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window.gl = window.gl || {};
gl.Terminal = class {
constructor(options) {
this.options = options || {};
options.cursorBlink = options.cursorBlink || true;
options.screenKeys = options.screenKeys || true;
options.cols = options.cols || 100;
options.rows = options.rows || 40;
this.container = document.querySelector(options.selector);
this.setSocketUrl();
this.createTerminal();
}
setSocketUrl() {
const {protocol, hostname, port} = window.location;
const wsProtocol = protocol === 'https:' ? 'wss://' : 'ws://';
this.socketUrl = `${wsProtocol}${hostname}:${port}/gitlab-org/gitlab-ce/deployments/4/terminal_websocket`
}
createTerminal() {
this.terminal = new Terminal(this.options);
this.socket = new WebSocket(this.socketUrl);
this.terminal.open(this.container);
this.terminal.fit();
this.socket.onopen = () => { this.runTerminal() };
this.socket.onclose = () => { this.handleSocketFailure() };
this.socket.onerror = () => { this.handleSocketFailure() };
}
runTerminal() {
const {cols, rows} = this.terminal.proposeGeometry();
const {offsetWidth, offsetHeight} = this.terminal.element;
this.charWidth = Math.ceil(offsetWidth / cols);
this.charHeight = Math.ceil(offsetHeight / rows);
this.terminal.attach(this.socket);
this.isTerminalInitialized = true;
this.setTerminalSize(cols, rows);
}
setTerminalSize (cols, rows) {
const width = `${(cols * this.charWidth).toString()}px`;
const height = `${(rows * this.charHeight).toString()}px`;
this.container.style.width = width;
this.container.style.height = height;
this.terminal.resize(cols, rows);
}
handleSocketFailure() {
console.error('There is a problem with Terminal connection. Please try again!');
}
}
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