073adfbe18091a488fb0cc3a7c1f03ccc2be94ce.svn-base
5.04 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _cliCursor = _interopRequireDefault(require("cli-cursor"));
var _AppContext = _interopRequireDefault(require("./AppContext"));
var _StdinContext = _interopRequireDefault(require("./StdinContext"));
var _StdoutContext = _interopRequireDefault(require("./StdoutContext"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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; }
// Root component for all Ink apps
// It renders stdin and stdout contexts, so that children can access them if needed
// It also handles Ctrl+C exiting and cursor visibility
class App extends _react.PureComponent {
// Determines if TTY is supported on the provided stdin
isRawModeSupported() {
return this.props.stdin.isTTY;
}
constructor() {
super(); // Count how many components enabled raw mode to avoid disabling
// raw mode until all components don't need it anymore
_defineProperty(this, "handleSetRawMode", isEnabled => {
const {
stdin
} = this.props;
if (!this.isRawModeSupported()) {
if (stdin === process.stdin) {
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');
} else {
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');
}
}
stdin.setEncoding('utf8');
if (isEnabled) {
// Ensure raw mode is enabled only once
if (this.rawModeEnabledCount === 0) {
stdin.addListener('data', this.handleInput);
stdin.resume();
stdin.setRawMode(true);
}
this.rawModeEnabledCount++;
return;
} // Disable raw mode only when no components left that are using it
if (--this.rawModeEnabledCount === 0) {
stdin.setRawMode(false);
stdin.removeListener('data', this.handleInput);
stdin.pause();
}
});
_defineProperty(this, "handleInput", input => {
// Exit on Ctrl+C
if (input === '\x03' && this.props.exitOnCtrlC) {
// eslint-disable-line unicorn/no-hex-escape
this.handleExit();
}
});
_defineProperty(this, "handleExit", error => {
if (this.isRawModeSupported()) {
this.handleSetRawMode(false);
}
this.props.onExit(error);
});
this.rawModeEnabledCount = 0;
}
render() {
return _react.default.createElement(_AppContext.default.Provider, {
value: {
exit: this.handleExit
}
}, _react.default.createElement(_StdinContext.default.Provider, {
value: {
stdin: this.props.stdin,
setRawMode: this.handleSetRawMode,
isRawModeSupported: this.isRawModeSupported()
}
}, _react.default.createElement(_StdoutContext.default.Provider, {
value: {
stdout: this.props.stdout
}
}, this.props.children)));
}
componentDidMount() {
_cliCursor.default.hide(this.props.stdout);
}
componentWillUnmount() {
_cliCursor.default.show(this.props.stdout); // ignore calling setRawMode on an handle stdin it cannot be called
if (this.isRawModeSupported()) {
this.handleSetRawMode(false);
}
}
componentDidCatch(error) {
this.handleExit(error);
}
}
exports.default = App;
_defineProperty(App, "propTypes", {
children: _propTypes.default.node.isRequired,
stdin: _propTypes.default.object.isRequired,
stdout: _propTypes.default.object.isRequired,
exitOnCtrlC: _propTypes.default.bool.isRequired,
// eslint-disable-line react/boolean-prop-naming
onExit: _propTypes.default.func.isRequired
});