init

.gitignore

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+lib
+node_modules/
+server

.npmignore

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+src
+node_modules
+tsconfig.json
+*.map
+.tags
+webpack.config.js
+yarn.lock
+server

LICENSE

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+MIT License
+
+Copyright (c) 2019 Heyward Fann
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# coc-texlab
+
+> fork of [texlab-vscode](https://github.com/latex-lsp/texlab-vscode), provides editing support for LaTeX documents, powered by the [TexLab](https://github.com/latex-lsp/texlab) language server.
+
+## Install
+
+`:CocInstall coc-texlab`
+
+## Requirements
+
+- A [TeX distribution](https://www.latex-project.org/get/#tex-distributions). All distributions that are based on [TeX Live](https://www.tug.org/texlive/) or [MikTeX](https://miktex.org/) are supported.
+- The Node.js runtime. This is an optional dependency used for the citation rendering feature.
+- On Windows, you will need to install [Microsoft Visual C++ Redistributable for Visual Studio 2015](https://aka.ms/vs/16/release/vc_redist.x64.exe).
+
+More info in [TexLab Docs](https://texlab.netlify.com/docs)
+
+## License
+
+MIT

package.json

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+{
+  "name": "coc-texlab",
+  "version": "1.0.0",
+  "description": "TexLab extension for coc.nvim",
+  "main": "lib/index.js",
+  "author": "Heyward Fann <[email protected]>",
+  "license": "MIT",
+  "scripts": {
+    "clean": "rimraf lib",
+    "watch": "webpack --watch",
+    "build": "webpack",
+    "prepare": "npx npm-run-all clean build"
+  },
+  "keywords": [
+    "coc.nvim",
+    "latex",
+    "texlab"
+  ],
+  "engines": {
+    "coc": "^0.0.70"
+  },
+  "devDependencies": {
+    "@types/node": "^12.0.4",
+    "@types/request": "^2.48.1",
+    "@types/tar": "^4.0.2",
+    "@types/unzipper": "^0.9.2",
+    "axios": "^0.19.0",
+    "coc.nvim": "^0.0.71",
+    "request": "^2.88.0",
+    "rimraf": "^2.6.3",
+    "tar": "^4.4.10",
+    "ts-loader": "^6.0.4",
+    "typescript": "^3.5.2",
+    "unzipper": "^0.10.1",
+    "webpack": "^4.35.0",
+    "webpack-cli": "^3.3.5"
+  },
+  "dependencies": {},
+  "prettier": {
+    "printWidth": 160,
+    "singleQuote": true
+  }
+}

src/index.ts

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+import fs from 'fs';
+import os from 'os';
+import tar from 'tar';
+import unzipper from 'unzipper';
+import request from 'request';
+
+import { ServerOptions, services, ExtensionContext, workspace, LanguageClientOptions, LanguageClient } from 'coc.nvim';
+
+export async function activate(context: ExtensionContext): Promise<void> {
+  const serverPath = getServerPath(context);
+  if (!fs.existsSync(serverPath)) {
+    workspace.showMessage(`TexLab Server is not found, downloading...`);
+    try {
+      await downloadServer(context);
+    } catch (_e) {
+      workspace.showMessage(`Download TexLab failed`);
+      return;
+    }
+  }
+
+  const serverOptions = getServerOptions(serverPath);
+  const clientOptions: LanguageClientOptions = {
+    documentSelector: ['tex', 'latex', 'bib', 'bibtex'],
+    outputChannelName: 'LaTeX'
+  };
+
+  const client = new LanguageClient('TexLab', serverOptions, clientOptions);
+  context.subscriptions.push(services.registLanguageClient(client));
+
+  client.onReady().then(() => {
+    workspace.showMessage(`TexLab Server Started`);
+  });
+}
+
+function getServerPath(context: ExtensionContext): string {
+  const name = os.platform() === 'win32' ? 'texlab.exe' : 'texlab';
+  return context.asAbsolutePath(`./server/${name}`);
+}
+
+function getServerOptions(serverPath: string): ServerOptions {
+  const { ELECTRON_RUN_AS_NODE, ...env } = process.env;
+  return {
+    run: {
+      command: serverPath,
+      options: {
+        env
+      }
+    },
+    debug: {
+      command: serverPath,
+      args: ['-vvvv'],
+      options: {
+        env: {
+          ...env,
+          RUST_BACKTRACE: '1'
+        }
+      }
+    }
+  };
+}
+
+async function downloadServer(context: ExtensionContext): Promise<void> {
+  const urls = {
+    win32: 'https://github.com/latex-lsp/texlab/releases/download/v1.0.0/texlab-x86_64-windows.zip',
+    linux: 'https://github.com/latex-lsp/texlab/releases/download/v1.0.0/texlab-x86_64-linux.tar.gz',
+    darwin: 'https://github.com/latex-lsp/texlab/releases/download/v1.0.0/texlab-x86_64-macos.tar.gz'
+  };
+
+  const url = urls[os.platform()];
+  const path = context.asAbsolutePath('server');
+  const extract = os.platform() === 'win32' ? () => unzipper.Extract({ path }) : () => tar.x({ C: path });
+
+  let statusItem = workspace.createStatusBarItem(0, { progress: true });
+  statusItem.text = 'Downloading TexLab Server';
+  statusItem.show();
+
+  return new Promise((resolve, reject) => {
+    request(url)
+      .pipe(extract())
+      .on('close', () => {
+        resolve();
+        statusItem.dispose();
+      })
+      .on('error', e => {
+        reject(e);
+      });
+  });
+}
+

tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "es2017",
+    "lib": ["es2017", "es2018"],
+    "module": "commonjs",
+    "declaration": false,
+    "sourceMap": true,
+    "outDir": "lib",
+    "strict": true,
+    "moduleResolution": "node",
+    "noImplicitAny": false,
+    "esModuleInterop": true
+  },
+  "include": ["src"]
+}

webpack.config.js

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+const path = require('path');
+
+module.exports = {
+  entry: './src/index.ts',
+  target: 'node',
+  mode: 'none',
+  resolve: {
+    mainFields: ['module', 'main'],
+    extensions: ['.js', '.ts']
+  },
+  externals: {
+    'coc.nvim': 'commonjs coc.nvim'
+  },
+  module: {
+    rules: [
+      {
+        test: /\.ts$/,
+        exclude: /node_modules/,
+        use: [
+          {
+            loader: 'ts-loader',
+            options: {
+              compilerOptions: {
+                sourceMap: true
+              }
+            }
+          }
+        ]
+      }
+    ]
+  },
+  output: {
+    path: path.join(__dirname, 'lib'),
+    filename: 'index.js',
+    libraryTarget: 'commonjs'
+  },
+  plugins: [],
+  node: {
+    __dirname: false,
+    __filename: false
+  }
+};