91 lines
3.7 KiB
JavaScript
91 lines
3.7 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = void 0;
|
|
|
|
var _react = _interopRequireWildcard(require("react"));
|
|
|
|
var _propTypes = _interopRequireDefault(require("prop-types"));
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
|
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; } }
|
|
|
|
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
|
|
|
|
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
|
|
|
|
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; }
|
|
|
|
const childrenToArray = children => Array.isArray(children) ? children : [children]; // This component allows developers to render output before main output from all the other components.
|
|
// The reason it's called <Static> is it's append-only output. Output from <Static> components
|
|
// is written permantently to stdout and is never updated afterwards. If <Static> component
|
|
// receives new children, Ink will detect the changes and write them to stdout.
|
|
// In order for this mechanism to work perfectly, <Static> children must never update their output
|
|
// once they've been appended to <Static>.
|
|
//
|
|
// A good example of where this component might be useful is interface like Jest's.
|
|
// When running tests, Jest keeps writing completed tests to output, while continuously
|
|
// rendering test stats at the end of the output.
|
|
|
|
|
|
class Static extends _react.Component {
|
|
constructor(...args) {
|
|
super(...args);
|
|
|
|
_defineProperty(this, "state", {
|
|
lastIndex: null
|
|
});
|
|
}
|
|
|
|
render() {
|
|
const _this$props = this.props,
|
|
{
|
|
children
|
|
} = _this$props,
|
|
otherProps = _objectWithoutProperties(_this$props, ["children"]);
|
|
|
|
const {
|
|
lastIndex
|
|
} = this.state;
|
|
let newChildren = children;
|
|
|
|
if (typeof lastIndex === 'number') {
|
|
newChildren = childrenToArray(children).slice(lastIndex);
|
|
}
|
|
|
|
return _react.default.createElement("div", {
|
|
unstable__static: true,
|
|
style: otherProps
|
|
}, newChildren);
|
|
}
|
|
|
|
componentDidMount() {
|
|
this.saveLastIndex(this.props.children);
|
|
}
|
|
|
|
componentDidUpdate(prevProps, prevState) {
|
|
if (prevState.lastIndex === this.state.lastIndex) {
|
|
this.saveLastIndex(this.props.children);
|
|
}
|
|
}
|
|
|
|
saveLastIndex(children) {
|
|
const nextIndex = childrenToArray(children).length;
|
|
|
|
if (this.state.lastIndex !== nextIndex) {
|
|
this.setState({
|
|
lastIndex: nextIndex
|
|
});
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
exports.default = Static;
|
|
|
|
_defineProperty(Static, "propTypes", {
|
|
children: _propTypes.default.node
|
|
}); |