WordPress/wp-includes/js/dist/hooks.js

604 lines
21 KiB
JavaScript

this["wp"] = this["wp"] || {}; this["wp"]["hooks"] =
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/***/ 312:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/validateNamespace.js
/**
* Validate a namespace string.
*
* @param {string} namespace The namespace to validate - should take the form
* `vendor/plugin/function`.
*
* @return {boolean} Whether the namespace is valid.
*/
function validateNamespace(namespace) {
if ('string' !== typeof namespace || '' === namespace) {
// eslint-disable-next-line no-console
console.error('The namespace must be a non-empty string.');
return false;
}
if (!/^[a-zA-Z][a-zA-Z0-9_.\-\/]*$/.test(namespace)) {
// eslint-disable-next-line no-console
console.error('The namespace can only contain numbers, letters, dashes, periods, underscores and slashes.');
return false;
}
return true;
}
/* harmony default export */ var build_module_validateNamespace = (validateNamespace);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/validateHookName.js
/**
* Validate a hookName string.
*
* @param {string} hookName The hook name to validate. Should be a non empty string containing
* only numbers, letters, dashes, periods and underscores. Also,
* the hook name cannot begin with `__`.
*
* @return {boolean} Whether the hook name is valid.
*/
function validateHookName(hookName) {
if ('string' !== typeof hookName || '' === hookName) {
// eslint-disable-next-line no-console
console.error('The hook name must be a non-empty string.');
return false;
}
if (/^__/.test(hookName)) {
// eslint-disable-next-line no-console
console.error('The hook name cannot begin with `__`.');
return false;
}
if (!/^[a-zA-Z][a-zA-Z0-9_.-]*$/.test(hookName)) {
// eslint-disable-next-line no-console
console.error('The hook name can only contain numbers, letters, dashes, periods and underscores.');
return false;
}
return true;
}
/* harmony default export */ var build_module_validateHookName = (validateHookName);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/createAddHook.js
/**
* Returns a function which, when invoked, will add a hook.
*
* @param {Object} hooks Stored hooks, keyed by hook name.
*
* @return {Function} Function that adds a new hook.
*/
function createAddHook(hooks) {
/**
* Adds the hook to the appropriate hooks container.
*
* @param {string} hookName Name of hook to add
* @param {string} namespace The unique namespace identifying the callback in the form `vendor/plugin/function`.
* @param {Function} callback Function to call when the hook is run
* @param {?number} priority Priority of this hook (default=10)
*/
return function addHook(hookName, namespace, callback) {
var priority = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 10;
if (!build_module_validateHookName(hookName)) {
return;
}
if (!build_module_validateNamespace(namespace)) {
return;
}
if ('function' !== typeof callback) {
// eslint-disable-next-line no-console
console.error('The hook callback must be a function.');
return;
} // Validate numeric priority
if ('number' !== typeof priority) {
// eslint-disable-next-line no-console
console.error('If specified, the hook priority must be a number.');
return;
}
var handler = {
callback: callback,
priority: priority,
namespace: namespace
};
if (hooks[hookName]) {
// Find the correct insert index of the new hook.
var handlers = hooks[hookName].handlers;
var i = 0;
while (i < handlers.length) {
if (handlers[i].priority > priority) {
break;
}
i++;
} // Insert (or append) the new hook.
handlers.splice(i, 0, handler); // We may also be currently executing this hook. If the callback
// we're adding would come after the current callback, there's no
// problem; otherwise we need to increase the execution index of
// any other runs by 1 to account for the added element.
(hooks.__current || []).forEach(function (hookInfo) {
if (hookInfo.name === hookName && hookInfo.currentIndex >= i) {
hookInfo.currentIndex++;
}
});
} else {
// This is the first hook of its type.
hooks[hookName] = {
handlers: [handler],
runs: 0
};
}
if (hookName !== 'hookAdded') {
doAction('hookAdded', hookName, namespace, callback, priority);
}
};
}
/* harmony default export */ var build_module_createAddHook = (createAddHook);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/createRemoveHook.js
/**
* Returns a function which, when invoked, will remove a specified hook or all
* hooks by the given name.
*
* @param {Object} hooks Stored hooks, keyed by hook name.
* @param {boolean} removeAll Whether to remove all callbacks for a hookName, without regard to namespace. Used to create `removeAll*` functions.
*
* @return {Function} Function that removes hooks.
*/
function createRemoveHook(hooks, removeAll) {
/**
* Removes the specified callback (or all callbacks) from the hook with a
* given hookName and namespace.
*
* @param {string} hookName The name of the hook to modify.
* @param {string} namespace The unique namespace identifying the callback in the form `vendor/plugin/function`.
*
* @return {number} The number of callbacks removed.
*/
return function removeHook(hookName, namespace) {
if (!build_module_validateHookName(hookName)) {
return;
}
if (!removeAll && !build_module_validateNamespace(namespace)) {
return;
} // Bail if no hooks exist by this name
if (!hooks[hookName]) {
return 0;
}
var handlersRemoved = 0;
if (removeAll) {
handlersRemoved = hooks[hookName].handlers.length;
hooks[hookName] = {
runs: hooks[hookName].runs,
handlers: []
};
} else {
// Try to find the specified callback to remove.
var handlers = hooks[hookName].handlers;
var _loop = function _loop(i) {
if (handlers[i].namespace === namespace) {
handlers.splice(i, 1);
handlersRemoved++; // This callback may also be part of a hook that is
// currently executing. If the callback we're removing
// comes after the current callback, there's no problem;
// otherwise we need to decrease the execution index of any
// other runs by 1 to account for the removed element.
(hooks.__current || []).forEach(function (hookInfo) {
if (hookInfo.name === hookName && hookInfo.currentIndex >= i) {
hookInfo.currentIndex--;
}
});
}
};
for (var i = handlers.length - 1; i >= 0; i--) {
_loop(i);
}
}
if (hookName !== 'hookRemoved') {
doAction('hookRemoved', hookName, namespace);
}
return handlersRemoved;
};
}
/* harmony default export */ var build_module_createRemoveHook = (createRemoveHook);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/createHasHook.js
/**
* Returns a function which, when invoked, will return whether any handlers are
* attached to a particular hook.
*
* @param {Object} hooks Stored hooks, keyed by hook name.
*
* @return {Function} Function that returns whether any handlers are
* attached to a particular hook.
*/
function createHasHook(hooks) {
/**
* Returns how many handlers are attached for the given hook.
*
* @param {string} hookName The name of the hook to check for.
*
* @return {boolean} Whether there are handlers that are attached to the given hook.
*/
return function hasHook(hookName) {
return hookName in hooks;
};
}
/* harmony default export */ var build_module_createHasHook = (createHasHook);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/createRunHook.js
/**
* Returns a function which, when invoked, will execute all callbacks
* registered to a hook of the specified type, optionally returning the final
* value of the call chain.
*
* @param {Object} hooks Stored hooks, keyed by hook name.
* @param {?boolean} returnFirstArg Whether each hook callback is expected to
* return its first argument.
*
* @return {Function} Function that runs hook callbacks.
*/
function createRunHook(hooks, returnFirstArg) {
/**
* Runs all callbacks for the specified hook.
*
* @param {string} hookName The name of the hook to run.
* @param {...*} args Arguments to pass to the hook callbacks.
*
* @return {*} Return value of runner, if applicable.
*/
return function runHooks(hookName) {
if (!hooks[hookName]) {
hooks[hookName] = {
handlers: [],
runs: 0
};
}
hooks[hookName].runs++;
var handlers = hooks[hookName].handlers;
for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
if (!handlers || !handlers.length) {
return returnFirstArg ? args[0] : undefined;
}
var hookInfo = {
name: hookName,
currentIndex: 0
};
hooks.__current.push(hookInfo);
while (hookInfo.currentIndex < handlers.length) {
var handler = handlers[hookInfo.currentIndex];
var result = handler.callback.apply(null, args);
if (returnFirstArg) {
args[0] = result;
}
hookInfo.currentIndex++;
}
hooks.__current.pop();
if (returnFirstArg) {
return args[0];
}
};
}
/* harmony default export */ var build_module_createRunHook = (createRunHook);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/createCurrentHook.js
/**
* Returns a function which, when invoked, will return the name of the
* currently running hook, or `null` if no hook of the given type is currently
* running.
*
* @param {Object} hooks Stored hooks, keyed by hook name.
*
* @return {Function} Function that returns the current hook.
*/
function createCurrentHook(hooks) {
/**
* Returns the name of the currently running hook, or `null` if no hook of
* the given type is currently running.
*
* @return {?string} The name of the currently running hook, or
* `null` if no hook is currently running.
*/
return function currentHook() {
if (!hooks.__current || !hooks.__current.length) {
return null;
}
return hooks.__current[hooks.__current.length - 1].name;
};
}
/* harmony default export */ var build_module_createCurrentHook = (createCurrentHook);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/createDoingHook.js
/**
* Returns a function which, when invoked, will return whether a hook is
* currently being executed.
*
* @param {Object} hooks Stored hooks, keyed by hook name.
*
* @return {Function} Function that returns whether a hook is currently
* being executed.
*/
function createDoingHook(hooks) {
/**
* Returns whether a hook is currently being executed.
*
* @param {?string} hookName The name of the hook to check for. If
* omitted, will check for any hook being executed.
*
* @return {boolean} Whether the hook is being executed.
*/
return function doingHook(hookName) {
// If the hookName was not passed, check for any current hook.
if ('undefined' === typeof hookName) {
return 'undefined' !== typeof hooks.__current[0];
} // Return the __current hook.
return hooks.__current[0] ? hookName === hooks.__current[0].name : false;
};
}
/* harmony default export */ var build_module_createDoingHook = (createDoingHook);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/createDidHook.js
/**
* Returns a function which, when invoked, will return the number of times a
* hook has been called.
*
* @param {Object} hooks Stored hooks, keyed by hook name.
*
* @return {Function} Function that returns a hook's call count.
*/
function createDidHook(hooks) {
/**
* Returns the number of times an action has been fired.
*
* @param {string} hookName The hook name to check.
*
* @return {number} The number of times the hook has run.
*/
return function didHook(hookName) {
if (!build_module_validateHookName(hookName)) {
return;
}
return hooks[hookName] && hooks[hookName].runs ? hooks[hookName].runs : 0;
};
}
/* harmony default export */ var build_module_createDidHook = (createDidHook);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/createHooks.js
/**
* Returns an instance of the hooks object.
*
* @return {Object} Object that contains all hooks.
*/
function createHooks() {
var actions = Object.create(null);
var filters = Object.create(null);
actions.__current = [];
filters.__current = [];
return {
addAction: build_module_createAddHook(actions),
addFilter: build_module_createAddHook(filters),
removeAction: build_module_createRemoveHook(actions),
removeFilter: build_module_createRemoveHook(filters),
hasAction: build_module_createHasHook(actions),
hasFilter: build_module_createHasHook(filters),
removeAllActions: build_module_createRemoveHook(actions, true),
removeAllFilters: build_module_createRemoveHook(filters, true),
doAction: build_module_createRunHook(actions),
applyFilters: build_module_createRunHook(filters, true),
currentAction: build_module_createCurrentHook(actions),
currentFilter: build_module_createCurrentHook(filters),
doingAction: build_module_createDoingHook(actions),
doingFilter: build_module_createDoingHook(filters),
didAction: build_module_createDidHook(actions),
didFilter: build_module_createDidHook(filters),
actions: actions,
filters: filters
};
}
/* harmony default export */ var build_module_createHooks = (createHooks);
// CONCATENATED MODULE: ./node_modules/@wordpress/hooks/build-module/index.js
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "addAction", function() { return addAction; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "addFilter", function() { return addFilter; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "removeAction", function() { return removeAction; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "removeFilter", function() { return removeFilter; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "hasAction", function() { return hasAction; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "hasFilter", function() { return hasFilter; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "removeAllActions", function() { return removeAllActions; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "removeAllFilters", function() { return removeAllFilters; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "doAction", function() { return doAction; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "applyFilters", function() { return applyFilters; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "currentAction", function() { return currentAction; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "currentFilter", function() { return currentFilter; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "doingAction", function() { return doingAction; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "doingFilter", function() { return doingFilter; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "didAction", function() { return didAction; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "didFilter", function() { return didFilter; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "actions", function() { return build_module_actions; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "filters", function() { return build_module_filters; });
/* concated harmony reexport createHooks */__webpack_require__.d(__webpack_exports__, "createHooks", function() { return build_module_createHooks; });
var _createHooks = build_module_createHooks(),
addAction = _createHooks.addAction,
addFilter = _createHooks.addFilter,
removeAction = _createHooks.removeAction,
removeFilter = _createHooks.removeFilter,
hasAction = _createHooks.hasAction,
hasFilter = _createHooks.hasFilter,
removeAllActions = _createHooks.removeAllActions,
removeAllFilters = _createHooks.removeAllFilters,
doAction = _createHooks.doAction,
applyFilters = _createHooks.applyFilters,
currentAction = _createHooks.currentAction,
currentFilter = _createHooks.currentFilter,
doingAction = _createHooks.doingAction,
doingFilter = _createHooks.doingFilter,
didAction = _createHooks.didAction,
didFilter = _createHooks.didFilter,
build_module_actions = _createHooks.actions,
build_module_filters = _createHooks.filters;
/***/ })
/******/ });