feat: autocomplete module

Author: loks0n

Diff for: packages/create-app/src/files.ts

@@ -320,3 +320,35 @@ void proposeCompletions(app, inputs, buildContext(process)).then((completions) =
     // ignore
 });
 `;
+
+export const binFishCompleteModuleText = `#!/usr/bin/env node
+import { proposeCompletions } from "@stricli/core";
+import { buildContext } from "../context";
+import { app } from "../app";
+
+const inputs = process.argv.slice(2);
+
+try {
+  const completions = await proposeCompletions(app, inputs, buildContext(process));
+  for (const { completion } of completions) {
+    process.stdout.write(\`\${completion}\n\`);
+  }
+} catch {
+  // ignore errors
+}
+`;
+
+export const binFishCompleteScriptText = `#!/usr/bin/env node
+import { proposeCompletions } from "@stricli/core";
+import { buildContext } from "../context";
+import { app } from "../app";
+
+const inputs = process.argv.slice(2);
+void proposeCompletions(app, inputs, buildContext(process)).then((completions) => {
+  for (const { completion } of completions) {
+    process.stdout.write(\`\${completion}\n\`);
+  }
+}, () => {
+  // ignore errors
+});
+`;

Diff for: packages/create-app/src/impl.ts

@@ -6,6 +6,8 @@ import type { LocalContext } from "./context";
 import {
     binBashCompleteModuleText,
     binBashCompleteScriptText,
+    binFishCompleteModuleText,
+    binFishCompleteScriptText,
     binCliModuleText,
     binCliScriptText,
     buildMultiCommandAppWithAutoCompleteText,
@@ -40,6 +42,10 @@ function calculateBashCompletionCommand(command: string): string {
     return `__${command}_bash_complete`;
 }
 
+function calculateFishCompletionCommand(command: string): string {
+    return `__${command}_fish_complete`;
+}
+
 type PackageJsonTemplateValues = Pick<PackageJson.PackageJsonStandard, "name"> &
     Required<Pick<PackageJson.PackageJsonStandard, "author" | "description" | "license" | "type">>;
 
@@ -82,7 +88,7 @@ function buildPackageJson(
     };
 }
 
-function addAutoCompleteBin(packageJson: LocalPackageJson, bashCompleteCommandName: string): LocalPackageJson {
+function addAutoCompleteBin(packageJson: LocalPackageJson, bashCompleteCommandName: string, fishCompleteCommandName: string): LocalPackageJson {
     return {
         ...packageJson,
         dependencies: {
@@ -92,11 +98,12 @@ function addAutoCompleteBin(packageJson: LocalPackageJson, bashCompleteCommandNa
         bin: {
             ...(packageJson.bin as Record<string, string>),
             [bashCompleteCommandName]: "dist/bash-complete.js",
+            [fishCompleteCommandName]: "dist/fish-complete.js",
         },
         tsup: {
             ...packageJson.tsup,
             /* c8 ignore next */
-            entry: [...(packageJson.tsup?.entry ?? []), "src/bin/bash-complete.ts"],
+            entry: [...(packageJson.tsup?.entry ?? []), "src/bin/bash-complete.ts", "src/bin/fish-complete.ts"],
         },
     };
 }
@@ -158,15 +165,16 @@ export default async function (this: LocalContext, flags: CreateProjectFlags, di
     );
 
     const bashCommandName = calculateBashCompletionCommand(commandName);
+    const fishCommandName = calculateFishCompletionCommand(commandName);
 
     if (flags.autoComplete) {
-        packageJson = addAutoCompleteBin(packageJson, bashCommandName);
+        packageJson = addAutoCompleteBin(packageJson, bashCommandName, fishCommandName);
         if (flags.template === "multi") {
             packageJson = addPostinstallScript(packageJson, `${commandName} install`);
         } else {
             packageJson = addPostinstallScript(
                 packageJson,
-                `npx @stricli/auto-complete@latest install ${commandName} --bash ${bashCommandName}`,
+                `npx @stricli/auto-complete@latest install ${commandName} --bash ${bashCommandName} --fish ${fishCommandName}`,
             );
         }
         await writeFile("src/context.ts", localContextWithAutoCompleteText);
@@ -209,5 +217,10 @@ export default async function (this: LocalContext, flags: CreateProjectFlags, di
             "src/bin/bash-complete.ts",
             flags.type === "module" ? binBashCompleteModuleText : binBashCompleteScriptText,
         );
+
+        await writeFile(
+            "src/bin/fish-complete.ts",
+            flags.type === "module" ? binFishCompleteModuleText : binFishCompleteScriptText,
+        );
     }
 }