@k.sh/react-visibility-sensor
Version:
Sensor component for React that notifies you when it goes in or out of the window viewport.
1,245 lines (1,085 loc) • 41.7 kB
JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
var React = _interopDefault(require('react'));
var ReactDOM = _interopDefault(require('react-dom'));
function _typeof(obj) {
if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
_typeof = function (obj) {
return typeof obj;
};
} else {
_typeof = function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
}
return _typeof(obj);
}
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
return Constructor;
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function _inherits(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function");
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
writable: true,
configurable: true
}
});
if (superClass) _setPrototypeOf(subClass, superClass);
}
function _getPrototypeOf(o) {
_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
return o.__proto__ || Object.getPrototypeOf(o);
};
return _getPrototypeOf(o);
}
function _setPrototypeOf(o, p) {
_setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
o.__proto__ = p;
return o;
};
return _setPrototypeOf(o, p);
}
function _assertThisInitialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
function _possibleConstructorReturn(self, call) {
if (call && (typeof call === "object" || typeof call === "function")) {
return call;
}
return _assertThisInitialized(self);
}
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
/*
object-assign
(c) Sindre Sorhus
@license MIT
*/
/* eslint-disable no-unused-vars */
var getOwnPropertySymbols = Object.getOwnPropertySymbols;
var hasOwnProperty = Object.prototype.hasOwnProperty;
var propIsEnumerable = Object.prototype.propertyIsEnumerable;
function toObject(val) {
if (val === null || val === undefined) {
throw new TypeError('Object.assign cannot be called with null or undefined');
}
return Object(val);
}
function shouldUseNative() {
try {
if (!Object.assign) {
return false;
}
// Detect buggy property enumeration order in older V8 versions.
// https://bugs.chromium.org/p/v8/issues/detail?id=4118
var test1 = new String('abc'); // eslint-disable-line no-new-wrappers
test1[5] = 'de';
if (Object.getOwnPropertyNames(test1)[0] === '5') {
return false;
}
// https://bugs.chromium.org/p/v8/issues/detail?id=3056
var test2 = {};
for (var i = 0; i < 10; i++) {
test2['_' + String.fromCharCode(i)] = i;
}
var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
return test2[n];
});
if (order2.join('') !== '0123456789') {
return false;
}
// https://bugs.chromium.org/p/v8/issues/detail?id=3056
var test3 = {};
'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
test3[letter] = letter;
});
if (Object.keys(Object.assign({}, test3)).join('') !==
'abcdefghijklmnopqrst') {
return false;
}
return true;
} catch (err) {
// We don't expect any of the above to throw, but better to be safe.
return false;
}
}
var objectAssign = shouldUseNative() ? Object.assign : function (target, source) {
var from;
var to = toObject(target);
var symbols;
for (var s = 1; s < arguments.length; s++) {
from = Object(arguments[s]);
for (var key in from) {
if (hasOwnProperty.call(from, key)) {
to[key] = from[key];
}
}
if (getOwnPropertySymbols) {
symbols = getOwnPropertySymbols(from);
for (var i = 0; i < symbols.length; i++) {
if (propIsEnumerable.call(from, symbols[i])) {
to[symbols[i]] = from[symbols[i]];
}
}
}
}
return to;
};
/**
* 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.
*/
var ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';
var ReactPropTypesSecret_1 = ReactPropTypesSecret;
var printWarning = function() {};
if (process.env.NODE_ENV !== 'production') {
var ReactPropTypesSecret$1 = ReactPropTypesSecret_1;
var loggedTypeFailures = {};
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) {}
};
}
/**
* Assert that the values match with the type specs.
* Error messages are memorized and will only be shown once.
*
* @param {object} typeSpecs Map of name to a ReactPropType
* @param {object} values Runtime values that need to be type-checked
* @param {string} location e.g. "prop", "context", "child context"
* @param {string} componentName Name of the component for error messages.
* @param {?Function} getStack Returns the component stack.
* @private
*/
function checkPropTypes(typeSpecs, values, location, componentName, getStack) {
if (process.env.NODE_ENV !== 'production') {
for (var typeSpecName in typeSpecs) {
if (typeSpecs.hasOwnProperty(typeSpecName)) {
var error;
// Prop type validation may throw. In case they do, we don't want to
// fail the render phase where it didn't fail before. So we log it.
// After these have been cleaned up, we'll let them throw.
try {
// This is intentionally an invariant that gets caught. It's the same
// behavior as without this statement except with a better message.
if (typeof typeSpecs[typeSpecName] !== 'function') {
var err = Error(
(componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' +
'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.'
);
err.name = 'Invariant Violation';
throw err;
}
error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret$1);
} catch (ex) {
error = ex;
}
if (error && !(error instanceof Error)) {
printWarning(
(componentName || 'React class') + ': type specification of ' +
location + ' `' + typeSpecName + '` is invalid; the type checker ' +
'function must return `null` or an `Error` but returned a ' + typeof error + '. ' +
'You may have forgotten to pass an argument to the type checker ' +
'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' +
'shape all require an argument).'
);
}
if (error instanceof Error && !(error.message in loggedTypeFailures)) {
// Only monitor this failure once because there tends to be a lot of the
// same error.
loggedTypeFailures[error.message] = true;
var stack = getStack ? getStack() : '';
printWarning(
'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '')
);
}
}
}
}
}
var checkPropTypes_1 = checkPropTypes;
var printWarning$1 = function() {};
if (process.env.NODE_ENV !== 'production') {
printWarning$1 = 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;
}
var factoryWithTypeCheckers = 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_1) {
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$1(
'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_1);
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$1('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_1);
if (error instanceof Error) {
return error;
}
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function createUnionTypeChecker(arrayOfTypeCheckers) {
if (!Array.isArray(arrayOfTypeCheckers)) {
process.env.NODE_ENV !== 'production' ? printWarning$1('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$1(
'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_1) == 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_1);
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 = objectAssign({}, 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_1);
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_1;
ReactPropTypes.PropTypes = ReactPropTypes;
return ReactPropTypes;
};
function emptyFunction() {}
var factoryWithThrowingShims = function() {
function shim(props, propName, componentName, location, propFullName, secret) {
if (secret === ReactPropTypesSecret_1) {
// It is still safe when called from React.
return;
}
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;
} shim.isRequired = shim;
function getShim() {
return shim;
} // Important!
// Keep this list in sync with production version in `./factoryWithTypeCheckers.js`.
var ReactPropTypes = {
array: shim,
bool: shim,
func: shim,
number: shim,
object: shim,
string: shim,
symbol: shim,
any: shim,
arrayOf: getShim,
element: shim,
instanceOf: getShim,
node: shim,
objectOf: getShim,
oneOf: getShim,
oneOfType: getShim,
shape: getShim,
exact: getShim
};
ReactPropTypes.checkPropTypes = emptyFunction;
ReactPropTypes.PropTypes = ReactPropTypes;
return ReactPropTypes;
};
var propTypes = createCommonjsModule(function (module) {
/**
* 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.
*/
if (process.env.NODE_ENV !== 'production') {
var REACT_ELEMENT_TYPE = (typeof Symbol === 'function' &&
Symbol.for &&
Symbol.for('react.element')) ||
0xeac7;
var isValidElement = function(object) {
return typeof object === 'object' &&
object !== null &&
object.$$typeof === REACT_ELEMENT_TYPE;
};
// By explicitly using `prop-types` you are opting into new development behavior.
// http://fb.me/prop-types-in-prod
var throwOnDirectAccess = true;
module.exports = factoryWithTypeCheckers(isValidElement, throwOnDirectAccess);
} else {
// By explicitly using `prop-types` you are opting into new production behavior.
// http://fb.me/prop-types-in-prod
module.exports = factoryWithThrowingShims();
}
});
// Tell whether the rect is visible, given an offset
//
// return: boolean
var isVisibleWithOffset = function (offset, rect, containmentRect) {
var offsetDir = offset.direction;
var offsetVal = offset.value; // Rules for checking different kind of offsets. In example if the element is
// 90px below viewport and offsetTop is 100, it is considered visible.
switch (offsetDir) {
case 'top':
return containmentRect.top + offsetVal < rect.top && containmentRect.bottom > rect.bottom && containmentRect.left < rect.left && containmentRect.right > rect.right;
case 'left':
return containmentRect.left + offsetVal < rect.left && containmentRect.bottom > rect.bottom && containmentRect.top < rect.top && containmentRect.right > rect.right;
case 'bottom':
return containmentRect.bottom - offsetVal > rect.bottom && containmentRect.left < rect.left && containmentRect.right > rect.right && containmentRect.top < rect.top;
case 'right':
return containmentRect.right - offsetVal > rect.right && containmentRect.left < rect.left && containmentRect.top < rect.top && containmentRect.bottom > rect.bottom;
}
};
function normalizeRect(rect) {
if (rect.width === undefined) {
rect.width = rect.right - rect.left;
}
if (rect.height === undefined) {
rect.height = rect.bottom - rect.top;
}
return rect;
}
var VisibilitySensor =
/*#__PURE__*/
function (_React$Component) {
_inherits(VisibilitySensor, _React$Component);
function VisibilitySensor(props) {
var _this;
_classCallCheck(this, VisibilitySensor);
_this = _possibleConstructorReturn(this, _getPrototypeOf(VisibilitySensor).call(this, props));
_defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "getContainer", function () {
return _this.props.containment || window;
});
_defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "addEventListener", function (target, event, delay, throttle) {
if (!_this.debounceCheck) {
_this.debounceCheck = {};
}
var timeout;
var func;
var later = function later() {
timeout = null;
_this.check();
};
if (throttle > -1) {
func = function func() {
if (!timeout) {
timeout = setTimeout(later, throttle || 0);
}
};
} else {
func = function func() {
clearTimeout(timeout);
timeout = setTimeout(later, delay || 0);
};
}
var info = {
target: target,
fn: func,
getLastTimeout: function getLastTimeout() {
return timeout;
}
};
target.addEventListener(event, info.fn);
_this.debounceCheck[event] = info;
});
_defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "startWatching", function () {
if (_this.debounceCheck || _this.interval) {
return;
}
if (_this.props.intervalCheck) {
_this.interval = setInterval(_this.check, _this.props.intervalDelay);
}
if (_this.props.scrollCheck) {
_this.addEventListener(_this.getContainer(), "scroll", _this.props.scrollDelay, _this.props.scrollThrottle);
}
if (_this.props.resizeCheck) {
_this.addEventListener(window, "resize", _this.props.resizeDelay, _this.props.resizeThrottle);
} // if dont need delayed call, check on load ( before the first interval fires )
!_this.props.delayedCall && _this.check();
});
_defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "stopWatching", function () {
if (_this.debounceCheck) {
// clean up event listeners and their debounce callers
for (var debounceEvent in _this.debounceCheck) {
if (_this.debounceCheck.hasOwnProperty(debounceEvent)) {
var debounceInfo = _this.debounceCheck[debounceEvent];
clearTimeout(debounceInfo.getLastTimeout());
debounceInfo.target.removeEventListener(debounceEvent, debounceInfo.fn);
_this.debounceCheck[debounceEvent] = null;
}
}
}
_this.debounceCheck = null;
if (_this.interval) {
_this.interval = clearInterval(_this.interval);
}
});
_defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "check", function () {
var el = _this.node;
var rect;
var containmentRect; // if the component has rendered to null, dont update visibility
if (!el) {
return _this.state;
}
rect = normalizeRect(_this.roundRectDown(el.getBoundingClientRect()));
if (_this.props.containment) {
var containmentDOMRect = _this.props.containment.getBoundingClientRect();
containmentRect = {
top: containmentDOMRect.top,
left: containmentDOMRect.left,
bottom: containmentDOMRect.bottom,
right: containmentDOMRect.right
};
} else {
containmentRect = {
top: 0,
left: 0,
bottom: window.innerHeight || document.documentElement.clientHeight,
right: window.innerWidth || document.documentElement.clientWidth
};
} // Check if visibility is wanted via offset?
var offset = _this.props.offset || {};
var hasValidOffset = _typeof(offset) === "object";
if (hasValidOffset) {
containmentRect.top += offset.top || 0;
containmentRect.left += offset.left || 0;
containmentRect.bottom -= offset.bottom || 0;
containmentRect.right -= offset.right || 0;
}
var visibilityRect = {
top: rect.top >= containmentRect.top,
left: rect.left >= containmentRect.left,
bottom: rect.bottom <= containmentRect.bottom,
right: rect.right <= containmentRect.right
}; // https://github.com/joshwnj/react-visibility-sensor/pull/114
var hasSize = rect.height > 0 && rect.width > 0;
var isVisible = hasSize && visibilityRect.top && visibilityRect.left && visibilityRect.bottom && visibilityRect.right; // check for partial visibility
if (hasSize && _this.props.partialVisibility) {
var partialVisible = rect.top <= containmentRect.bottom && rect.bottom >= containmentRect.top && rect.left <= containmentRect.right && rect.right >= containmentRect.left; // account for partial visibility on a single edge
if (typeof _this.props.partialVisibility === "string") {
partialVisible = visibilityRect[_this.props.partialVisibility];
} // if we have minimum top visibility set by props, lets check, if it meets the passed value
// so if for instance element is at least 200px in viewport, then show it.
isVisible = _this.props.minTopValue ? partialVisible && rect.top <= containmentRect.bottom - _this.props.minTopValue : partialVisible;
} // Deprecated options for calculating offset.
if (typeof offset.direction === "string" && typeof offset.value === "number") {
console.warn("[notice] offset.direction and offset.value have been deprecated. They still work for now, but will be removed in next major version. Please upgrade to the new syntax: { %s: %d }", offset.direction, offset.value);
isVisible = isVisibleWithOffset(offset, rect, containmentRect);
}
var state = _this.state; // notify the parent when the value changes
if (_this.state.isVisible !== isVisible) {
state = {
isVisible: isVisible,
visibilityRect: visibilityRect
};
_this.setState(state);
if (_this.props.onChange) _this.props.onChange(isVisible);
}
return state;
});
_this.state = {
isVisible: null,
visibilityRect: {}
};
return _this;
}
_createClass(VisibilitySensor, [{
key: "componentDidMount",
value: function componentDidMount() {
this.node = ReactDOM.findDOMNode(this);
if (this.props.active) {
this.startWatching();
}
}
}, {
key: "componentWillUnmount",
value: function componentWillUnmount() {
this.stopWatching();
}
}, {
key: "componentDidUpdate",
value: function componentDidUpdate(prevProps) {
// re-register node in componentDidUpdate if children diffs [#103]
this.node = ReactDOM.findDOMNode(this);
if (this.props.active && !prevProps.active) {
this.setState({
isVisible: null,
visibilityRect: {}
});
this.startWatching();
} else if (!this.props.active) {
this.stopWatching();
}
}
}, {
key: "roundRectDown",
value: function roundRectDown(rect) {
return {
top: Math.floor(rect.top),
left: Math.floor(rect.left),
bottom: Math.floor(rect.bottom),
right: Math.floor(rect.right)
};
}
/**
* Check if the element is within the visible viewport
*/
}, {
key: "render",
value: function render() {
if (this.props.children instanceof Function) {
return this.props.children({
isVisible: this.state.isVisible,
visibilityRect: this.state.visibilityRect
});
}
return React.Children.only(this.props.children);
}
}]);
return VisibilitySensor;
}(React.Component);
_defineProperty(VisibilitySensor, "defaultProps", {
active: true,
partialVisibility: false,
minTopValue: 0,
scrollCheck: false,
scrollDelay: 250,
scrollThrottle: -1,
resizeCheck: false,
resizeDelay: 250,
resizeThrottle: -1,
intervalCheck: true,
intervalDelay: 100,
delayedCall: false,
offset: {},
containment: null,
children: React.createElement("span", null)
});
_defineProperty(VisibilitySensor, "propTypes", {
onChange: propTypes.func,
active: propTypes.bool,
partialVisibility: propTypes.oneOfType([propTypes.bool, propTypes.oneOf(["top", "right", "bottom", "left"])]),
delayedCall: propTypes.bool,
offset: propTypes.oneOfType([propTypes.shape({
top: propTypes.number,
left: propTypes.number,
bottom: propTypes.number,
right: propTypes.number
}), // deprecated offset property
propTypes.shape({
direction: propTypes.oneOf(["top", "right", "bottom", "left"]),
value: propTypes.number
})]),
scrollCheck: propTypes.bool,
scrollDelay: propTypes.number,
scrollThrottle: propTypes.number,
resizeCheck: propTypes.bool,
resizeDelay: propTypes.number,
resizeThrottle: propTypes.number,
intervalCheck: propTypes.bool,
intervalDelay: propTypes.number,
containment: typeof window !== "undefined" ? propTypes.instanceOf(window.Element) : propTypes.any,
children: propTypes.oneOfType([propTypes.element, propTypes.func]),
minTopValue: propTypes.number
});
exports.default = VisibilitySensor;
//# sourceMappingURL=visibility-sensor.cjs.js.map