Typescript compiler failing with strange error

Question

I'm getting the following error:

events.js:141
      throw er; // Unhandled 'error' event
      ^
TypeScript error: node_modules/gulp-typescript/release/compiler.d.ts(32,22): Error TS1005: '=' expected.

My gulpfile https://github.com/rtaycher/2048-Clone/blob/master/gulpfile.js

I also have a declaration file global.d.ts:

interface Array<T> {
    includes(searchElement: T) : boolean;
}

Some googling indicates that declaration files might cause issues.

what version of typescript are you using?

David Bohunek
– David Bohunek

2016-06-07 15:33:53 +00:00
Commented Jun 7, 2016 at 15:33 — David Bohunek
– David Bohunek, Commented Jun 7, 2016 at 15:33
tsc Version 1.8.10

Roman A. Taycher
– Roman A. Taycher

2016-06-07 21:19:01 +00:00
Commented Jun 7, 2016 at 21:19 — Roman A. Taycher
– Roman A. Taycher, Commented Jun 7, 2016 at 21:19

Community · Accepted Answer · 2020-06-20 09:12:55Z

2

Error TS1005: '=' expected

The error is two fold.

an old version of the definition file e.g. this verion has readonly https://github.com/ivogabe/gulp-typescript/blob/3645edb57278a22e08e6ae9780dc09b8ae68003e/release/compiler.d.ts#L32
an old version of the compiler that doesn't support new keywords (like readonly).

Personal opinion

Please use TypeScript nightlies otherwise it will always be an uphill / confusing battle. 🌹

edited Jun 20, 2020 at 9:12

CommunityBot

11 silver badge

answered Jun 8, 2016 at 0:35

basarat

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