(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
"use strict";

var _i18n = require("@wordpress/i18n");
(function ($) {
  const Variations = {
    init() {
      this.bindEvents();
    },
    bindEvents() {
      const manageToAddImagesId = (newId, idInput) => {
        let imagesId = idInput.val();
        imagesId = imagesId + ',' + newId;
        imagesId = imagesId.split(',');
        imagesId = [...new Set(imagesId)];
        imagesId = imagesId.join(',');
        idInput.val(imagesId.trim()).trigger('change');
      };
      const manageToRemoveImageId = (id, inputId) => {
        let imagesId = inputId.val();
        imagesId = imagesId.split(',');
        const toRemove = imagesId.indexOf(id);
        if (toRemove > -1) {
          imagesId.splice(toRemove, 1);
        }
        if (imagesId.length <= 1) {
          inputId.parent().find('.jupiterx-variation-gallery-button').val((0, _i18n.__)('Upload Gallery Images', 'jupiterx-core'));
        }
        imagesId = imagesId.join(',');
        inputId.val(imagesId.trim()).trigger('change');
      };
      const removeButton = () => {
        $('.jx-remove-gallery-item').off().on('click', function () {
          const id = $(this).parent().attr('data-id'),
            inputId = $(this).parent().parent().parent().find('.variation-gallery-images-id');
          manageToRemoveImageId(id, inputId);
          $(this).parent().remove();
        });
      };
      const manageAddNewImages = (info, idInput, galleryWrapper) => {
        manageToAddImagesId(info.id, idInput);
        if ('' === info.url) {
          return;
        }
        const wrapper = document.createElement('span'),
          remover = document.createElement('a'),
          image = document.createElement('img');
        wrapper.setAttribute('class', 'jupiterx-product-variation-gallery-single-image-wrapper');
        wrapper.setAttribute('data-id', info.id);
        remover.setAttribute('class', 'jx-remove-gallery-item tips');
        remover.setAttribute('title', (0, _i18n.__)('Remove', 'jupiterx-core'));
        image.setAttribute('src', info.url);
        wrapper.appendChild(remover);
        wrapper.appendChild(image);
        galleryWrapper.append(wrapper);
        removeButton();
      };
      const enableSorting = () => {
        $('.jupiterx-gallery-images-preview').sortable({
          placeholder: 'ui-sortable-placeholder wc-metabox-sortable-placeholder',
          delay: 0,
          update: ui => {
            let ids = '';
            $(ui.target).find('.jupiterx-product-variation-gallery-single-image-wrapper').each(function () {
              ids += $(this).attr('data-id') + ',';
            });
            $(ui.target).parent().find('.variation-gallery-images-id').val(ids).trigger('change');
          }
        });
      };
      jQuery(document).ready(function () {
        let wpMediaUploader;
        $(document).ajaxComplete(function () {
          $('.jupiterx-variation-gallery-wrap').each(function () {
            const galleryHtml = $(this).html(),
              selfWrapper = $(this).parent(),
              isAppend = selfWrapper.find('.upload_image').children().hasClass('jupiterx-variation-gallery-wrap-replaced');
            if (!isAppend) {
              selfWrapper.find('.upload_image').append('<p class="form-field jupiterx-variation-gallery-wrap-replaced">' + galleryHtml + '</p>');
            }
            $(this).remove();
          });
          $('.jupiterx-variation-gallery-button').off().click(function (e) {
            e.preventDefault();
            const galleryWrapper = $(this).parent().find('.jupiterx-gallery-images-preview'),
              parent = $(this).parent().parent(),
              imagesId = $(this).parent().find('.variation-gallery-images-id'),
              defaultAttachmentIds = imagesId.val().split(','),
              imageQuery = wp.media.query({
                post__in: defaultAttachmentIds,
                orderby: 'post__in'
              });
            if (wpMediaUploader) {
              wpMediaUploader.off().on('select', function () {
                const attachments = wpMediaUploader.state().get('selection').toJSON();
                for (let i = 0; i < attachments.length; i++) {
                  manageAddNewImages(attachments[i], imagesId, galleryWrapper);
                }
                parent.find('.jupiterx-variation-gallery-button').val((0, _i18n.__)('Change Image', 'jupiterx-core'));
              });
              wpMediaUploader.open();
              return;
            }
            wpMediaUploader = wp.media.frames.file_frame = wp.media({
              title: (0, _i18n.__)('Choose or Upload an Image', 'jupiterx-core'),
              button: {
                text: (0, _i18n.__)('Use Image', 'jupiterx-core')
              },
              multiple: true,
              library: {
                type: 'image',
                query: imageQuery
              }
            });
            wpMediaUploader.on('select', function () {
              const attachments = wpMediaUploader.state().get('selection').toJSON();
              for (let i = 0; i < attachments.length; i++) {
                manageAddNewImages(attachments[i], imagesId, galleryWrapper);
              }
              parent.find('.jupiterx-variation-gallery-button').val((0, _i18n.__)('Change Image', 'jupiterx-core'));
            });

            // Open the media frame.
            wpMediaUploader.open();
          });
          removeButton();
          enableSorting();
        });
      });
    }
  };
  Variations.init();
})(jQuery);

},{"@wordpress/i18n":20}],2:[function(require,module,exports){
function _interopRequireDefault(e) {
  return e && e.__esModule ? e : {
    "default": e
  };
}
module.exports = _interopRequireDefault, module.exports.__esModule = true, module.exports["default"] = module.exports;
},{}],3:[function(require,module,exports){
'use strict';

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var postfix = _interopDefault(require('@tannin/postfix'));
var evaluate = _interopDefault(require('@tannin/evaluate'));

/**
 * Given a C expression, returns a function which can be called to evaluate its
 * result.
 *
 * @example
 *
 * ```js
 * import compile from '@tannin/compile';
 *
 * const evaluate = compile( 'n > 1' );
 *
 * evaluate( { n: 2 } );
 * // ⇒ true
 * ```
 *
 * @param {string} expression C expression.
 *
 * @return {(variables?:{[variable:string]:*})=>*} Compiled evaluator.
 */
function compile( expression ) {
	var terms = postfix( expression );

	return function( variables ) {
		return evaluate( terms, variables );
	};
}

module.exports = compile;

},{"@tannin/evaluate":4,"@tannin/postfix":6}],4:[function(require,module,exports){
'use strict';

/**
 * Operator callback functions.
 *
 * @type {Object}
 */
var OPERATORS = {
	'!': function( a ) {
		return ! a;
	},
	'*': function( a, b ) {
		return a * b;
	},
	'/': function( a, b ) {
		return a / b;
	},
	'%': function( a, b ) {
		return a % b;
	},
	'+': function( a, b ) {
		return a + b;
	},
	'-': function( a, b ) {
		return a - b;
	},
	'<': function( a, b ) {
		return a < b;
	},
	'<=': function( a, b ) {
		return a <= b;
	},
	'>': function( a, b ) {
		return a > b;
	},
	'>=': function( a, b ) {
		return a >= b;
	},
	'==': function( a, b ) {
		return a === b;
	},
	'!=': function( a, b ) {
		return a !== b;
	},
	'&&': function( a, b ) {
		return a && b;
	},
	'||': function( a, b ) {
		return a || b;
	},
	'?:': function( a, b, c ) {
		if ( a ) {
			throw b;
		}

		return c;
	},
};

/**
 * Given an array of postfix terms and operand variables, returns the result of
 * the postfix evaluation.
 *
 * @example
 *
 * ```js
 * import evaluate from '@tannin/evaluate';
 *
 * // 3 + 4 * 5 / 6 ⇒ '3 4 5 * 6 / +'
 * const terms = [ '3', '4', '5', '*', '6', '/', '+' ];
 *
 * evaluate( terms, {} );
 * // ⇒ 6.333333333333334
 * ```
 *
 * @param {string[]} postfix   Postfix terms.
 * @param {Object}   variables Operand variables.
 *
 * @return {*} Result of evaluation.
 */
function evaluate( postfix, variables ) {
	var stack = [],
		i, j, args, getOperatorResult, term, value;

	for ( i = 0; i < postfix.length; i++ ) {
		term = postfix[ i ];

		getOperatorResult = OPERATORS[ term ];
		if ( getOperatorResult ) {
			// Pop from stack by number of function arguments.
			j = getOperatorResult.length;
			args = Array( j );
			while ( j-- ) {
				args[ j ] = stack.pop();
			}

			try {
				value = getOperatorResult.apply( null, args );
			} catch ( earlyReturn ) {
				return earlyReturn;
			}
		} else if ( variables.hasOwnProperty( term ) ) {
			value = variables[ term ];
		} else {
			value = +term;
		}

		stack.push( value );
	}

	return stack[ 0 ];
}

module.exports = evaluate;

},{}],5:[function(require,module,exports){
'use strict';

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var compile = _interopDefault(require('@tannin/compile'));

/**
 * Given a C expression, returns a function which, when called with a value,
 * evaluates the result with the value assumed to be the "n" variable of the
 * expression. The result will be coerced to its numeric equivalent.
 *
 * @param {string} expression C expression.
 *
 * @return {Function} Evaluator function.
 */
function pluralForms( expression ) {
	var evaluate = compile( expression );

	return function( n ) {
		return +evaluate( { n: n } );
	};
}

module.exports = pluralForms;

},{"@tannin/compile":3}],6:[function(require,module,exports){
'use strict';

var PRECEDENCE, OPENERS, TERMINATORS, PATTERN;

/**
 * Operator precedence mapping.
 *
 * @type {Object}
 */
PRECEDENCE = {
	'(': 9,
	'!': 8,
	'*': 7,
	'/': 7,
	'%': 7,
	'+': 6,
	'-': 6,
	'<': 5,
	'<=': 5,
	'>': 5,
	'>=': 5,
	'==': 4,
	'!=': 4,
	'&&': 3,
	'||': 2,
	'?': 1,
	'?:': 1,
};

/**
 * Characters which signal pair opening, to be terminated by terminators.
 *
 * @type {string[]}
 */
OPENERS = [ '(', '?' ];

/**
 * Characters which signal pair termination, the value an array with the
 * opener as its first member. The second member is an optional operator
 * replacement to push to the stack.
 *
 * @type {string[]}
 */
TERMINATORS = {
	')': [ '(' ],
	':': [ '?', '?:' ],
};

/**
 * Pattern matching operators and openers.
 *
 * @type {RegExp}
 */
PATTERN = /<=|>=|==|!=|&&|\|\||\?:|\(|!|\*|\/|%|\+|-|<|>|\?|\)|:/;

/**
 * Given a C expression, returns the equivalent postfix (Reverse Polish)
 * notation terms as an array.
 *
 * If a postfix string is desired, simply `.join( ' ' )` the result.
 *
 * @example
 *
 * ```js
 * import postfix from '@tannin/postfix';
 *
 * postfix( 'n > 1' );
 * // ⇒ [ 'n', '1', '>' ]
 * ```
 *
 * @param {string} expression C expression.
 *
 * @return {string[]} Postfix terms.
 */
function postfix( expression ) {
	var terms = [],
		stack = [],
		match, operator, term, element;

	while ( ( match = expression.match( PATTERN ) ) ) {
		operator = match[ 0 ];

		// Term is the string preceding the operator match. It may contain
		// whitespace, and may be empty (if operator is at beginning).
		term = expression.substr( 0, match.index ).trim();
		if ( term ) {
			terms.push( term );
		}

		while ( ( element = stack.pop() ) ) {
			if ( TERMINATORS[ operator ] ) {
				if ( TERMINATORS[ operator ][ 0 ] === element ) {
					// Substitution works here under assumption that because
					// the assigned operator will no longer be a terminator, it
					// will be pushed to the stack during the condition below.
					operator = TERMINATORS[ operator ][ 1 ] || operator;
					break;
				}
			} else if ( OPENERS.indexOf( element ) >= 0 || PRECEDENCE[ element ] < PRECEDENCE[ operator ] ) {
				// Push to stack if either an opener or when pop reveals an
				// element of lower precedence.
				stack.push( element );
				break;
			}

			// For each popped from stack, push to terms.
			terms.push( element );
		}

		if ( ! TERMINATORS[ operator ] ) {
			stack.push( operator );
		}

		// Slice matched fragment from expression to continue match.
		expression = expression.substr( match.index + operator.length );
	}

	// Push remainder of operand, if exists, to terms.
	expression = expression.trim();
	if ( expression ) {
		terms.push( expression );
	}

	// Pop remaining items from stack into terms.
	return terms.concat( stack.reverse() );
}

module.exports = postfix;

},{}],7:[function(require,module,exports){
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _validateNamespace = _interopRequireDefault(require("./validateNamespace.js"));
var _validateHookName = _interopRequireDefault(require("./validateHookName.js"));
/**
 * Internal dependencies
 */

/**
 * @callback AddHook
 *
 * 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 {import('.').Callback} callback      Function to call when the hook is run
 * @param {number}               [priority=10] Priority of this hook
 */

/**
 * Returns a function which, when invoked, will add a hook.
 *
 * @param {import('.').Hooks}    hooks    Hooks instance.
 * @param {import('.').StoreKey} storeKey
 *
 * @return {AddHook} Function that adds a new hook.
 */
function createAddHook(hooks, storeKey) {
  return function addHook(hookName, namespace, callback, priority = 10) {
    const hooksStore = hooks[storeKey];
    if (!(0, _validateHookName.default)(hookName)) {
      return;
    }
    if (!(0, _validateNamespace.default)(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;
    }
    const handler = {
      callback,
      priority,
      namespace
    };
    if (hooksStore[hookName]) {
      // Find the correct insert index of the new hook.
      const handlers = hooksStore[hookName].handlers;

      /** @type {number} */
      let i;
      for (i = handlers.length; i > 0; i--) {
        if (priority >= handlers[i - 1].priority) {
          break;
        }
      }
      if (i === handlers.length) {
        // If append, operate via direct assignment.
        handlers[i] = handler;
      } else {
        // Otherwise, insert before index via splice.
        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.
      hooksStore.__current.forEach(hookInfo => {
        if (hookInfo.name === hookName && hookInfo.currentIndex >= i) {
          hookInfo.currentIndex++;
        }
      });
    } else {
      // This is the first hook of its type.
      hooksStore[hookName] = {
        handlers: [handler],
        runs: 0
      };
    }
    if (hookName !== 'hookAdded') {
      hooks.doAction('hookAdded', hookName, namespace, callback, priority);
    }
  };
}
var _default = exports.default = createAddHook;

},{"./validateHookName.js":16,"./validateNamespace.js":17,"@babel/runtime/helpers/interopRequireDefault":2}],8:[function(require,module,exports){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
/**
 * 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 {import('.').Hooks}    hooks    Hooks instance.
 * @param {import('.').StoreKey} storeKey
 *
 * @return {() => string | null} Function that returns the current hook name or null.
 */
function createCurrentHook(hooks, storeKey) {
  return function currentHook() {
    var _hooksStore$__current;
    const hooksStore = hooks[storeKey];
    return (_hooksStore$__current = hooksStore.__current[hooksStore.__current.length - 1]?.name) !== null && _hooksStore$__current !== void 0 ? _hooksStore$__current : null;
  };
}
var _default = exports.default = createCurrentHook;

},{}],9:[function(require,module,exports){
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _validateHookName = _interopRequireDefault(require("./validateHookName.js"));
/**
 * Internal dependencies
 */

/**
 * @callback DidHook
 *
 * Returns the number of times an action has been fired.
 *
 * @param {string} hookName The hook name to check.
 *
 * @return {number | undefined} The number of times the hook has run.
 */

/**
 * Returns a function which, when invoked, will return the number of times a
 * hook has been called.
 *
 * @param {import('.').Hooks}    hooks    Hooks instance.
 * @param {import('.').StoreKey} storeKey
 *
 * @return {DidHook} Function that returns a hook's call count.
 */
function createDidHook(hooks, storeKey) {
  return function didHook(hookName) {
    const hooksStore = hooks[storeKey];
    if (!(0, _validateHookName.default)(hookName)) {
      return;
    }
    return hooksStore[hookName] && hooksStore[hookName].runs ? hooksStore[hookName].runs : 0;
  };
}
var _default = exports.default = createDidHook;

},{"./validateHookName.js":16,"@babel/runtime/helpers/interopRequireDefault":2}],10:[function(require,module,exports){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
/**
 * @callback DoingHook
 * 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.
 */

/**
 * Returns a function which, when invoked, will return whether a hook is
 * currently being executed.
 *
 * @param {import('.').Hooks}    hooks    Hooks instance.
 * @param {import('.').StoreKey} storeKey
 *
 * @return {DoingHook} Function that returns whether a hook is currently
 *                     being executed.
 */
function createDoingHook(hooks, storeKey) {
  return function doingHook(hookName) {
    const hooksStore = hooks[storeKey];

    // If the hookName was not passed, check for any current hook.
    if ('undefined' === typeof hookName) {
      return 'undefined' !== typeof hooksStore.__current[0];
    }

    // Return the __current hook.
    return hooksStore.__current[0] ? hookName === hooksStore.__current[0].name : false;
  };
}
var _default = exports.default = createDoingHook;

},{}],11:[function(require,module,exports){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
/**
 * @callback HasHook
 *
 * Returns whether any handlers are attached for the given hookName and optional namespace.
 *
 * @param {string} hookName    The name of the hook to check for.
 * @param {string} [namespace] Optional. The unique namespace identifying the callback
 *                             in the form `vendor/plugin/function`.
 *
 * @return {boolean} Whether there are handlers that are attached to the given hook.
 */
/**
 * Returns a function which, when invoked, will return whether any handlers are
 * attached to a particular hook.
 *
 * @param {import('.').Hooks}    hooks    Hooks instance.
 * @param {import('.').StoreKey} storeKey
 *
 * @return {HasHook} Function that returns whether any handlers are
 *                   attached to a particular hook and optional namespace.
 */
function createHasHook(hooks, storeKey) {
  return function hasHook(hookName, namespace) {
    const hooksStore = hooks[storeKey];

    // Use the namespace if provided.
    if ('undefined' !== typeof namespace) {
      return hookName in hooksStore && hooksStore[hookName].handlers.some(hook => hook.namespace === namespace);
    }
    return hookName in hooksStore;
  };
}
var _default = exports.default = createHasHook;

},{}],12:[function(require,module,exports){
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports._Hooks = void 0;
var _createAddHook = _interopRequireDefault(require("./createAddHook"));
var _createRemoveHook = _interopRequireDefault(require("./createRemoveHook"));
var _createHasHook = _interopRequireDefault(require("./createHasHook"));
var _createRunHook = _interopRequireDefault(require("./createRunHook"));
var _createCurrentHook = _interopRequireDefault(require("./createCurrentHook"));
var _createDoingHook = _interopRequireDefault(require("./createDoingHook"));
var _createDidHook = _interopRequireDefault(require("./createDidHook"));
/**
 * Internal dependencies
 */

/**
 * Internal class for constructing hooks. Use `createHooks()` function
 *
 * Note, it is necessary to expose this class to make its type public.
 *
 * @private
 */
class _Hooks {
  constructor() {
    /** @type {import('.').Store} actions */
    this.actions = Object.create(null);
    this.actions.__current = [];

    /** @type {import('.').Store} filters */
    this.filters = Object.create(null);
    this.filters.__current = [];
    this.addAction = (0, _createAddHook.default)(this, 'actions');
    this.addFilter = (0, _createAddHook.default)(this, 'filters');
    this.removeAction = (0, _createRemoveHook.default)(this, 'actions');
    this.removeFilter = (0, _createRemoveHook.default)(this, 'filters');
    this.hasAction = (0, _createHasHook.default)(this, 'actions');
    this.hasFilter = (0, _createHasHook.default)(this, 'filters');
    this.removeAllActions = (0, _createRemoveHook.default)(this, 'actions', true);
    this.removeAllFilters = (0, _createRemoveHook.default)(this, 'filters', true);
    this.doAction = (0, _createRunHook.default)(this, 'actions');
    this.applyFilters = (0, _createRunHook.default)(this, 'filters', true);
    this.currentAction = (0, _createCurrentHook.default)(this, 'actions');
    this.currentFilter = (0, _createCurrentHook.default)(this, 'filters');
    this.doingAction = (0, _createDoingHook.default)(this, 'actions');
    this.doingFilter = (0, _createDoingHook.default)(this, 'filters');
    this.didAction = (0, _createDidHook.default)(this, 'actions');
    this.didFilter = (0, _createDidHook.default)(this, 'filters');
  }
}

/** @typedef {_Hooks} Hooks */

/**
 * Returns an instance of the hooks object.
 *
 * @return {Hooks} A Hooks instance.
 */
exports._Hooks = _Hooks;
function createHooks() {
  return new _Hooks();
}
var _default = exports.default = createHooks;

},{"./createAddHook":7,"./createCurrentHook":8,"./createDidHook":9,"./createDoingHook":10,"./createHasHook":11,"./createRemoveHook":13,"./createRunHook":14,"@babel/runtime/helpers/interopRequireDefault":2}],13:[function(require,module,exports){
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _validateNamespace = _interopRequireDefault(require("./validateNamespace.js"));
var _validateHookName = _interopRequireDefault(require("./validateHookName.js"));
/**
 * Internal dependencies
 */

/**
 * @callback RemoveHook
 * 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 | undefined} The number of callbacks removed.
 */

/**
 * Returns a function which, when invoked, will remove a specified hook or all
 * hooks by the given name.
 *
 * @param {import('.').Hooks}    hooks             Hooks instance.
 * @param {import('.').StoreKey} storeKey
 * @param {boolean}              [removeAll=false] Whether to remove all callbacks for a hookName,
 *                                                 without regard to namespace. Used to create
 *                                                 `removeAll*` functions.
 *
 * @return {RemoveHook} Function that removes hooks.
 */
function createRemoveHook(hooks, storeKey, removeAll = false) {
  return function removeHook(hookName, namespace) {
    const hooksStore = hooks[storeKey];
    if (!(0, _validateHookName.default)(hookName)) {
      return;
    }
    if (!removeAll && !(0, _validateNamespace.default)(namespace)) {
      return;
    }

    // Bail if no hooks exist by this name.
    if (!hooksStore[hookName]) {
      return 0;
    }
    let handlersRemoved = 0;
    if (removeAll) {
      handlersRemoved = hooksStore[hookName].handlers.length;
      hooksStore[hookName] = {
        runs: hooksStore[hookName].runs,
        handlers: []
      };
    } else {
      // Try to find the specified callback to remove.
      const handlers = hooksStore[hookName].handlers;
      for (let i = handlers.length - 1; i >= 0; 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.
          hooksStore.__current.forEach(hookInfo => {
            if (hookInfo.name === hookName && hookInfo.currentIndex >= i) {
              hookInfo.currentIndex--;
            }
          });
        }
      }
    }
    if (hookName !== 'hookRemoved') {
      hooks.doAction('hookRemoved', hookName, namespace);
    }
    return handlersRemoved;
  };
}
var _default = exports.default = createRemoveHook;

},{"./validateHookName.js":16,"./validateNamespace.js":17,"@babel/runtime/helpers/interopRequireDefault":2}],14:[function(require,module,exports){
(function (process){(function (){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
/**
 * 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 {import('.').Hooks}    hooks                  Hooks instance.
 * @param {import('.').StoreKey} storeKey
 * @param {boolean}              [returnFirstArg=false] Whether each hook callback is expected to
 *                                                      return its first argument.
 *
 * @return {(hookName:string, ...args: unknown[]) => undefined|unknown} Function that runs hook callbacks.
 */
function createRunHook(hooks, storeKey, returnFirstArg = false) {
  return function runHooks(hookName, ...args) {
    const hooksStore = hooks[storeKey];
    if (!hooksStore[hookName]) {
      hooksStore[hookName] = {
        handlers: [],
        runs: 0
      };
    }
    hooksStore[hookName].runs++;
    const handlers = hooksStore[hookName].handlers;

    // The following code is stripped from production builds.
    if ('production' !== process.env.NODE_ENV) {
      // Handle any 'all' hooks registered.
      if ('hookAdded' !== hookName && hooksStore.all) {
        handlers.push(...hooksStore.all.handlers);
      }
    }
    if (!handlers || !handlers.length) {
      return returnFirstArg ? args[0] : undefined;
    }
    const hookInfo = {
      name: hookName,
      currentIndex: 0
    };
    hooksStore.__current.push(hookInfo);
    while (hookInfo.currentIndex < handlers.length) {
      const handler = handlers[hookInfo.currentIndex];
      const result = handler.callback.apply(null, args);
      if (returnFirstArg) {
        args[0] = result;
      }
      hookInfo.currentIndex++;
    }
    hooksStore.__current.pop();
    if (returnFirstArg) {
      return args[0];
    }
    return undefined;
  };
}
var _default = exports.default = createRunHook;

}).call(this)}).call(this,require('_process'))
},{"_process":23}],15:[function(require,module,exports){
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.applyFilters = exports.addFilter = exports.addAction = exports.actions = void 0;
Object.defineProperty(exports, "createHooks", {
  enumerable: true,
  get: function () {
    return _createHooks.default;
  }
});
exports.removeFilter = exports.removeAllFilters = exports.removeAllActions = exports.removeAction = exports.hasFilter = exports.hasAction = exports.filters = exports.doingFilter = exports.doingAction = exports.doAction = exports.didFilter = exports.didAction = exports.defaultHooks = exports.currentFilter = exports.currentAction = void 0;
var _createHooks = _interopRequireDefault(require("./createHooks"));
/**
 * Internal dependencies
 */

/** @typedef {(...args: any[])=>any} Callback */

/**
 * @typedef Handler
 * @property {Callback} callback  The callback
 * @property {string}   namespace The namespace
 * @property {number}   priority  The namespace
 */

/**
 * @typedef Hook
 * @property {Handler[]} handlers Array of handlers
 * @property {number}    runs     Run counter
 */

/**
 * @typedef Current
 * @property {string} name         Hook name
 * @property {number} currentIndex The index
 */

/**
 * @typedef {Record<string, Hook> & {__current: Current[]}} Store
 */

/**
 * @typedef {'actions' | 'filters'} StoreKey
 */

/**
 * @typedef {import('./createHooks').Hooks} Hooks
 */

const defaultHooks = exports.defaultHooks = (0, _createHooks.default)();
const {
  addAction,
  addFilter,
  removeAction,
  removeFilter,
  hasAction,
  hasFilter,
  removeAllActions,
  removeAllFilters,
  doAction,
  applyFilters,
  currentAction,
  currentFilter,
  doingAction,
  doingFilter,
  didAction,
  didFilter,
  actions,
  filters
} = defaultHooks;
exports.filters = filters;
exports.actions = actions;
exports.didFilter = didFilter;
exports.didAction = didAction;
exports.doingFilter = doingFilter;
exports.doingAction = doingAction;
exports.currentFilter = currentFilter;
exports.currentAction = currentAction;
exports.applyFilters = applyFilters;
exports.doAction = doAction;
exports.removeAllFilters = removeAllFilters;
exports.removeAllActions = removeAllActions;
exports.hasFilter = hasFilter;
exports.hasAction = hasAction;
exports.removeFilter = removeFilter;
exports.removeAction = removeAction;
exports.addFilter = addFilter;
exports.addAction = addAction;

},{"./createHooks":12,"@babel/runtime/helpers/interopRequireDefault":2}],16:[function(require,module,exports){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
/**
 * 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;
}
var _default = exports.default = validateHookName;

},{}],17:[function(require,module,exports){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
/**
 * 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;
}
var _default = exports.default = validateNamespace;

},{}],18:[function(require,module,exports){
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createI18n = void 0;
var _tannin = _interopRequireDefault(require("tannin"));
/**
 * External dependencies
 */

/**
 * @typedef {Record<string,any>} LocaleData
 */

/**
 * Default locale data to use for Tannin domain when not otherwise provided.
 * Assumes an English plural forms expression.
 *
 * @type {LocaleData}
 */
const DEFAULT_LOCALE_DATA = {
  '': {
    /** @param {number} n */
    plural_forms(n) {
      return n === 1 ? 0 : 1;
    }
  }
};

/*
 * Regular expression that matches i18n hooks like `i18n.gettext`, `i18n.ngettext`,
 * `i18n.gettext_domain` or `i18n.ngettext_with_context` or `i18n.has_translation`.
 */
const I18N_HOOK_REGEXP = /^i18n\.(n?gettext|has_translation)(_|$)/;

/**
 * @typedef {(domain?: string) => LocaleData} GetLocaleData
 *
 * Returns locale data by domain in a
 * Jed-formatted JSON object shape.
 *
 * @see http://messageformat.github.io/Jed/
 */
/**
 * @typedef {(data?: LocaleData, domain?: string) => void} SetLocaleData
 *
 * Merges locale data into the Tannin instance by domain. Note that this
 * function will overwrite the domain configuration. Accepts data in a
 * Jed-formatted JSON object shape.
 *
 * @see http://messageformat.github.io/Jed/
 */
/**
 * @typedef {(data?: LocaleData, domain?: string) => void} AddLocaleData
 *
 * Merges locale data into the Tannin instance by domain. Note that this
 * function will also merge the domain configuration. Accepts data in a
 * Jed-formatted JSON object shape.
 *
 * @see http://messageformat.github.io/Jed/
 */
/**
 * @typedef {(data?: LocaleData, domain?: string) => void} ResetLocaleData
 *
 * Resets all current Tannin instance locale data and sets the specified
 * locale data for the domain. Accepts data in a Jed-formatted JSON object shape.
 *
 * @see http://messageformat.github.io/Jed/
 */
/** @typedef {() => void} SubscribeCallback */
/** @typedef {() => void} UnsubscribeCallback */
/**
 * @typedef {(callback: SubscribeCallback) => UnsubscribeCallback} Subscribe
 *
 * Subscribes to changes of locale data
 */
/**
 * @typedef {(domain?: string) => string} GetFilterDomain
 * Retrieve the domain to use when calling domain-specific filters.
 */
/**
 * @typedef {(text: string, domain?: string) => string} __
 *
 * Retrieve the translation of text.
 *
 * @see https://developer.wordpress.org/reference/functions/__/
 */
/**
 * @typedef {(text: string, context: string, domain?: string) => string} _x
 *
 * Retrieve translated string with gettext context.
 *
 * @see https://developer.wordpress.org/reference/functions/_x/
 */
/**
 * @typedef {(single: string, plural: string, number: number, domain?: string) => string} _n
 *
 * Translates and retrieves the singular or plural form based on the supplied
 * number.
 *
 * @see https://developer.wordpress.org/reference/functions/_n/
 */
/**
 * @typedef {(single: string, plural: string, number: number, context: string, domain?: string) => string} _nx
 *
 * Translates and retrieves the singular or plural form based on the supplied
 * number, with gettext context.
 *
 * @see https://developer.wordpress.org/reference/functions/_nx/
 */
/**
 * @typedef {() => boolean} IsRtl
 *
 * Check if current locale is RTL.
 *
 * **RTL (Right To Left)** is a locale property indicating that text is written from right to left.
 * For example, the `he` locale (for Hebrew) specifies right-to-left. Arabic (ar) is another common
 * language written RTL. The opposite of RTL, LTR (Left To Right) is used in other languages,
 * including English (`en`, `en-US`, `en-GB`, etc.), Spanish (`es`), and French (`fr`).
 */
/**
 * @typedef {(single: string, context?: string, domain?: string) => boolean} HasTranslation
 *
 * Check if there is a translation for a given string in singular form.
 */
/** @typedef {import('@wordpress/hooks').Hooks} Hooks */

/**
 * An i18n instance
 *
 * @typedef I18n
 * @property {GetLocaleData}   getLocaleData   Returns locale data by domain in a Jed-formatted JSON object shape.
 * @property {SetLocaleData}   setLocaleData   Merges locale data into the Tannin instance by domain. Note that this
 *                                             function will overwrite the domain configuration. Accepts data in a
 *                                             Jed-formatted JSON object shape.
 * @property {AddLocaleData}   addLocaleData   Merges locale data into the Tannin instance by domain. Note that this
 *                                             function will also merge the domain configuration. Accepts data in a
 *                                             Jed-formatted JSON object shape.
 * @property {ResetLocaleData} resetLocaleData Resets all current Tannin instance locale data and sets the specified
 *                                             locale data for the domain. Accepts data in a Jed-formatted JSON object shape.
 * @property {Subscribe}       subscribe       Subscribes to changes of Tannin locale data.
 * @property {__}              __              Retrieve the translation of text.
 * @property {_x}              _x              Retrieve translated string with gettext context.
 * @property {_n}              _n              Translates and retrieves the singular or plural form based on the supplied
 *                                             number.
 * @property {_nx}             _nx             Translates and retrieves the singular or plural form based on the supplied
 *                                             number, with gettext context.
 * @property {IsRtl}           isRTL           Check if current locale is RTL.
 * @property {HasTranslation}  hasTranslation  Check if there is a translation for a given string.
 */

/**
 * Create an i18n instance
 *
 * @param {LocaleData} [initialData]   Locale data configuration.
 * @param {string}     [initialDomain] Domain for which configuration applies.
 * @param {Hooks}      [hooks]         Hooks implementation.
 *
 * @return {I18n} I18n instance.
 */
const createI18n = (initialData, initialDomain, hooks) => {
  /**
   * The underlying instance of Tannin to which exported functions interface.
   *
   * @type {Tannin}
   */
  const tannin = new _tannin.default({});
  const listeners = new Set();
  const notifyListeners = () => {
    listeners.forEach(listener => listener());
  };

  /**
   * Subscribe to changes of locale data.
   *
   * @param {SubscribeCallback} callback Subscription callback.
   * @return {UnsubscribeCallback} Unsubscribe callback.
   */
  const subscribe = callback => {
    listeners.add(callback);
    return () => listeners.delete(callback);
  };

  /** @type {GetLocaleData} */
  const getLocaleData = (domain = 'default') => tannin.data[domain];

  /**
   * @param {LocaleData} [data]
   * @param {string}     [domain]
   */
  const doSetLocaleData = (data, domain = 'default') => {
    tannin.data[domain] = {
      ...tannin.data[domain],
      ...data
    };

    // Populate default domain configuration (supported locale date which omits
    // a plural forms expression).
    tannin.data[domain][''] = {
      ...DEFAULT_LOCALE_DATA[''],
      ...tannin.data[domain]?.['']
    };

    // Clean up cached plural forms functions cache as it might be updated.
    delete tannin.pluralForms[domain];
  };

  /** @type {SetLocaleData} */
  const setLocaleData = (data, domain) => {
    doSetLocaleData(data, domain);
    notifyListeners();
  };

  /** @type {AddLocaleData} */
  const addLocaleData = (data, domain = 'default') => {
    tannin.data[domain] = {
      ...tannin.data[domain],
      ...data,
      // Populate default domain configuration (supported locale date which omits
      // a plural forms expression).
      '': {
        ...DEFAULT_LOCALE_DATA[''],
        ...tannin.data[domain]?.[''],
        ...data?.['']
      }
    };

    // Clean up cached plural forms functions cache as it might be updated.
    delete tannin.pluralForms[domain];
    notifyListeners();
  };

  /** @type {ResetLocaleData} */
  const resetLocaleData = (data, domain) => {
    // Reset all current Tannin locale data.
    tannin.data = {};

    // Reset cached plural forms functions cache.
    tannin.pluralForms = {};
    setLocaleData(data, domain);
  };

  /**
   * Wrapper for Tannin's `dcnpgettext`. Populates default locale data if not
   * otherwise previously assigned.
   *
   * @param {string|undefined} domain   Domain to retrieve the translated text.
   * @param {string|undefined} context  Context information for the translators.
   * @param {string}           single   Text to translate if non-plural. Used as
   *                                    fallback return value on a caught error.
   * @param {string}           [plural] The text to be used if the number is
   *                                    plural.
   * @param {number}           [number] The number to compare against to use
   *                                    either the singular or plural form.
   *
   * @return {string} The translated string.
   */
  const dcnpgettext = (domain = 'default', context, single, plural, number) => {
    if (!tannin.data[domain]) {
      // Use `doSetLocaleData` to set silently, without notifying listeners.
      doSetLocaleData(undefined, domain);
    }
    return tannin.dcnpgettext(domain, context, single, plural, number);
  };

  /** @type {GetFilterDomain} */
  const getFilterDomain = (domain = 'default') => domain;

  /** @type {__} */
  const __ = (text, domain) => {
    let translation = dcnpgettext(domain, undefined, text);
    if (!hooks) {
      return translation;
    }

    /**
     * Filters text with its translation.
     *
     * @param {string} translation Translated text.
     * @param {string} text        Text to translate.
     * @param {string} domain      Text domain. Unique identifier for retrieving translated strings.
     */
    translation = /** @type {string} */
    /** @type {*} */hooks.applyFilters('i18n.gettext', translation, text, domain);
    return /** @type {string} */ /** @type {*} */hooks.applyFilters('i18n.gettext_' + getFilterDomain(domain), translation, text, domain);
  };

  /** @type {_x} */
  const _x = (text, context, domain) => {
    let translation = dcnpgettext(domain, context, text);
    if (!hooks) {
      return translation;
    }

    /**
     * Filters text with its translation based on context information.
     *
     * @param {string} translation Translated text.
     * @param {string} text        Text to translate.
     * @param {string} context     Context information for the translators.
     * @param {string} domain      Text domain. Unique identifier for retrieving translated strings.
     */
    translation = /** @type {string} */
    /** @type {*} */hooks.applyFilters('i18n.gettext_with_context', translation, text, context, domain);
    return /** @type {string} */ /** @type {*} */hooks.applyFilters('i18n.gettext_with_context_' + getFilterDomain(domain), translation, text, context, domain);
  };

  /** @type {_n} */
  const _n = (single, plural, number, domain) => {
    let translation = dcnpgettext(domain, undefined, single, plural, number);
    if (!hooks) {
      return translation;
    }

    /**
     * Filters the singular or plural form of a string.
     *
     * @param {string} translation Translated text.
     * @param {string} single      The text to be used if the number is singular.
     * @param {string} plural      The text to be used if the number is plural.
     * @param {string} number      The number to compare against to use either the singular or plural form.
     * @param {string} domain      Text domain. Unique identifier for retrieving translated strings.
     */
    translation = /** @type {string} */
    /** @type {*} */hooks.applyFilters('i18n.ngettext', translation, single, plural, number, domain);
    return /** @type {string} */ /** @type {*} */hooks.applyFilters('i18n.ngettext_' + getFilterDomain(domain), translation, single, plural, number, domain);
  };

  /** @type {_nx} */
  const _nx = (single, plural, number, context, domain) => {
    let translation = dcnpgettext(domain, context, single, plural, number);
    if (!hooks) {
      return translation;
    }

    /**
     * Filters the singular or plural form of a string with gettext context.
     *
     * @param {string} translation Translated text.
     * @param {string} single      The text to be used if the number is singular.
     * @param {string} plural      The text to be used if the number is plural.
     * @param {string} number      The number to compare against to use either the singular or plural form.
     * @param {string} context     Context information for the translators.
     * @param {string} domain      Text domain. Unique identifier for retrieving translated strings.
     */
    translation = /** @type {string} */
    /** @type {*} */hooks.applyFilters('i18n.ngettext_with_context', translation, single, plural, number, context, domain);
    return /** @type {string} */ /** @type {*} */hooks.applyFilters('i18n.ngettext_with_context_' + getFilterDomain(domain), translation, single, plural, number, context, domain);
  };

  /** @type {IsRtl} */
  const isRTL = () => {
    return 'rtl' === _x('ltr', 'text direction');
  };

  /** @type {HasTranslation} */
  const hasTranslation = (single, context, domain) => {
    const key = context ? context + '\u0004' + single : single;
    let result = !!tannin.data?.[domain !== null && domain !== void 0 ? domain : 'default']?.[key];
    if (hooks) {
      /**
       * Filters the presence of a translation in the locale data.
       *
       * @param {boolean} hasTranslation Whether the translation is present or not..
       * @param {string}  single         The singular form of the translated text (used as key in locale data)
       * @param {string}  context        Context information for the translators.
       * @param {string}  domain         Text domain. Unique identifier for retrieving translated strings.
       */
      result = /** @type { boolean } */
      /** @type {*} */hooks.applyFilters('i18n.has_translation', result, single, context, domain);
      result = /** @type { boolean } */
      /** @type {*} */hooks.applyFilters('i18n.has_translation_' + getFilterDomain(domain), result, single, context, domain);
    }
    return result;
  };
  if (initialData) {
    setLocaleData(initialData, initialDomain);
  }
  if (hooks) {
    /**
     * @param {string} hookName
     */
    const onHookAddedOrRemoved = hookName => {
      if (I18N_HOOK_REGEXP.test(hookName)) {
        notifyListeners();
      }
    };
    hooks.addAction('hookAdded', 'core/i18n', onHookAddedOrRemoved);
    hooks.addAction('hookRemoved', 'core/i18n', onHookAddedOrRemoved);
  }
  return {
    getLocaleData,
    setLocaleData,
    addLocaleData,
    resetLocaleData,
    subscribe,
    __,
    _x,
    _n,
    _nx,
    isRTL,
    hasTranslation
  };
};
exports.createI18n = createI18n;

},{"@babel/runtime/helpers/interopRequireDefault":2,"tannin":25}],19:[function(require,module,exports){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.subscribe = exports.setLocaleData = exports.resetLocaleData = exports.isRTL = exports.hasTranslation = exports.getLocaleData = exports.default = exports._x = exports._nx = exports._n = exports.__ = void 0;
var _createI18n = require("./create-i18n");
var _hooks = require("@wordpress/hooks");
/**
 * Internal dependencies
 */

/**
 * WordPress dependencies
 */

const i18n = (0, _createI18n.createI18n)(undefined, undefined, _hooks.defaultHooks);

/**
 * Default, singleton instance of `I18n`.
 */
var _default = exports.default = i18n;
/*
 * Comments in this file are duplicated from ./i18n due to
 * https://github.com/WordPress/gutenberg/pull/20318#issuecomment-590837722
 */
/**
 * @typedef {import('./create-i18n').LocaleData} LocaleData
 * @typedef {import('./create-i18n').SubscribeCallback} SubscribeCallback
 * @typedef {import('./create-i18n').UnsubscribeCallback} UnsubscribeCallback
 */
/**
 * Returns locale data by domain in a Jed-formatted JSON object shape.
 *
 * @see http://messageformat.github.io/Jed/
 *
 * @param {string} [domain] Domain for which to get the data.
 * @return {LocaleData} Locale data.
 */
const getLocaleData = exports.getLocaleData = i18n.getLocaleData.bind(i18n);

/**
 * Merges locale data into the Tannin instance by domain. Accepts data in a
 * Jed-formatted JSON object shape.
 *
 * @see http://messageformat.github.io/Jed/
 *
 * @param {LocaleData} [data]   Locale data configuration.
 * @param {string}     [domain] Domain for which configuration applies.
 */
const setLocaleData = exports.setLocaleData = i18n.setLocaleData.bind(i18n);

/**
 * Resets all current Tannin instance locale data and sets the specified
 * locale data for the domain. Accepts data in a Jed-formatted JSON object shape.
 *
 * @see http://messageformat.github.io/Jed/
 *
 * @param {LocaleData} [data]   Locale data configuration.
 * @param {string}     [domain] Domain for which configuration applies.
 */
const resetLocaleData = exports.resetLocaleData = i18n.resetLocaleData.bind(i18n);

/**
 * Subscribes to changes of locale data
 *
 * @param {SubscribeCallback} callback Subscription callback
 * @return {UnsubscribeCallback} Unsubscribe callback
 */
const subscribe = exports.subscribe = i18n.subscribe.bind(i18n);

/**
 * Retrieve the translation of text.
 *
 * @see https://developer.wordpress.org/reference/functions/__/
 *
 * @param {string} text     Text to translate.
 * @param {string} [domain] Domain to retrieve the translated text.
 *
 * @return {string} Translated text.
 */
const __ = exports.__ = i18n.__.bind(i18n);

/**
 * Retrieve translated string with gettext context.
 *
 * @see https://developer.wordpress.org/reference/functions/_x/
 *
 * @param {string} text     Text to translate.
 * @param {string} context  Context information for the translators.
 * @param {string} [domain] Domain to retrieve the translated text.
 *
 * @return {string} Translated context string without pipe.
 */
const _x = exports._x = i18n._x.bind(i18n);

/**
 * Translates and retrieves the singular or plural form based on the supplied
 * number.
 *
 * @see https://developer.wordpress.org/reference/functions/_n/
 *
 * @param {string} single   The text to be used if the number is singular.
 * @param {string} plural   The text to be used if the number is plural.
 * @param {number} number   The number to compare against to use either the
 *                          singular or plural form.
 * @param {string} [domain] Domain to retrieve the translated text.
 *
 * @return {string} The translated singular or plural form.
 */
const _n = exports._n = i18n._n.bind(i18n);

/**
 * Translates and retrieves the singular or plural form based on the supplied
 * number, with gettext context.
 *
 * @see https://developer.wordpress.org/reference/functions/_nx/
 *
 * @param {string} single   The text to be used if the number is singular.
 * @param {string} plural   The text to be used if the number is plural.
 * @param {number} number   The number to compare against to use either the
 *                          singular or plural form.
 * @param {string} context  Context information for the translators.
 * @param {string} [domain] Domain to retrieve the translated text.
 *
 * @return {string} The translated singular or plural form.
 */
const _nx = exports._nx = i18n._nx.bind(i18n);

/**
 * Check if current locale is RTL.
 *
 * **RTL (Right To Left)** is a locale property indicating that text is written from right to left.
 * For example, the `he` locale (for Hebrew) specifies right-to-left. Arabic (ar) is another common
 * language written RTL. The opposite of RTL, LTR (Left To Right) is used in other languages,
 * including English (`en`, `en-US`, `en-GB`, etc.), Spanish (`es`), and French (`fr`).
 *
 * @return {boolean} Whether locale is RTL.
 */
const isRTL = exports.isRTL = i18n.isRTL.bind(i18n);

/**
 * Check if there is a translation for a given string (in singular form).
 *
 * @param {string} single    Singular form of the string to look up.
 * @param {string} [context] Context information for the translators.
 * @param {string} [domain]  Domain to retrieve the translated text.
 * @return {boolean} Whether the translation exists or not.
 */
const hasTranslation = exports.hasTranslation = i18n.hasTranslation.bind(i18n);

},{"./create-i18n":18,"@wordpress/hooks":15}],20:[function(require,module,exports){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
var _exportNames = {
  sprintf: true,
  defaultI18n: true,
  setLocaleData: true,
  resetLocaleData: true,
  getLocaleData: true,
  subscribe: true,
  __: true,
  _x: true,
  _n: true,
  _nx: true,
  isRTL: true,
  hasTranslation: true
};
Object.defineProperty(exports, "__", {
  enumerable: true,
  get: function () {
    return _defaultI18n.__;
  }
});
Object.defineProperty(exports, "_n", {
  enumerable: true,
  get: function () {
    return _defaultI18n._n;
  }
});
Object.defineProperty(exports, "_nx", {
  enumerable: true,
  get: function () {
    return _defaultI18n._nx;
  }
});
Object.defineProperty(exports, "_x", {
  enumerable: true,
  get: function () {
    return _defaultI18n._x;
  }
});
Object.defineProperty(exports, "defaultI18n", {
  enumerable: true,
  get: function () {
    return _defaultI18n.default;
  }
});
Object.defineProperty(exports, "getLocaleData", {
  enumerable: true,
  get: function () {
    return _defaultI18n.getLocaleData;
  }
});
Object.defineProperty(exports, "hasTranslation", {
  enumerable: true,
  get: function () {
    return _defaultI18n.hasTranslation;
  }
});
Object.defineProperty(exports, "isRTL", {
  enumerable: true,
  get: function () {
    return _defaultI18n.isRTL;
  }
});
Object.defineProperty(exports, "resetLocaleData", {
  enumerable: true,
  get: function () {
    return _defaultI18n.resetLocaleData;
  }
});
Object.defineProperty(exports, "setLocaleData", {
  enumerable: true,
  get: function () {
    return _defaultI18n.setLocaleData;
  }
});
Object.defineProperty(exports, "sprintf", {
  enumerable: true,
  get: function () {
    return _sprintf.sprintf;
  }
});
Object.defineProperty(exports, "subscribe", {
  enumerable: true,
  get: function () {
    return _defaultI18n.subscribe;
  }
});
var _sprintf = require("./sprintf");
var _createI18n = require("./create-i18n");
Object.keys(_createI18n).forEach(function (key) {
  if (key === "default" || key === "__esModule") return;
  if (Object.prototype.hasOwnProperty.call(_exportNames, key)) return;
  if (key in exports && exports[key] === _createI18n[key]) return;
  Object.defineProperty(exports, key, {
    enumerable: true,
    get: function () {
      return _createI18n[key];
    }
  });
});
var _defaultI18n = _interopRequireWildcard(require("./default-i18n"));
function _getRequireWildcardCache(e) {
  if ("function" != typeof WeakMap) return null;
  var r = new WeakMap(),
    t = new WeakMap();
  return (_getRequireWildcardCache = function (e) {
    return e ? t : r;
  })(e);
}
function _interopRequireWildcard(e, r) {
  if (!r && e && e.__esModule) return e;
  if (null === e || "object" != typeof e && "function" != typeof e) return {
    default: e
  };
  var t = _getRequireWildcardCache(r);
  if (t && t.has(e)) return t.get(e);
  var n = {
      __proto__: null
    },
    a = Object.defineProperty && Object.getOwnPropertyDescriptor;
  for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) {
    var i = a ? Object.getOwnPropertyDescriptor(e, u) : null;
    i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u];
  }
  return n.default = e, t && t.set(e, n), n;
}

},{"./create-i18n":18,"./default-i18n":19,"./sprintf":21}],21:[function(require,module,exports){
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.sprintf = sprintf;
var _memize = _interopRequireDefault(require("memize"));
var _sprintfJs = _interopRequireDefault(require("sprintf-js"));
/**
 * External dependencies
 */

/**
 * Log to console, once per message; or more precisely, per referentially equal
 * argument set. Because Jed throws errors, we log these to the console instead
 * to avoid crashing the application.
 *
 * @param {...*} args Arguments to pass to `console.error`
 */
const logErrorOnce = (0, _memize.default)(console.error); // eslint-disable-line no-console

/**
 * Returns a formatted string. If an error occurs in applying the format, the
 * original format string is returned.
 *
 * @param {string} format The format of the string to generate.
 * @param {...*}   args   Arguments to apply to the format.
 *
 * @see https://www.npmjs.com/package/sprintf-js
 *
 * @return {string} The formatted string.
 */
function sprintf(format, ...args) {
  try {
    return _sprintfJs.default.sprintf(format, ...args);
  } catch (error) {
    if (error instanceof Error) {
      logErrorOnce('sprintf error: \n\n' + error.toString());
    }
    return format;
  }
}

},{"@babel/runtime/helpers/interopRequireDefault":2,"memize":22,"sprintf-js":24}],22:[function(require,module,exports){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = memize;
/**
 * Memize options object.
 *
 * @typedef MemizeOptions
 *
 * @property {number} [maxSize] Maximum size of the cache.
 */

/**
 * Internal cache entry.
 *
 * @typedef MemizeCacheNode
 *
 * @property {?MemizeCacheNode|undefined} [prev] Previous node.
 * @property {?MemizeCacheNode|undefined} [next] Next node.
 * @property {Array<*>}                   args   Function arguments for cache
 *                                               entry.
 * @property {*}                          val    Function result.
 */

/**
 * Properties of the enhanced function for controlling cache.
 *
 * @typedef MemizeMemoizedFunction
 *
 * @property {()=>void} clear Clear the cache.
 */

/**
 * Accepts a function to be memoized, and returns a new memoized function, with
 * optional options.
 *
 * @template {(...args: any[]) => any} F
 *
 * @param {F}             fn        Function to memoize.
 * @param {MemizeOptions} [options] Options object.
 *
 * @return {((...args: Parameters<F>) => ReturnType<F>) & MemizeMemoizedFunction} Memoized function.
 */
function memize(fn, options) {
  var size = 0;

  /** @type {?MemizeCacheNode|undefined} */
  var head;

  /** @type {?MemizeCacheNode|undefined} */
  var tail;
  options = options || {};
  function memoized(/* ...args */
  ) {
    var node = head,
      len = arguments.length,
      args,
      i;
    searchCache: while (node) {
      // Perform a shallow equality test to confirm that whether the node
      // under test is a candidate for the arguments passed. Two arrays
      // are shallowly equal if their length matches and each entry is
      // strictly equal between the two sets. Avoid abstracting to a
      // function which could incur an arguments leaking deoptimization.

      // Check whether node arguments match arguments length
      if (node.args.length !== arguments.length) {
        node = node.next;
        continue;
      }

      // Check whether node arguments match arguments values
      for (i = 0; i < len; i++) {
        if (node.args[i] !== arguments[i]) {
          node = node.next;
          continue searchCache;
        }
      }

      // At this point we can assume we've found a match

      // Surface matched node to head if not already
      if (node !== head) {
        // As tail, shift to previous. Must only shift if not also
        // head, since if both head and tail, there is no previous.
        if (node === tail) {
          tail = node.prev;
        }

        // Adjust siblings to point to each other. If node was tail,
        // this also handles new tail's empty `next` assignment.
        /** @type {MemizeCacheNode} */
        node.prev.next = node.next;
        if (node.next) {
          node.next.prev = node.prev;
        }
        node.next = head;
        node.prev = null;
        /** @type {MemizeCacheNode} */
        head.prev = node;
        head = node;
      }

      // Return immediately
      return node.val;
    }

    // No cached value found. Continue to insertion phase:

    // Create a copy of arguments (avoid leaking deoptimization)
    args = new Array(len);
    for (i = 0; i < len; i++) {
      args[i] = arguments[i];
    }
    node = {
      args: args,
      // Generate the result from original function
      val: fn.apply(null, args)
    };

    // Don't need to check whether node is already head, since it would
    // have been returned above already if it was

    // Shift existing head down list
    if (head) {
      head.prev = node;
      node.next = head;
    } else {
      // If no head, follows that there's no tail (at initial or reset)
      tail = node;
    }

    // Trim tail if we're reached max size and are pending cache insertion
    if (size === /** @type {MemizeOptions} */options.maxSize) {
      tail = /** @type {MemizeCacheNode} */tail.prev;
      /** @type {MemizeCacheNode} */
      tail.next = null;
    } else {
      size++;
    }
    head = node;
    return node.val;
  }
  memoized.clear = function () {
    head = null;
    tail = null;
    size = 0;
  };

  // Ignore reason: There's not a clear solution to create an intersection of
  // the function with additional properties, where the goal is to retain the
  // function signature of the incoming argument and add control properties
  // on the return value.

  // @ts-ignore
  return memoized;
}

},{}],23:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;

process.listeners = function (name) { return [] }

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };

},{}],24:[function(require,module,exports){
/* global window, exports, define */

!function() {
    'use strict'

    var re = {
        not_string: /[^s]/,
        not_bool: /[^t]/,
        not_type: /[^T]/,
        not_primitive: /[^v]/,
        number: /[diefg]/,
        numeric_arg: /[bcdiefguxX]/,
        json: /[j]/,
        not_json: /[^j]/,
        text: /^[^\x25]+/,
        modulo: /^\x25{2}/,
        placeholder: /^\x25(?:([1-9]\d*)\$|\(([^)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-gijostTuvxX])/,
        key: /^([a-z_][a-z_\d]*)/i,
        key_access: /^\.([a-z_][a-z_\d]*)/i,
        index_access: /^\[(\d+)\]/,
        sign: /^[+-]/
    }

    function sprintf(key) {
        // `arguments` is not an array, but should be fine for this call
        return sprintf_format(sprintf_parse(key), arguments)
    }

    function vsprintf(fmt, argv) {
        return sprintf.apply(null, [fmt].concat(argv || []))
    }

    function sprintf_format(parse_tree, argv) {
        var cursor = 1, tree_length = parse_tree.length, arg, output = '', i, k, ph, pad, pad_character, pad_length, is_positive, sign
        for (i = 0; i < tree_length; i++) {
            if (typeof parse_tree[i] === 'string') {
                output += parse_tree[i]
            }
            else if (typeof parse_tree[i] === 'object') {
                ph = parse_tree[i] // convenience purposes only
                if (ph.keys) { // keyword argument
                    arg = argv[cursor]
                    for (k = 0; k < ph.keys.length; k++) {
                        if (arg == undefined) {
                            throw new Error(sprintf('[sprintf] Cannot access property "%s" of undefined value "%s"', ph.keys[k], ph.keys[k-1]))
                        }
                        arg = arg[ph.keys[k]]
                    }
                }
                else if (ph.param_no) { // positional argument (explicit)
                    arg = argv[ph.param_no]
                }
                else { // positional argument (implicit)
                    arg = argv[cursor++]
                }

                if (re.not_type.test(ph.type) && re.not_primitive.test(ph.type) && arg instanceof Function) {
                    arg = arg()
                }

                if (re.numeric_arg.test(ph.type) && (typeof arg !== 'number' && isNaN(arg))) {
                    throw new TypeError(sprintf('[sprintf] expecting number but found %T', arg))
                }

                if (re.number.test(ph.type)) {
                    is_positive = arg >= 0
                }

                switch (ph.type) {
                    case 'b':
                        arg = parseInt(arg, 10).toString(2)
                        break
                    case 'c':
                        arg = String.fromCharCode(parseInt(arg, 10))
                        break
                    case 'd':
                    case 'i':
                        arg = parseInt(arg, 10)
                        break
                    case 'j':
                        arg = JSON.stringify(arg, null, ph.width ? parseInt(ph.width) : 0)
                        break
                    case 'e':
                        arg = ph.precision ? parseFloat(arg).toExponential(ph.precision) : parseFloat(arg).toExponential()
                        break
                    case 'f':
                        arg = ph.precision ? parseFloat(arg).toFixed(ph.precision) : parseFloat(arg)
                        break
                    case 'g':
                        arg = ph.precision ? String(Number(arg.toPrecision(ph.precision))) : parseFloat(arg)
                        break
                    case 'o':
                        arg = (parseInt(arg, 10) >>> 0).toString(8)
                        break
                    case 's':
                        arg = String(arg)
                        arg = (ph.precision ? arg.substring(0, ph.precision) : arg)
                        break
                    case 't':
                        arg = String(!!arg)
                        arg = (ph.precision ? arg.substring(0, ph.precision) : arg)
                        break
                    case 'T':
                        arg = Object.prototype.toString.call(arg).slice(8, -1).toLowerCase()
                        arg = (ph.precision ? arg.substring(0, ph.precision) : arg)
                        break
                    case 'u':
                        arg = parseInt(arg, 10) >>> 0
                        break
                    case 'v':
                        arg = arg.valueOf()
                        arg = (ph.precision ? arg.substring(0, ph.precision) : arg)
                        break
                    case 'x':
                        arg = (parseInt(arg, 10) >>> 0).toString(16)
                        break
                    case 'X':
                        arg = (parseInt(arg, 10) >>> 0).toString(16).toUpperCase()
                        break
                }
                if (re.json.test(ph.type)) {
                    output += arg
                }
                else {
                    if (re.number.test(ph.type) && (!is_positive || ph.sign)) {
                        sign = is_positive ? '+' : '-'
                        arg = arg.toString().replace(re.sign, '')
                    }
                    else {
                        sign = ''
                    }
                    pad_character = ph.pad_char ? ph.pad_char === '0' ? '0' : ph.pad_char.charAt(1) : ' '
                    pad_length = ph.width - (sign + arg).length
                    pad = ph.width ? (pad_length > 0 ? pad_character.repeat(pad_length) : '') : ''
                    output += ph.align ? sign + arg + pad : (pad_character === '0' ? sign + pad + arg : pad + sign + arg)
                }
            }
        }
        return output
    }

    var sprintf_cache = Object.create(null)

    function sprintf_parse(fmt) {
        if (sprintf_cache[fmt]) {
            return sprintf_cache[fmt]
        }

        var _fmt = fmt, match, parse_tree = [], arg_names = 0
        while (_fmt) {
            if ((match = re.text.exec(_fmt)) !== null) {
                parse_tree.push(match[0])
            }
            else if ((match = re.modulo.exec(_fmt)) !== null) {
                parse_tree.push('%')
            }
            else if ((match = re.placeholder.exec(_fmt)) !== null) {
                if (match[2]) {
                    arg_names |= 1
                    var field_list = [], replacement_field = match[2], field_match = []
                    if ((field_match = re.key.exec(replacement_field)) !== null) {
                        field_list.push(field_match[1])
                        while ((replacement_field = replacement_field.substring(field_match[0].length)) !== '') {
                            if ((field_match = re.key_access.exec(replacement_field)) !== null) {
                                field_list.push(field_match[1])
                            }
                            else if ((field_match = re.index_access.exec(replacement_field)) !== null) {
                                field_list.push(field_match[1])
                            }
                            else {
                                throw new SyntaxError('[sprintf] failed to parse named argument key')
                            }
                        }
                    }
                    else {
                        throw new SyntaxError('[sprintf] failed to parse named argument key')
                    }
                    match[2] = field_list
                }
                else {
                    arg_names |= 2
                }
                if (arg_names === 3) {
                    throw new Error('[sprintf] mixing positional and named placeholders is not (yet) supported')
                }

                parse_tree.push(
                    {
                        placeholder: match[0],
                        param_no:    match[1],
                        keys:        match[2],
                        sign:        match[3],
                        pad_char:    match[4],
                        align:       match[5],
                        width:       match[6],
                        precision:   match[7],
                        type:        match[8]
                    }
                )
            }
            else {
                throw new SyntaxError('[sprintf] unexpected placeholder')
            }
            _fmt = _fmt.substring(match[0].length)
        }
        return sprintf_cache[fmt] = parse_tree
    }

    /**
     * export to either browser or node.js
     */
    /* eslint-disable quote-props */
    if (typeof exports !== 'undefined') {
        exports['sprintf'] = sprintf
        exports['vsprintf'] = vsprintf
    }
    if (typeof window !== 'undefined') {
        window['sprintf'] = sprintf
        window['vsprintf'] = vsprintf

        if (typeof define === 'function' && define['amd']) {
            define(function() {
                return {
                    'sprintf': sprintf,
                    'vsprintf': vsprintf
                }
            })
        }
    }
    /* eslint-enable quote-props */
}(); // eslint-disable-line

},{}],25:[function(require,module,exports){
'use strict';

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var pluralForms = _interopDefault(require('@tannin/plural-forms'));

/**
 * Tannin constructor options.
 *
 * @typedef {Object} TanninOptions
 *
 * @property {string}   [contextDelimiter] Joiner in string lookup with context.
 * @property {Function} [onMissingKey]     Callback to invoke when key missing.
 */

/**
 * Domain metadata.
 *
 * @typedef {Object} TanninDomainMetadata
 *
 * @property {string}            [domain]       Domain name.
 * @property {string}            [lang]         Language code.
 * @property {(string|Function)} [plural_forms] Plural forms expression or
 *                                              function evaluator.
 */

/**
 * Domain translation pair respectively representing the singular and plural
 * translation.
 *
 * @typedef {[string,string]} TanninTranslation
 */

/**
 * Locale data domain. The key is used as reference for lookup, the value an
 * array of two string entries respectively representing the singular and plural
 * translation.
 *
 * @typedef {{[key:string]:TanninDomainMetadata|TanninTranslation,'':TanninDomainMetadata|TanninTranslation}} TanninLocaleDomain
 */

/**
 * Jed-formatted locale data.
 *
 * @see http://messageformat.github.io/Jed/
 *
 * @typedef {{[domain:string]:TanninLocaleDomain}} TanninLocaleData
 */

/**
 * Default Tannin constructor options.
 *
 * @type {TanninOptions}
 */
var DEFAULT_OPTIONS = {
	contextDelimiter: '\u0004',
	onMissingKey: null,
};

/**
 * Given a specific locale data's config `plural_forms` value, returns the
 * expression.
 *
 * @example
 *
 * ```
 * getPluralExpression( 'nplurals=2; plural=(n != 1);' ) === '(n != 1)'
 * ```
 *
 * @param {string} pf Locale data plural forms.
 *
 * @return {string} Plural forms expression.
 */
function getPluralExpression( pf ) {
	var parts, i, part;

	parts = pf.split( ';' );

	for ( i = 0; i < parts.length; i++ ) {
		part = parts[ i ].trim();
		if ( part.indexOf( 'plural=' ) === 0 ) {
			return part.substr( 7 );
		}
	}
}

/**
 * Tannin constructor.
 *
 * @class
 *
 * @param {TanninLocaleData} data      Jed-formatted locale data.
 * @param {TanninOptions}    [options] Tannin options.
 */
function Tannin( data, options ) {
	var key;

	/**
	 * Jed-formatted locale data.
	 *
	 * @name Tannin#data
	 * @type {TanninLocaleData}
	 */
	this.data = data;

	/**
	 * Plural forms function cache, keyed by plural forms string.
	 *
	 * @name Tannin#pluralForms
	 * @type {Object<string,Function>}
	 */
	this.pluralForms = {};

	/**
	 * Effective options for instance, including defaults.
	 *
	 * @name Tannin#options
	 * @type {TanninOptions}
	 */
	this.options = {};

	for ( key in DEFAULT_OPTIONS ) {
		this.options[ key ] = options !== undefined && key in options
			? options[ key ]
			: DEFAULT_OPTIONS[ key ];
	}
}

/**
 * Returns the plural form index for the given domain and value.
 *
 * @param {string} domain Domain on which to calculate plural form.
 * @param {number} n      Value for which plural form is to be calculated.
 *
 * @return {number} Plural form index.
 */
Tannin.prototype.getPluralForm = function( domain, n ) {
	var getPluralForm = this.pluralForms[ domain ],
		config, plural, pf;

	if ( ! getPluralForm ) {
		config = this.data[ domain ][ '' ];

		pf = (
			config[ 'Plural-Forms' ] ||
			config[ 'plural-forms' ] ||
			// Ignore reason: As known, there's no way to document the empty
			// string property on a key to guarantee this as metadata.
			// @ts-ignore
			config.plural_forms
		);

		if ( typeof pf !== 'function' ) {
			plural = getPluralExpression(
				config[ 'Plural-Forms' ] ||
				config[ 'plural-forms' ] ||
				// Ignore reason: As known, there's no way to document the empty
				// string property on a key to guarantee this as metadata.
				// @ts-ignore
				config.plural_forms
			);

			pf = pluralForms( plural );
		}

		getPluralForm = this.pluralForms[ domain ] = pf;
	}

	return getPluralForm( n );
};

/**
 * Translate a string.
 *
 * @param {string}      domain   Translation domain.
 * @param {string|void} context  Context distinguishing terms of the same name.
 * @param {string}      singular Primary key for translation lookup.
 * @param {string=}     plural   Fallback value used for non-zero plural
 *                               form index.
 * @param {number=}     n        Value to use in calculating plural form.
 *
 * @return {string} Translated string.
 */
Tannin.prototype.dcnpgettext = function( domain, context, singular, plural, n ) {
	var index, key, entry;

	if ( n === undefined ) {
		// Default to singular.
		index = 0;
	} else {
		// Find index by evaluating plural form for value.
		index = this.getPluralForm( domain, n );
	}

	key = singular;

	// If provided, context is prepended to key with delimiter.
	if ( context ) {
		key = context + this.options.contextDelimiter + singular;
	}

	entry = this.data[ domain ][ key ];

	// Verify not only that entry exists, but that the intended index is within
	// range and non-empty.
	if ( entry && entry[ index ] ) {
		return entry[ index ];
	}

	if ( this.options.onMissingKey ) {
		this.options.onMissingKey( singular, domain );
	}

	// If entry not found, fall back to singular vs. plural with zero index
	// representing the singular value.
	return index === 0 ? singular : plural;
};

module.exports = Tannin;

},{"@tannin/plural-forms":5}]},{},[1]);
