@focme/rollup-plugin-pick

pick up values from the .json file and write it into a new file

in default without a config will pick up package.json file in project main directory
to the ./dist directory

usage

// rollup.config.js
import pick from "@focme/rollup-plugin-pick"

export default {
    ...
    plugins: [
        ...
        pick({ ... })
    ]
}

option

default value

// the same option
pick()

pick({
    src: "./package.json",
    dest: "./dist"
})

pass pick array to the function

// the same option
pick(["name", "version"])

pick({
    src: "./package.json",
    dest: "./dist",
    pick: ["name", "version"]
})

src
type string
set the input file
default value ./package.json if not set

dest
type string
set the output file path
default value ./dist if not set

filename
type string
set the output file name
use src file's name if not set

pick
type string[] or entries
like [key_1, key_2] or [[key_1, value_1?], [key2, value_2?]] set the values from the src file to the dest file
use all the src file values if not set

value could be undefined or a value

// pick({ pick: ["name", "auther"] })
// pick up src file values
{
    "name": "@focme/rollup-plugin-pick",
    "auther": "focme"
}

// pick({ pick: ["name", ["auther", "others"]] })
// use the pick-up value instead of src file values
{
    "name": "@focme/rollup-plugin-pick",
    "auther": "others"
}

transform
type (current: Record<string, any>, origin: Record<string, any>) => Record<string, any>
format the final value before write into output file

// rollup.config.js
import pick from "@focme/rollup-plugin-pick"

export default {
    ...
    plugins: [
        ...
        pick({
            pick: ["name", "auth"],
            transform: (current, origin) => {
                return { ...current, auther: origin.auther + "-auther" }
            }
        })
    ]
}

// current value
{
    "name": "@focme/rollup-plugin-pick",
    "auther": "focme"
}

// origin value
// the value of ./package.json

// final value
{
    "name": "@focme/rollup-plugin-pick",
    "auther": "focme-auther"
}