AbstractRange.js
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"use strict";
const conversions = require("webidl-conversions");
const utils = require("./utils.js");
const impl = utils.implSymbol;
const ctorRegistry = utils.ctorRegistrySymbol;
const interfaceName = "AbstractRange";
/**
* When an interface-module that implements this interface as a mixin is loaded, it will append its own `.is()`
* method into this array. It allows objects that directly implements *those* interfaces to be recognized as
* implementing this mixin interface.
*/
exports._mixedIntoPredicates = [];
exports.is = function is(obj) {
if (obj) {
if (utils.hasOwn(obj, impl) && obj[impl] instanceof Impl.implementation) {
return true;
}
for (const isMixedInto of exports._mixedIntoPredicates) {
if (isMixedInto(obj)) {
return true;
}
}
}
return false;
};
exports.isImpl = function isImpl(obj) {
if (obj) {
if (obj instanceof Impl.implementation) {
return true;
}
const wrapper = utils.wrapperForImpl(obj);
for (const isMixedInto of exports._mixedIntoPredicates) {
if (isMixedInto(wrapper)) {
return true;
}
}
}
return false;
};
exports.convert = function convert(obj, { context = "The provided value" } = {}) {
if (exports.is(obj)) {
return utils.implForWrapper(obj);
}
throw new TypeError(`${context} is not of type 'AbstractRange'.`);
};
exports.create = function create(globalObject, constructorArgs, privateData) {
if (globalObject[ctorRegistry] === undefined) {
throw new Error("Internal error: invalid global object");
}
const ctor = globalObject[ctorRegistry]["AbstractRange"];
if (ctor === undefined) {
throw new Error("Internal error: constructor AbstractRange is not installed on the passed global object");
}
let obj = Object.create(ctor.prototype);
obj = exports.setup(obj, globalObject, constructorArgs, privateData);
return obj;
};
exports.createImpl = function createImpl(globalObject, constructorArgs, privateData) {
const obj = exports.create(globalObject, constructorArgs, privateData);
return utils.implForWrapper(obj);
};
exports._internalSetup = function _internalSetup(obj) {};
exports.setup = function setup(obj, globalObject, constructorArgs = [], privateData = {}) {
privateData.wrapper = obj;
exports._internalSetup(obj);
Object.defineProperty(obj, impl, {
value: new Impl.implementation(globalObject, constructorArgs, privateData),
configurable: true
});
obj[impl][utils.wrapperSymbol] = obj;
if (Impl.init) {
Impl.init(obj[impl], privateData);
}
return obj;
};
exports.install = function install(globalObject) {
class AbstractRange {
constructor() {
throw new TypeError("Illegal constructor");
}
get startContainer() {
if (!this || !exports.is(this)) {
throw new TypeError("Illegal invocation");
}
return utils.tryWrapperForImpl(this[impl]["startContainer"]);
}
get startOffset() {
if (!this || !exports.is(this)) {
throw new TypeError("Illegal invocation");
}
return this[impl]["startOffset"];
}
get endContainer() {
if (!this || !exports.is(this)) {
throw new TypeError("Illegal invocation");
}
return utils.tryWrapperForImpl(this[impl]["endContainer"]);
}
get endOffset() {
if (!this || !exports.is(this)) {
throw new TypeError("Illegal invocation");
}
return this[impl]["endOffset"];
}
get collapsed() {
if (!this || !exports.is(this)) {
throw new TypeError("Illegal invocation");
}
return this[impl]["collapsed"];
}
}
Object.defineProperties(AbstractRange.prototype, {
startContainer: { enumerable: true },
startOffset: { enumerable: true },
endContainer: { enumerable: true },
endOffset: { enumerable: true },
collapsed: { enumerable: true },
[Symbol.toStringTag]: { value: "AbstractRange", configurable: true }
});
if (globalObject[ctorRegistry] === undefined) {
globalObject[ctorRegistry] = Object.create(null);
}
globalObject[ctorRegistry][interfaceName] = AbstractRange;
Object.defineProperty(globalObject, interfaceName, {
configurable: true,
writable: true,
value: AbstractRange
});
};
const Impl = require("../range/AbstractRange-impl.js");