project/node_modules/echarts/lib/util/clazz.js

305 lines
10 KiB
JavaScript

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/**
* AUTO-GENERATED FILE. DO NOT MODIFY.
*/
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import { __extends } from "tslib";
import * as zrUtil from 'zrender/lib/core/util.js';
var TYPE_DELIMITER = '.';
var IS_CONTAINER = '___EC__COMPONENT__CONTAINER___';
var IS_EXTENDED_CLASS = '___EC__EXTENDED_CLASS___';
/**
* Notice, parseClassType('') should returns {main: '', sub: ''}
* @public
*/
export function parseClassType(componentType) {
var ret = {
main: '',
sub: ''
};
if (componentType) {
var typeArr = componentType.split(TYPE_DELIMITER);
ret.main = typeArr[0] || '';
ret.sub = typeArr[1] || '';
}
return ret;
}
/**
* @public
*/
function checkClassType(componentType) {
zrUtil.assert(/^[a-zA-Z0-9_]+([.][a-zA-Z0-9_]+)?$/.test(componentType), 'componentType "' + componentType + '" illegal');
}
export function isExtendedClass(clz) {
return !!(clz && clz[IS_EXTENDED_CLASS]);
}
/**
* Implements `ExtendableConstructor` for `rootClz`.
*
* @usage
* ```ts
* class Xxx {}
* type XxxConstructor = typeof Xxx & ExtendableConstructor
* enableClassExtend(Xxx as XxxConstructor);
* ```
*/
export function enableClassExtend(rootClz, mandatoryMethods) {
rootClz.$constructor = rootClz; // FIXME: not necessary?
rootClz.extend = function (proto) {
if (process.env.NODE_ENV !== 'production') {
zrUtil.each(mandatoryMethods, function (method) {
if (!proto[method]) {
console.warn('Method `' + method + '` should be implemented' + (proto.type ? ' in ' + proto.type : '') + '.');
}
});
}
var superClass = this;
var ExtendedClass;
if (isESClass(superClass)) {
ExtendedClass = /** @class */function (_super) {
__extends(class_1, _super);
function class_1() {
return _super.apply(this, arguments) || this;
}
return class_1;
}(superClass);
} else {
// For backward compat, we both support ts class inheritance and this
// "extend" approach.
// The constructor should keep the same behavior as ts class inheritance:
// If this constructor/$constructor is not declared, auto invoke the super
// constructor.
// If this constructor/$constructor is declared, it is responsible for
// calling the super constructor.
ExtendedClass = function () {
(proto.$constructor || superClass).apply(this, arguments);
};
zrUtil.inherits(ExtendedClass, this);
}
zrUtil.extend(ExtendedClass.prototype, proto);
ExtendedClass[IS_EXTENDED_CLASS] = true;
ExtendedClass.extend = this.extend;
ExtendedClass.superCall = superCall;
ExtendedClass.superApply = superApply;
ExtendedClass.superClass = superClass;
return ExtendedClass;
};
}
function isESClass(fn) {
return zrUtil.isFunction(fn) && /^class\s/.test(Function.prototype.toString.call(fn));
}
/**
* A work around to both support ts extend and this extend mechanism.
* on sub-class.
* @usage
* ```ts
* class Component { ... }
* classUtil.enableClassExtend(Component);
* classUtil.enableClassManagement(Component, {registerWhenExtend: true});
*
* class Series extends Component { ... }
* // Without calling `markExtend`, `registerWhenExtend` will not work.
* Component.markExtend(Series);
* ```
*/
export function mountExtend(SubClz, SupperClz) {
SubClz.extend = SupperClz.extend;
}
// A random offset.
var classBase = Math.round(Math.random() * 10);
/**
* Implements `CheckableConstructor` for `target`.
* Can not use instanceof, consider different scope by
* cross domain or es module import in ec extensions.
* Mount a method "isInstance()" to Clz.
*
* @usage
* ```ts
* class Xxx {}
* type XxxConstructor = typeof Xxx & CheckableConstructor;
* enableClassCheck(Xxx as XxxConstructor)
* ```
*/
export function enableClassCheck(target) {
var classAttr = ['__\0is_clz', classBase++].join('_');
target.prototype[classAttr] = true;
if (process.env.NODE_ENV !== 'production') {
zrUtil.assert(!target.isInstance, 'The method "is" can not be defined.');
}
target.isInstance = function (obj) {
return !!(obj && obj[classAttr]);
};
}
// superCall should have class info, which can not be fetched from 'this'.
// Consider this case:
// class A has method f,
// class B inherits class A, overrides method f, f call superApply('f'),
// class C inherits class B, does not override method f,
// then when method of class C is called, dead loop occurred.
function superCall(context, methodName) {
var args = [];
for (var _i = 2; _i < arguments.length; _i++) {
args[_i - 2] = arguments[_i];
}
return this.superClass.prototype[methodName].apply(context, args);
}
function superApply(context, methodName, args) {
return this.superClass.prototype[methodName].apply(context, args);
}
/**
* Implements `ClassManager` for `target`
*
* @usage
* ```ts
* class Xxx {}
* type XxxConstructor = typeof Xxx & ClassManager
* enableClassManagement(Xxx as XxxConstructor);
* ```
*/
export function enableClassManagement(target) {
/**
* Component model classes
* key: componentType,
* value:
* componentClass, when componentType is 'a'
* or Object.<subKey, componentClass>, when componentType is 'a.b'
*/
var storage = {};
target.registerClass = function (clz) {
// `type` should not be a "instance member".
// If using TS class, should better declared as `static type = 'series.pie'`.
// otherwise users have to mount `type` on prototype manually.
// For backward compat and enable instance visit type via `this.type`,
// we still support fetch `type` from prototype.
var componentFullType = clz.type || clz.prototype.type;
if (componentFullType) {
checkClassType(componentFullType);
// If only static type declared, we assign it to prototype mandatorily.
clz.prototype.type = componentFullType;
var componentTypeInfo = parseClassType(componentFullType);
if (!componentTypeInfo.sub) {
if (process.env.NODE_ENV !== 'production') {
if (storage[componentTypeInfo.main]) {
console.warn(componentTypeInfo.main + ' exists.');
}
}
storage[componentTypeInfo.main] = clz;
} else if (componentTypeInfo.sub !== IS_CONTAINER) {
var container = makeContainer(componentTypeInfo);
container[componentTypeInfo.sub] = clz;
}
}
return clz;
};
target.getClass = function (mainType, subType, throwWhenNotFound) {
var clz = storage[mainType];
if (clz && clz[IS_CONTAINER]) {
clz = subType ? clz[subType] : null;
}
if (throwWhenNotFound && !clz) {
throw new Error(!subType ? mainType + '.' + 'type should be specified.' : 'Component ' + mainType + '.' + (subType || '') + ' is used but not imported.');
}
return clz;
};
target.getClassesByMainType = function (componentType) {
var componentTypeInfo = parseClassType(componentType);
var result = [];
var obj = storage[componentTypeInfo.main];
if (obj && obj[IS_CONTAINER]) {
zrUtil.each(obj, function (o, type) {
type !== IS_CONTAINER && result.push(o);
});
} else {
result.push(obj);
}
return result;
};
target.hasClass = function (componentType) {
// Just consider componentType.main.
var componentTypeInfo = parseClassType(componentType);
return !!storage[componentTypeInfo.main];
};
/**
* @return Like ['aa', 'bb'], but can not be ['aa.xx']
*/
target.getAllClassMainTypes = function () {
var types = [];
zrUtil.each(storage, function (obj, type) {
types.push(type);
});
return types;
};
/**
* If a main type is container and has sub types
*/
target.hasSubTypes = function (componentType) {
var componentTypeInfo = parseClassType(componentType);
var obj = storage[componentTypeInfo.main];
return obj && obj[IS_CONTAINER];
};
function makeContainer(componentTypeInfo) {
var container = storage[componentTypeInfo.main];
if (!container || !container[IS_CONTAINER]) {
container = storage[componentTypeInfo.main] = {};
container[IS_CONTAINER] = true;
}
return container;
}
}
// /**
// * @param {string|Array.<string>} properties
// */
// export function setReadOnly(obj, properties) {
// FIXME It seems broken in IE8 simulation of IE11
// if (!zrUtil.isArray(properties)) {
// properties = properties != null ? [properties] : [];
// }
// zrUtil.each(properties, function (prop) {
// let value = obj[prop];
// Object.defineProperty
// && Object.defineProperty(obj, prop, {
// value: value, writable: false
// });
// zrUtil.isArray(obj[prop])
// && Object.freeze
// && Object.freeze(obj[prop]);
// });
// }