flipper-plugin
Version:
Flipper Desktop plugin SDK and components
119 lines • 5.2 kB
JavaScript
;
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.useHighlighter = exports.HighlightProvider = exports.HighlightContext = void 0;
const react_1 = __importStar(require("react"));
const lodash_1 = require("lodash");
const theme_1 = require("./theme");
function createHighlightManager(initialText = '', initialHighlightColor = theme_1.theme.searchHighlightBackground.yellow) {
const callbacks = new Set();
let matches = 0;
let currentFilter = initialText;
let currHighlightColor = initialHighlightColor;
const Highlight = (0, react_1.memo)(({ text }) => {
const [, setUpdate] = (0, react_1.useState)(0);
const elem = (0, react_1.useRef)(null);
(0, react_1.useEffect)(() => {
function onChange(prevHighlight, newHighlight) {
const prevIndex = text.toLowerCase().indexOf(prevHighlight);
const newIndex = text.toLowerCase().indexOf(newHighlight);
if (prevIndex !== newIndex || newIndex !== -1) {
// either we had a result, and we have no longer,
// or we still have a result, but the highlightable text changed
if (newIndex !== -1) {
if (++matches === 1) {
elem.current?.parentElement?.parentElement?.scrollIntoView?.();
}
}
setUpdate((s) => s + 1);
}
}
callbacks.add(onChange);
return () => {
callbacks.delete(onChange);
};
}, [text]);
const index = text.toLowerCase().indexOf(currentFilter);
return (react_1.default.createElement("span", { ref: elem }, index === -1 ? (text) : (react_1.default.createElement(react_1.default.Fragment, null,
text.substr(0, index),
react_1.default.createElement("span", { style: { backgroundColor: currHighlightColor } }, text.substr(index, currentFilter.length)),
text.substr(index + currentFilter.length)))));
});
return {
setFilter: (0, lodash_1.debounce)((text = '') => {
if (currentFilter !== text) {
matches = 0;
const base = currentFilter;
currentFilter = text.toLowerCase();
callbacks.forEach((cb) => cb(base, currentFilter));
}
}, 100),
render(text) {
return react_1.default.createElement(Highlight, { text: text });
},
setHighlightColor(color) {
if (color !== currHighlightColor) {
currHighlightColor = color;
callbacks.forEach((cb) => cb(currentFilter, currentFilter));
}
},
};
}
exports.HighlightContext = (0, react_1.createContext)({
setFilter(_text) {
throw new Error('Cannot set the filter of a stub highlight manager');
},
render(text) {
// stub implementation in case we render a component without a Highlight context
return text;
},
setHighlightColor(_color) {
throw new Error('Cannot set the color of a stub highlight manager');
},
});
function HighlightProvider({ text, highlightColor, children, }) {
const [highlightManager] = (0, react_1.useState)(() => createHighlightManager(text, highlightColor));
(0, react_1.useEffect)(() => {
highlightManager.setFilter(text);
}, [text, highlightManager]);
(0, react_1.useEffect)(() => {
highlightManager.setHighlightColor(highlightColor);
}, [highlightColor, highlightManager]);
return (react_1.default.createElement(exports.HighlightContext.Provider, { value: highlightManager }, children));
}
exports.HighlightProvider = HighlightProvider;
function useHighlighter() {
return (0, react_1.useContext)(exports.HighlightContext);
}
exports.useHighlighter = useHighlighter;
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