values.js
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'use strict';
var assign = require('../../helpers/assign');
var hasSymbols = require('has-symbols')();
var coercibleObject = { valueOf: function () { return 3; }, toString: function () { return 42; } };
var coercibleFnObject = {
valueOf: function () { return function valueOfFn() {}; },
toString: function () { return 42; }
};
var valueOfOnlyObject = { valueOf: function () { return 4; }, toString: function () { return {}; } };
var toStringOnlyObject = { valueOf: function () { return {}; }, toString: function () { return 7; } };
var uncoercibleObject = { valueOf: function () { return {}; }, toString: function () { return {}; } };
var uncoercibleFnObject = {
valueOf: function () { return function valueOfFn() {}; },
toString: function () { return function toStrFn() {}; }
};
var objects = [{}, coercibleObject, coercibleFnObject, toStringOnlyObject, valueOfOnlyObject];
var nullPrimitives = [undefined, null];
var nonIntegerNumbers = [-1.3, 0.2, 1.8, 1 / 3];
var zeroes = [0, -0];
var infinities = [Infinity, -Infinity];
var numbers = zeroes.concat([42], infinities, nonIntegerNumbers);
var strings = ['', 'foo', 'a\uD83D\uDCA9c'];
var booleans = [true, false];
var symbols = hasSymbols ? [Symbol.iterator, Symbol('foo')] : [];
var nonSymbolPrimitives = [].concat(nullPrimitives, booleans, strings, numbers);
var nonNumberPrimitives = [].concat(nullPrimitives, booleans, strings, symbols);
var nonNullPrimitives = [].concat(booleans, strings, numbers, symbols);
var nonUndefinedPrimitives = [].concat(null, nonNullPrimitives);
var nonStrings = [].concat(nullPrimitives, booleans, numbers, symbols, objects);
var primitives = [].concat(nullPrimitives, nonNullPrimitives);
var nonPropertyKeys = [].concat(nullPrimitives, booleans, numbers, objects);
var propertyKeys = [].concat(strings, symbols);
var nonBooleans = [].concat(nullPrimitives, strings, symbols, numbers, objects);
var falsies = [].concat(nullPrimitives, false, '', 0, -0, NaN);
var truthies = [].concat(true, 'foo', 42, symbols, objects);
var timestamps = [].concat(0, 946713600000, 1546329600000);
var nonFunctions = [].concat(primitives, objects, [42]);
var nonArrays = [].concat(nonFunctions);
var descriptors = {
configurable: function (descriptor) {
return assign(assign({}, descriptor), { '[[Configurable]]': true });
},
nonConfigurable: function (descriptor) {
return assign(assign({}, descriptor), { '[[Configurable]]': false });
},
enumerable: function (descriptor) {
return assign(assign({}, descriptor), { '[[Enumerable]]': true });
},
nonEnumerable: function (descriptor) {
return assign(assign({}, descriptor), { '[[Enumerable]]': false });
},
writable: function (descriptor) {
return assign(assign({}, descriptor), { '[[Writable]]': true });
},
nonWritable: function (descriptor) {
return assign(assign({}, descriptor), { '[[Writable]]': false });
}
};
module.exports = {
coercibleObject: coercibleObject,
coercibleFnObject: coercibleFnObject,
valueOfOnlyObject: valueOfOnlyObject,
toStringOnlyObject: toStringOnlyObject,
uncoercibleObject: uncoercibleObject,
uncoercibleFnObject: uncoercibleFnObject,
objects: objects,
nonFunctions: nonFunctions,
nonArrays: nonArrays,
nullPrimitives: nullPrimitives,
numbers: numbers,
zeroes: zeroes,
infinities: infinities,
strings: strings,
booleans: booleans,
symbols: symbols,
hasSymbols: hasSymbols,
nonSymbolPrimitives: nonSymbolPrimitives,
nonNumberPrimitives: nonNumberPrimitives,
nonNullPrimitives: nonNullPrimitives,
nonUndefinedPrimitives: nonUndefinedPrimitives,
nonStrings: nonStrings,
nonNumbers: nonNumberPrimitives.concat(objects),
nonIntegerNumbers: nonIntegerNumbers,
primitives: primitives,
nonPropertyKeys: nonPropertyKeys,
propertyKeys: propertyKeys,
nonBooleans: nonBooleans,
falsies: falsies,
truthies: truthies,
timestamps: timestamps,
bothDescriptor: function () {
return { '[[Get]]': function () {}, '[[Value]]': true };
},
bothDescriptorWritable: function () {
return descriptors.writable({ '[[Get]]': function () {} });
},
accessorDescriptor: function (value) {
return descriptors.enumerable(descriptors.configurable({
'[[Get]]': function get() { return value; }
}));
},
mutatorDescriptor: function () {
return descriptors.enumerable(descriptors.configurable({
'[[Set]]': function () {}
}));
},
dataDescriptor: function (value) {
return descriptors.nonWritable({
'[[Value]]': arguments.length > 0 ? value : 42
});
},
genericDescriptor: function () {
return descriptors.configurable(descriptors.nonEnumerable());
},
descriptors: descriptors
};