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mendersoftware / gui / 1113439055

19 Dec 2023 09:01PM UTC coverage: 82.752% (-17.2%) from 99.964%
1113439055

Pull #4258

gitlab-ci

mender-test-bot
chore: Types update

Signed-off-by: Mender Test Bot <mender@northern.tech>
Pull Request #4258: chore: Types update

4326 of 6319 branches covered (0.0%)

8348 of 10088 relevant lines covered (82.75%)

189.39 hits per line

Source File
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92.0
/src/js/components/common/xterm.js
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// Copyright 2021 Northern.tech AS
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//
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//    Licensed under the Apache License, Version 2.0 (the "License");
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//    you may not use this file except in compliance with the License.
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//    You may obtain a copy of the License at
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//
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//        http://www.apache.org/licenses/LICENSE-2.0
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//
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//    Unless required by applicable law or agreed to in writing, software
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//    distributed under the License is distributed on an "AS IS" BASIS,
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//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//    See the License for the specific language governing permissions and
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//    limitations under the License.
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import React, { useEffect } from 'react';
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import { Terminal } from 'xterm';
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import { FitAddon } from 'xterm-addon-fit';
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import { SearchAddon } from 'xterm-addon-search';
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import 'xterm/css/xterm.css';
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const searchAddon = new SearchAddon();
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const fitAddon = new FitAddon();
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const addons = [fitAddon, searchAddon];
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const defaultOptions = { allowProposedApi: true, scrollback: 5000 };
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export const Xterm = ({ className, customKeyEventHandler, options = {}, onResize, style, triggerResize, xtermRef, ...remainingProps }) => {
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  /**
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   * XTerm.js Terminal object.
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   */
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  // This is assigned in the setupTerminal() which is called from the constructor
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  // terminal: Terminal
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  // const terminal = ref.current.terminal.current;
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  /**
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   * The ref for the containing element.
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   */
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  // const terminalRef = ref.current.terminalRef.current;
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  useEffect(() => {
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    let { terminal, terminalRef } = xtermRef.current;
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    // Setup the XTerm terminal.
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    terminal.current = new Terminal({ ...defaultOptions, ...options });
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    // Load addons
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    addons.forEach(addon => terminal.current.loadAddon(addon));
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    // Create Listeners
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    Object.entries(remainingProps).map(([key, value]) => (value ? terminal.current[key](value) : undefined));
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    // Add Custom Key Event Handler
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    if (customKeyEventHandler) {
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      terminal.current.attachCustomKeyEventHandler(customKeyEventHandler);
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    }
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    if (terminalRef.current) {
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      // Creates the terminal within the container element.
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      terminal.current.open(terminalRef.current);
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    }
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    return () => {
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      // When the component unmounts dispose of the terminal and all of its listeners.
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      // eslint-disable-next-line react-hooks/exhaustive-deps
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      terminal.current.dispose();
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    };
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    // eslint-disable-next-line react-hooks/exhaustive-deps
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  }, [addons, customKeyEventHandler, JSON.stringify(options), Object.keys(remainingProps).join('')]);
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  useEffect(() => {
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    if (!xtermRef.current.terminalRef.current) {
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      return;
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    }
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    try {
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      fitAddon.fit();
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      const { rows = 40, cols = 80 } = fitAddon.proposeDimensions() || {};
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      if (onResize) {
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        onResize({ rows, cols });
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      }
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    } catch {
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      /* nothing really  */
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    }
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    // eslint-disable-next-line react-hooks/exhaustive-deps
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  }, [triggerResize]);
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  return <div className={className} ref={xtermRef.current.terminalRef} style={style} />;
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};
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export default Xterm;
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