esgleam - v0.8.0

esgleam

Types

Config

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Config for esbuild

pub type Config {
  Config(
    autoinstall: Bool,
    outdir: String,
    entry_points: List(String),
    format: Format,
    kind: Kind,
    minify: Bool,
    target: List(String),
    serve: Option(String),
    sourcemap: Bool,
    platform: Option(Platform),
    watch: Bool,
    raw: String,
  )
}

Constructors 

  • Config(
  autoinstall: Bool,
  outdir: String,
  entry_points: List(String),
  format: Format,
  kind: Kind,
  minify: Bool,
  target: List(String),
  serve: Option(String),
  sourcemap: Bool,
  platform: Option(Platform),
  watch: Bool,
  raw: String,
)

    Arguments

    • autoinstall

      If true, automatically install esbuild if has not been installed (needs Erlang installed) default True.

    • outdir

      Output directory

    • entry_points

      List of entry points supplied

    • format

      Output format for JavaScript. See Format default Esm

    • kind

      Kind for output default Library

    • minify

      default False

    • target

      List of target environments default []

    • serve

      The root directory for the dev server (run server when defined) default None

    • sourcemap

      Generate sourcemap for JavaScript default False

    • platform

      Platform for the output See esbuild/platform for what each type does default Neutral

    • watch

      Enable watchmode. Bundles files on change Note: gleam build need to be run manually default False

    • raw

      raw flags to pass to esbuild default ""

Format

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Output format of generated JavaScript

pub type Format {
  Esm
  Cjs
  Iife
}

Constructors 

  • Esm

    ECMAScript module

  • Cjs

    CommonJS

  • Iife

    immediately-invoked function expression

Kind

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Kind of output

pub type Kind {
  Script
  Library
}

Constructors 

  • Script

    Executes the main() function in your entry point

  • Library

    Only exports the code

Platform

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Platform

pub type Platform {
  Neutral
  Browser
  Node
}

Constructors 

  • Neutral

    Build platform independed code

  • Browser

    Build browser compatable code (default)

  • Node

    Build for Node

Functions

autoinstall

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pub fn autoinstall(config: Config, do_install: Bool) -> Config

Boolean for autoinstalling esbuild if it is not found. If True, requires erlang to be install on the system.

bundle

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pub fn bundle(config: Config) -> Result(Nil, FileError)

Executes esbuild with the provided config parsed as CLI arguments.

entry

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pub fn entry(config: Config, path: String) -> Config

Entry points Can be use multiple times

format

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pub fn format(config: Config, format: Format) -> Config

Output format. see Format

kind

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pub fn kind(config: Config, kind: Kind) -> Config

Kind for output. see Kind if set to Script, will ignore all entries except the first and will call its main function.

minify

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pub fn minify(config: Config, do_minify: Bool) -> Config

Create minified JavaScript

new

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pub fn new(outdir path: String) -> Config

Start to create a build script

> esbuild.new("./dist/static")
Config("./dist/static", ...)

platform

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pub fn platform(
  config: Config,
  platform platform: Platform,
) -> Config

Generate code for a specified platform

raw

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pub fn raw(config: Config, args: String) -> Config

Raw CLI argument to pass to esbuild

serve

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pub fn serve(config: Config, dir path: String) -> Config

Start a development server on http://127.0.0.1:8000 with path being /

target

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pub fn target(config: Config, target: String) -> Config

Target for transpiled JavaScript. Can be used mutiple times

> esbuild.new("./dist/static")
> |> esbuild.target("es2020")
> |> esbuild.target("firefox110")
> |> esbuild.target("edge90")

watch

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pub fn watch(config: Config, do_watch: Bool) -> Config

Note: There is no file watcher for Gleam files so you have to manually run gleam build on change.

watch_gleam

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pub fn watch_gleam() -> fn() -> Nil
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