happy-dom
Version:
Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.
189 lines • 5.67 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const EventTarget_js_1 = __importDefault(require("../../event/EventTarget.cjs"));
const PropertySymbol = __importStar(require("../../PropertySymbol.cjs"));
const crypto_1 = __importDefault(require("crypto"));
const CAPABILITIES = {
aspectRatio: {
max: 300,
min: 0.006666666666666667
},
deviceId: '',
facingMode: [],
frameRate: {
max: 60,
min: 0
},
height: {
max: 150,
min: 1
},
resizeMode: ['none', 'crop-and-scale'],
width: {
max: 300,
min: 1
}
};
const SETTINGS = {
deviceId: '',
frameRate: 60,
resizeMode: 'none'
};
/**
* Canvas Capture Media Stream Track.
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamTrack
*/
class MediaStreamTrack extends EventTarget_js_1.default {
contentHint = '';
enabled = true;
id = crypto_1.default.randomUUID();
muted = false;
readyState = 'live';
label = '';
[PropertySymbol.label] = '';
[PropertySymbol.kind] = 'video';
[PropertySymbol.constraints] = {};
[PropertySymbol.capabilities] = JSON.parse(JSON.stringify(CAPABILITIES));
[PropertySymbol.settings] = JSON.parse(JSON.stringify(SETTINGS));
// Events
onended = null;
onmute = null;
onunmute = null;
/**
* Constructor.
*
* @param illegalConstructorSymbol Illegal constructor symbol.
*/
constructor(illegalConstructorSymbol) {
super();
if (illegalConstructorSymbol !== PropertySymbol.illegalConstructor) {
throw new TypeError('Illegal constructor');
}
if (!this[PropertySymbol.window]) {
throw new TypeError(`Failed to construct '${this.constructor.name}': '${this.constructor.name}' was constructed outside a Window context.`);
}
}
/**
* Returns the kind of the track.
*
* @returns Kind.
*/
get kind() {
return this[PropertySymbol.kind];
}
/**
* Applies constraints.
*
* @param _constraints Constraints.
* @param constraints
*/
async applyConstraints(constraints) {
this.#mergeObjects(this[PropertySymbol.constraints], constraints);
}
/**
* Returns constraints.
*
* @returns Constraints.
*/
getConstraints() {
return this[PropertySymbol.constraints];
}
/**
* Returns capabilities.
*
* @returns Capabilities.
*/
getCapabilities() {
return this[PropertySymbol.capabilities];
}
/**
* Returns settings.
*
* @returns Settings.
*/
getSettings() {
return this[PropertySymbol.settings];
}
/**
* Clones the track.
*
* @returns Clone.
*/
clone() {
const clone = new this.constructor(PropertySymbol.illegalConstructor);
clone[PropertySymbol.kind] = this[PropertySymbol.kind];
clone[PropertySymbol.constraints] = this[PropertySymbol.constraints];
clone[PropertySymbol.capabilities] = this[PropertySymbol.capabilities];
clone[PropertySymbol.settings] = this[PropertySymbol.settings];
clone.contentHint = this.contentHint;
clone.enabled = this.enabled;
clone.label = this.label;
clone.muted = this.muted;
clone.readyState = this.readyState;
return clone;
}
/**
* Stops the track.
*/
stop() {
this.readyState = 'ended';
}
/**
* Merges two objects.
*
* @param source Target.
* @param target Source.
*/
#mergeObjects(source, target) {
for (const key in target) {
if (target[key] !== null && typeof target[key] === 'object' && !Array.isArray(target[key])) {
if (typeof source[key] !== 'object') {
source[key] = {};
}
this.#mergeObjects(source[key], target[key]);
}
else {
source[key] = target[key];
}
}
}
}
exports.default = MediaStreamTrack;
//# sourceMappingURL=MediaStreamTrack.cjs.map