refactor: add build

Author: ivodolenc

src/build.ts

@@ -0,0 +1,39 @@
+import { isString, isObject } from '@hypernym/utils'
+import { getOutputPath } from './utils/index.js'
+import type { Options, BuildStats } from './types/index.js'
+
+export async function build(
+  cwd: string,
+  options: Options,
+): Promise<BuildStats> {
+  const { outDir = 'dist', hooks } = options
+
+  const buildStats: BuildStats = {
+    time: { start: 0, end: 0 },
+    size: 0,
+    files: [],
+  }
+
+  if (hooks?.['build:before']) await hooks['build:before'](options)
+
+  if (options.entries && options.entries.length) {
+    buildStats.time.start = Date.now()
+
+    for (const entry of options.entries) {
+      if (isString(entry)) {
+        const output = getOutputPath(outDir, entry)
+        buildStats.files.push(output)
+      }
+
+      if (isObject(entry)) {
+        buildStats.files.push(entry.output)
+      }
+    }
+
+    buildStats.time.end = Date.now()
+  }
+
+  if (hooks?.['build:done']) await hooks['build:done'](options)
+
+  return buildStats
+}