York Yao 04dca3a081 add types of upng-js (#23357) ...

* add types of upng-js

* Update index.d.ts

* Update upng-js-tests.ts

* Update index.d.ts

* Update index.d.ts

2018-02-01 19:06:22 -08:00

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index.d.ts

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tsconfig.json

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tslint.json

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upng-js-tests.ts

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