Problems with ionic build

Question

I am learning ionic and have the following problem when write command

ionic build

I want to generate the folder www

https://github.com/jquishpe/imagenionic/blob/master/error1.png

C:\Personal\ionic\platzi-music>ionic build
> ng.cmd run app:build
Generating ES5 bundles for differential loading...
An unhandled exception occurred: Call retries were exceeded
See "C:\Users\HITSS\AppData\Local\Temp\ng-sOfQFc\angular-errors.log" for further details.
[ERROR] An error occurred while running subprocess ng.

        ng.cmd run app:build exited with exit code 127.

        Re-running this command with the --verbose flag may provide more information.

ionic build --verbose

https://github.com/jquishpe/imagenionic/blob/master/error2.png

File Content C:\Users\HITSS\AppData\Local\Temp\ng-sOfQFc\angular-errors.log

[error] Error: Call retries were exceeded
    at ChildProcessWorker.initialize (C:\Personal\ionic\platzi-music\node_modules\jest-worker\build\workers\ChildProcessWorker.js:193:21)
    at ChildProcessWorker.onExit (C:\Personal\ionic\platzi-music\node_modules\jest-worker\build\workers\ChildProcessWorker.js:263:12)
    at ChildProcess.emit (events.js:203:13)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:272:12)

Any ideas to solve the problem. Thanks in advance.

Versions programs:

Angular CLI: 8.3.21

Node: 12.8.0

npm: 6.10.2

Windows 10 Pro 64 bits

I think the command to be used should be something like this: "ionic cordova build <platform>" this should probably work — Akshay
– Akshay, Commented Jan 3, 2020 at 20:35
I try "ionic cordova build android" github.com/jquishpe/imagenionic/blob/master/error3.png I get the same error — Juan Carlos Quishpe
– Juan Carlos Quishpe, Commented Jan 3, 2020 at 21:23

Waleed Jubeh · Accepted Answer · 2020-01-04 00:17:22Z

8

Go to tsconfig.json in your project and search for 'target' attribute and then change its value to 'es5'`

answered Jan 4, 2020 at 0:17

Waleed Jubeh

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1 Comment

Juan Carlos Quishpe Over a year ago

Thank you waleed Jubeh. I had value "target": "es2015". and change it "target": "es5". It work fine.

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