chore(build): error TS2300: Duplicate identifier 'XXXXX'

[manekinekko]

tsc is throwing so much TS2300 errors when running the build command (build.typescript.all).

here is a sample :

universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(3160,11): error TS2300: Duplicate identifier 'EventEmitter'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(3284,9): error TS2300: Duplicate identifier 'name'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(3285,9): error TS2300: Duplicate identifier 'value'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(3286,9): error TS2300: Duplicate identifier 'path'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(3287,9): error TS2300: Duplicate identifier 'domain'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(3288,9): error TS2300: Duplicate identifier 'secure'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(3289,9): error TS2300: Duplicate identifier 'expiry'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(3648,11): error TS2300: Duplicate identifier 'WebDriver'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4083,9): error TS2300: Duplicate identifier 'ELEMENT'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4372,11): error TS2300: Duplicate identifier 'WebElement'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4699,11): error TS2300: Duplicate identifier 'WebElementPromise'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4836,9): error TS2300: Duplicate identifier 'using'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4842,9): error TS2300: Duplicate identifier 'value'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4857,11): error TS2300: Duplicate identifier 'Session'.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4965,5): error TS2300: Duplicate identifier 'export='.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4969,5): error TS2300: Duplicate identifier 'export='.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4973,5): error TS2300: Duplicate identifier 'export='.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4977,5): error TS2300: Duplicate identifier 'export='.
universal/tsd_typings/selenium-webdriver/selenium-webdriver.d.ts(4981,5): error TS2300: Duplicate identifier 'export='.

After some investigation, it seems it has something to do with this issue from typescript microsoft/TypeScript#1039. I am trying to find a fix.

[wesleycho]

There is only one type of error thrown left - the culprit is https://github.com/angular/angular/blob/3dca9d522a79d037b3c2deba537ed547fc3f65b8/modules/angular2/manual_typings/globals-es6.d.ts#L14

[PatrickJS]

there are two node typings installed
https://github.com/angular/universal/blob/master/tsd.json#L8...L10

[PatrickJS]

this will be fixed with webpack and ts-loader

[manekinekko]

any news about this issue? Do you need help?

[PatrickJS]

when we switch to webpack we can ignore the warnings until the angular repo fixes it's typings

[PatrickJS]

fixed with refactored build system. I'm also deleting the angular2 typings during install. We will also switch to typings to ensure the warnings we see are correct ones

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