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Code Issues Packages 1 Wiki Activity

feat: bring back deno <script> (#2451)

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This commit is contained in:
Bartek Iwańczuk 2019-06-05 19:44:46 +02:00 committed by Ryan Dahl
parent 0b50c698ad
commit 6fa4d2e759
3 changed files with 231 additions and 116 deletions
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285
cli/flags.rs
View file

@ -35,11 +35,61 @@ static ENV_VARIABLES_HELP: &str = "ENVIRONMENT VARIABLES:
DENO_DIR Set deno's base directory
NO_COLOR Set to disable color";
fn add_run_args<'a, 'b>(app: App<'a, 'b>) -> App<'a, 'b> {
app
.arg(
Arg::with_name("allow-read")
.long("allow-read")
.min_values(0)
.takes_value(true)
.use_delimiter(true)
.require_equals(true)
.help("Allow file system read access"),
).arg(
Arg::with_name("allow-write")
.long("allow-write")
.min_values(0)
.takes_value(true)
.use_delimiter(true)
.require_equals(true)
.help("Allow file system write access"),
).arg(
Arg::with_name("allow-net")
.long("allow-net")
.min_values(0)
.takes_value(true)
.use_delimiter(true)
.require_equals(true)
.help("Allow network access"),
).arg(
Arg::with_name("allow-env")
.long("allow-env")
.help("Allow environment access"),
).arg(
Arg::with_name("allow-run")
.long("allow-run")
.help("Allow running subprocesses"),
).arg(
Arg::with_name("allow-hrtime")
.long("allow-hrtime")
.help("Allow high resolution time measurement"),
).arg(
Arg::with_name("allow-all")
.short("A")
.long("allow-all")
.help("Allow all permissions"),
).arg(
Arg::with_name("no-prompt")
.long("no-prompt")
.help("Do not use prompts"),
)
}
pub fn create_cli_app<'a, 'b>() -> App<'a, 'b> {
App::new("deno")
add_run_args(App::new("deno"))
.bin_name("deno")
.global_settings(&[AppSettings::ColorNever])
.settings(&[AppSettings::DisableVersion])
.settings(&[AppSettings::DisableVersion, AppSettings::AllowExternalSubcommands])
.after_help(ENV_VARIABLES_HELP)
.long_about("A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.
@ -53,7 +103,7 @@ To run the REPL:
To execute a sandboxed script:
deno run https://deno.land/welcome.ts
deno https://deno.land/welcome.ts
To evaluate code from the command line:
@ -180,7 +230,7 @@ Automatically downloads Prettier dependencies on first run.
.required(true),
),
).subcommand(
SubCommand::with_name("run")
add_run_args(SubCommand::with_name("run"))
.settings(&[
AppSettings::AllowExternalSubcommands,
AppSettings::DisableHelpSubcommand,
@ -203,51 +253,6 @@ ability to spawn subprocesses.
# run program with all permissions
deno run -A https://deno.land/std/http/file_server.ts",
).arg(
Arg::with_name("allow-read")
.long("allow-read")
.min_values(0)
.takes_value(true)
.use_delimiter(true)
.require_equals(true)
.help("Allow file system read access"),
).arg(
Arg::with_name("allow-write")
.long("allow-write")
.min_values(0)
.takes_value(true)
.use_delimiter(true)
.require_equals(true)
.help("Allow file system write access"),
).arg(
Arg::with_name("allow-net")
.long("allow-net")
.min_values(0)
.takes_value(true)
.use_delimiter(true)
.require_equals(true)
.help("Allow network access"),
).arg(
Arg::with_name("allow-env")
.long("allow-env")
.help("Allow environment access"),
).arg(
Arg::with_name("allow-run")
.long("allow-run")
.help("Allow running subprocesses"),
).arg(
Arg::with_name("allow-hrtime")
.long("allow-hrtime")
.help("Allow high resolution time measurement"),
).arg(
Arg::with_name("allow-all")
.short("A")
.long("allow-all")
.help("Allow all permissions"),
).arg(
Arg::with_name("no-prompt")
.long("no-prompt")
.help("Do not use prompts"),
).subcommand(
// this is a fake subcommand - it's used in conjunction with
// AppSettings:AllowExternalSubcommand to treat it as an
@ -293,6 +298,11 @@ Demonstrates breaking the input up by space delimiter instead of by lines:
.help("Set delimiter, defaults to newline")
.takes_value(true),
).arg(Arg::with_name("code").takes_value(true).required(true)),
).subcommand(
// this is a fake subcommand - it's used in conjunction with
// AppSettings:AllowExternalSubcommand to treat it as an
// entry point script
SubCommand::with_name("<script>").about("Script to run"),
)
}
@ -319,7 +329,7 @@ fn resolve_paths(paths: Vec<String>) -> Vec<String> {
/// Parse ArgMatches into internal DenoFlags structure.
/// This method should not make any side effects.
pub fn parse_flags(matches: ArgMatches) -> DenoFlags {
pub fn parse_flags(matches: &ArgMatches) -> DenoFlags {
let mut flags = DenoFlags::default();
if matches.is_present("log-debug") {
@ -347,62 +357,74 @@ pub fn parse_flags(matches: ArgMatches) -> DenoFlags {
flags.v8_flags = Some(v8_flags);
}
flags = parse_permission_args(flags, matches);
// flags specific to "run" subcommand
if let Some(run_matches) = matches.subcommand_matches("run") {
if run_matches.is_present("allow-read") {
if run_matches.value_of("allow-read").is_some() {
let read_wl = run_matches.values_of("allow-read").unwrap();
let raw_read_whitelist: Vec<String> =
read_wl.map(std::string::ToString::to_string).collect();
flags.read_whitelist = resolve_paths(raw_read_whitelist);
debug!("read whitelist: {:#?}", &flags.read_whitelist);
} else {
flags.allow_read = true;
}
}
if run_matches.is_present("allow-write") {
if run_matches.value_of("allow-write").is_some() {
let write_wl = run_matches.values_of("allow-write").unwrap();
let raw_write_whitelist =
write_wl.map(std::string::ToString::to_string).collect();
flags.write_whitelist = resolve_paths(raw_write_whitelist);
debug!("write whitelist: {:#?}", &flags.write_whitelist);
} else {
flags.allow_write = true;
}
}
if run_matches.is_present("allow-net") {
if run_matches.value_of("allow-net").is_some() {
let net_wl = run_matches.values_of("allow-net").unwrap();
flags.net_whitelist =
net_wl.map(std::string::ToString::to_string).collect();
debug!("net whitelist: {:#?}", &flags.net_whitelist);
} else {
flags.allow_net = true;
}
}
if run_matches.is_present("allow-env") {
flags.allow_env = true;
}
if run_matches.is_present("allow-run") {
flags.allow_run = true;
}
if run_matches.is_present("allow-hrtime") {
flags.allow_hrtime = true;
}
if run_matches.is_present("allow-all") {
flags.allow_read = true;
flags.allow_env = true;
flags.allow_net = true;
flags.allow_run = true;
flags = parse_permission_args(flags.clone(), run_matches);
}
flags
}
/// Parse permission specific matches Args and assign to DenoFlags.
/// This method is required because multiple subcommands use permission args.
fn parse_permission_args(
mut flags: DenoFlags,
matches: &ArgMatches,
) -> DenoFlags {
if matches.is_present("allow-read") {
if matches.value_of("allow-read").is_some() {
let read_wl = matches.values_of("allow-read").unwrap();
let raw_read_whitelist: Vec<String> =
read_wl.map(std::string::ToString::to_string).collect();
flags.read_whitelist = resolve_paths(raw_read_whitelist);
debug!("read whitelist: {:#?}", &flags.read_whitelist);
} else {
flags.allow_read = true;
}
}
if matches.is_present("allow-write") {
if matches.value_of("allow-write").is_some() {
let write_wl = matches.values_of("allow-write").unwrap();
let raw_write_whitelist =
write_wl.map(std::string::ToString::to_string).collect();
flags.write_whitelist = resolve_paths(raw_write_whitelist);
debug!("write whitelist: {:#?}", &flags.write_whitelist);
} else {
flags.allow_write = true;
flags.allow_hrtime = true;
}
if run_matches.is_present("no-prompt") {
flags.no_prompts = true;
}
if matches.is_present("allow-net") {
if matches.value_of("allow-net").is_some() {
let net_wl = matches.values_of("allow-net").unwrap();
flags.net_whitelist =
net_wl.map(std::string::ToString::to_string).collect();
debug!("net whitelist: {:#?}", &flags.net_whitelist);
} else {
flags.allow_net = true;
}
}
if matches.is_present("allow-env") {
flags.allow_env = true;
}
if matches.is_present("allow-run") {
flags.allow_run = true;
}
if matches.is_present("allow-hrtime") {
flags.allow_hrtime = true;
}
if matches.is_present("allow-all") {
flags.allow_read = true;
flags.allow_env = true;
flags.allow_net = true;
flags.allow_run = true;
flags.allow_read = true;
flags.allow_write = true;
flags.allow_hrtime = true;
}
if matches.is_present("no-prompt") {
flags.no_prompts = true;
}
flags
}
@ -430,7 +452,7 @@ pub fn flags_from_vec(
let cli_app = create_cli_app();
let matches = cli_app.get_matches_from(args);
let mut argv: Vec<String> = vec!["deno".to_string()];
let mut flags = parse_flags(matches.clone());
let mut flags = parse_flags(&matches.clone());
let subcommand = match matches.subcommand() {
("eval", Some(eval_match)) => {
@ -511,6 +533,20 @@ pub fn flags_from_vec(
DenoSubcommand::Xeval
}
("version", Some(_)) => DenoSubcommand::Version,
(script, Some(script_match)) => {
argv.extend(vec![script.to_string()]);
// check if there are any extra arguments that should
// be passed to script
if script_match.is_present("") {
let script_args: Vec<String> = script_match
.values_of("")
.unwrap()
.map(String::from)
.collect();
argv.extend(script_args);
}
DenoSubcommand::Run
}
_ => {
flags.allow_net = true;
flags.allow_env = true;
@ -949,4 +985,53 @@ mod tests {
svec!["deno", PRETTIER_URL, "script_1.ts", "script_2.ts"]
);
}
#[test]
fn test_flags_from_vec_23() {
let (flags, subcommand, argv) = flags_from_vec(svec!["deno", "script.ts"]);
assert_eq!(flags, DenoFlags::default());
assert_eq!(subcommand, DenoSubcommand::Run);
assert_eq!(argv, svec!["deno", "script.ts"]);
}
#[test]
fn test_flags_from_vec_24() {
let (flags, subcommand, argv) =
flags_from_vec(svec!["deno", "--allow-net", "--allow-read", "script.ts"]);
assert_eq!(
flags,
DenoFlags {
allow_net: true,
allow_read: true,
..DenoFlags::default()
}
);
assert_eq!(subcommand, DenoSubcommand::Run);
assert_eq!(argv, svec!["deno", "script.ts"]);
}
#[test]
fn test_flags_from_vec_25() {
let (flags, subcommand, argv) = flags_from_vec(svec![
"deno",
"-r",
"-D",
"--allow-net",
"run",
"--allow-read",
"script.ts"
]);
assert_eq!(
flags,
DenoFlags {
reload: true,
log_debug: true,
allow_net: true,
allow_read: true,
..DenoFlags::default()
}
);
assert_eq!(subcommand, DenoSubcommand::Run);
assert_eq!(argv, svec!["deno", "script.ts"]);
}
}

2
website/index.html
View file

@ -108,7 +108,7 @@ href="https://github.com/denoland/deno_install/blob/master/install.ps1">https://
<h2 id="example">Example <a href="#example">#</a></h2>
<p>Try running a simple program:</p>
<pre>deno run https://deno.land/welcome.ts</pre>
<pre>deno https://deno.land/welcome.ts</pre>
<p>Or a more complex one:</p>

60
website/manual.md
View file

@ -593,30 +593,60 @@ if (import.meta.main) {
```shellsession
deno
A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.
Docs: https://deno.land/manual.html
Modules: https://github.com/denoland/deno_std
Bugs: https://github.com/denoland/deno/issues
To run the REPL:
deno
To execute a sandboxed script:
deno https://deno.land/welcome.ts
To evaluate code from the command line:
deno eval "console.log(30933 + 404)"
To get help on the another subcommands (run in this case):
deno help run
USAGE:
deno [FLAGS] [OPTIONS] [SUBCOMMAND]
FLAGS:
-h, --help Prints help information
-D, --log-debug Log debug output
-r, --reload Reload source code cache (recompile TypeScript)
--v8-options Print V8 command line options
-A, --allow-all Allow all permissions
--allow-env Allow environment access
--allow-hrtime Allow high resolution time measurement
--allow-run Allow running subprocesses
-h, --help Prints help information
-D, --log-debug Log debug output
--no-prompt Do not use prompts
-r, --reload Reload source code cache (recompile TypeScript)
--v8-options Print V8 command line options
OPTIONS:
-c, --config <FILE> Load compiler configuration file
--v8-flags=<v8-flags> Set V8 command line options
--allow-net=<allow-net> Allow network access
--allow-read=<allow-read> Allow file system read access
--allow-write=<allow-write> Allow file system write access
-c, --config <FILE> Load compiler configuration file
--v8-flags=<v8-flags> Set V8 command line options
SUBCOMMANDS:
eval Eval script
fetch Fetch the dependencies
fmt Format files
help Prints this message or the help of the given subcommand(s)
info Show source file related info
run Run a program given a filename or url to the source code
types Print runtime TypeScript declarations
version Print the version
xeval Eval a script on text segments from stdin
<script> Script to run
eval Eval script
fetch Fetch the dependencies
fmt Format files
help Prints this message or the help of the given subcommand(s)
info Show source file related info
run Run a program given a filename or url to the source code
types Print runtime TypeScript declarations
version Print the version
xeval Eval a script on text segments from stdin
ENVIRONMENT VARIABLES:
DENO_DIR Set deno's base directory