feat: enable noImplicitAny

demo/node.js

@@ -93,6 +93,7 @@ async function main() {
   log.header();
   log.info('FaceAPI single-process test');
 
+  // eslint-disable-next-line node/no-extraneous-import
   fetch = (await import('node-fetch')).default; // eslint-disable-line node/no-missing-import
 
   await faceapi.tf.setBackend('tensorflow');

dist/tfjs.version.d.ts

@@ -0,0 +1,9 @@
+export declare const version: {
+  'tfjs-core': string;
+  'tfjs-backend-cpu': string;
+  'tfjs-backend-webgl': string;
+  'tfjs-data': string;
+  'tfjs-layers': string;
+  'tfjs-converter': string;
+  tfjs: string;
+};

src/NeuralNetwork.ts

@@ -102,7 +102,7 @@ export abstract class NeuralNetwork<TNetParams> {
     }
     const { readFile } = env.getEnv();
     const { manifestUri, modelBaseUri } = getModelUris(filePath, this.getDefaultModelName());
-    const fetchWeightsFromDisk = (filePaths: string[]) => Promise.all(filePaths.map((fp) => readFile(fp).then((buf) => buf.buffer)));
+    const fetchWeightsFromDisk = (filePaths: string[]) => Promise.all(filePaths.map((fp) => readFile(fp).then((buf) => (typeof buf === 'string' ? Buffer.from(buf) : buf.buffer))));
     const loadWeights = tf['io'].weightsLoaderFactory(fetchWeightsFromDisk);
     const manifest = JSON.parse((await readFile(manifestUri)).toString());
     const weightMap = await loadWeights(manifest, modelBaseUri);

src/env/createFileSystem.ts

@@ -13,7 +13,8 @@ export function createFileSystem(fs?: any): FileSystem {
   }
 
   const readFile = fs
-    ? (filePath: string) => new Promise((resolve, reject) => { fs.readFile(filePath, (err: any, buffer) => (err ? reject(err) : resolve(buffer))); })
+    // eslint-disable-next-line no-undef
+    ? (filePath: string) => new Promise<string | Buffer>((resolve, reject) => { fs.readFile(filePath, (err: NodeJS.ErrnoException | null, buffer: string | Buffer) => (err ? reject(err) : resolve(buffer))); })
     : () => { throw new Error(`readFile - failed to require fs in nodejs environment with error: ${requireFsError}`); };
   return { readFile };
 }

src/env/createNodejsEnv.ts

@@ -3,11 +3,9 @@ import { createFileSystem } from './createFileSystem';
 import { Environment } from './types';
 
 export function createNodejsEnv(): Environment {
-  // eslint-disable-next-line dot-notation
-  const Canvas = global['Canvas'] || global.HTMLCanvasElement;
+  const Canvas: (new () => HTMLCanvasElement) = (global as any)['Canvas'] || global.HTMLCanvasElement;
   const Image = global.Image || global.HTMLImageElement;
-  // eslint-disable-next-line dot-notation
-  const Video = global['Video'] || global.HTMLVideoElement;
+  const Video: (new () => HTMLVideoElement) = (global as any)['Video'] || global.HTMLVideoElement;
 
   const createCanvasElement = () => {
     if (Canvas) return new Canvas();

src/env/types.ts

@@ -1,17 +1,17 @@
 export type FileSystem = {
   // eslint-disable-next-line no-unused-vars
-  readFile: (filePath: string) => Promise<any>
-}
+  readFile: (filePath: string) => Promise<string | Buffer>;
+};
 
 export type Environment = FileSystem & {
-  Canvas: typeof HTMLCanvasElement
-  CanvasRenderingContext2D: typeof CanvasRenderingContext2D
-  Image: typeof HTMLImageElement
-  ImageData: typeof ImageData
-  Video: typeof HTMLVideoElement
-  createCanvasElement: () => HTMLCanvasElement
-  createImageElement: () => HTMLImageElement
-  createVideoElement: () => HTMLVideoElement
+  Canvas: typeof HTMLCanvasElement;
+  CanvasRenderingContext2D: typeof CanvasRenderingContext2D;
+  Image: typeof HTMLImageElement;
+  ImageData: typeof ImageData;
+  Video: typeof HTMLVideoElement;
+  createCanvasElement: () => HTMLCanvasElement;
+  createImageElement: () => HTMLImageElement;
+  createVideoElement: () => HTMLVideoElement;
   // eslint-disable-next-line no-undef, no-unused-vars
-  fetch: (url: string, init?: RequestInit) => Promise<Response>
-}
+  fetch: (url: string, init?: RequestInit) => Promise<Response>;
+};

src/faceExpressionNet/FaceExpressions.ts

@@ -1,4 +1,4 @@
-export const FACE_EXPRESSION_LABELS = ['neutral', 'happy', 'sad', 'angry', 'fearful', 'disgusted', 'surprised'];
+export const FACE_EXPRESSION_LABELS = ['neutral', 'happy', 'sad', 'angry', 'fearful', 'disgusted', 'surprised'] as const;
 
 export class FaceExpressions {
   public neutral = 0;

src/factories/WithFaceLandmarks.ts

@@ -1,3 +1,4 @@
+import { Point } from '../classes';
 import { FaceDetection } from '../classes/FaceDetection';
 import { FaceLandmarks } from '../classes/FaceLandmarks';
 import { FaceLandmarks68 } from '../classes/FaceLandmarks68';
@@ -22,20 +23,17 @@ export function isWithFaceLandmarks(
 ): obj is WithFaceLandmarks<WithFaceDetection<{}>, FaceLandmarks> {
   return (
     isWithFaceDetection(obj)
-    // eslint-disable-next-line dot-notation
-    && obj['landmarks'] instanceof FaceLandmarks
-    // eslint-disable-next-line dot-notation
-    && obj['unshiftedLandmarks'] instanceof FaceLandmarks
-    // eslint-disable-next-line dot-notation
-    && obj['alignedRect'] instanceof FaceDetection
+    && (obj as any)['landmarks'] instanceof FaceLandmarks
+    && (obj as any)['unshiftedLandmarks'] instanceof FaceLandmarks
+    && (obj as any)['alignedRect'] instanceof FaceDetection
   );
 }
 
-function calculateFaceAngle(mesh) {
+function calculateFaceAngle(mesh: FaceLandmarks) {
   // Helper to convert radians to degrees
   // eslint-disable-next-line no-unused-vars, @typescript-eslint/no-unused-vars
-  const degrees = (radians) => (radians * 180) / Math.PI;
-  const calcLengthBetweenTwoPoints = (a, b) => Math.sqrt((a._x - b._x) ** 2 + (a._y - b._y) ** 2);
+  const degrees = (radians: number) => (radians * 180) / Math.PI;
+  const calcLengthBetweenTwoPoints = (a: Point, b: Point) => Math.sqrt((a.x - b.x) ** 2 + (a.y - b.y) ** 2);
 
   const angle = {
     roll: <number | undefined>undefined,
@@ -43,54 +41,51 @@ function calculateFaceAngle(mesh) {
     yaw: <number | undefined>undefined,
   };
 
-  const calcYaw = (leftPoint, midPoint, rightPoint) => {
+  const calcYaw = (leftPoint: Point, midPoint: Point, rightPoint: Point) => {
     // Calc x-distance from left side of the face ("ear") to facial midpoint ("nose")
-    const leftToMidpoint = Math.floor(leftPoint._x - midPoint._x);
+    const leftToMidpoint = Math.floor(leftPoint.x - midPoint.x);
     // Calc x-distance from facial midpoint ("nose") to the right side of the face ("ear")
-    const rightToMidpoint = Math.floor(midPoint._x - rightPoint._x);
+    const rightToMidpoint = Math.floor(midPoint.x - rightPoint.x);
     // Difference in distances coincidentally approximates to angles
     return leftToMidpoint - rightToMidpoint;
   };
 
-  const calcRoll = (lever, pivot) => {
+  const calcRoll = (lever: Point, pivot: Point) => {
     // When rolling, the head seems to pivot from the nose/lips/chin area.
     // So, we'll choose any two points from the facial midline, where the first point should be the pivot, and the other "lever"
     // Plan/Execution: get the hypotenuse & opposite sides of a 90deg triangle ==> Calculate angle in radians
-    const hypotenuse = Math.hypot(pivot._x - lever._x, pivot._y - lever._y);
-    const opposite = pivot._y - lever._y;
+    const hypotenuse = Math.hypot(pivot.x - lever.x, pivot.y - lever.y);
+    const opposite = pivot.y - lever.y;
     const angleInRadians = Math.asin(opposite / hypotenuse);
     const angleInDegrees = degrees(angleInRadians);
     const normalizeAngle = Math.floor(90 - angleInDegrees);
     // If lever more to the left of the pivot, then we're tilting left
     // "-" is negative direction. "+", or absence of a sign is positive direction
-    const tiltDirection = pivot._x - lever._x < 0 ? -1 : 1;
+    const tiltDirection = pivot.x - lever.x < 0 ? -1 : 1;
     const result = normalizeAngle * tiltDirection;
     return result;
   };
 
-  const calcPitch = (leftPoint, midPoint, rightPoint) => {
+  const calcPitch = (leftPoint: Point, midPoint: Point, rightPoint: Point) => {
     // Theory: While pitching, the nose is the most salient point --> That's what we'll use to make a trianle.
     // The "base" is between point that don't move when we pitch our head (i.e. an imaginary line running ear to ear through the nose).
     // Executuin: Get the opposite & adjacent lengths of the triangle from the ear's perspective. Use it to get angle.
 
     const base = calcLengthBetweenTwoPoints(leftPoint, rightPoint);
     // adjecent is base/2 technically.
-    const baseCoords = {
-      _x: (leftPoint._x + rightPoint._x) / 2,
-      _y: (leftPoint._y + rightPoint._y) / 2,
-    };
+    const baseCoords = new Point((leftPoint.x + rightPoint.x) / 2, (leftPoint.y + rightPoint.y) / 2);
     const midToBaseLength = calcLengthBetweenTwoPoints(midPoint, baseCoords);
     const angleInRadians = Math.atan(midToBaseLength / base);
     const angleInDegrees = Math.floor(degrees(angleInRadians));
     // Account for directionality.
     // pitch forwards (_i.e. tilting your head forwards) is positive (or no sign); backward is negative.
-    const direction = baseCoords._y - midPoint._y < 0 ? -1 : 1;
+    const direction = baseCoords.y - midPoint.y < 0 ? -1 : 1;
     const result = angleInDegrees * direction;
     return result;
   };
 
-  if (!mesh || !mesh._positions || mesh._positions.length !== 68) return angle;
-  const pt = mesh._positions;
+  if (!mesh || !mesh.positions || mesh.positions.length !== 68) return angle;
+  const pt = mesh.positions;
   angle.roll = calcRoll(pt[27], pt[66]);
   angle.pitch = calcPitch(pt[14], pt[30], pt[2]);
   angle.yaw = calcYaw(pt[14], pt[33], pt[2]);

src/tinyYolov2/TinyYolov2Base.ts

@@ -19,7 +19,7 @@ import { extractParams } from './extractParams';
 import { extractParamsFromWeightMap } from './extractParamsFromWeightMap';
 import { leaky } from './leaky';
 import { ITinyYolov2Options, TinyYolov2Options } from './TinyYolov2Options';
-import { DefaultTinyYolov2NetParams, MobilenetParams, TinyYolov2NetParams } from './types';
+import { DefaultTinyYolov2NetParams, MobilenetParams, TinyYolov2ExtractBoxesResult, TinyYolov2NetParams } from './types';
 
 export class TinyYolov2Base extends NeuralNetwork<TinyYolov2NetParams> {
   public static DEFAULT_FILTER_SIZES = [3, 16, 32, 64, 128, 256, 512, 1024, 1024];
@@ -183,9 +183,9 @@ export class TinyYolov2Base extends NeuralNetwork<TinyYolov2NetParams> {
       return [boxes, scores, classScores];
     });
 
-    const results = [] as any;
-    const scoresData = await scoresTensor.array();
-    const boxesData = await boxesTensor.array();
+    const results: TinyYolov2ExtractBoxesResult[] = [];
+    const scoresData = await scoresTensor.array() as number[][][][];
+    const boxesData = await boxesTensor.array() as number[][][][];
     for (let row = 0; row < numCells; row++) {
       for (let col = 0; col < numCells; col++) {
         for (let anchor = 0; anchor < numBoxes; anchor++) {

src/tinyYolov2/types.ts

@@ -1,4 +1,5 @@
 import * as tf from '../../dist/tfjs.esm';
+import { BoundingBox } from '../classes';
 
 import { ConvParams } from '../common/index';
 import { SeparableConvParams } from '../common/types';
@@ -38,3 +39,13 @@ export type DefaultTinyYolov2NetParams = {
 }
 
 export type TinyYolov2NetParams = DefaultTinyYolov2NetParams | MobilenetParams
+
+export type TinyYolov2ExtractBoxesResult = {
+  box: BoundingBox;
+  score: number;
+  classScore: number;
+  label: number;
+  row: number;
+  col: number;
+  anchor: number;
+}

src/xception/extractParams.ts

@@ -56,7 +56,7 @@ export function extractParams(weights: Float32Array, numMainBlocks: number): { p
     reduction_block_1: entry_flow_reduction_block_1,
   };
 
-  const middle_flow = {};
+  const middle_flow: Record<`main_block_${number}`, MainBlockParams> = {};
   range(numMainBlocks, 0, 1).forEach((idx) => {
     middle_flow[`main_block_${idx}`] = extractMainBlockParams(128, `middle_flow/main_block_${idx}`);
   });

src/xception/extractParamsFromWeightMap.ts

@@ -58,7 +58,7 @@ export function extractParamsFromWeightMap(
     reduction_block_1: entry_flow_reduction_block_1,
   };
 
-  const middle_flow = {};
+  const middle_flow: Record<`main_block_${number}`, MainBlockParams> = {};
   range(numMainBlocks, 0, 1).forEach((idx) => {
     middle_flow[`main_block_${idx}`] = extractMainBlockParams(`middle_flow/main_block_${idx}`);
   });

src/xception/types.ts

@@ -18,7 +18,7 @@ export type TinyXceptionParams = {
     reduction_block_0: ReductionBlockParams
     reduction_block_1: ReductionBlockParams
   }
-  middle_flow: any,
+  middle_flow: Record<`main_block_${number}`, MainBlockParams>,
   exit_flow: {
     reduction_block: ReductionBlockParams
     separable_conv: SeparableConvParams

tsconfig.json

@@ -15,7 +15,7 @@
     "experimentalDecorators": true,
     "importHelpers": true,
     "noFallthroughCasesInSwitch": true,
-    "noImplicitAny": false,
+    "noImplicitAny": true,
     "noImplicitOverride": true,
     "noImplicitReturns": true,
     "noImplicitThis": true,
@@ -32,7 +32,7 @@
     "strictBindCallApply": true,
     "strictFunctionTypes": true,
     "strictNullChecks": true,
-    "strictPropertyInitialization": true,
+    "strictPropertyInitialization": true
   },
   "formatCodeOptions": { "indentSize": 2, "tabSize": 2 },
   "include": ["src"],
@@ -49,6 +49,6 @@
     "readme": "none",
     "out": "typedoc",
     "logLevel": "Verbose",
-    "logger": "none",
+    "logger": "none"
   }
 }