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figwheel.main.api


cljs-replclj

(cljs-repl build-id)

Once you have already started Figwheel in the background with a call to figwheel.main.api/start

You can supply a build name of a running build to this function to start a ClojureScript REPL for the running build.

Example:

(figwheel.main.api/cljs-repl "dev")
Once you have already started Figwheel in the background with a
call to `figwheel.main.api/start`

You can supply a build name of a running build to this function to
start a ClojureScript REPL for the running build.

Example:

```clojure
(figwheel.main.api/cljs-repl "dev")
```
sourceraw docstring

read-buildclj

(read-build build-id & build-ids)

A helper function that takes one or more build-ids and merges them into a single build ready to be passed to figwheel.main.api/start

Example:

(figwheel.main.api/start (read-build "dev" "admin") "tests")  
A helper function that takes one or more build-ids and merges them into a single build
ready to be passed to `figwheel.main.api/start`

Example:

```clojure
(figwheel.main.api/start (read-build "dev" "admin") "tests")  
```
sourceraw docstring

repl-envclj

(repl-env build-id)

Once you have already started a build in the background with a call to start

You can supply the build-id of the running build to this function to fetch the repl-env for the running build. This is helpful in environments like vim-fireplace that need the repl-env.

Example:

(figwheel.main.api/repl-env "dev")

The repl-env returned by this function will not open urls when you start a ClojureScript REPL with it. If you want to change that behavior:

(dissoc (figwheel.main.api/repl-env "dev") :open-url-fn)

The REPL started with the above repl-env will be inferior to the REPL that is started by either figwheel.main.api/start and figwheel.main.api/cljs-repl as these will listen for and print out well formatted compiler warnings.

Once you have already started a build in the background with a
call to `start`

You can supply the `build-id` of the running build to this function
to fetch the repl-env for the running build. This is helpful in
environments like **vim-fireplace** that need the repl-env.

Example:

```clojure
(figwheel.main.api/repl-env "dev")
```

The repl-env returned by this function will not open urls when you
start a ClojureScript REPL with it. If you want to change that
behavior:

```clojure
(dissoc (figwheel.main.api/repl-env "dev") :open-url-fn)
```

The REPL started with the above repl-env will be inferior to the
REPL that is started by either `figwheel.main.api/start` and
`figwheel.main.api/cljs-repl` as these will listen for and print out
well formatted compiler warnings.
sourceraw docstring

startclj

(start build)
(start figwheel-options-o-build build & background-builds)

Starts a Figwheel build process.

Has two arities:

(start build) (start figwheel-config-o-build build & backgound-builds)

You can call start with any number of build arguments. The first one will be the foreground build and any builds that follow will be background builds. When you provide more than one argument to start the first argument can optionally be a map of Figwheel Main options.

A build arg can be either:

  • the name of a build like "dev" (described in a .cljs.edn file)
  • a map describing a build with the following form
{
     :id      "dev"                  ; a required string build id   
     :options {:main hello-world.core} ; a required map of cljs compile options
     :config  {:watch-dirs ["src"]}  ; an options map of figwheel.main config options
}

If the :options map has Figwheel options metadata, it will be used unless there is non-nil :config option. The presence of a non-nil :config option map will cause any metadata on the :options map to be ignored.

The figwheel-config-o-build arg can be a build or a map of Figwheel options that will be used in place of the options found in a figwheel-main.edn file if present.

The background-builds is collection of build args that will be run in the background.

Examples:

; The simplest and most common case. This will start figwheel just like
; `clojure -m figwheel.main -b dev -r`
(start "dev") 

; With inline build config
(start {:id "dev" 
        :options {:main 'example.core} 
        :config {:watch-dirs ["src"]}})

; With inline figwheel config
(start {:css-dirs ["resources/public/css"]} "dev")

; With inline figwheel and build config:
(start {:css-dirs ["resources/public/css"]}
       {:id "dev" :options {:main 'example.core}})

REPL Api Usage

Starting a Figwheel build stores important build-info in a build registry. This build data will be used by the other REPL Api functions:

  • figwheel.main.api/cljs-repl
  • figwheel.main.api/repl-env
  • figwheel.main.api/stop

If you are in a REPL session the only way you can use the above functions is if you start Figwheel in a non-blocking manner. You can make start not launch a REPL by providing a :mode :serve entry in the Figwheel options.

For example neither of the following will start a REPL:

(start {:mode :serve} "dev")

(start {:id "dev" 
        :options {:main 'example.core} 
        :config {:watch-dirs ["src"]
                 :mode :serve}})

The above commands will leave you free to call the cljs-repl, repl-env and stop functions without interrupting the server and build process.

However once you call start you cannot call it again until you have stopped all of the running builds.

Starts a Figwheel build process.

Has two arities:

(start build)
(start figwheel-config-o-build build & backgound-builds)

You can call `start` with any number of `build` arguments. The first
one will be the foreground build and any builds that follow will be
background builds. When you provide more than one argument to `start`
the first argument can optionally be a map of Figwheel Main options.

A `build` arg can be either:
* the name of a build like "dev" (described in a .cljs.edn file) 
* a map describing a build with the following form

```
{
     :id      "dev"                  ; a required string build id   
     :options {:main hello-world.core} ; a required map of cljs compile options
     :config  {:watch-dirs ["src"]}  ; an options map of figwheel.main config options
}
```

If the `:options` map has Figwheel options metadata, it will be used
unless there is non-nil `:config` option. The presence of a non-nil
`:config` option map will cause any metadata on the `:options` map
to be ignored.

The `figwheel-config-o-build` arg can be a build or a map of
Figwheel options that will be used in place of the options found in
a `figwheel-main.edn` file if present.

The `background-builds` is collection of `build` args that will be
run in the background. 

Examples:

```clojure
; The simplest and most common case. This will start figwheel just like
; `clojure -m figwheel.main -b dev -r`
(start "dev") 

; With inline build config
(start {:id "dev" 
        :options {:main 'example.core} 
        :config {:watch-dirs ["src"]}})

; With inline figwheel config
(start {:css-dirs ["resources/public/css"]} "dev")

; With inline figwheel and build config:
(start {:css-dirs ["resources/public/css"]}
       {:id "dev" :options {:main 'example.core}})
```

### REPL Api Usage

Starting a Figwheel build stores important build-info in a build
registry. This build data will be used by the other REPL Api
functions:

* `figwheel.main.api/cljs-repl`
* `figwheel.main.api/repl-env`
* `figwheel.main.api/stop`

If you are in a REPL session the only way you can use the above
functions is if you start Figwheel in a non-blocking manner. You can
make `start` not launch a REPL by providing a `:mode :serve` entry in
the Figwheel options.

For example neither of the following will start a REPL:

```clojure
(start {:mode :serve} "dev")

(start {:id "dev" 
        :options {:main 'example.core} 
        :config {:watch-dirs ["src"]
                 :mode :serve}})
```  

The above commands will leave you free to call the `cljs-repl`,
`repl-env` and `stop` functions without interrupting the server and
build process.

However once you call `start` you cannot call it again until you
have stopped all of the running builds.
sourceraw docstring

start-joinclj

(start-join & args)

Takes the same arguments as start.

Starts figwheel and blocks, useful when you want Figwheel to block on the server it starts when using :mode :serve. You would normally use this in a script that would otherwise exit prematurely.

Takes the same arguments as `start`.

Starts figwheel and blocks, useful when you want Figwheel to block
on the server it starts when using `:mode :serve`. You would
normally use this in a script that would otherwise exit
prematurely.
sourceraw docstring

stopclj

(stop build-id)

Takes a build-id and stops the given build from running. This will not work if you have not started the build with start

Takes a `build-id` and stops the given build from running. This
will not work if you have not started the build with `start`
sourceraw docstring

stop-allclj

(stop-all)

Stops all of the running builds.

Stops all of the running builds.
sourceraw docstring

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