52 lines
1.4 KiB
TypeScript
52 lines
1.4 KiB
TypeScript
import * as vscode from "vscode";
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import * as path from "path";
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/**
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* 将相对路径解析为工作区绝对路径
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*/
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export function resolveWorkspaceFilePath(filePath: string): string {
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if (path.isAbsolute(filePath)) {
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return filePath;
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}
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const workspaceFolders = vscode.workspace.workspaceFolders;
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if (!workspaceFolders || workspaceFolders.length === 0) {
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throw new Error("请先打开一个文件夹作为工作区，这样我就能为您修改文件了");
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}
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return path.join(workspaceFolders[0].uri.fsPath, filePath);
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}
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/**
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* 使用 VS Code 原生 diff 视图展示文件修改前后对比
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*/
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export async function showFileDiff(
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filePath: string,
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oldContent: string,
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title?: string
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): Promise<void> {
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const absolutePath = resolveWorkspaceFilePath(filePath);
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const fileUri = vscode.Uri.file(absolutePath);
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const newBytes = await vscode.workspace.fs.readFile(fileUri);
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const newContent = Buffer.from(newBytes).toString("utf-8");
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if (oldContent === newContent) {
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return;
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}
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const language = (await vscode.workspace.openTextDocument(fileUri)).languageId;
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const oldDoc = await vscode.workspace.openTextDocument({
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content: oldContent,
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language,
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});
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const diffTitle = title || `${path.basename(absolutePath)} (修改前 <-> 修改后)`;
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await vscode.commands.executeCommand(
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"vscode.diff",
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oldDoc.uri,
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fileUri,
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diffTitle,
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{ preview: false }
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);
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}
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