Asynchronous OpenCV 3.x / 4.x nodejs bindings with JavaScript and TypeScript API. 

urielch

@u4/opencv4nodejs

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Object.defineProperty(exports, "__esModule", { value: true });

const opencv_build_1 = require("@u4/opencv-build");

const child_process = require("child_process");

const commons_js_1 = require("../lib/commons.js");

const tiny_glob_1 = require("@u4/tiny-glob");

const cvloader_js_1 = require("../lib/cvloader.js");

const defaultLibDir = `${defaultDir}/lib`;

const defaultIncludeDir = `${defaultDir}/include`;

const defaultIncludeDirOpenCV4 = `${defaultIncludeDir}/opencv4`;

    if (value === '0' || value === 'false' || value === 'off' || value.startsWith('disa'))

    log.info('install', 'OPENCV_INCLUDE_DIR is not set, looking for default include dir');

        throw new Error('OPENCV_INCLUDE_DIR has to be defined on windows when auto build is disabled');

    return [defaultIncludeDir, defaultIncludeDirOpenCV4];

 * @returns return a path like /usr/local/lib

    log.info('install', 'OPENCV_LIB_DIR is not set, looking for default lib dir');

        throw new Error('OPENCV_LIB_DIR has to be defined on windows when auto build is disabled');

        return (0, commons_js_1.resolvePath)(process.env.OPENCV_LIB_DIR) || getDefaultLibDir(env);

        const dir = (0, commons_js_1.resolvePath)(env.opencvLibDir);

            throw Error('failed to resolve opencvLibDir path');

 * convert lib list to existing parameter for the linker

function getOPENCV4NODEJS_LIBRARIES(env, libDir, libsFoundInDir) {

        ? libsFoundInDir.map(lib => (0, commons_js_1.resolvePath)(lib.libPath))

        // dynamically link libs if not on windows

            .concat(libsFoundInDir.map(lib => '-lopencv_' + lib.opencvModule))

            .concat('-Wl,-rpath,' + libDir);

        const dir = path.dirname(libs[0]);

        const names = libs.map(lib => path.basename(lib));

        log.info('libs', `${os_1.EOL}Setting lib from ${pc.green(dir)} : ${names.map(pc.yellow).join(', ')}`);

        log.info('libs', `${os_1.EOL}no Libs available`);

 * generate all C++ Defines and debug them nicely on screen

 * @param libsFoundInDir selected modules

function getOPENCV4NODEJS_DEFINES(libsFoundInDir) {

        .map(lib => `OPENCV4NODEJS_FOUND_LIBRARY_${lib.opencvModule.toUpperCase()}`);

    log.info('defines', `${os_1.EOL}Setting the following defines:`);

    const longest = Math.max(...defines.map(a => a.length));

                'Missing node-gyp/Cache/16.13.1/include/node',

                // 'Missing node-gyp/Cache/16.13.1/include/node',

                ...OPENCV4NODEJS_INCLUDES,

                '${workspaceFolder}/node_modules/nan',

                '${workspaceFolder}/node_modules/native-node-utils/src',

                '${workspaceFolder}/cc/core',

                ...openCvContribModuleInclude,

                `CV_VERSION_MAJOR=${cvVersion[0]}`,

                `CV_VERSION_MINOR=${cvVersion[1]}`,

                `CV_VERSION_REVISION=${cvVersion[2]}`,

            // "compilerArgs": [ "-std=c++11" ]

        if (process.platform === 'win32') {

            config.defines.push('_HAS_EXCEPTIONS=1');

        console.log(JSON.stringify(config, null, '  '));

        console.log(`${setEnv}OPENCV4NODEJS_DEFINES="${OPENCV4NODEJS_DEFINES}"`);

        console.log(`${setEnv}OPENCV4NODEJS_INCLUDES="${OPENCV4NODEJS_INCLUDES}"`);

        console.log(`${setEnv}OPENCV4NODEJS_LIBRARIES="${OPENCV4NODEJS_LIBRARIES}"`);

        const child = child_process.exec(nodegypCmd, { maxBuffer: Infinity, cwd }, function (error /*, stdout, stderr*/) {

            const bin = buildOptions.extra.electron ? 'electron-rebuild' : 'node-gyp';

                console.log(`error: `, error);

                log.error('install', `${bin} failed and return ${error.name} ${error.message} return code: ${error.code}`);

                log.info('install', `${bin} complete successfully`);

            child.stdout.pipe(process.stdout);

            child.stderr.pipe(process.stderr);

  "description": "Asynchronous OpenCV 3.x / 4.x nodejs bindings with JavaScript and TypeScript API.",

    "Uriel Chemouni <uchemouni@gmail.com> (https://uriel.ovh/)",

    "justadudewhohacks (https://github.com/justadudewhohacks)"

    "url": "git+https://github.com/UrielCh/opencv4nodejs"

    "url": "https://github.com/UrielCh/opencv4nodejs/issues"

  "homepage": "https://github.com/UrielCh/opencv4nodejs#readme",

    "@typescript-eslint/eslint-plugin": "^5.54.1",

    "@typescript-eslint/parser": "^5.54.1",

    "@typescript-eslint/eslint-plugin": "^5.55.0",

    "@typescript-eslint/parser": "^5.55.0",

    "eslint-plugin-react-hooks": "^4.6.0",

    "install": "node bin/install.js auto",

    "install_Mac": "CXXFLAGS=\"-std=c++14 -Wno-c++11-narrowing\" node ./install/install.js --version 4.5.3 build",

    "install_default": "node bin/install.js rebuild",

    "install_ubuntu": "echo call: sudo apt install libopencv-dev; build-opencv --incDir /usr/include/opencv4/ --libDir /lib/x86_64-linux-gnu/ --binDir=/usr/bin/ --nobuild rebuild",

    "install_macm1": "node bin/install.js --version 4.5.4 --flag=\"-DCMAKE_SYSTEM_PROCESSOR=arm64 -DCMAKE_OSX_ARCHITECTURES=arm64 -DWITH_FFMPEG=ON\" rebuild",

    "install_cuda": "cross-env OPENCV4NODEJS_DISABLE_AUTOBUILD= node bin/install.js --version 4.6.0 --flags=\"-DWITH_CUDA=ON -DWITH_CUDNN=ON -DOPENCV_DNN_CUDA=ON -DCUDA_FAST_MATH=ON -DWITH_FFMPEG=ON\" rebuild",

    "install_4_6_0_cuda_30XX": "cross-env OPENCV4NODEJS_DISABLE_AUTOBUILD= node bin/install.js --keepsource --version 4.6.0 --cuda --cudaArch=8.6 rebuild",

    "test": "cd test && pnpm install && pnpm run test",

    "samples": "cd examples && pnpm install && npm run build && node ./src/templateMatch/multiMatchBench.js && node ./src/templateMatch/multiMatchColision.js && node ./src/applyColorMap.js && node ./src/asyncMatchFeatures.js && node ./src/faceDetect/asyncFaceDetection.js",

    "do-build": "npm run build && node bin/install.js --version 4.6.0 --jobs MAX build",

    "do-rebuild": "npm run build && node bin/install.js --version 4.6.0 --jobs MAX rebuild",

    "lint": "eslint examples/**/*.ts lib/**/*.ts typings/**/*.ts ",

    "cleanjs": "rimraf {install,lib,examples}/**/*.{d.ts,js,map}",

    "build-debug": "npm run build && BINDINGS_DEBUG=true node bin/install.js rebuild"

  detectAsync(image: Mat): Promise<KeyPoint[]>;

  detect(image: Mat, mask?: Mat): KeyPoint[];

  detectAsync(image: Mat, mask?: Mat): Promise<KeyPoint[]>;

		{
		"name": "@u4/opencv4nodejs",
		"version": "6.5.0",
		"version": "6.5.1",
		"description": "Asynchronous OpenCV 3.x / 4.x nodejs bindings with JavaScript and TypeScript API.",
		@@ -38,3 +38,3 @@ "keywords": [
		"dependencies": {
		"@u4/opencv-build": "0.7.6",
		"@u4/opencv-build": "0.7.7",
		"@u4/tiny-glob": "^0.3.2",
		@@ -48,10 +48,10 @@ "nan": "^2.17.0",
		"@types/mri": "^1.1.1",
		"@types/node": "^18.14.6",
		"@types/node": "^18.15.3",
		"@types/npmlog": "^4.1.4",
		"@types/progress": "^2.0.5",
		"@typescript-eslint/eslint-plugin": "^5.54.1",
		"@typescript-eslint/parser": "^5.54.1",
		"@typescript-eslint/eslint-plugin": "^5.55.0",
		"@typescript-eslint/parser": "^5.55.0",
		"axios": "^1.3.4",
		"cross-env": "^7.0.3",
		"eslint": "^8.35.0",
		"eslint": "^8.36.0",
		"eslint-config-airbnb": "^19.0.4",
		@@ -64,3 +64,3 @@ "eslint-plugin-import": "^2.27.5",
		"rimraf": "^4.4.0",
		"typescript": "^4.9.5"
		"typescript": "^5.0.2"
		},
		@@ -67,0 +67,0 @@ "files": [

Improved metrics

Dependency changes

		@@ -321,3 +321,3 @@ "use strict";
		"includePath": [
		'Missing node-gyp/Cache/16.13.1/include/node',
		// 'Missing node-gyp/Cache/16.13.1/include/node',
		...OPENCV4NODEJS_INCLUDES,
		@@ -324,0 +324,0 @@ '${workspaceFolder}/node_modules/nan',

		@@ -5,4 +5,4 @@ import { KeyPoint } from './KeyPoint.d';
		export class KeyPointDetector {
		detect(image: Mat): KeyPoint[];
		detectAsync(image: Mat): Promise<KeyPoint[]>;
		detect(image: Mat, mask?: Mat): KeyPoint[];
		detectAsync(image: Mat, mask?: Mat): Promise<KeyPoint[]>;
		}