fix(index): do not assume win32 usage for binaries

src/index.js

@@ -75,15 +75,18 @@ class UnRTF {
 	constructor(binPath) {
 		if (binPath) {
 			this.unrtfPath = path.normalizeTrim(binPath);
-		} else {
-			// If not set, expect user to be using Win32
+		} else if (process.platform === "win32") {
 			this.unrtfPath = path.joinSafe(
 				__dirname,
 				"lib",
 				"win32",
 				"unrtf-0.19.3",
 				"bin"
 			);
+		} else {
+			throw new Error(
+				`${process.platform} UnRTF binaries are not provided, please pass the installation directory as a parameter to the UnRTF instance.`
+			);
 		}
 	}
 

src/index.test.js

@@ -2,7 +2,6 @@
 /* eslint-disable security/detect-child-process */
 /* eslint-disable security/detect-non-literal-fs-filename */
 const isHtml = require("is-html");
-const os = require("os");
 const path = require("upath");
 const semver = require("semver");
 const { execFile } = require("child_process");
@@ -15,8 +14,7 @@ const testDirectory = `${__dirname}/../test_files/`;
 const file = `${testDirectory}test-rtf-complex.rtf`;
 
 let testBinaryPath;
-const platform = os.platform();
-switch (platform) {
+switch (process.platform) {
 	// macOS
 	case "darwin":
 		testBinaryPath = "/usr/local/bin";
@@ -39,7 +37,7 @@ switch (platform) {
 		break;
 }
 
-if (platform === "win32") {
+if (process.platform === "win32") {
 	describe("Constructor", () => {
 		test("Should convert RTF file to HTML without binary set, and use included Windows binary", async () => {
 			const unRtf = new UnRTF();