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Compilation errors with TypeScript 3.5

See original GitHub issue

To get help from the community, we encourage using Stack Overflow and the tensorflow.js tag.

TensorFlow.js version: `@tensorflow/tfjs-node` 1.1.2

Browser version: NodeJS 11.4.0

TypeScript version: 3.5.1

(Does not seem to happen in 3.4)

Describe the problem or feature request

Can’t compile my application that uses TFJS.

node_modules/@tensorflow/tfjs-core/dist/tensor.d.ts:588:18 - error TS2430: Interface 'NumericTensor<R>' incorrectly extends interface 'Tensor<R>'.
  Types of property 'data' are incompatible.
    Type '() => Promise<TypedArray>' is not assignable to type '<D extends "string" | "float32" | "int32" | "bool" | "complex64" = NumericDataType>() => Promise<DataTypeMap[D]>'.
      Type 'Promise<TypedArray>' is not assignable to type 'Promise<DataTypeMap[D]>'.
        Type 'TypedArray' is not assignable to type 'DataTypeMap[D]'.
          Type 'Uint8Array' is not assignable to type 'DataTypeMap[D]'.
            Type 'Uint8Array' is not assignable to type 'string[] & Float32Array & Int32Array & Uint8Array'.
              Type 'Uint8Array' is missing the following properties from type 'string[]': pop, push, concat, shift, and 3 more.

588 export interface NumericTensor<R extends Rank = Rank> extends Tensor<R> {
                     ~~~~~~~~~~~~~

node_modules/@tensorflow/tfjs-core/dist/tensor.d.ts:593:18 - error TS2430: Interface 'StringTensor<R>' incorrectly extends interface 'Tensor<R>'.
  Types of property 'data' are incompatible.
    Type '() => Promise<string[]>' is not assignable to type '<D extends "string" | "float32" | "int32" | "bool" | "complex64" = NumericDataType>() => Promise<DataTypeMap[D]>'.
      Type 'Promise<string[]>' is not assignable to type 'Promise<DataTypeMap[D]>'.
        Type 'string[]' is not assignable to type 'DataTypeMap[D]'.
          Type 'string[]' is not assignable to type 'string[] & Float32Array & Int32Array & Uint8Array'.
            Type 'string[]' is missing the following properties from type 'Float32Array': BYTES_PER_ELEMENT, buffer, byteLength, byteOffset, and 3 more.

593 export interface StringTensor<R extends Rank = Rank> extends Tensor<R> {
                     ~~~~~~~~~~~~


Found 2 errors.

Code to reproduce the bug / link to feature request

I’ve already had to disable strict and strictNullChecks to get it to compile, otherwise I get even more errors. This is what is left:

tsconfig.json

{
  "compilerOptions": {
    "alwaysStrict": true,
    "charset": "utf8",
    "declaration": true,
    "experimentalDecorators": true,
    "inlineSourceMap": true,
    "inlineSources": true,
    "lib": [
      "dom",
      "es2016",
      "es2017.object",
      "es2017.string"
    ],
    "module": "CommonJS",
    "noEmitOnError": false,
    "noFallthroughCasesInSwitch": true,
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "resolveJsonModule": true,
    "strict": false,
    "strictNullChecks": false,
    "esModuleInterop": true,
    "strictPropertyInitialization": false,
    "stripInternal": true,
    "target": "ES2018"
  },
  "include": [
    "**/*.ts"
  ],
  "exclude": [
    "node_modules"
  ]
}