下载时增加版本判断

CMakeLists.txt

@@ -37,6 +37,19 @@ if(CMAKE_JS_RESULT EQUAL 0)
 			OUTPUT_STRIP_TRAILING_WHITESPACE
 		)
 	endif()
+	# ReleaseVersion
+	if(CMAKE_JS_RESULT EQUAL 0)
+		execute_process(
+			COMMAND node ${CMAKE_SOURCE_DIR}/thirdpart/cmake-js-util.js --release
+			RESULT_VARIABLE CMAKE_JS_RESULT
+			OUTPUT_VARIABLE RELEASE_VERSION
+			OUTPUT_STRIP_TRAILING_WHITESPACE
+		)
+		if(CMAKE_JS_RESULT EQUAL 0)
+			message(STATUS "RELEASE_VERSION: ${RELEASE_VERSION}")
+			add_compile_definitions(RELEASE_VERSION="${RELEASE_VERSION}")
+		endif()
+	endif()
 
 	# NAPI
 	if(CMAKE_JS_RESULT EQUAL 0)

cxx/node.cc

@@ -4,6 +4,10 @@
 
 static Napi::Object Init(Napi::Env env, Napi::Object exports)
 {
+#ifdef RELEASE_VERSION
+	exports.Set("__release__", Napi::String::New(env, RELEASE_VERSION));
+#endif
+
 	InitMatAPI(env, exports);
 	InitVideoCaptureAPI(env, exports);
 	InitUtilAPI(env, exports);

src/cv/download.ts

@@ -3,13 +3,17 @@ import fs from "fs";
 import path from "path";
 import { C } from "./common";
 
+
+
 const URLS = {
 	GITHUB: `https://github.com/kangkang520/node-addons/releases/download/cv{{version}}/cv_{{platform}}_{{arch}}.node`,
 	URNAS: `http://git.urnas.cn:5200/yizhi-js-lib/opencv/releases/download/{{version}}/cv_{{platform}}_{{arch}}.node`,
 }
 
+function releaseVersion() { return require("../../package.json").releaseVersion }
+
 function getURL(template: string) {
-	const version = require("../../package.json").releaseVersion;
+
 	let platform = "";
 	let arch = "";
 	switch (os.platform()) {
@@ -30,7 +34,7 @@ function getURL(template: string) {
 			throw new Error(`Unsupported architecture: ${os.arch()}, Please compile the addon yourself.`);
 	}
 
-	return template.replaceAll("{{version}}", version).replaceAll("{{platform}}", platform).replaceAll("{{arch}}", arch);
+	return template.replaceAll("{{version}}", releaseVersion()).replaceAll("{{platform}}", platform).replaceAll("{{arch}}", arch);
 }
 
 async function getStream() {
@@ -48,7 +52,12 @@ async function getStream() {
 export async function downloadAddon(savename?: string) {
 	const defaultAddon = path.resolve(process.cwd(), C("ADDON_PATH"));
 	const saveName = savename ? path.resolve(path.dirname(defaultAddon), savename) : defaultAddon;
-	if (fs.existsSync(saveName)) return saveName;
+	if (fs.existsSync(saveName)) {
+		try {
+			const addon = require(saveName);
+			if (addon.__release__ === releaseVersion()) return saveName;
+		} catch (err) { }
+	}
 
 	await fs.promises.mkdir(path.dirname(saveName), { recursive: true });
 

src/test.ts

@@ -33,8 +33,9 @@ async function testImage() {
 }
 
 async function testMovie() {
+	await cv.downloadAddon();
 	const cap = new cv.VideoCapture("test_data/movie.mp4");
-	if(cap.grab()){
+	if (cap.grab()) {
 		const im = cap.retrieve();
 		debugger;
 	}

thirdpart/cmake-js-util.js

@@ -16,3 +16,4 @@ if (args.includes("--include")) runCmakeJS(["print-cmakejs-include"]);
 else if (args.includes("--src")) runCmakeJS(["print-cmakejs-src"]);
 else if (args.includes("--lib")) runCmakeJS(["print-cmakejs-lib"]);
 else if (args.includes("--napi")) console.log(require("node-addon-api").include.replace(/^"/, "").replace(/"$/, ""));
+else if (args.includes("--release")) console.log(require("../package.json").releaseVersion);