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cli: 12.2.0 Error: Transformation map 1 must have exactly one source file.

See original GitHub issue

🐞 Bug report

Command (mark with an `x`)

new
build
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generate
add
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lint
extract-i18n
run
config
help
version
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Is this a regression?

Yes, the previous version in which this bug was not present was: 12.1.4

Description

🔬 Minimal Reproduction

🔥 Exception or Error


✔ Browser application bundle generation complete.

Error: Optimization error [main-es2015.580ccf2d9dad4d47d777.js]: Error: Transformation map 1 must have exactly one source file.
Did you specify these with the most recent transformation maps first?
    at buildSourceMapTree (C:\Users\tomaz\Projekti\Gitlab_Arnes\portal-hub\dmsedudoc\frontend\node_modules\@ampproject\remapping\dist\remapping.umd.js:729:23)
    at Object.remapping [as default] (C:\Users\tomaz\Projekti\Gitlab_Arnes\portal-hub\dmsedudoc\frontend\node_modules\@ampproject\remapping\dist\remapping.umd.js:831:23)   
    at default_1 (C:\Users\tomaz\Projekti\Gitlab_Arnes\portal-hub\dmsedudoc\frontend\node_modules\@angular-devkit\build-angular\src\webpack\plugins\javascript-optimizer-worker.js:44:44)
    at async C:\Users\tomaz\Projekti\Gitlab_Arnes\portal-hub\dmsedudoc\frontend\node_modules\piscina\dist\src\worker.js:141:26

🌍 Your Environment


Angular CLI: 12.2.0
Node: 14.16.0
Package Manager: npm 6.14.11
OS: win32 x64

Angular: 12.2.0
... animations, cli, common, compiler, compiler-cli, core, forms
... language-service, localize, platform-browser
... platform-browser-dynamic, router

Package                         Version
---------------------------------------------------------
@angular-devkit/architect       0.1202.0
@angular-devkit/build-angular   12.2.0
@angular-devkit/core            12.2.0
@angular-devkit/schematics      12.2.0
@schematics/angular             12.2.0
rxjs                            7.3.0
typescript                      4.3.5

Anything else relevant?

Issue Analytics

State:
Created 2 years ago
Comments:7

Top GitHub Comments

1reaction

sysmatcommented, Aug 9, 2021

@alan-agius4 thx, I was using the wrong config for angular.json

0reactions

angular-automatic-lock-bot[bot]commented, Sep 9, 2021

This issue has been automatically locked due to inactivity. Please file a new issue if you are encountering a similar or related problem.

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