ag grid - Typescript augmentation -

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i've been trying unsuccessfully augment type in aggrid few new properties. 

import * aggrid 'ag-grid/main';  declare module "ag-grid/main" {    export interface coldef {        format: string;        unittype: string;    } }

everything have tried results in original coldef being overwritten , build error of: export declaration conflicts exported declaration of 'coldef'

so figured out how this. problem cannot augment re-exported module. have directly import it.

import coldef 'ag-grid/dist/lib/entities/coldef'; // patch coldef interface allows add new properties it. declare module "ag-grid/dist/lib/entities/coldef" {     interface coldef {         format?: string;         unittype?: string;     } }

this apply library re-exports it's modules. in case of aggrid there main.d.ts exports modules other definition files export modules directly.

more info here. https://github.com/microsoft/typescript/issues/8427





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