fix: README

Author: DenisGorbachev

README.ts

@@ -1,9 +1,18 @@
-#!/usr/bin/env -S deno run --allow-read --allow-run=bash,git,cargo --allow-net=docs.rs:443 --allow-env --allow-sys
+#!/usr/bin/env -S deno run --allow-write --allow-read --allow-run=bash,git,cargo --allow-net=docs.rs:443 --allow-env --allow-sys --no-lock
 
-import * as zx from "npm:zx"
+// NOTE: Pin the versions of the packages because the script runs without a lock file
+import * as zx from "npm:zx@8.3.2"
 import { z, ZodSchema, ZodTypeDef } from "https://deno.land/x/zod@v3.23.8/mod.ts"
 import { assert, assertEquals } from "jsr:@std/assert@1.0.0"
 import { toSnakeCase } from "jsr:@std/text@1.0.10"
+import { parseArgs } from "jsr:@std/cli@1.0.13"
+
+export const args = parseArgs(Deno.args, {
+    string: ["output"],
+    alias: {
+        output: "o",
+    },
+})
 
 const CargoTomlSchema = z.object({
     package: z.object({
@@ -165,7 +174,7 @@ Unless you explicitly state otherwise, any contribution intentionally submitted
 
 const body = renderNonEmptySections(sections)
 
-console.info(`
+const content = `
 <!-- DO NOT EDIT -->
 <!-- This file is automatically generated by README.ts. -->
 <!-- Edit README.ts if you want to make changes. -->
@@ -174,4 +183,12 @@ console.info(`
 
 ${titleSectionBody}
 
-${body}`.trim())
+${body}`.trim()
+
+if (args.output) {
+    const encoder = new TextEncoder()
+    const bytes = encoder.encode(content + "\n")
+    await Deno.writeFile(args.output, bytes)
+} else {
+    console.info(content)
+}

deno.lock

@@ -66,7 +66,7 @@ run = "cargo check --all-targets"
 run = "cargo fix --workspace --allow-dirty --allow-staged"
 
 [tasks."gen:readme"]
-run = "./README.ts > README.md"
+run = "./README.ts --output README.md"
 sources = ["README.ts"]
 outputs = ["README.md"]