Use esbuild js

packages/backend-core/scripts/build.js

@@ -1,19 +1,18 @@
 #!/usr/bin/node
 const coreBuild = require("../../../scripts/build")
-const { exec } = require("child_process")
 
 coreBuild("./src/plugin/index.ts", "./dist/plugins.js")
 coreBuild("./src/index.ts", "./dist/index.js")
 
-const child = exec(
+const esbuild = require("esbuild")
-  `esbuild ./tests/*.[tj]s ./tests/**/*.[tj]s --outdir=./dist/tests`
+const glob = require("glob")
-)
+
-child.stdout.on("data", data => {
+const inputFiles = glob.sync("./tests/**/*.[tj]s", { nodir: true })
-  console.log(`stdout: ${data}`)
+const outputDir = "./dist/tests"
-})
+
-child.stderr.on("data", data => {
+esbuild
-  console.error(`stderr: ${data}`)
+  .build({
-})
+    entryPoints: inputFiles,
-child.on("close", code => {
+    outdir: outputDir,
-  console.log(`esbuild process exited with code ${code}`)
+  })
-})
+  .catch(() => process.exit(1))