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build.js
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build.js
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const fs = require("fs-extra")
const path = require("path")
const execa = require("execa")
const minimist = require("minimist")
const stdio = ["ignore", "inherit", "pipe"]
const opts = { stdio }
const {
_: [packageName],
target
} = minimist(process.argv.slice(2))
// build to publish needs to do more things so it's slower
// for the CI run and local testing this is not necessary
const isPublish = target === "publish"
// for running tests in CI we need CJS only
const isTest = target === "test"
const tempMove = name => fs.move(`dist/${name}`, `temp/${name}`)
const moveTemp = name => fs.move(`temp/${name}`, `dist/${name}`)
const run = async () => {
if (isPublish) {
// build dev/prod ESM bundles that can be consumed in browser without NODE_ENV annoyance
// and these builds cannot be run in parallel because tsdx doesn't allow to change target dir
await execa("tsdx", ["build", "--format", "esm", "--env", "development"], opts)
// tsdx will purge dist folder, so it's necessary to move these
await tempMove(`${packageName}.esm.development.js`)
await tempMove(`${packageName}.esm.development.js.map`)
await execa("tsdx", ["build", "--format", "esm", "--env", "production"], opts)
await tempMove(`${packageName}.esm.production.min.js`)
await tempMove(`${packageName}.esm.production.min.js.map`)
}
await execa(
"tsdx",
["build", "--name", packageName, "--format", isTest ? "cjs" : "esm,cjs,umd"],
opts
).catch(err => {
console.error(err.stderr)
throw new Error("build failed")
})
if (isPublish) {
// move ESM bundles back to dist folder and remove temp
await moveTemp(`${packageName}.esm.development.js`)
await moveTemp(`${packageName}.esm.development.js.map`)
await moveTemp(`${packageName}.esm.production.min.js`)
await moveTemp(`${packageName}.esm.production.min.js.map`)
await fs.remove("temp")
}
}
run().catch(console.error)