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/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
var assign = require('object-assign');
var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret');
var checkPropTypes = require('./checkPropTypes');
var printWarning = function() {};
if (process.env.NODE_ENV !== 'production') {
printWarning = function(text) {
var message = 'Warning: ' + text;
if (typeof console !== 'undefined') {
console.error(message);
}
try {
// --- Welcome to debugging React ---
// This error was thrown as a convenience so that you can use this stack
// to find the callsite that caused this warning to fire.
throw new Error(message);
} catch (x) {}
};
}
function emptyFunctionThatReturnsNull() {
return null;
}
module.exports = function(isValidElement, throwOnDirectAccess) {
/* global Symbol */
var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.
/**
* Returns the iterator method function contained on the iterable object.
*
* Be sure to invoke the function with the iterable as context:
*
* var iteratorFn = getIteratorFn(myIterable);
* if (iteratorFn) {
* var iterator = iteratorFn.call(myIterable);
* ...
* }
*
* @param {?object} maybeIterable
* @return {?function}
*/
function getIteratorFn(maybeIterable) {
var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]);
if (typeof iteratorFn === 'function') {
return iteratorFn;
}
}
/**
* Collection of methods that allow declaration and validation of props that are
* supplied to React components. Example usage:
*
* var Props = require('ReactPropTypes');
* var MyArticle = React.createClass({
* propTypes: {
* // An optional string prop named "description".
* description: Props.string,
*
* // A required enum prop named "category".
* category: Props.oneOf(['News','Photos']).isRequired,
*
* // A prop named "dialog" that requires an instance of Dialog.
* dialog: Props.instanceOf(Dialog).isRequired
* },
* render: function() { ... }
* });
*
* A more formal specification of how these methods are used:
*
* type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...)
* decl := ReactPropTypes.{type}(.isRequired)?
*
* Each and every declaration produces a function with the same signature. This
* allows the creation of custom validation functions. For example:
*
* var MyLink = React.createClass({
* propTypes: {
* // An optional string or URI prop named "href".
* href: function(props, propName, componentName) {
* var propValue = props[propName];
* if (propValue != null && typeof propValue !== 'string' &&
* !(propValue instanceof URI)) {
* return new Error(
* 'Expected a string or an URI for ' + propName + ' in ' +
* componentName
* );
* }
* }
* },
* render: function() {...}
* });
*
* @internal
*/
var ANONYMOUS = '<<anonymous>>';
// Important!
// Keep this list in sync with production version in `./factoryWithThrowingShims.js`.
var ReactPropTypes = {
array: createPrimitiveTypeChecker('array'),
bool: createPrimitiveTypeChecker('boolean'),
func: createPrimitiveTypeChecker('function'),
number: createPrimitiveTypeChecker('number'),
object: createPrimitiveTypeChecker('object'),
string: createPrimitiveTypeChecker('string'),
symbol: createPrimitiveTypeChecker('symbol'),
any: createAnyTypeChecker(),
arrayOf: createArrayOfTypeChecker,
element: createElementTypeChecker(),
instanceOf: createInstanceTypeChecker,
node: createNodeChecker(),
objectOf: createObjectOfTypeChecker,
oneOf: createEnumTypeChecker,
oneOfType: createUnionTypeChecker,
shape: createShapeTypeChecker,
exact: createStrictShapeTypeChecker,
};
/**
* inlined Object.is polyfill to avoid requiring consumers ship their own
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
*/
/*eslint-disable no-self-compare*/
function is(x, y) {
// SameValue algorithm
if (x === y) {
// Steps 1-5, 7-10
// Steps 6.b-6.e: +0 != -0
return x !== 0 || 1 / x === 1 / y;
} else {
// Step 6.a: NaN == NaN
return x !== x && y !== y;
}
}
/*eslint-enable no-self-compare*/
/**
* We use an Error-like object for backward compatibility as people may call
* PropTypes directly and inspect their output. However, we don't use real
* Errors anymore. We don't inspect their stack anyway, and creating them
* is prohibitively expensive if they are created too often, such as what
* happens in oneOfType() for any type before the one that matched.
*/
function PropTypeError(message) {
this.message = message;
this.stack = '';
}
// Make `instanceof Error` still work for returned errors.
PropTypeError.prototype = Error.prototype;
function createChainableTypeChecker(validate) {
if (process.env.NODE_ENV !== 'production') {
var manualPropTypeCallCache = {};
var manualPropTypeWarningCount = 0;
}
function checkType(isRequired, props, propName, componentName, location, propFullName, secret) {
componentName = componentName || ANONYMOUS;
propFullName = propFullName || propName;
if (secret !== ReactPropTypesSecret) {
if (throwOnDirectAccess) {
// New behavior only for users of `prop-types` package
var err = new Error(
'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +
'Use `PropTypes.checkPropTypes()` to call them. ' +
'Read more at http://fb.me/use-check-prop-types'
);
err.name = 'Invariant Violation';
throw err;
} else if (process.env.NODE_ENV !== 'production' && typeof console !== 'undefined') {
// Old behavior for people using React.PropTypes
var cacheKey = componentName + ':' + propName;
if (
!manualPropTypeCallCache[cacheKey] &&
// Avoid spamming the console because they are often not actionable except for lib authors
manualPropTypeWarningCount < 3
) {
printWarning(
'You are manually calling a React.PropTypes validation ' +
'function for the `' + propFullName + '` prop on `' + componentName + '`. This is deprecated ' +
'and will throw in the standalone `prop-types` package. ' +
'You may be seeing this warning due to a third-party PropTypes ' +
'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.'
);
manualPropTypeCallCache[cacheKey] = true;
manualPropTypeWarningCount++;
}
}
}
if (props[propName] == null) {
if (isRequired) {
if (props[propName] === null) {
return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.'));
}
return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.'));
}
return null;
} else {
return validate(props, propName, componentName, location, propFullName);
}
}
var chainedCheckType = checkType.bind(null, false);
chainedCheckType.isRequired = checkType.bind(null, true);
return chainedCheckType;
}
function createPrimitiveTypeChecker(expectedType) {
function validate(props, propName, componentName, location, propFullName, secret) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== expectedType) {
// `propValue` being instance of, say, date/regexp, pass the 'object'
// check, but we can offer a more precise error message here rather than
// 'of type `object`'.
var preciseType = getPreciseType(propValue);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createAnyTypeChecker() {
return createChainableTypeChecker(emptyFunctionThatReturnsNull);
}
function createArrayOfTypeChecker(typeChecker) {
function validate(props, propName, componentName, location, propFullName) {
if (typeof typeChecker !== 'function') {
return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.');
}
var propValue = props[propName];
if (!Array.isArray(propValue)) {
var propType = getPropType(propValue);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.'));
}
for (var i = 0; i < propValue.length; i++) {
var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret);
if (error instanceof Error) {
return error;
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function createElementTypeChecker() {
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
if (!isValidElement(propValue)) {
var propType = getPropType(propValue);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createInstanceTypeChecker(expectedClass) {
function validate(props, propName, componentName, location, propFullName) {
if (!(props[propName] instanceof expectedClass)) {
var expectedClassName = expectedClass.name || ANONYMOUS;
var actualClassName = getClassName(props[propName]);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createEnumTypeChecker(expectedValues) {
if (!Array.isArray(expectedValues)) {
process.env.NODE_ENV !== 'production' ? printWarning('Invalid argument supplied to oneOf, expected an instance of array.') : void 0;
return emptyFunctionThatReturnsNull;
}
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
for (var i = 0; i < expectedValues.length; i++) {
if (is(propValue, expectedValues[i])) {
return null;
}
}
var valuesString = JSON.stringify(expectedValues);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + propValue + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.'));
}
return createChainableTypeChecker(validate);
}
function createObjectOfTypeChecker(typeChecker) {
function validate(props, propName, componentName, location, propFullName) {
if (typeof typeChecker !== 'function') {
return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.');
}
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.'));
}
for (var key in propValue) {
if (propValue.hasOwnProperty(key)) {
var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);
if (error instanceof Error) {
return error;
}
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function createUnionTypeChecker(arrayOfTypeCheckers) {
if (!Array.isArray(arrayOfTypeCheckers)) {
process.env.NODE_ENV !== 'production' ? printWarning('Invalid argument supplied to oneOfType, expected an instance of array.') : void 0;
return emptyFunctionThatReturnsNull;
}
for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
var checker = arrayOfTypeCheckers[i];
if (typeof checker !== 'function') {
printWarning(
'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' +
'received ' + getPostfixForTypeWarning(checker) + ' at index ' + i + '.'
);
return emptyFunctionThatReturnsNull;
}
}
function validate(props, propName, componentName, location, propFullName) {
for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
var checker = arrayOfTypeCheckers[i];
if (checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret) == null) {
return null;
}
}
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`.'));
}
return createChainableTypeChecker(validate);
}
function createNodeChecker() {
function validate(props, propName, componentName, location, propFullName) {
if (!isNode(props[propName])) {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createShapeTypeChecker(shapeTypes) {
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
}
for (var key in shapeTypes) {
var checker = shapeTypes[key];
if (!checker) {
continue;
}
var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);
if (error) {
return error;
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function createStrictShapeTypeChecker(shapeTypes) {
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
}
// We need to check all keys in case some are required but missing from
// props.
var allKeys = assign({}, props[propName], shapeTypes);
for (var key in allKeys) {
var checker = shapeTypes[key];
if (!checker) {
return new PropTypeError(
'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' +
'\nBad object: ' + JSON.stringify(props[propName], null, ' ') +
'\nValid keys: ' + JSON.stringify(Object.keys(shapeTypes), null, ' ')
);
}
var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);
if (error) {
return error;
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function isNode(propValue) {
switch (typeof propValue) {
case 'number':
case 'string':
case 'undefined':
return true;
case 'boolean':
return !propValue;
case 'object':
if (Array.isArray(propValue)) {
return propValue.every(isNode);
}
if (propValue === null || isValidElement(propValue)) {
return true;
}
var iteratorFn = getIteratorFn(propValue);
if (iteratorFn) {
var iterator = iteratorFn.call(propValue);
var step;
if (iteratorFn !== propValue.entries) {
while (!(step = iterator.next()).done) {
if (!isNode(step.value)) {
return false;
}
}
} else {
// Iterator will provide entry [k,v] tuples rather than values.
while (!(step = iterator.next()).done) {
var entry = step.value;
if (entry) {
if (!isNode(entry[1])) {
return false;
}
}
}
}
} else {
return false;
}
return true;
default:
return false;
}
}
function isSymbol(propType, propValue) {
// Native Symbol.
if (propType === 'symbol') {
return true;
}
// 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'
if (propValue['@@toStringTag'] === 'Symbol') {
return true;
}
// Fallback for non-spec compliant Symbols which are polyfilled.
if (typeof Symbol === 'function' && propValue instanceof Symbol) {
return true;
}
return false;
}
// Equivalent of `typeof` but with special handling for array and regexp.
function getPropType(propValue) {
var propType = typeof propValue;
if (Array.isArray(propValue)) {
return 'array';
}
if (propValue instanceof RegExp) {
// Old webkits (at least until Android 4.0) return 'function' rather than
// 'object' for typeof a RegExp. We'll normalize this here so that /bla/
// passes PropTypes.object.
return 'object';
}
if (isSymbol(propType, propValue)) {
return 'symbol';
}
return propType;
}
// This handles more types than `getPropType`. Only used for error messages.
// See `createPrimitiveTypeChecker`.
function getPreciseType(propValue) {
if (typeof propValue === 'undefined' || propValue === null) {
return '' + propValue;
}
var propType = getPropType(propValue);
if (propType === 'object') {
if (propValue instanceof Date) {
return 'date';
} else if (propValue instanceof RegExp) {
return 'regexp';
}
}
return propType;
}
// Returns a string that is postfixed to a warning about an invalid type.
// For example, "undefined" or "of type array"
function getPostfixForTypeWarning(value) {
var type = getPreciseType(value);
switch (type) {
case 'array':
case 'object':
return 'an ' + type;
case 'boolean':
case 'date':
case 'regexp':
return 'a ' + type;
default:
return type;
}
}
// Returns class name of the object, if any.
function getClassName(propValue) {
if (!propValue.constructor || !propValue.constructor.name) {
return ANONYMOUS;
}
return propValue.constructor.name;
}
ReactPropTypes.checkPropTypes = checkPropTypes;
ReactPropTypes.PropTypes = ReactPropTypes;
return ReactPropTypes;
};
|