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Posted to dev@arrow.apache.org by "Shyamal Shukla (Jira)" <ji...@apache.org> on 2020/04/10 08:18:00 UTC

[jira] [Created] (ARROW-8394) Typescript compiler errors for arrow d.ts files, when using es2015-esm package

Shyamal Shukla created ARROW-8394:
-------------------------------------

             Summary: Typescript compiler errors for arrow d.ts files, when using es2015-esm package
                 Key: ARROW-8394
                 URL: https://issues.apache.org/jira/browse/ARROW-8394
             Project: Apache Arrow
          Issue Type: Bug
          Components: JavaScript
    Affects Versions: 0.16.0
            Reporter: Shyamal Shukla


Attempting to use apache-arrow within a web application, but typescript compiler throws the following errors in some of arrow's .d.ts files

import \{ Table } from "../node_modules/@apache-arrow/es2015-esm/Arrow";
export class SomeClass {
.
.
constructor() {
const t = Table.from('');
}
*node_modules/@apache-arrow/es2015-esm/column.d.ts:14:22* - error TS2417: Class static side 'typeof Column' incorrectly extends base class static side 'typeof Chunked'. Types of property 'new' are incompatible.

*node_modules/@apache-arrow/es2015-esm/ipc/reader.d.ts:238:5* - error TS2717: Subsequent property declarations must have the same type. Property 'schema' must be of type 'Schema', but here has type 'Schema'.

238 schema: Schema;

*node_modules/@apache-arrow/es2015-esm/recordbatch.d.ts:17:18* - error TS2430: Interface 'RecordBatch' incorrectly extends interface 'StructVector'. The types of 'slice(...).clone' are incompatible between these types.

the tsconfig.json file looks like

{
 "compilerOptions": {
 "target":"ES6",
 "outDir": "dist",
 "baseUrl": "src/"
 },
 "exclude": ["dist"],
 "include": ["src/*.ts"]
}



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