feat: Deno.args now does not include script (#3628)

Previously Deno.args was ["script.js", "arg1", "arg2"]
Now it is just ["arg1", "arg2"]
BREAKING CHANGE

cli/js/main.ts

@@ -25,10 +25,8 @@ function denoMain(preserveDenoNamespace = true, name?: string): void {
     assert(s.mainModule.length > 0);
     setLocation(s.mainModule);
   }
-
   log("cwd", s.cwd);
-
+  for (let i = 0; i < s.argv.length; i++) {
-  for (let i = 1; i < s.argv.length; i++) {
     args.push(s.argv[i]);
   }
   log("args", args);

cli/ops/os.rs

@@ -41,11 +41,15 @@ fn op_start(
   _zero_copy: Option<PinnedBuf>,
 ) -> Result<JsonOp, ErrBox> {
   let gs = &state.global_state;
-
+  let script_args = if gs.flags.argv.len() >= 2 {
+    gs.flags.argv.clone().split_off(2)
+  } else {
+    vec![]
+  };
   Ok(JsonOp::Sync(json!({
     "cwd": deno_fs::normalize_path(&env::current_dir().unwrap()),
     "pid": std::process::id(),
-    "argv": gs.flags.argv,
+    "argv": script_args,
     "mainModule": gs.main_module.as_ref().map(|x| x.to_string()),
     "debugFlag": gs.flags.log_level.map_or(false, |l| l == log::Level::Debug),
     "versionFlag": gs.flags.version,

cli/tests/028_args.ts.out

@@ -1,4 +1,3 @@
-028_args.ts
 --arg1
 val1
 --arg2=val2

std/examples/cat.ts

@@ -1,5 +1,5 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-const filenames = Deno.args.slice(1);
+const filenames = Deno.args;
 for (const filename of filenames) {
   const file = await Deno.open(filename);
   await Deno.copy(Deno.stdout, file);

std/examples/catj.ts

@@ -79,7 +79,7 @@ function print(data: any): void {
   }
 }
 
-const parsedArgs = parse(Deno.args.slice(1));
+const parsedArgs = parse(Deno.args);
 
 if (parsedArgs.h || parsedArgs.help || parsedArgs._.length === 0) {
   console.log("Usage: catj [-h|--help] [file...]");

std/examples/gist.ts

@@ -14,7 +14,7 @@ if (!token) {
   Deno.exit(1);
 }
 
-const parsedArgs = parse(Deno.args.slice(1));
+const parsedArgs = parse(Deno.args);
 
 if (parsedArgs._.length === 0) {
   console.error(

std/fs/testdata/empty_dir.ts

@@ -1,6 +1,6 @@
 import { emptyDir } from "../empty_dir.ts";
 
-emptyDir(Deno.args[1])
+emptyDir(Deno.args[0])
   .then(() => {
     Deno.stdout.write(new TextEncoder().encode("success"))
   })

std/fs/testdata/empty_dir_sync.ts

@@ -1,7 +1,7 @@
 import { emptyDirSync } from "../empty_dir.ts";
 
 try {
-  emptyDirSync(Deno.args[1])
+  emptyDirSync(Deno.args[0])
   Deno.stdout.write(new TextEncoder().encode("success"))
 } catch (err) {
   Deno.stdout.write(new TextEncoder().encode(err.message))

std/fs/testdata/exists.ts

@@ -1,6 +1,6 @@
 import { exists } from "../exists.ts";
 
-exists(Deno.args[1])
+exists(Deno.args[0])
   .then(isExist => {
     Deno.stdout.write(new TextEncoder().encode(isExist ? 'exist' :'not exist'))
   })

std/fs/testdata/exists_sync.ts

@@ -1,7 +1,7 @@
 import { existsSync } from "../exists.ts";
 
 try {
-  const isExist = existsSync(Deno.args[1])
+  const isExist = existsSync(Deno.args[0])
   Deno.stdout.write(new TextEncoder().encode(isExist ? 'exist' :'not exist'))
 } catch (err) {
   Deno.stdout.write(new TextEncoder().encode(err.message))

std/http/http_bench.ts

@@ -1,7 +1,7 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { serve } from "./server.ts";
 
-const addr = Deno.args[1] || "127.0.0.1:4500";
+const addr = Deno.args[0] || "127.0.0.1:4500";
 const server = serve(addr);
 const body = new TextEncoder().encode("Hello World");
 

std/installer/mod.ts

@@ -276,7 +276,7 @@ export async function install(
 }
 
 async function main(): Promise<void> {
-  const parsedArgs = parse(args.slice(1), { stopEarly: true });
+  const parsedArgs = parse(args, { stopEarly: true });
 
   if (parsedArgs.h || parsedArgs.help) {
     return showHelp();

std/installer/testdata/args.ts

@@ -6,4 +6,4 @@ function args(args: string[]) {
   Deno.stdout.write(new TextEncoder().encode(JSON.stringify(map)));
 }
 
-args(Deno.args.slice(1));
+args(Deno.args);

std/installer/testdata/echo.ts

@@ -3,4 +3,4 @@ function echo(args: string[]) {
   Deno.stdout.write(new TextEncoder().encode(msg));
 }
 
-echo(Deno.args.slice(1));
+echo(Deno.args);

std/manual.md

@@ -193,7 +193,7 @@ In this program each command-line argument is assumed to be a filename, the file
 is opened, and printed to stdout.
 
 ```ts
-for (let i = 1; i < Deno.args.length; i++) {
+for (let i = 0; i < Deno.args.length; i++) {
   let filename = Deno.args[i];
   let file = await Deno.open(filename);
   await Deno.copy(Deno.stdout, file);
@@ -386,7 +386,7 @@ By default when you use `Deno.run()` subprocess inherits `stdin`, `stdout` and
 you can use `"piped"` option.
 
 ```ts
-const fileNames = Deno.args.slice(1);
+const fileNames = Deno.args;
 
 const p = Deno.run({
   args: [

std/prettier/main.ts

@@ -565,7 +565,7 @@ async function main(opts): Promise<void> {
 }
 
 main(
-  parse(args.slice(1), {
+  parse(args, {
     string: [
       "ignore",
       "ignore-path",

std/prettier/testdata/echox.ts

@@ -5,4 +5,4 @@ async function echox(args: string[]) {
   Deno.exit(0);
 }
 
-echox(Deno.args.slice(1));
+echox(Deno.args);

std/testing/runner.ts

@@ -243,7 +243,7 @@ export async function runTestModules({
 }
 
 async function main(): Promise<void> {
-  const parsedArgs = parse(args.slice(1), {
+  const parsedArgs = parse(args, {
     boolean: ["allow-none", "failfast", "help", "quiet"],
     string: ["exclude"],
     alias: {

test_plugin/tests/test.js

@@ -11,7 +11,7 @@ if (Deno.build.os === "mac") {
   filenameSuffix = ".dylib";
 }
 
-const filename = `../target/${Deno.args[1]}/${filenamePrefix}${filenameBase}${filenameSuffix}`;
+const filename = `../target/${Deno.args[0]}/${filenamePrefix}${filenameBase}${filenameSuffix}`;
 
 const plugin = Deno.openPlugin(filename);
 

tools/deno_http_proxy.ts

@@ -1,8 +1,8 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { serve, ServerRequest } from "../std/http/server.ts";
 
-const addr = Deno.args[1] || "127.0.0.1:4500";
+const addr = Deno.args[0] || "127.0.0.1:4500";
-const originAddr = Deno.args[2] || "127.0.0.1:4501";
+const originAddr = Deno.args[1] || "127.0.0.1:4501";
 const server = serve(addr);
 
 async function proxyRequest(req: ServerRequest): Promise<void> {

tools/deno_tcp.ts

@@ -2,7 +2,7 @@
 // TODO Replace this with a real HTTP server once
 // https://github.com/denoland/deno/issues/726 is completed.
 // Note: this is a keep-alive server.
-const addr = Deno.args[1] || "127.0.0.1:4500";
+const addr = Deno.args[0] || "127.0.0.1:4500";
 const [hostname, port] = addr.split(":");
 const listener = Deno.listen({ hostname, port: Number(port) });
 const response = new TextEncoder().encode(

tools/deno_tcp_proxy.ts

@@ -1,6 +1,6 @@
 // Used for benchmarking Deno's tcp proxy perfromance. See tools/http_benchmark.py
-const addr = Deno.args[1] || "127.0.0.1:4500";
+const addr = Deno.args[0] || "127.0.0.1:4500";
-const originAddr = Deno.args[2] || "127.0.0.1:4501";
+const originAddr = Deno.args[1] || "127.0.0.1:4501";
 
 const [hostname, port] = addr.split(":");
 const [originHostname, originPort] = originAddr.split(":");