obj` must be an object or a function`');
}
if (typeof property !== 'string' && typeof property !== 'symbol') {
throw new $TypeError('`property` must be a string or a symbol`');
}
if (arguments.length > 3 && typeof arguments[3] !== 'boolean' && arguments[3] !== null) {
throw new $TypeError('`nonEnumerable`, if provided, must be a boolean or null');
}
if (arguments.length > 4 && typeof arguments[4] !== 'boolean' && arguments[4] !== null) {
throw new $TypeError('`nonWritable`, if provided, must be a boolean or null');
}
if (arguments.length > 5 && typeof arguments[5] !== 'boolean' && arguments[5] !== null) {
throw new $TypeError('`nonConfigurable`, if provided, must be a boolean or null');
}
if (arguments.length > 6 && typeof arguments[6] !== 'boolean') {
throw new $TypeError('`loose`, if provided, must be a boolean');
}
var nonEnumerable = arguments.length > 3 ? arguments[3] : null;
var nonWritable = arguments.length > 4 ? arguments[4] : null;
var nonConfigurable = arguments.length > 5 ? arguments[5] : null;
var loose = arguments.length > 6 ? arguments[6] : false;
/* @type {false | TypedPropertyDescriptor<unknown>} */
var desc = !!gopd && gopd(obj, property);
if ($defineProperty) {
$defineProperty(obj, property, {
configurable: nonConfigurable === null && desc ? desc.configurable : !nonConfigurable,
enumerable: nonEnumerable === null && desc ? desc.enumerable : !nonEnumerable,
value: value,
writable: nonWritable === null && desc ? desc.writable : !nonWritable
});
} else if (loose || (!nonEnumerable && !nonWritable && !nonConfigurable)) {
// must fall back to [[Set]], and was not explicitly asked to make non-enumerable, non-writable, or non-configurable
obj[property] = value; // eslint-disable-line no-param-reassign
} else {
throw new $SyntaxError('This environment does not support defining a property as non-configurable, non-writable, or non-enumerable.');
}
};
|