@huzan/hz-lib/config/rollup.js

'use strict'

/**
 * 文件说明:
 * ----------------------------------------
 * 创建用户: leo
 * 创建日期 2019/1/3
 */

const {rollup, watch} = require('rollup')
const signale = require('signale')
const getRollupConfig = require('./get-rollup-config')
const normalizeBundleOpts = require('./normalize-bundle-opts')

async function build({entry, opts, isFork}) {
    const {cwd, type, bundleOpts, targetDir} = opts
    const rollupConfigs = getRollupConfig({
        cwd,
        type,
        entry,
        targetDir,
        bundleOpts: normalizeBundleOpts(entry, bundleOpts),
    })

    for (const rollupConfig of rollupConfigs) {
        if (opts.watch) {
            const watcher = watch([
                {
                    ...rollupConfig,
                    watch: {},
                },
            ])
            watcher.on('event', (event) => {
                if (event.error) {
                    signale.error(`[${cwd}: ${type}]: \n`, event.error)
                } else {
                    signale.info(`[${cwd}: ${type}] file changed`)
                }
            })
            process.once('SIGINT', () => {
                watcher.close()
            })
        } else {
            const {output, ...input} = rollupConfig
            const bundle = await rollup(input)
            await bundle.write(output)
            if (isFork) {
                process.exit(0)
            }
        }
    }
}

module.exports = async function(opts, isFork) {
    if (Array.isArray(opts.entry)) {
        const {entry: entries} = opts
        for (const entry of entries) {
            await build({entry, opts, isFork})
        }
    } else {
        await build({entry: opts.entry, opts, isFork})
    }
}