Skip react-scripts preflight checks for upstreams deps.

examples/testAll.js

@@ -7,15 +7,12 @@ const path = require('path')
 const { spawnSync } = require('child_process')
 const chalk = require('chalk')
 
-const exampleDirs = fs.readdirSync(__dirname).filter((file) => {
+const exampleDirs = fs.readdirSync(__dirname).filter(file => {
   return fs.statSync(path.join(__dirname, file)).isDirectory()
 })
 
 // Ordering is important here. `npm install` must come first.
-const cmdArgs = [
-  { cmd: 'npm', args: [ 'ci' ] },
-  { cmd: 'npm', args: [ 'test' ] }
-]
+const cmdArgs = [{ cmd: 'npm', args: ['ci'] }, { cmd: 'npm', args: ['test'] }]
 
 for (const dir of exampleDirs) {
   if (dir === 'counter-vanilla' || dir === 'universal') continue
@@ -25,7 +22,8 @@ for (const dir of exampleDirs) {
     // declare opts in this scope to avoid https://github.com/joyent/node/issues/9158
     const opts = {
       cwd: path.join(__dirname, dir),
-      stdio: 'inherit'
+      stdio: 'inherit',
+      env: { ...process.env, SKIP_PREFLIGHT_CHECK: 'true' }
     }
 
     let result = {}
@@ -35,7 +33,7 @@ for (const dir of exampleDirs) {
       result = spawnSync(cmdArg.cmd, cmdArg.args, opts)
     }
     if (result.status !== 0) {
-      console.log(result);
+      console.log(result)
       throw new Error('Building examples exited with non-zero')
     }
   }