Support (Neo)Vim by coc.nvim

coc-graphviz/.gitignore

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+*.tgz
+out
+node_modules
+yarn.lock

coc-graphviz/.npmignore

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+/*
+!/README.md
+!/package.json
+!/out/
+*.map

coc-graphviz/README.md

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+# Graphviz Support
+
+Ported from [vscode-graphviz](https://github.com/joaompinto/vscode-graphviz).
+
+![graphvizPreview](https://github.com/user-attachments/assets/d3dac671-fa7d-46f2-9367-d28fa60c637c)
+
+Because some APIs of [vscode](github.com/microsoft/vscode) are missing in
+[coc.nvim](https://github.com/neoclide/coc.nvim), disable some features
+temporarily:
+
+- command `graphviz.previewToSide`: miss `vscode.ViewColumn`
+- save as svg: miss `vscode.window.showSaveDiaglog()`
+
+## Install
+
+- [coc-marketplace](https://github.com/fannheyward/coc-marketplace)
+- [npm](https://www.npmjs.com/package/coc-graphviz)
+- vim:
+
+```vim
+" command line
+CocInstall coc-graphviz
+" or add the following code to your vimrc
+let g:coc_global_extensions = ['coc-graphviz', 'other coc-plugins']
+```
+
+## Usage
+
+Refer [vscode-graphviz](https://github.com/joaompinto/vscode-graphviz).

coc-graphviz/package.json

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+{
+  "name": "coc-graphviz",
+  "displayName": "Graphviz (dot) language support for Visual Studio Code",
+  "description": "This extension provides GraphViz (dot) language support for Visual Studio Code",
+  "version": "0.0.9",
+  "publisher": "joaompinto",
+  "author": "João Pinto <lamego.pinto@gmail.com>",
+  "keywords": [
+    "coc.nvim"
+  ],
+  "contributors": [
+    "Jan Dolejsi"
+  ],
+  "license": "MIT",
+  "readme": "README.md",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/joaompinto/vscode-graphviz"
+  },
+  "galleryBanner": {
+    "color": "#69c",
+    "theme": "light"
+  },
+  "bugs": "https://github.com/joaompinto/vscode-graphviz/issues",
+  "homepage": "https://github.com/joaompinto/vscode-graphviz/blob/master/README.md",
+  "icon": "images/icon.png",
+  "main": "./out/src/extension.js",
+  "engines": {
+    "coc": "^0.0.82"
+  },
+  "categories": [
+    "Programming Languages",
+    "Snippets"
+  ],
+  "activationEvents": [
+    "onLanguage:dot",
+    "onCommand:graphviz.preview"
+  ],
+  "contributes": {
+    "languages": [
+      {
+        "id": "dot",
+        "aliases": [
+          "Graphviz (DOT)"
+        ],
+        "extensions": [
+          ".gv",
+          ".dot",
+          ".DOT"
+        ],
+        "configuration": "dot/dot.configuration.json"
+      }
+    ],
+    "grammars": [
+      {
+        "language": "dot",
+        "scopeName": "source.dot",
+        "path": "dot/syntaxes/dot.tmLanguage"
+      }
+    ],
+    "snippets": [
+      {
+        "language": "dot",
+        "path": "dot/snippets/snippets/dot.json"
+      }
+    ],
+    "configuration": {
+      "type": "object",
+      "title": "Graphviz Configuration",
+      "properties": {
+        "Graphviz.runInterval": {
+          "type": "number",
+          "default": 1000,
+          "description": "Control how often we will be checking for file changes"
+        }
+      }
+    },
+    "keybindings": [
+      {
+        "command": "graphviz.preview",
+        "key": "ctrl+shift+v",
+        "mac": "shift+cmd+v",
+        "when": "editorTextFocus && editorLangId == dot"
+      },
+      {
+        "command": "graphviz.previewToSide",
+        "key": "ctrl+k v",
+        "mac": "cmd+k shift+v",
+        "when": "editorTextFocus && editorLangId == dot"
+      }
+    ],
+    "commands": [
+      {
+        "command": "graphviz.preview",
+        "title": "Toggle Preview",
+        "category": "Graphviz"
+      },
+      {
+        "command": "graphviz.previewToSide",
+        "title": "Open Preview to the Side",
+        "category": "Graphviz",
+        "icon": {
+          "light": "images/light/open-preview.svg",
+          "dark": "images/dark/open-preview.svg"
+        }
+      }
+    ],
+    "menus": {
+      "editor/title": [
+        {
+          "command": "graphviz.previewToSide",
+          "when": "resourceLangId == dot",
+          "group": "navigation"
+        }
+      ],
+      "editor/context": [
+        {
+          "command": "graphviz.previewToSide",
+          "when": "resourceLangId == dot"
+        }
+      ],
+      "editor/title/context": [
+        {
+          "command": "graphviz.previewToSide",
+          "when": "resourceLangId == dot"
+        }
+      ],
+      "explorer/context": [
+        {
+          "command": "graphviz.preview",
+          "when": "resourceLangId == dot"
+        }
+      ],
+      "commandPalette": [
+        {
+          "command": "graphviz.preview",
+          "when": "resourceLangId == dot"
+        },
+        {
+          "command": "graphviz.previewToSide",
+          "when": "resourceLangId == dot"
+        }
+      ]
+    }
+  },
+  "scripts": {
+    "patch": "scripts/patch.sh ../src/*.ts",
+    "watch": "tsc -watch -p ./",
+    "prepack": "npm run patch && tsc -p ./"
+  },
+  "devDependencies": {
+    "@types/mocha": "^8.2.1",
+    "@types/node": "^18.0.0",
+    "@types/tmp": "^0.2.0",
+    "coc-helper": "^0.16.3",
+    "coc-webview": "^0.12.0",
+    "coc.nvim": "^0.0.83-next.18",
+    "mocha": "^10.2.0",
+    "socket.io": "^4.7.4",
+    "typescript": "^4.2.3"
+  },
+  "dependencies": {
+    "@hpcc-js/wasm": "^1.3.0",
+    "dot-language-server": "1.2.0",
+    "open": "^8.0.2",
+    "tmp": "^0.2.1"
+  }
+}

coc-graphviz/scripts/patch.pl

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+#!/usr/bin/env -S perl -p
+s=//#==;

coc-graphviz/scripts/patch.sh

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+#!/usr/bin/env bash
+set -e
+cd "$(dirname "$(dirname "$(readlink -f "$0")")")"
+
+for file; do
+  # https://stackoverflow.com/questions/30167851/how-to-suppress-a-missing-termination-character-warning-in-cpp/30174912#30174912
+  scripts/patch.pl "$file" | cpp -DHAVE_COC_NVIM -xassembler-with-cpp -nostdinc -P -C -o"${file#*/}"
+done

coc-graphviz/src/.gitignore

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+# all ts files are generated by `npm run patch`
+*
+!.gitignore
+!util.ts

coc-graphviz/src/util.ts

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+import { WebviewAPI } from 'coc-webview'
+import { Extension, extensions, window } from 'coc.nvim'
+
+let webviewExt: Extension<WebviewAPI> | undefined
+
+export const getWebviewAPI = () => {
+  if (!webviewExt) {
+    webviewExt = extensions.all.find((ext) => ext.id === 'coc-webview') as
+      | Extension<WebviewAPI>
+      | undefined
+  }
+  if (!webviewExt) {
+    const prompt = 'Please install the coc-webview extension'
+    void window.showErrorMessage(prompt)
+    throw new Error(prompt)
+  }
+  return webviewExt.exports
+}

coc-graphviz/tsconfig.json

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+{
+  "extends": "../tsconfig",
+  "compilerOptions": {
+    "allowSyntheticDefaultImports": true,
+    "outDir": "out",
+    "rootDir": "."
+  }
+}

src/ContentUtils.ts

@@ -1,10 +1,24 @@
-import { ExtensionContext, Uri, Webview } from "vscode";
+import {
+    ExtensionContext,
+    Uri,
+//# #if HAVE_VSCODE
+    Webview
+} from "vscode";
+//# #elif HAVE_COC_NVIM
+//# } from "coc.nvim";
+//# import { Webview } from "coc-webview";
+//# import { resolve } from "path";
+//# #endif
 var fs = require("fs");
 
 export const CONTENT_FOLDER = "content";
 
 export async function getPreviewTemplate(context: ExtensionContext, templateName: string): Promise<string> {
+    //# #if HAVE_VSCODE
     let previewPath = Uri.joinPath(context.extensionUri, CONTENT_FOLDER, templateName).fsPath;
+    //# #elif HAVE_COC_NVIM
+    //# let previewPath = /* Uri.joinPath */resolve(context.extensionPath/* extensionUri */, CONTENT_FOLDER, templateName)/* .fsPath */;
+    //# #endif
 
     return (await fs.promises.readFile(previewPath, { encoding: "utf-8", flag: 'r' })).toString();
 }
@@ -39,7 +53,11 @@ function isAbsoluteWebview(attribValue: string): boolean {
 }
 
 function getWebviewUri(extensionContext: ExtensionContext, relativePath: string, fileName: string, webview?: Webview): Uri {
+    //# #if HAVE_VSCODE
     return asWebviewUri(Uri.joinPath(extensionContext.extensionUri, relativePath, fileName), webview);
+    //# #elif HAVE_COC_NVIM
+    //# return asWebviewUri(/* Uri.joinPath */Uri.parse("file://" + resolve(extensionContext.extensionPath/* extensionUri */, relativePath, fileName)), webview);
+    //# #endif
 }
 
 function asWebviewUri(localUri: Uri, webview?: Webview): Uri {