Commit Graph

47 Commits

Author SHA1 Message Date
Douglas
ad31f1cf26
Fix dirs removal warning (#14029)
# Description

* Primary purpose is to fix an issue with a missing escaped opening
parenthesis in the warning message when running an old `dirs` alias.
This was creating an error condition from improper interpolation.

Also

* Incorporates #13842 feedback from @kubouch by renaming `std/lib` to
`std/util`
* Removes duplication of code in `export-env`
* Renames submodule exports to `std/<submodule>` rather than
`./<submodule>` - No user-facing change other than `view files` appears
"prettier".
* In #13842, I converted the test cases to use `use std/<module>`
syntax. Previously, the tests were (effectively) using `use std *` (due
to pre-existing bugs, now fixed).

So "before", we only had test coverage on `use std *`, and "after" we
only had test coverage on `use std/<module>`. I've started adding test
cases so that we have coverage on *both* scenarios going forward.

For now, `formats` and `util` have been updated with tests for both
scenarios. I'll continue adding the others in future PRs.

# User-Facing Changes

No user-facing changes - Bug fix, refactor, and test cases only

# Tests + Formatting

- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`

# After Submitting

Still working on updating the Doc. I ran into the `dirs` issue while
writing it and rabbit-trailed to fix it in this PR.
2024-10-09 08:03:33 -05:00
Douglas
00709fc5bd
Improves startup time when using std-lib (#13842)
Updated summary for commit
[612e0e2](612e0e2160)
- While folks are welcome to read through the entire comments, the core
information is summarized here.

# Description

This PR drastically improves startup times of Nushell by only parsing a
single submodule of the Standard Library that provides the `banner` and
`pwd` commands. All other Standard Library commands and submodules are
parsed when imported by the user. This cuts startup times by more than
60%.

At the moment, we have stopped adding to `std-lib` because every
addition adds a small amount to the Nushell startup time.
With this change, we should once again be able to allow new
functionality to be added to the Standard Library without it impacting
`nu` startup times.

# User-Facing Changes

* Nushell now starts about 60% faster
* Breaking change: The `dirs` (Shells) aliases will return a warning
message that it will not be auto-loaded in the following release, along
with instructions on how to restore it (and disable the message)
* The `use std <submodule> *` syntax is available for convenience, but
should be avoided in scripts as it parses the entire `std` module and
all other submodules and places it in scope. The correct syntax to
*just* load a submodule is `use std/<submodule> *` (asterisk optional).
The slash is important. This will be documented.
* `use std *` can be used for convenience to load all of the library but
still incurs the full loading-time.
* `std/dirs`: Semi-breaking change. The `dirs` command replaces the
`show` command. This is more in line with the directory-stack
functionality found in other shells. Existing users will not be impacted
by this as the alias (`shells`) remains the same.

* Breaking-change: Technically a breaking change, but probably only
impacts maintainers of `std`. The virtual path for the standard library
has changed. It could previously be imported using its virtual path (and
technically, this would have been the correct way to do it):

  ```nu
  use NU_STDLIB_VIRTUAL_DIR/std
  ```

  The path is now simply `std/`:

  ```nu
  use std
  ```

  All submodules have moved accordingly.
  

# Timings

Comparisons below were made:

* In a temporary, clean config directory using `$env.XDG_CONFIG_HOME =
(mktemp -d)`.
* `nu` was run with a release build
* `nu` was run one time to generate the default `config.nu` (etc.) files
- Otherwise timings would include the user-prompt
* The shell was exited and then restarted several times to get timing
samples

(Note: Old timings based on 0.97 rather than 0.98, but in the range of
being accurate)

| Scenario | `$nu.startup-time` |
| --- | --- |
| 0.97.2
([aaaab8e](aaaab8e070))
Without this PR | 23ms - 24ms |
| This PR with deprecated commands | 9ms - <11ms |
| This PR after deprecated commands are removed in following release |
8ms - <10ms |
| Final PR (remove deprecated), using `--no-std-lib` | 6.1ms to 6.4ms |
| Final PR (remove deprecated), using `--no-config-file` | 3.1ms - 3.6ms
|
| Final PR (remove deprecated), using `--no-config-file --no-std-lib` |
1ms - 1.5ms |

*These last two timings point to the opportunity for further
optimization (see comment in thread below (will link once I write it).*

# Implementation details for future maintenance

* `use std banner` is a ridiculously deceptive call. That call parses
and imports *all* of `std` into scope. Simply replacing it with `use
std/core *` is essentially what saves ~14-15ms. This *only* imports the
submodule with the `banner` and `pwd` commands.

* From the code-comments, the reason that `NU_STDLIB_VIRTUAL_DIR` was
used as a prefix was so that there wouldn't be an issue if a user had a
`./std/mod.nu` in the current directory. This does **not** appear to be
an issue. After removing the prefix, I tested with both a relative
module as well as one in the `$env.NU_LIB_DIRS` path, and in all cases
the *internal* `std` still took precedence.

* By removing the prefix, users can now `use std` (and variants) without
requiring that it already be parsed and in scope.

* In the next release, we'll stop autoloading the `dirs` (shells)
functionality. While this only costs an additional 1-1.5ms, I think it's
better moved to the `config.nu` where the user can optionally remove it.
The main reason is its use of aliases (which have also caused issues) -
The `n`, `p`, and `g` short-commands are valuable real-estate, and users
may want to map these to something else.
  
For this release, there's an `deprecated_dirs` module that is still
autoloaded. As with the top-level commands, use of these will give a
deprecation warning with instructions on how to handle going forward.

To help with this, moved the aliases to their own submodule inside the
`dirs` module.

* Also sneaks in a small change where the top-level `dirs` command is
now the replacement for `dirs show`

* Fixed a double-import of `assert` in `dirs.nu`
* The `show_banner` step is replaced with simply `banner` rather than
re-importing it.

* A `virtual_path` may now be referenced with either a forward-slash or
a backward-slash on Windows. This allows `use std/<submodule>` to work
on all platforms.

# Performance side-notes:

* Future parsing and/or IR improvements should improve performance even
further.
* While the existing load time penalty of `std-lib` was not noticeable
on many systems, Nushell runs on a wide-variety of hardware and OS
platforms. Slower platforms will naturally see a bigger jump in
performance here. For users starting multiple Nushell sessions
frequently (e.g., `tmux`, Zellij, `screen`, et. al.) it is recommended
to keep total startup time (including user configuration) under ~250ms.

# Tests + Formatting

* All tests are green

* Updated tests:
- Removed the test that confirmed that `std` was loaded (since we
don't).
- Removed the `shells` test since it is not autoloaded. Main `dirs.nu`
functionality is tested through `stdlib-test`.
- Many tests assumed that the library was fully loaded, because it was
(even though we didn't intend for it to be). Fixed those tests.
- Tests now import only the necessary submodules (e.g., `use
std/assert`, rather than `use std assert`)
- Some tests *thought* they were loading `std/log`, but were doing so
improperly. This was masked by the now-fixed "load-everything-into-scope
bug". Local CI would pass due the `$env.NU_LOG_<...>` variables being
inherited from the calling process, but would fail in the "clean" GitHub
CI environment. These tests have also been fixed.

 * Added additional tests for the changes

# After Submitting

Will update the Standard Library doc page
2024-10-03 06:28:22 -05:00
Wind
1514b9fbef
don't show result in error make examples (#13296)
# Description
Fixes: #13189 

The issue is caused `error make` returns a `Value::Errror`, and when
nushell pass it to `table -e` in `std help`, it directly stop and render
the error message.
To solve it, I think it's safe to make these examples return None
directly, it doesn't change the reult of `help error make`.

# User-Facing Changes
## Before
```nushell
~> help "error make"
Error: nu:🐚:eval_block_with_input

  × Eval block failed with pipeline input
     ╭─[NU_STDLIB_VIRTUAL_DIR/std/help.nu:692:21]
 691 │ ] {
 692 │     let commands = (scope commands | sort-by name)
     ·                     ───────┬──────
     ·                            ╰── source value
 693 │
     ╰────

Error:   × my custom error message
```

## After
```nushell
Create an error.

Search terms: panic, crash, throw

Category: core

This command:
- does not create a scope.
- is a built-in command.
- is a subcommand.
- is not part of a plugin.
- is not a custom command.
- is not a keyword.

Usage:
  > error make {flags} <error_struct>


Flags:

  -u, --unspanned - remove the origin label from the error
  -h, --help - Display the help message for this command

Signatures:

  <nothing> | error make[ <record>] -> <any>

Parameters:

  error_struct: <record> The error to create.


Examples:
  Create a simple custom error
  > error make {msg: "my custom error message"}


  Create a more complex custom error
  > error make {
        msg: "my custom error message"
        label: {
            text: "my custom label text"  # not mandatory unless $.label exists
            # optional
            span: {
                # if $.label.span exists, both start and end must be present
                start: 123
                end: 456
            }
        }
        help: "A help string, suggesting a fix to the user"  # optional
    }


  Create a custom error for a custom command that shows the span of the argument
  > def foo [x] {
        error make {
            msg: "this is fishy"
            label: {
                text: "fish right here"
                span: (metadata $x).span
            }
        }
    }
```
# Tests + Formatting
Added 1 test
2024-07-05 07:17:07 -05:00
NotTheDr01ds
a2873336bb
Fix do signature (#13216)
Recommend holding until after #13125 is fully digested and *possibly*
until 0.96.

# Description

Fixes one of the issues described in #13125 

The `do` signature included a `SyntaxShape:Any` as one of the possible
first-positional types. This is incorrect. `do` only takes a closure as
a positional. This had the result of:

1. Moving what should have been a parser error to evaluation-time

   ## Before

   ```nu
   > do 1
   Error: nu:🐚:cant_convert

     × Can't convert to Closure.
      ╭─[entry #26:1:4]
    1 │ do 1
      ·    ┬
      ·    ╰── can't convert int to Closure
      ╰────
   ```

   ## After

   ```nu
   > do 1
   Error: nu::parser::parse_mismatch

     × Parse mismatch during operation.
      ╭─[entry #5:1:4]
    1 │ do 1
      ·    ┬
      ·    ╰── expected block, closure or record
      ╰────
   ```  

2. Masking a bad test in `std assert`

This is a bit convoluted, but `std assert` tests included testing
`assert error` to make sure it:

* Asserts on bad code
* Doesn't assert on good code

The good-code test was broken, and was essentially bad-code (really
bad-code) that wasn't getting caught due to the bad signature.

Fixing this resulted in *parse time* failures on every call to
`test_asserts` (not something that particular test was designed to
handle.

This PR also fixes the test case to properly evaluate `std assert error`
against a good code path.

# User-Facing Changes

* Error-type returned (possible breaking change?)

# Tests + Formatting

- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`

# After Submitting

N/A
2024-06-29 16:17:06 -05:00
Tim Martin
153b45bc63
Surprising symlink resolution for std path add (#13258)
# Description
The standard library's `path add` function has some surprising side
effects that I attempt to address in this PR:

1. Paths added, if they are symbolic links, should not be resolved to
their targets. Currently, resolution happens.

   Imagine the following:

   ```nu
# Some time earlier, perhaps even not by the user, a symlink is created
   mkdir real-dir
   ln -s real-dir link-dir

   # Then, step to now, with link-dir that we want in our PATHS variable
   use std
   path add link-dir
   ```

In the current implementation of `path add`, it is _not_ `link-dir` that
will be added, as has been stated in the command. It is instead
`real-dir`. This is surprising. Users have the agency to do this
resolution if they wish with `path expand` (sans a `--no-symlink` flag):
for example, `path add (link-dir | path expand)`

In particular, when I was trying to set up
[fnm](https://github.com/Schniz/fnm), a Node.js version manager, I was
bitten by this fact when `fnm` told me that an expected path had not
been added to the PATHS variable. It was looking for the non-resolved
link. The user in [this
comment](https://github.com/Schniz/fnm/issues/463#issuecomment-1710050737)
was likely affected by this too.

Shells, such as nushell, can handle path symlinks just fine. Binary
lookup is unaffected. Let resolution be opt-in.

Lastly, there is some convention already in place for **not** resolving
path symlinks in the [default $env.ENV_CONVERSIONS
table](57452337ff/crates/nu-utils/src/sample_config/default_env.nu (L65)).
   
2. All existing paths in the path variable should be left untouched.
Currently, they are `path expand`-ed (including symbolic link
resolution).

   Path add should mean just that: prepend/append this path.

Instead, it currently means that, _plus mutate all other paths in the
variable_.

Again, users have the agency to do this with something like `$env.PATH =
$env.PATH | split row (char esep) | path expand`.

3. Minorly, I update documentation on running tests in
`crates/nu-std/CONTRIBUTING.md`. The offered command to run the standard
library test suite was no longer functional. Thanks to @weirdan in [this
Discord
conversation](https://discord.com/channels/601130461678272522/614593951969574961/1256029201119576147)
for the context.

# User-Facing Changes

(Written from the perspective of release notes)

- The standard library's `path add` function no longer resolves symlinks
in either the newly added paths, nor the other paths already in the
variable.

# Tests + Formatting

A test for the changes working correctly has been added to
`crates/nu-std/tests/test_std.nu` under the test named
`path_add_expand`.

You can quickly verify this new test and the existing `path add` test
with the following command:

```nu
cargo run -- -c 'use crates/nu-std/testing.nu; NU_LOG_LEVEL=INFO testing run-tests --path crates/nu-std --test path_add'
```

All commands suggested in the issue template have been run and complete
without error.

# After Submitting
I'll add a release note to [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged.
2024-06-28 18:11:48 -05:00
Wind
f53aa6fcbf
fix std help (#12943)
# Description
Fixes: #12941

~~The issue is cause by some columns(is_builtin, is_plugin, is_custom,
is_keyword) are removed in #10023~~
Edit: I'm wrong

# Tests + Formatting
Added one test for `std help`
2024-05-23 08:51:02 -05:00
Stefan Holderbach
c9e9b138eb
Improve with-env robustness (#12523)
# Description
Work for #7149

- **Error `with-env` given uneven count in list form**
- **Fix `with-env` `CantConvert` to record**
- **Error `with-env` when given protected env vars**
- **Deprecate list/table input of vars to `with-env`**
- **Remove examples for deprecated input**

# User-Facing Changes

## Deprecation of the following forms

```
> with-env [MYENV "my env value"] { $env.MYENV }
my env value

> with-env [X Y W Z] { $env.X }
Y

> with-env [[X W]; [Y Z]] { $env.W }
Z
```

## recommended standardized form

```
# Set by key-value record
> with-env {X: "Y", W: "Z"} { [$env.X $env.W] }
╭───┬───╮
│ 0 │ Y │
│ 1 │ Z │
╰───┴───╯
```

## (Side effect) Repeated definitions in an env shorthand are now
disallowed

```
> FOO=bar FOO=baz $env
Error: nu:🐚:column_defined_twice

  × Record field or table column used twice: FOO
   ╭─[entry #1:1:1]
 1 │ FOO=bar FOO=baz $env
   · ─┬─     ─┬─
   ·  │       ╰── field redefined here
   ·  ╰── field first defined here
   ╰────
```
2024-04-16 19:08:58 +08:00
Antoine Stevan
39156930f5
fix std log (#12470)
related to
- https://github.com/nushell/nushell/pull/12196

# Description
while i'm 100% okey with the original intent behind
https://github.com/nushell/nushell/pull/12196, i think the PR did
introduce two unintended things:
- extra parentheses that make the `log.nu` module look like Lisp lol
- a renaming of the `NU_LOG_LEVEL` environment variable to
`NU_log-level`. this breaks previous usage of `std log` and, as it's not
mentionned at all in the PR, i thought it was not intentional 😋

# User-Facing Changes
users can now control `std log` with `$env.NU_LOG_LEVEL`

# Tests + Formatting
the "log" tests have been fixed as well.

# After Submitting
2024-04-10 17:30:58 -04:00
Devyn Cairns
d735607ac8
Isolate tests from user config (#12437)
# Description
This is an attempt to isolate the unit tests from whatever might be in
the user's config. If the
user's config is broken in some way or incompatible with this version
(for example, especially if
there are plugins that aren't built for this version), tests can
spuriously fail.

This makes tests more reliably pass the same way they would on CI even
if the user has config, and
should also make them run faster.

I think this is _good enough_, but I still think we should have a
specific config dir env variable for nushell specifically (rather than
having to use `XDG_CONFIG_HOME`, which would mess with other things) and
then we can just have `nu-test-support` set that to a temporary dir
containing the shipped default config files.

# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
2024-04-10 06:27:46 +08:00
dannou812
8237d15683
to json -r not removing whitespaces fix (#11948)
fixes #11900  

# Description
Use `serde_json` instead.

# User-Facing Changes
The problem described in the issue now no longer persists.

No whitespace in the output of `to json --raw`
Output of unicode escape changed to consistent `\uffff`

# Tests + Formatting
I corrected all Tests that were affected by this change.
2024-03-20 22:14:31 +01:00
Ian Manske
b6c7656194
IO and redirection overhaul (#11934)
# Description
The PR overhauls how IO redirection is handled, allowing more explicit
and fine-grain control over `stdout` and `stderr` output as well as more
efficient IO and piping.

To summarize the changes in this PR:
- Added a new `IoStream` type to indicate the intended destination for a
pipeline element's `stdout` and `stderr`.
- The `stdout` and `stderr` `IoStream`s are stored in the `Stack` and to
avoid adding 6 additional arguments to every eval function and
`Command::run`. The `stdout` and `stderr` streams can be temporarily
overwritten through functions on `Stack` and these functions will return
a guard that restores the original `stdout` and `stderr` when dropped.
- In the AST, redirections are now directly part of a `PipelineElement`
as a `Option<Redirection>` field instead of having multiple different
`PipelineElement` enum variants for each kind of redirection. This
required changes to the parser, mainly in `lite_parser.rs`.
- `Command`s can also set a `IoStream` override/redirection which will
apply to the previous command in the pipeline. This is used, for
example, in `ignore` to allow the previous external command to have its
stdout redirected to `Stdio::null()` at spawn time. In contrast, the
current implementation has to create an os pipe and manually consume the
output on nushell's side. File and pipe redirections (`o>`, `e>`, `e>|`,
etc.) have precedence over overrides from commands.

This PR improves piping and IO speed, partially addressing #10763. Using
the `throughput` command from that issue, this PR gives the following
speedup on my setup for the commands below:
| Command | Before (MB/s) | After (MB/s) | Bash (MB/s) |
| --------------------------- | -------------:| ------------:|
-----------:|
| `throughput o> /dev/null` | 1169 | 52938 | 54305 |
| `throughput \| ignore` | 840 | 55438 | N/A |
| `throughput \| null` | Error | 53617 | N/A |
| `throughput \| rg 'x'` | 1165 | 3049 | 3736 |
| `(throughput) \| rg 'x'` | 810 | 3085 | 3815 |

(Numbers above are the median samples for throughput)

This PR also paves the way to refactor our `ExternalStream` handling in
the various commands. For example, this PR already fixes the following
code:
```nushell
^sh -c 'echo -n "hello "; sleep 0; echo "world"' | find "hello world"
```
This returns an empty list on 0.90.1 and returns a highlighted "hello
world" on this PR.

Since the `stdout` and `stderr` `IoStream`s are available to commands
when they are run, then this unlocks the potential for more convenient
behavior. E.g., the `find` command can disable its ansi highlighting if
it detects that the output `IoStream` is not the terminal. Knowing the
output streams will also allow background job output to be redirected
more easily and efficiently.

# User-Facing Changes
- External commands returned from closures will be collected (in most
cases):
  ```nushell
  1..2 | each {|_| nu -c "print a" }
  ```
This gives `["a", "a"]` on this PR, whereas this used to print "a\na\n"
and then return an empty list.

  ```nushell
  1..2 | each {|_| nu -c "print -e a" }
  ```
This gives `["", ""]` and prints "a\na\n" to stderr, whereas this used
to return an empty list and print "a\na\n" to stderr.

- Trailing new lines are always trimmed for external commands when
piping into internal commands or collecting it as a value. (Failure to
decode the output as utf-8 will keep the trailing newline for the last
binary value.) In the current nushell version, the following three code
snippets differ only in parenthesis placement, but they all also have
different outputs:

  1. `1..2 | each { ^echo a }`
     ```
     a
     a
     ╭────────────╮
     │ empty list │
     ╰────────────╯
     ```
  2. `1..2 | each { (^echo a) }`
     ```
     ╭───┬───╮
     │ 0 │ a │
     │ 1 │ a │
     ╰───┴───╯
     ```
  3. `1..2 | (each { ^echo a })`
     ```
     ╭───┬───╮
     │ 0 │ a │
     │   │   │
     │ 1 │ a │
     │   │   │
     ╰───┴───╯
     ```

  But in this PR, the above snippets will all have the same output:
  ```
  ╭───┬───╮
  │ 0 │ a │
  │ 1 │ a │
  ╰───┴───╯
  ```

- All existing flags on `run-external` are now deprecated.

- File redirections now apply to all commands inside a code block:
  ```nushell
  (nu -c "print -e a"; nu -c "print -e b") e> test.out
  ```
This gives "a\nb\n" in `test.out` and prints nothing. The same result
would happen when printing to stdout and using a `o>` file redirection.

- External command output will (almost) never be ignored, and ignoring
output must be explicit now:
  ```nushell
  (^echo a; ^echo b)
  ```
This prints "a\nb\n", whereas this used to print only "b\n". This only
applies to external commands; values and internal commands not in return
position will not print anything (e.g., `(echo a; echo b)` still only
prints "b").

- `complete` now always captures stderr (`do` is not necessary).

# After Submitting
The language guide and other documentation will need to be updated.
2024-03-14 15:51:55 -05:00
Darren Schroeder
8abc7e6d5e
remove stdlib logging env variables (#12196)
# Description

This PR removes the environment variables associated with stdlib
logging. We need not pollute the environment since it contains a finite
amount of space. This PR changes the env vars to exported custom
commands.
 
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to
check that you're using the standard code style
- `cargo test --workspace` to check that all tests pass (on Windows make
sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2024-03-14 06:28:13 -05:00
Antoine Stevan
a11e41332c
expand paths and split PATH in std path add (#10710)
related to
-
https://discord.com/channels/601130461678272522/614593951969574961/1162406310155923626

# Description
this PR
- does a bit of minor refactoring
- makes sure the input paths get expanded
- makes sure the input PATH gets split on ":"
- adds a test
- fixes the other tests

# User-Facing Changes
should give a better overall experience with `std path add`

# Tests + Formatting
adds a new test case to the `path_add` test and fixes the others.

# After Submitting
2023-10-25 16:43:27 +02:00
Bob Hyman
ec3e4ce120
dirs goto: update current ring slot before leaving it. (#10706)
Fixes #10696

# Description

As reported, you could mess up the ring of remembered directories in
`std dirs` (a.k.a the `shells` commands) with a sequence like this:
```
~/test> mkdir b c

~/test> pushd b
~/test/b> cd ../c
~/test/c> goto 0
~/test> goto 1
## expect to end up in ~/test/c
## observe you're in ~/test/b
~/test/b>
```
Problem was `dirs goto` was not updating the remembered directories
before leaving the current slot for some other. This matters if the user
did a manual `cd` (which cannot update the remembered directories ring)

# User-Facing Changes
None! it just works ™️

# Tests + Formatting

- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-10-13 06:46:51 -05:00
Darren Schroeder
afdb68dc71
remove underline from std NU_LOG_FORMAT (#10604)
# Description

This PR removes the underline from the log format. It's been messing
things up for me since there is no ansi reset in the log format and
therefore everything after it is underlined.

This PR should end things like this.

![image](https://github.com/nushell/nushell/assets/343840/17e6dc87-11ba-4395-aac3-f70872b9182a)


# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to
check that you're using the standard code style
- `cargo test --workspace` to check that all tests pass (on Windows make
sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-10-04 13:30:49 -05:00
Jakub Žádník
eb6870cab5
Add --env and --wrapped flags to def (#10566) 2023-10-02 21:13:31 +03:00
Antoine Stevan
4b9ec03110
add to ndjson and to jsonl to the standard library (#10519)
follow up to
- #10283

# Description
even though it appears defining `to foo` does not allow to do `save
x.foo` for free (see https://github.com/nushell/nushell/issues/10429),
because #10283 did add `from ndjson` and `from jsonl` to the standard
library, i thought adding their `to ...` counterpart would make sense
😋

# User-Facing Changes
users can now convert structured data back to NDJSON and JSONL 👌

# Tests + Formatting
this PR adds the exact same tests as for the `from ...` commands
- structured data is in `result` and the string is now the expected
- the two invalid `from ...` tests cannot be reproduced for `to ...`
afaik

# After Submitting
2023-10-02 11:50:07 +02:00
Bob Hyman
bc437da5c7
std dt datetime-diff: fix uninitialized field ref when borrowing (#10466)
fixes #10455 

@KAAtheWiseGit, I'm sorry, I didn't mean to block your first PR #10461,
didn't see you had submitted it till I got around to submitting this. If
you want to incoporate useful ideas from this PR into yours, I do not
mind deferring to you.


# Description
Changes made in `datetime-diff`:
* Initialize millisecond and microsecond fields in `$current`, to fix
the error when borrow needs to refer to them.
* Fix `borrow_nanoseconds` to borrow from seconds, not from (unused)
microseconds.
* Added error check to insist that first argument is >= second argument.
`datetime-diff` doesn't represent negative durations correctly (it tries
to borrow out of the year, resulting in negative year and positive all
other fields). We don't currently have a use case requiring negative
durations.
* Add comments so help is a bit clearer (I was surprised that the first
argument, named `$from` was actually supposed to be the *later*
datetime. The order of arguments is reasonable (reminiscent of <later>
<minus> <earlier>), so I just changed the param name to match its
purpose.

Changes made in `pretty-print-duration`:
* changed type of argument from `duration` to `record`. (it's not clear
why Nu was not complaining about this!)
* changed test for skipping a clause from `> 0` to `!= 0`. Even though
`datetime-diff` won't present a negative field in the record, user might
call `pretty-print-duration` with one, might as well handle it. (but I
think `hour:-2` will be rendered as `-2hr`, not `-2hrs`...).
* added help and an example.

# User-Facing Changes
none requiring code changes.

# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
- 
- # After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-09-24 10:53:56 +02:00
Antoine Stevan
ba6d8ad261
add std repeat command to replace "foo" * 3 (#10339)
related to
- https://github.com/nushell/nushell/issues/10233
- https://github.com/nushell/nushell/pull/10293
- https://github.com/nushell/nushell/pull/10292

inspired by @kubouch 

# Description
this PR adds a `repeat` command to the standard library

# User-Facing Changes
a new `repeat` command in `std`
```nushell
repeat anything a bunch of times, yielding a list of *n* times the input

# Examples
    repeat a string
    > "foo" | std repeat 3 | str join
    "foofoofoo"

Usage:
  > repeat <n>

Flags:
  -h, --help - Display the help message for this command

Parameters:
  n <int>: the number of repetitions, must be positive

Input/output types:
  ╭───┬───────┬───────────╮
  │ # │ input │  output   │
  ├───┼───────┼───────────┤
  │ 0 │ any   │ list<any> │
  ╰───┴───────┴───────────╯
```

# Tests + Formatting
a new test called `repeat_things` in `test_std.nu`

# After Submitting
2023-09-12 21:59:31 +02:00
Stefan Holderbach
1fb4f9e455
Rename into decimal to into float (#9979)
# Description
We keep "into decimal" for a release and warn through a message that it
will be removed in 0.86.

All tests are updated to use `into float`

# User-Facing Changes
`into decimal` raises a deprecation warning, will be removed soon.
Use `into float` as the new functionally identical command instead.

```
~/nushell> 2 | into decimal
Error:   × Deprecated command
   ╭─[entry #1:1:1]
 1 │ 2 | into decimal
   ·     ──────┬─────
   ·           ╰── `into decimal` is deprecated and will be removed in 0.86.
   ╰────
  help: Use `into float` instead


2
```

# Tests + Formatting
Updated

---------

Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
2023-09-12 13:02:47 +02:00
Yuto
c761f7f844
add 'from ndjson' into standard library (#10283)
close #8574
related #10276 
# Description

added below into standard library
```
def "from ndjson" []: string -> any {
    from json --objects
}
```

# User-Facing Changes


Users can use functions like "from ndjson" in standard library, and can
open ndjson files with `open` command.
```
use std formats *
# `from ndjson` is available now
open sample.ndjson
```

# Tests + Formatting

`toolkit check pr`

- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`


# After Submitting

---------

Co-authored-by: Stefan Holderbach <sholderbach@users.noreply.github.com>
2023-09-11 14:59:07 +02:00
Michael Angerman
6a374182a7
change LOG_FORMAT to NU_LOG_FORMAT in nu-std library (#10254)
this closes #10248 

@fdncred pointed out the problem and he was correct 😄 

I went ahead and made the simple change and the
https://github.com/influxdata/influxdb_iox binary
works like a charm...

@amtoine hopefully there are no issues with this change

I believe its a good one as other rust binaries might take advantage of
this common
environment variable as well...
2023-09-06 10:17:14 -07:00
Skyler Hawthorne
9a4dad6ca1
Fix unit tests on Android (#10224)
# Description

* The path to the binaries for tests is slightly incorrect. It is
missing the build target when it is set with the `CARGO_BUILD_TARGET`
environment variable. For example, when `CARGO_BUILD_TARGET` is set to
`aarch64-linux-android`, the path to the `nu` binary is:

  `./target/aarch64-linux-android/debug/nu`

  rather than

  `./target/debug/nu`

This is common on Termux since the default target that rustc detects can
cause problems on some projects, such as [python's `cryptography`
package](https://github.com/pyca/cryptography/issues/7248).
  
This technically isn't a problem specific to Android, but is more likely
to happen on Android due to the latter.
* Additionally, the existing variable named `NUSHELL_CARGO_TARGET` is in
fact the profile, not the build target, so this was renamed to
`NUSHELL_CARGO_PROFILE`. This change is included because without the
rename, the build system would be using `CARGO_BUILD_TARGET` for the
build target and `NUSHELL_CARGO_TARGET` for the build profile, which is
confusing.
* `std path add` tests were missing `android` test

# User-Facing Changes

For those who would like to build nushell on Termux, the unit tests will
pass now.
2023-09-05 20:17:34 +12:00
WindSoilder
14bf25da14
rename from date format to format date (#9902)
# Description
Closes: #9891
I also think it's good to keep command name consistency.

And moving `date format` to deprecated.

# User-Facing Changes
Running `date format` will lead to deprecate message:
```nushell
❯ "2021-10-22 20:00:12 +01:00" | date format
Error: nu:🐚:deprecated_command

  × Deprecated command date format
   ╭─[entry #28:1:1]
 1 │ "2021-10-22 20:00:12 +01:00" | date format
   ·                                ─────┬─────
   ·                                     ╰── 'date format' is deprecated. Please use 'format date' instead.
   ╰────
```
2023-08-04 06:06:00 +12:00
Yethal
9ef1203ef9
Implement annotations support in test runner (#9406)
<!--
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e.g.
- this PR should close #xxxx
- fixes #xxxx

you can also mention related issues, PRs or discussions!
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# Description
Test runner now uses annotations instead of magic function names to pick
up code to run. Additionally skipping tests is now done on annotation
level so skipping and unskipping a test no longer requires changes to
the test code

In order for a function to be picked up by the test runner it needs to
meet following criteria:
* Needs to be private (all exported functions are ignored)
* Needs to contain one of valid annotations (and only the annotation)
directly above the definition, all other comments are ignored

Following are considered valid annotations:
* \# test
* \# test-skip
* \# before-all
* \# before-each
* \# after-each
* \# after-all

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-07-02 10:41:33 +02:00
JT
4af24363c2
remove let-env, focus on mutating $env (#9574)
# Description

For years, Nushell has used `let-env` to set a single environment
variable. As our work on scoping continued, we refined what it meant for
a variable to be in scope using `let` but never updated how `let-env`
would work. Instead, `let-env` confusingly created mutations to the
command's copy of `$env`.

So, to help fix the mental model and point people to the right way of
thinking about what changing the environment means, this PR removes
`let-env` to encourage people to think of it as updating the command's
environment variable via mutation.

Before:

```
let-env FOO = "BAR"
```

Now:

```
$env.FOO = "BAR"
```

It's also a good reminder that the environment owned by the command is
in the `$env` variable rather than global like it is in other shells.

# User-Facing Changes

BREAKING CHANGE BREAKING CHANGE

This completely removes `let-env FOO = "BAR"` so that we can focus on
`$env.FOO = "BAR"`.

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After / Before Submitting
integration scripts to update:
- ✔️
[starship](https://github.com/starship/starship/blob/master/src/init/starship.nu)
- ✔️
[virtualenv](https://github.com/pypa/virtualenv/blob/main/src/virtualenv/activation/nushell/activate.nu)
- ✔️
[atuin](https://github.com/ellie/atuin/blob/main/atuin/src/shell/atuin.nu)
(PR: https://github.com/ellie/atuin/pull/1080)
- 
[zoxide](https://github.com/ajeetdsouza/zoxide/blob/main/templates/nushell.txt)
(PR: https://github.com/ajeetdsouza/zoxide/pull/587)
- ✔️
[oh-my-posh](https://github.com/JanDeDobbeleer/oh-my-posh/blob/main/src/shell/scripts/omp.nu)
(pr: https://github.com/JanDeDobbeleer/oh-my-posh/pull/4011)
2023-07-01 07:57:51 +12:00
Bram Geron
86f12ffe61
Fix bug in std dirs drop; improve documentation (#9449)
# Description

When the directory stack contains only two directories, then std dirs
drop
used to misbehave and (essentially) drop the other directory, instead of
dropping the current directory.

This is fixed by always cd'ing for std dirs drop.

Before:

    /tmp〉enter ..
    /〉dexit
    /〉

After:

    /tmp〉enter ..
    /〉dexit
    /tmp〉


Additionally, I propose to explain the relevant environment variables a
bit
more thoroughly.


# User-Facing Changes

- Fix bug in dexit (std dirs drop) when two directories are remaining

# Tests + Formatting

Added a regression test. Made the existing test easier to understand.
2023-06-16 10:42:50 +02:00
Yethal
0bdc362e13
std: refactor test-runner to no longer require tests to be exported (#9355)
# Description
Test runner now performs following actions in order to run tests:
* Module file is opened
* Public function with random name is added to the source code, this
function calls user-specified private function
* Modified module file is saved under random name in $nu.temp-path
* Modified module file is imported in subprocess, injected function is
called by the test runner
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
* Test functions no longer need to be exported
* test functions no longer need to reside in separate test_ files
* setup and teardown renamed to before-each and after-each respectively
* before-all and after-all functions added that run before all tests in
given module. This matches the behavior of test runners used by other
languages such as JUnit/TestNG or Mocha
# Tests + Formatting

# After Submitting

---------

Co-authored-by: Kamil <skelly37@protonmail.com>
Co-authored-by: amtoine <stevan.antoine@gmail.com>
2023-06-10 20:16:17 +02:00
Astrick
a86f34d0ad
Add zip-into-record to std iter (#9395)
# Description
Adds a new iter feature `zip-into-record` (#9380)

# User-Facing Changes
User can use `[1 2] | iter zip-into-record [3 4]` to create a table `[[1
2]; [3 4]]`

# Tests + Formatting

I noticed trailing spaces in std library that may wish to be cleaned in
the future.

Co-authored-by: amtoine <stevan.antoine@gmail.com>
2023-06-10 20:15:30 +02:00
Kamil
df15fc24fe
Logger constants refactored, format argument added, better formatting of failed (non) equality assertions (#9315)
# Description
I have (hopefully) simplified the `log.nu` internal structure and added
customizable log format for all `log` commands

# User-Facing Changes
- [x] Replaced constants with env records for: 
    - ansi (newly added)
    - log level
    - prefix
    - short prefix
- [x] Added `format` argument to all log commands
- [x] Assertions for (not) equality (equal, not equal, greater,
lesser...) now put left and right values inside `'` quotes, so the
assertions for strings are more meaningful
- [x] Documented the %-formatting of log messages

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->

---------

Co-authored-by: amtoine <stevan.antoine@gmail.com>
2023-06-04 10:43:40 +02:00
Antoine Stevan
3005fe10e5
REFACTOR: move run-tests and fix the std assert namespace (#9303)
related to the namespace bullet point in
- https://github.com/nushell/nushell/issues/8450

# Description
this was the last module of the standard library with a broken
namespace, this PR takes care of this.

- `run-tests` has been moved to `std/mod.nu`
- `std/testing.nu` has been moved to `std/assert.nu`
- the namespace has been fixed
- `assert` is now called `main` and used in all the other `std assert`
commands
- for `std assert length` and `std assert str contains`, in order not to
shadow the built-in `length` and `str contains` commands, i've used
`alias "core ..." = ...` to (1) define `foo` in `assert.nu` and (2)
still use the builtin `foo` with `core foo` (replace `foo` by `length`
or `str contains`)
  - tests have been fixed accordingly

# User-Facing Changes
one can not use
```
use std "assert equal"
```
anymore because `assert ...` is not exported from `std`.
`std assert` is now a *real* module.

# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
-  `toolkit test`
-  `toolkit test stdlib`

# After Submitting
```
$nothing
```

# Notes for reviewers
to test this, i think the easiest is to
- run `toolkit test stdlib` and see all the tests pass
- run `cargo run -- -n` and try `use std assert` => are all the commands
available in scope?
2023-05-27 07:45:04 -05:00
Mel Massadian
9e667cc879
feat: (stdlib) add os record support to path add (#9238)
# Description
<!--
Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.

Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.
-->
Add "os record" support.


# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
This don't change how path add works but just adds support for "os
records" aka records whose key are at least one of:
- linux
- macos
- windows

Check the
[test](a917f1a924/crates/nu-std/tests/test_std.nu (L31-L32))
if that's not clear enough

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->

---------

Co-authored-by: amtoine <stevan.antoine@gmail.com>
2023-05-26 09:24:53 +02:00
Antoine Stevan
3e55addbdd
refactor the lib.rs of nu-std after the new virtual files PR (#9289) 2023-05-25 22:43:07 +03:00
Jakub Žádník
74724dee80
Add virtual path abstraction layer (#9245) 2023-05-23 23:48:50 +03:00
Bob Hyman
8e7405bf49
std dirs simply stays in sync with CD changes to PWD (#9267)
# Description
<!--
Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.

Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.
-->
Fixes https://github.com/nushell/nushell/issues/9229.
Supersedes #9234

The reported problem was that `shells` list of active shells (a.k.a `std
dirs show` would show an inaccurate active
working directory if user changed it via `cd` command.

The fix here is for the `std dirs` module to let `$env.PWD` mask the
active slot of `$env.DIRS_LIST`. The user is free to invoke CD (or write
to `$env.PWD`) and `std dirs show` will display that as the active
working directory.

When user changes the active slot (via `n`, `p`, `add` or `drop`) `std
dirs` remembers the then current PWD in the about-to-be-vacated active
slot in `$env.DIRS_LIST`, so it is there if you come back to that slot.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
None. It just works™️

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> [x] use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-05-23 06:24:39 -05:00
Antoine Stevan
55bb501c71
FEATURE: fix the namespace of the standard library (not testing) (#9193) 2023-05-19 23:27:45 +03:00
Kamil
ca275f59da
Added assert not command (assertion that the value/expression is false) (#9235)
# Description
A new command to simplify assertions for `false`.

The name is just a draft, though I could not come up with a better name.
I have rejected `assert false`, because I would have to rename `assert`
to `assert true` which would break the compatibility and worsen the
shell experience of the good old `assert`.

Another idea I have rejected was something like `assert_false` to keep
it consistent with the naming convention of our stdlib.

I am open to suggestions :)

# User-Facing Changes
Just a new command

# Tests + Formatting
- [x] Done

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-05-19 11:33:19 +02:00
Mel Massadian
1de57eb2b6
fix: 🐛 handle windows Path casing (#9210)
# Description
<!--
Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.

Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.
-->

PATH and Path are different (in nushell at least) based on the OS

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
None the command now works as expected

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-05-17 18:55:46 -05:00
mike
39e51f1953
add more commands to std iter (#9129)
# Description

this pr adds the following commands to `std iter`
- `iter find-index` -> returns the index of the first element that
matches the predicate or `-1` if none
- `iter flat-map` -> maps a closure to each nested structure and
flattens the result
- `iter zip-with` -> zips two structures and applies a closure to each
of the zips

it also fixes some \*\*very minor\*\* inconsistencies in the module
2023-05-10 19:18:42 +02:00
Antoine Stevan
43a3983d36
REFACTOR: move the banner from the rust source to the standard library (#8406)
Related to:
- #8311 
- #8353

# Description
with the new `$nu.startup-time` from #8353 and as mentionned in #8311,
we are now able to fully move the `nushell` banner from the `rust`
source base to the standard library.

this PR
- removes all the `rust` source code for the banner
- rewrites a perfect clone of the banner to `std.nu`, called `std
banner`
- call `std banner` from `default_config.nu`

# User-Facing Changes
see the demo: https://asciinema.org/a/566521

- no config will show the banner (e.g. `cargo run --release --
--no-config-file`)
- a custom config without the `if $env.config.show_banner` block and no
call to `std banner` would never show the banner
- a custom config with the block and `config.show_banner = true` will
show the banner
- a custom config with the block and `config.show_banner = false` will
NOT show the banner

# Tests + Formatting
a new test line has been added to `tests.nu` to check the length of the
`std banner` output.
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`

# After Submitting
```
$nothing
```

---------

Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
2023-05-10 07:05:01 -05:00
Emily Grace Seville
a2dd948e71
FEATURE: format std log and add --short option (#9091)
# Description
- prettify formatting
- move message formatting to a private function
- allow short prefixes for loggers via `--short|-s` flag

# User-Facing Changes
- allow short prefixes for loggers via `--short|-s` flag

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->

---------

Co-authored-by: amtoine <stevan.antoine@gmail.com>
2023-05-08 10:13:21 +02:00
Kamil
155de9f6fc
Added log custom command & exported log levels (#9055)
# Description
- Log levels are now exported members of `std log`, e.g. `std log
CRITICAL_LEVEL`
- Added `std log custom` command that allows to declare custom message
format (actual message replaces `%MSG%` in the template) with
user-defined log level.


# User-Facing Changes
New possibilities included in description

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-05-04 18:30:15 +02:00
mike
ed64a44b82
add filter-map command to std iter (#8926)
# Description
as title says
2023-04-19 19:09:10 +02:00
mike
91c01bf6b3
add iter module to standard library (#8899)
# Description
 
this pr introduces an `iter` module
to the standard library.

the module is aimed at extending the filter commands.
2023-04-18 16:01:36 -05:00
Máté FARKAS
b2d7427d2d
Move unit test runner to standard library (#8850)
Move test runner to standard library.
Originated from #8819 

# After Submitting

I'll update the documentation about testing:
http://www.nushell.sh/book/testing.html

---------

Co-authored-by: Mate Farkas <Mate.Farkas@oneidentity.com>
2023-04-13 21:46:37 +02:00
Máté FARKAS
c3678764b4
stdlib test runner: implement setup and teardown commands to unit tests (#8776)
# Description

As in other testing frameworks, the `setup` runs before every test case,
and the `teardown` after that. A context can be created in `setup`,
which will be in the `$in` variable in the test cases, and in the
`teardown`. The `teardown` is called regardless of the test is passed,
skipped, or failed.

For example:

```nushell
use std.nu *

export def setup [] {
    log debug "Setup is running"
    {msg: "This is the context"}
}

export def teardown [] {
    log debug $"Teardown is running. Context: ($in)"
}

export def test_assert_pass [] {
    log debug $"Assert is running. Context: ($in)"
}

export def test_assert_skip [] {
    log debug $"Assert is running. Context: ($in)"
    assert skip
}

export def test_assert_fail_skipped_by_default [] {
    log debug $"Assert is running. Context: ($in)"
    assert false
}
```


![image](https://user-images.githubusercontent.com/282320/230466359-9908cc72-edbd-4150-9aff-d15fe42c0cc7.png)

# After Submitting

I'll update the documentation.

---------

Co-authored-by: Mate Farkas <Mate.Farkas@oneidentity.com>
2023-04-10 22:42:11 +02:00
Antoine Stevan
4a955d7e76
stdlib: refactor into a multi-module library (#8815) 2023-04-09 20:00:20 +03:00