Description
Bug, feature request, or proposal:
Bug
What is the expected behavior?
Should work in es6
What is the current behavior?
Throw following error
ERROR TypeError: Cannot read property 'find' of undefined
at MatTree.ngOnInit (tree.js:484)
at checkAndUpdateDirectiveInline (core.js:11866)
at checkAndUpdateNodeInline (core.js:13394)
at checkAndUpdateNode (core.js:13337)
at debugCheckAndUpdateNode (core.js:14246)
at debugCheckDirectivesFn (core.js:14191)
at Object.eval [as updateDirectives] (TreeCheckListComponent.html:1)
at Object.debugUpdateDirectives [as updateDirectives] (core.js:14180)
at checkAndUpdateView (core.js:13303)
at callViewAction (core.js:13654)
What are the steps to reproduce?
use an example from angular/material
(https://material.angular.io/components/tree/examples)
and change the compiler target to "es6" in tsconfig.json
Which versions of Angular, Material, OS, TypeScript, browsers are affected?
"dependencies": {
"@angular/animations": "^6.0.3",
"@angular/cdk": "^6.2.0",
"@angular/common": "^6.0.3",
"@angular/compiler": "^6.0.3",
"@angular/core": "^6.0.3",
"@angular/forms": "^6.0.3",
"@angular/http": "^6.0.3",
"@angular/material": "^6.2.0",
"@angular/platform-browser": "^6.0.3",
"@angular/platform-browser-dynamic": "^6.0.3",
"@angular/router": "^6.0.3",
"core-js": "^2.5.4",
"rxjs": "^6.0.0",
"zone.js": "^0.8.26"
},
"devDependencies": {
"@angular/compiler-cli": "^6.0.3",
"@angular-devkit/build-angular": "~0.6.5",
"typescript": "~2.7.2",
"@angular/cli": "~6.0.5",
"@angular/language-service": "^6.0.3",
"@types/jasmine": "~2.8.6",
"@types/jasminewd2": "~2.0.3",
"@types/node": "~8.9.4",
"codelyzer": "~4.2.1",
"jasmine-core": "~2.99.1",
"jasmine-spec-reporter": "~4.2.1",
"karma": "~1.7.1",
"karma-chrome-launcher": "~2.2.0",
"karma-coverage-istanbul-reporter": "~1.4.2",
"karma-jasmine": "~1.1.1",
"karma-jasmine-html-reporter": "^0.2.2",
"protractor": "~5.3.0",
"ts-node": "~5.0.1",
"tslint": "~5.9.1"
}
Is there anything else we should know?
the "_differs" constructor parameter of CdkTree is "undefined" at runtime