53c557f923
Summary: This diff moves the rest of the DataInspector jungle to flipper-plugin. No actual improvements are made yet, but the code is decoupled from Electron and the legacy theming. For example by using Antd based context menus. Note that `ManagedDataInspector` is now rebranded `DataInspector`, as that is the only variation that should (and is) used publicly. For the interactionTracker removal, see next diff. SearchableDataInspector will be addressed in a next diff Reviewed By: passy Differential Revision: D27603125 fbshipit-source-id: 188bd000260e4e4704202ce02c7fc98319f0bc22
125 lines
3.2 KiB
TypeScript
125 lines
3.2 KiB
TypeScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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*/
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import styled from '@emotion/styled';
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import React, {
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useEffect,
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memo,
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useState,
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useRef,
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createContext,
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useContext,
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} from 'react';
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import {debounce} from 'lodash';
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const Highlighted = styled.span({
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backgroundColor: '#fcd872',
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});
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export interface HighlightManager {
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setFilter(text: string | undefined): void;
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render(text: string): React.ReactNode;
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}
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function createHighlightManager(initialText: string = ''): HighlightManager {
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const callbacks = new Set<(prev: string, next: string) => void>();
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let matches = 0;
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let currentFilter = initialText;
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const Highlight: React.FC<{text: string}> = memo(({text}) => {
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const [, setUpdate] = useState(0);
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const elem = useRef<HTMLSpanElement | null>(null);
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useEffect(() => {
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function onChange(prevHighlight: string, newHighlight: string) {
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const prevIndex = text.toLowerCase().indexOf(prevHighlight);
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const newIndex = text.toLowerCase().indexOf(newHighlight);
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if (prevIndex !== newIndex || newIndex !== -1) {
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// either we had a result, and we have no longer,
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// or we still have a result, but the highlightable text changed
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if (newIndex !== -1) {
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if (++matches === 1) {
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elem.current?.parentElement?.parentElement?.scrollIntoView?.();
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}
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}
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setUpdate((s) => s + 1);
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}
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}
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callbacks.add(onChange);
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return () => {
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callbacks.delete(onChange);
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};
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}, [text]);
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const index = text.toLowerCase().indexOf(currentFilter);
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return (
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<span ref={elem}>
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{index === -1 ? (
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text
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) : (
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<>
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{text.substr(0, index)}
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<Highlighted>
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{text.substr(index, currentFilter.length)}
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</Highlighted>
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{text.substr(index + currentFilter.length)}
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</>
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)}
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</span>
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);
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});
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return {
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setFilter: debounce((text: string = '') => {
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if (currentFilter !== text) {
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matches = 0;
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const base = currentFilter;
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currentFilter = text.toLowerCase();
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callbacks.forEach((cb) => cb(base, currentFilter));
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}
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}, 100),
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render(text: string) {
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return <Highlight text={text} />;
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},
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};
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}
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export const HighlightContext = createContext<HighlightManager>({
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setFilter(_text: string) {
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throw new Error('Cannot set the filter of a stub highlight manager');
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},
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render(text: string) {
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// stub implementation in case we render a component without a Highlight context
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return text;
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},
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});
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export function HighlightProvider({
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text,
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children,
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}: {
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text: string | undefined;
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children: React.ReactElement;
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}) {
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const [highlightManager] = useState(() => createHighlightManager(text));
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useEffect(() => {
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highlightManager.setFilter(text);
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}, [text, highlightManager]);
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return (
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<HighlightContext.Provider value={highlightManager}>
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{children}
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</HighlightContext.Provider>
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);
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}
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export function useHighlighter(): HighlightManager {
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return useContext(HighlightContext);
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}
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