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babashka.cli


auto-coerceclj/s

(auto-coerce s)

Auto-coerces s to data. Does not coerce when s is not a string. If s:

  • is true or false, it is coerced as boolean
  • starts with number, it is coerced as a number (through edn/read-string)
  • starts with :, it is coerced as a keyword (through parse-keyword)
Auto-coerces `s` to data. Does not coerce when `s` is not a string.
If `s`:
* is `true` or `false`, it is coerced as boolean
* starts with number, it is coerced as a number (through `edn/read-string`)
* starts with `:`, it is coerced as a keyword (through `parse-keyword`)
sourceraw docstring

coerceclj/s

(coerce s f)

Coerce string s using f. Does not coerce when s is not a string. f may be a keyword (:boolean, :int, :double, :symbol, :keyword) or a function. When f return nil, this is interpreted as a parse failure and throws.

Coerce string `s` using `f`. Does not coerce when `s` is not a string.
`f` may be a keyword (`:boolean`, `:int`, `:double`, `:symbol`,
`:keyword`) or a function. When `f` return `nil`, this is
interpreted as a parse failure and throws.
sourceraw docstring

dispatchclj/s

(dispatch table args)
(dispatch table args opts)

Subcommand dispatcher.

Dispatches on first matching command entry in table. A match is determines by whether :cmds, a vector of strings, is a subsequence (matching from the start) of the invoked commands.

Table is in the form:

[{:cmds ["sub_1" .. "sub_n"] :fn f :cmds-opts [:lib]}
 ...
 {:cmds [] :fn f}]

When a match is found, :fn called with the return value of parse-args applied to args enhanced with:

  • :dispatch - the matching commands
  • :rest-cmds - any remaining cmds

Any trailing commands can be matched as options using :cmds-opts.

This function does not throw. Use an empty :cmds vector to always match.

Examples: see README.md.

Subcommand dispatcher.

Dispatches on first matching command entry in `table`. A match is
determines by whether `:cmds`, a vector of strings, is a subsequence
(matching from the start) of the invoked commands.

Table is in the form:

```clojure
[{:cmds ["sub_1" .. "sub_n"] :fn f :cmds-opts [:lib]}
 ...
 {:cmds [] :fn f}]
```

When a match is found, `:fn` called with the return value of
`parse-args` applied to `args` enhanced with:

* `:dispatch` - the matching commands
* `:rest-cmds` - any remaining cmds

Any trailing commands can be matched as options using `:cmds-opts`.

This function does not throw. Use an empty `:cmds` vector to always match.

Examples: see [README.md](README.md#subcommands).
sourceraw docstring

format-optsclj/s

(format-opts {:keys [spec indent order] :or {indent 2}})
source

parse-argsclj/s

(parse-args args)
(parse-args args opts)

Same as parse-opts but separates parsed opts into :opts and adds :cmds and :rest-args on the top level instead of metadata.

Same as `parse-opts` but separates parsed opts into `:opts` and adds
`:cmds` and `:rest-args` on the top level instead of metadata.
sourceraw docstring

parse-keywordclj/s

(parse-keyword s)

Parse keyword from s. Ignores leading :.

Parse keyword from `s`. Ignores leading `:`.
sourceraw docstring

parse-optsclj/s

(parse-opts args)
(parse-opts args opts)

Parse the command line arguments args, a seq of strings. Expected format: ["cmd_1" ... "cmd_n" ":k_1" "v_1" .. ":k_n" "v_n"]. Instead of a leading : either -- or - may be used as well.

Return value: a map with parsed opts. Additional data such as initial subcommands and remaining args after -- are available under the :org.babashka/cli key in the metadata.

Supported options:

  • :coerce: a map of option (keyword) names to type keywords (optionally wrapped in a collection.)
  • :aliases: a map of short names to long names.
  • :spec: a spec of options. See spec.

Examples:

(parse-opts ["foo" ":bar" "1])
;; => {:bar "1", :org.babashka/cli {:cmds ["foo"]}}
(parse-args [":b" "1] {:aliases {:b :bar} :coerce {:bar parse-long}})
;; => {:bar 1}
Parse the command line arguments `args`, a seq of strings.
Expected format: `["cmd_1" ... "cmd_n" ":k_1" "v_1" .. ":k_n" "v_n"]`.
Instead of a leading `:` either `--` or `-` may be used as well.

Return value: a map with parsed opts. Additional data such as
initial subcommands and remaining args after `--` are available
under the `:org.babashka/cli` key in the metadata.

Supported options:
- `:coerce`: a map of option (keyword) names to type keywords (optionally wrapped in a collection.)
- `:aliases`: a map of short names to long names.
- `:spec`: a spec of options. See [spec]().

Examples:

```clojure
(parse-opts ["foo" ":bar" "1])
;; => {:bar "1", :org.babashka/cli {:cmds ["foo"]}}
(parse-args [":b" "1] {:aliases {:b :bar} :coerce {:bar parse-long}})
;; => {:bar 1}
```
sourceraw docstring

spec->optsclj/s

(spec->opts spec)

Converts spec into opts format.

Converts spec into opts format.
sourceraw docstring

throw-unexpectedclj/s

(throw-unexpected s)
source

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