Skip to content

Angular 19 cannot build - Cannot read properties of undefined (reading 'kind') #58872

@thaoula

Description

@thaoula

Command

build

Is this a regression?

  • Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

18

Description

Hi Team,

I just upgraded Angular from v18 to v19 and I have trouble building all of the applications list in the Angular.json.

More specifically, I am getting the following error -

`✘ [ERROR] Cannot read properties of undefined (reading 'kind') [plugin angular-compiler]

node_modules/typescript/lib/typescript.js:30304:14:
  30304 │   return node.kind === 243 /* VariableStatement */;
        ╵               ^

at Object.isVariableStatement (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/typescript/lib/typescript.js:30304:15)
at UnusedStandaloneImportsRule.isPotentialSharedReference (file:///Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/compiler-cli/bundles/chunk-WLQBAON6.js:3404:16)
at UnusedStandaloneImportsRule.getUnusedSymbols (file:///Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/compiler-cli/bundles/chunk-WLQBAON6.js:3383:79)
at UnusedStandaloneImportsRule.checkNode (file:///Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/compiler-cli/bundles/chunk-WLQBAON6.js:3359:25)
at walk (file:///Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/compiler-cli/bundles/chunk-WLQBAON6.js:3453:38)
at visitNodes (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/typescript/lib/typescript.js:31791:22)
at forEachChildInSourceFile (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/typescript/lib/typescript.js:32004:12)
at forEachChild (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/typescript/lib/typescript.js:32304:35)
at SourceFileObject.forEachChild (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/typescript/lib/typescript.js:148907:12)
at SourceFileValidator.getDiagnosticsForFile (file:///Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/compiler-cli/bundles/chunk-WLQBAON6.js:3451:16)

This error came from the "onStart" callback registered here:

node_modules/@angular/build/src/tools/esbuild/angular/compiler-plugin.js:107:18:
  107 │             build.onStart(async () => {
      ╵                   ~~~~~~~

at setup (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/build/src/tools/esbuild/angular/compiler-plugin.js:107:19)
at async handlePlugins (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/esbuild/lib/main.js:1194:20)`

Minimal Reproduction

  1. use ng update to update working Angular 18 app.
  2. run ng build id --watch --preserve-symlinks --output-hashing=all

Exception or Error

✘ [ERROR] Cannot read properties of undefined (reading 'kind') [plugin angular-compiler]

    node_modules/typescript/lib/typescript.js:30304:14:
      30304 │   return node.kind === 243 /* VariableStatement */;
            ╵               ^

    at Object.isVariableStatement (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/typescript/lib/typescript.js:30304:15)
    at UnusedStandaloneImportsRule.isPotentialSharedReference (file:///Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/compiler-cli/bundles/chunk-WLQBAON6.js:3404:16)
    at UnusedStandaloneImportsRule.getUnusedSymbols (file:///Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/compiler-cli/bundles/chunk-WLQBAON6.js:3383:79)
    at UnusedStandaloneImportsRule.checkNode (file:///Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/compiler-cli/bundles/chunk-WLQBAON6.js:3359:25)
    at walk (file:///Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/compiler-cli/bundles/chunk-WLQBAON6.js:3453:38)
    at visitNodes (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/typescript/lib/typescript.js:31791:22)
    at forEachChildInSourceFile (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/typescript/lib/typescript.js:32004:12)
    at forEachChild (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/typescript/lib/typescript.js:32304:35)
    at SourceFileObject.forEachChild (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/typescript/lib/typescript.js:148907:12)
    at SourceFileValidator.getDiagnosticsForFile (file:///Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/compiler-cli/bundles/chunk-WLQBAON6.js:3451:16)

  This error came from the "onStart" callback registered here:

    node_modules/@angular/build/src/tools/esbuild/angular/compiler-plugin.js:107:18:
      107 │             build.onStart(async () => {
          ╵                   ~~~~~~~

    at setup (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/@angular/build/src/tools/esbuild/angular/compiler-plugin.js:107:19)
    at async handlePlugins (/Users/thaoula/projects/workbuddy/jms-platform/jms-web/node_modules/esbuild/lib/main.js:1194:20)

Your Environment

Angular CLI: 19.0.1
Node: 20.18.1
Package Manager: bun 1.1.36
OS: darwin arm64

Angular: 19.0.0
... animations, cdk, cdk-experimental, common, compiler
... compiler-cli, core, forms, localize, platform-browser
... platform-browser-dynamic, platform-server, router

Package                      Version
------------------------------------------------------
@angular-devkit/architect    0.1900.1
@angular-devkit/core         19.0.1
@angular-devkit/schematics   19.0.1
@angular/build               19.0.1
@angular/cli                 19.0.1
@angular/ssr                 19.0.1
@schematics/angular          19.0.1
rxjs                         7.8.1
typescript                   5.6.3
zone.js                      0.15.0

Anything else relevant?

No response

Metadata

Metadata

Assignees

Type

No type

Projects

No projects

Relationships

None yet

Development

No branches or pull requests

Issue actions