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feat: add react-codemirror-merge component (#455).
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‎.github/workflows/ci.yml‎

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@@ -92,6 +92,12 @@ jobs:
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env:
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NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
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- name: 📦 react-codemirror-merge publish to NPM
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run: npm publish --access public
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working-directory: ./merge/
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continue-on-error: true
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env:
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NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
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- name: 📦 @uiw/codemirror-themes publish to NPM
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run: npm publish --access public
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env:
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NODE_AUTH_TOKEN: ${{secrets.GITHUB_TOKEN}}
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- name: "Modify react-codemirror-merge => @uiwjs/react-codemirror-merge"
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uses: jaywcjlove/github-action-package@main
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continue-on-error: true
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with:
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path: merge/package.json
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rename: "@uiwjs/react-codemirror-merge"
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- run: npm publish
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name: 📦 @uiwjs/react-codemirror-merge publish to NPM
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working-directory: merge
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continue-on-error: true
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env:
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NODE_AUTH_TOKEN: ${{secrets.GITHUB_TOKEN}}
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- name: Modify @uiw/codemirror-themes => @uiwjs/codemirror-themes
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uses: jaywcjlove/github-action-package@main
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with:

‎core/README.md‎

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@@ -183,6 +183,34 @@ export default function App() {
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}
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```
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## Codemirror Merge
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```jsx
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import CodeMirrorMerge from 'react-codemirror-merge';
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import { EditorView } from 'codemirror';
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import { EditorState } from '@codemirror/state';
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const Original = CodeMirrorMerge.Original;
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const Modified = CodeMirrorMerge.Modified;
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let doc = `one
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two
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three
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four
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five`;
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export const Example = () => {
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return (
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<CodeMirrorMerge>
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<Original value={doc} />
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<Modified
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value={doc.replace(/t/g, 'T') + 'Six'}
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extensions={[EditorView.editable.of(false), EditorState.readOnly.of(true)]}
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/>
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</CodeMirrorMerge>
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);
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};
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```
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## Support Hook
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[![Open in CodeSandbox](https://img.shields.io/badge/Open%20in-CodeSandbox-blue?logo=codesandbox)](https://codesandbox.io/embed/react-codemirror-example-codemirror-6-hook-yr4vg?fontsize=14&hidenavigation=1&theme=dark)
@@ -397,7 +425,7 @@ export interface ReactCodeMirrorProps
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*/
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readOnly?: boolean;
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/**
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* Controls whether pressing the `Tab` key inserts a tab character and indents the text (`true`)
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* Controls whether pressing the `Tab` key inserts a tab character and indents the text (`true`)
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* or behaves according to the browser's default behavior (`false`).
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* @default true
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*/

‎core/src/getDefaultExtensions.ts‎

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import { Extension } from '@codemirror/state';
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import { indentWithTab } from '@codemirror/commands';
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import { basicSetup, BasicSetupOptions } from '@uiw/codemirror-extensions-basic-setup';
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import { EditorView, keymap, placeholder } from '@codemirror/view';
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import { oneDark } from '@codemirror/theme-one-dark';
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import { EditorState } from '@codemirror/state';
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export type DefaultExtensionsOptions = {
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indentWithTab?: boolean;
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basicSetup?: boolean | BasicSetupOptions;
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placeholder?: string | HTMLElement;
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theme?: 'light' | 'dark' | 'none' | Extension;
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readOnly?: boolean;
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editable?: boolean;
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};
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export const getDefaultExtensions = (optios: DefaultExtensionsOptions = {}): Extension[] => {
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const {
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indentWithTab: defaultIndentWithTab = true,
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editable = true,
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readOnly = false,
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theme = 'light',
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placeholder: placeholderStr = '',
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basicSetup: defaultBasicSetup = true,
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} = optios;
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const getExtensions: Extension[] = [];
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const defaultLightThemeOption = EditorView.theme(
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{
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'&': {
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backgroundColor: '#fff',
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},
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},
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{
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dark: false,
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},
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);
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if (defaultIndentWithTab) {
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getExtensions.unshift(keymap.of([indentWithTab]));
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}
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if (defaultBasicSetup) {
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if (typeof defaultBasicSetup === 'boolean') {
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getExtensions.unshift(basicSetup());
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} else {
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getExtensions.unshift(basicSetup(defaultBasicSetup));
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}
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}
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if (placeholderStr) {
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getExtensions.unshift(placeholder(placeholderStr));
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}
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switch (theme) {
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case 'light':
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getExtensions.push(defaultLightThemeOption);
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break;
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case 'dark':
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getExtensions.push(oneDark);
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break;
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case 'none':
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break;
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default:
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getExtensions.push(theme);
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break;
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}
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if (editable === false) {
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getExtensions.push(EditorView.editable.of(false));
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}
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if (readOnly) {
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getExtensions.push(EditorState.readOnly.of(true));
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}
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return [...getExtensions];
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};

‎core/src/index.tsx‎

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@@ -7,6 +7,7 @@ import { Statistics } from './utils';
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export * from '@uiw/codemirror-extensions-basic-setup';
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export * from './useCodeMirror';
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export * from './getDefaultExtensions';
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export * from './utils';
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export interface ReactCodeMirrorProps
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*/
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readOnly?: boolean;
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/**
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* Controls whether pressing the `Tab` key inserts a tab character and indents the text (`true`)
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* Controls whether pressing the `Tab` key inserts a tab character and indents the text (`true`)
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* or behaves according to the browser's default behavior (`false`).
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* @default true
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*/

‎core/src/useCodeMirror.ts‎

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import { useEffect, useState } from 'react';
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import { Annotation, EditorState, StateEffect } from '@codemirror/state';
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import { indentWithTab } from '@codemirror/commands';
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import { EditorView, keymap, ViewUpdate, placeholder } from '@codemirror/view';
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import { basicSetup } from '@uiw/codemirror-extensions-basic-setup';
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import { oneDark } from '@codemirror/theme-one-dark';
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import { EditorView, ViewUpdate } from '@codemirror/view';
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import { getDefaultExtensions } from './getDefaultExtensions';
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import { getStatistics } from './utils';
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import { ReactCodeMirrorProps } from '.';
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const [container, setContainer] = useState<HTMLDivElement>();
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const [view, setView] = useState<EditorView>();
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const [state, setState] = useState<EditorState>();
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const defaultLightThemeOption = EditorView.theme(
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{
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'&': {
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backgroundColor: '#fff',
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},
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},
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{
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dark: false,
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},
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);
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const defaultThemeOption = EditorView.theme({
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'&': {
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height,
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onStatistics && onStatistics(getStatistics(vu));
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});
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let getExtensions = [updateListener, defaultThemeOption];
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if (defaultIndentWithTab) {
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getExtensions.unshift(keymap.of([indentWithTab]));
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}
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if (defaultBasicSetup) {
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if (typeof defaultBasicSetup === 'boolean') {
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getExtensions.unshift(basicSetup());
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} else {
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getExtensions.unshift(basicSetup(defaultBasicSetup));
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}
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}
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if (placeholderStr) {
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getExtensions.unshift(placeholder(placeholderStr));
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}
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switch (theme) {
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case 'light':
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getExtensions.push(defaultLightThemeOption);
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break;
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case 'dark':
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getExtensions.push(oneDark);
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break;
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case 'none':
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break;
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default:
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getExtensions.push(theme);
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break;
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}
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const defaultExtensions = getDefaultExtensions({
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theme,
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editable: true,
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readOnly: false,
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placeholder: placeholderStr,
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indentWithTab: defaultIndentWithTab,
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basicSetup: defaultBasicSetup,
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});
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if (editable === false) {
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getExtensions.push(EditorView.editable.of(false));
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}
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if (readOnly) {
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getExtensions.push(EditorState.readOnly.of(true));
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}
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let getExtensions = [updateListener, defaultThemeOption, ...defaultExtensions];
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if (onUpdate && typeof onUpdate === 'function') {
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getExtensions.push(EditorView.updateListener.of(onUpdate));

‎lerna.json‎

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{
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"version": "4.19.11",
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"packages": ["themes/**", "core", "www"],
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"packages": ["themes/**", "core", "merge", "www"],
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"useWorkspaces": true
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}

‎merge/README.md‎

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<!--rehype:ignore:start-->
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# react-codemirror-merge
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<!--rehype:ignore:end-->
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[![npm version](https://img.shields.io/npm/v/react-codemirror-merge.svg)](https://www.npmjs.com/package/react-codemirror-merge)
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CodeMirror merge view for React.
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## Install
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```bash
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npm install react-codemirror-merge --save
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```
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## Usage
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```jsx
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import CodeMirrorMerge from 'react-codemirror-merge';
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import { EditorView } from 'codemirror';
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import { EditorState } from '@codemirror/state';
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const Original = CodeMirrorMerge.Original;
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const Modified = CodeMirrorMerge.Modified;
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let doc = `one
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two
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three
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four
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five`;
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export const Example = () => {
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return (
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<CodeMirrorMerge>
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<Original value={doc} />
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<Modified
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value={doc.replace(/t/g, 'T') + 'Six'}
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extensions={[EditorView.editable.of(false), EditorState.readOnly.of(true)]}
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/>
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</CodeMirrorMerge>
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);
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};
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```
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## Contributors
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As always, thanks to our amazing contributors!
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<a href="https://github.com/uiwjs/react-codemirror/graphs/contributors">
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<img src="https://uiwjs.github.io/react-codemirror/CONTRIBUTORS.svg" />
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</a>
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Made with [github-action-contributors](https://github.com/jaywcjlove/github-action-contributors).
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## License
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Licensed under the MIT License.

‎merge/package.json‎

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{
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"name": "react-codemirror-merge",
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"version": "0.0.1",
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"description": "CodeMirror merge view for React.",
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"homepage": "https://uiwjs.github.io/react-codemirror",
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"author": "kenny wong <wowohoo@qq.com>",
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"license": "MIT",
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"main": "./cjs/index.js",
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"module": "./esm/index.js",
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"scripts": {
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"watch": "tsbb watch src/*.tsx --use-babel",
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"build": "tsbb build src/*.tsx --use-babel",
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"test": "tsbb test --env=jsdom",
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"coverage": "tsbb test --env=jsdom --coverage --bail"
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},
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"repository": {
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"type": "git",
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"url": "https://github.com/uiwjs/react-codemirror.git"
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},
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"files": [
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"dist",
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"src",
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"esm",
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"cjs"
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],
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"peerDependencies": {
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"@babel/runtime": ">=7.11.0",
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"@codemirror/state": ">=6.0.0",
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"@codemirror/theme-one-dark": ">=6.0.0",
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"@codemirror/view": ">=6.0.0",
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"codemirror": ">=6.0.0",
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"react": ">=16.8.0",
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"react-dom": ">=16.8.0"
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},
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"dependencies": {
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"@babel/runtime": "^7.18.6",
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"@uiw/react-codemirror": "^4.19.11",
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"@codemirror/merge": "^6.0.1"
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},
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"keywords": [
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"react",
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"codemirror",
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"codemirror6",
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"react-codemirror",
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"editor",
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"syntax",
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"ide",
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"code"
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],
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"jest": {
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"coverageReporters": [
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"lcov",
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"json-summary"
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]
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}
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}

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