142 lines
4.7 KiB
JavaScript
142 lines
4.7 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _readline = _interopRequireDefault(require("readline"));
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var _react = _interopRequireWildcard(require("react"));
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var _propTypes = _interopRequireDefault(require("prop-types"));
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var _cliCursor = _interopRequireDefault(require("cli-cursor"));
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var _AppContext = _interopRequireDefault(require("./AppContext"));
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var _StdinContext = _interopRequireDefault(require("./StdinContext"));
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var _StdoutContext = _interopRequireDefault(require("./StdoutContext"));
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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// Root component for all Ink apps
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// It renders stdin and stdout contexts, so that children can access them if needed
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// It also handles Ctrl+C exiting and cursor visibility
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class App extends _react.PureComponent {
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// Determines if TTY is supported on the provided stdin
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isRawModeSupported() {
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return this.props.stdin.isTTY;
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}
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constructor() {
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super(); // Count how many components enabled raw mode to avoid disabling
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// raw mode until all components don't need it anymore
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_defineProperty(this, "handleSetRawMode", isEnabled => {
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const {
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stdin
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} = this.props;
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if (!this.isRawModeSupported()) {
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if (stdin === process.stdin) {
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throw new Error('Raw mode is not supported on the current process.stdin, which Ink uses as input stream by default.\nRead about how to prevent this error on https://github.com/vadimdemedes/ink/#israwmodesupported');
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} else {
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throw new Error('Raw mode is not supported on the stdin provided to Ink.\nRead about how to prevent this error on https://github.com/vadimdemedes/ink/#israwmodesupported');
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}
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}
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stdin.setEncoding('utf8');
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if (isEnabled) {
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// Ensure raw mode is enabled only once
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if (this.rawModeEnabledCount === 0) {
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stdin.addListener('data', this.handleInput);
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stdin.resume();
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stdin.setRawMode(true);
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_readline.default.emitKeypressEvents(stdin);
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}
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this.rawModeEnabledCount++;
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return;
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} // Disable raw mode only when no components left that are using it
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if (--this.rawModeEnabledCount === 0) {
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stdin.setRawMode(false);
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stdin.removeListener('data', this.handleInput);
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stdin.pause();
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}
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});
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_defineProperty(this, "handleInput", input => {
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// Exit on Ctrl+C
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if (input === '\x03' && this.props.exitOnCtrlC) {
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// eslint-disable-line unicorn/no-hex-escape
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this.handleExit();
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}
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});
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_defineProperty(this, "handleExit", error => {
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if (this.isRawModeSupported()) {
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this.handleSetRawMode(false);
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}
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this.props.onExit(error);
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});
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this.rawModeEnabledCount = 0;
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}
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render() {
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return _react.default.createElement(_AppContext.default.Provider, {
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value: {
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exit: this.handleExit
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}
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}, _react.default.createElement(_StdinContext.default.Provider, {
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value: {
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stdin: this.props.stdin,
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setRawMode: this.handleSetRawMode,
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isRawModeSupported: this.isRawModeSupported()
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}
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}, _react.default.createElement(_StdoutContext.default.Provider, {
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value: {
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stdout: this.props.stdout
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}
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}, this.props.children)));
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}
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componentDidMount() {
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_cliCursor.default.hide(this.props.stdout);
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}
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componentWillUnmount() {
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_cliCursor.default.show(this.props.stdout); // ignore calling setRawMode on an handle stdin it cannot be called
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if (this.isRawModeSupported()) {
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this.handleSetRawMode(false);
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}
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}
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componentDidCatch(error) {
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this.handleExit(error);
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}
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}
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exports.default = App;
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_defineProperty(App, "propTypes", {
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children: _propTypes.default.node.isRequired,
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stdin: _propTypes.default.object.isRequired,
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stdout: _propTypes.default.object.isRequired,
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exitOnCtrlC: _propTypes.default.bool.isRequired,
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onExit: _propTypes.default.func.isRequired
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}); |