link-preview-js - npm Package Compare versions

Comparing version 2.1.17 to 2.1.19

build/index.d.ts

@@ -6,4 +6,5 @@ interface ILinkPreviewOptions {
     timeout?: number;
-    followRedirects?: boolean;
+    followRedirects?: `follow` | `error` | `manual`;
     resolveDNSHost?: (url: string) => Promise<string>;
+    handleRedirects?: (baseURL: string, forwardedURL: string) => boolean;
 }
@@ -10,0 +11,0 @@ interface IPreFetchedResource {

build/index.js

@@ -324,8 +324,8 @@ "use strict";
 function getLinkPreview(text, options) {
-    var _a, _b;
+    var _a, _b, _c;
     return __awaiter(this, void 0, void 0, function () {
         var detectedUrl, resolvedUrl, timeout, controller, timeoutCounter, fetchOptions, fetchUrl, response, headers, normalizedResponse;
-        var _c;
-        return __generator(this, function (_d) {
-            switch (_d.label) {
+        var _d;
+        return __generator(this, function (_e) {
+            switch (_e.label) {
                 case 0:
@@ -342,8 +342,11 @@ if (!text || typeof text !== "string") {
                     }
+                    if ((options === null || options === void 0 ? void 0 : options.followRedirects) === "manual" && !(options === null || options === void 0 ? void 0 : options.handleRedirects)) {
+                        throw new Error("link-preview-js followRedirects is set to manual, but no handleRedirects function was provided");
+                    }
                     if (!!!(options === null || options === void 0 ? void 0 : options.resolveDNSHost)) return [3 /*break*/, 2];
                     return [4 /*yield*/, options.resolveDNSHost(detectedUrl)];
                 case 1:
-                    resolvedUrl = _d.sent();
+                    resolvedUrl = _e.sent();
                     throwOnLoopback(resolvedUrl);
-                    _d.label = 2;
+                    _e.label = 2;
                 case 2:
@@ -355,5 +358,3 @@ timeout = (_a = options === null || options === void 0 ? void 0 : options.timeout) !== null && _a !== void 0 ? _a : 3000;
                         headers: (_b = options === null || options === void 0 ? void 0 : options.headers) !== null && _b !== void 0 ? _b : {},
-                        redirect: (options === null || options === void 0 ? void 0 : options.followRedirects)
-                            ? "follow"
-                            : "error",
+                        redirect: (_c = options === null || options === void 0 ? void 0 : options.followRedirects) !== null && _c !== void 0 ? _c : "error",
                         signal: controller.signal,
@@ -364,3 +365,15 @@ };
                         : detectedUrl;
-                    return [4 /*yield*/, (0, cross_fetch_1.fetch)(fetchUrl, fetchOptions).catch(function (e) {
+                    return [4 /*yield*/, (0, cross_fetch_1.fetch)(fetchUrl, fetchOptions)
+                            .then(function (res) {
+                            if ((res.status === 301 || res.status === 302) &&
+                                fetchOptions.redirect === "manual" &&
+                                (options === null || options === void 0 ? void 0 : options.handleRedirects)) {
+                                if (!options.handleRedirects(fetchUrl, (res.headers.get("location") || ""))) {
+                                    throw new Error("link-preview-js could not handle redirect");
+                                }
+                                return (0, cross_fetch_1.fetch)(res.headers.get("location") || "", fetchOptions);
+                            }
+                            return res;
+                        })
+                            .catch(function (e) {
                             if (e.name === "AbortError") {
@@ -372,3 +385,3 @@ throw new Error("Request timeout");
                 case 3:
-                    response = _d.sent();
+                    response = _e.sent();
                     clearTimeout(timeoutCounter);
@@ -379,3 +392,3 @@ headers = {};
                     });
-                    _c = {
+                    _d = {
                         url: (options === null || options === void 0 ? void 0 : options.proxyUrl)
@@ -388,4 +401,4 @@ ? response.url.replace(options.proxyUrl, "")
                 case 4:
-                    normalizedResponse = (_c.data = _d.sent(),
-                        _c);
+                    normalizedResponse = (_d.data = _e.sent(),
+                        _d);
                     return [2 /*return*/, parseResponse(normalizedResponse, options)];
@@ -392,0 +405,0 @@ }

package.json

 {
   "name": "link-preview-js",
-  "version": "2.1.17",
+  "version": "2.1.19",
   "description": "Javascript module to extract and fetch HTTP link information from blocks of text.",
@@ -5,0 +5,0 @@ "main": "build/index.js",

README.md

@@ -115,3 +115,4 @@ <h1 align="center">Link Preview JS</h1>
     return new Promise((resolve, reject) => {
-      dns.lookup(url, (err, address, family) => {
+      const hostname = new URL(url).hostname;
+      dns.lookup(hostname, (err, address, family) => {
         if (err) {
@@ -118,0 +119,0 @@ reject(err);

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Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Total package byte prevSize

35512

increased by3.71%

Lines of code

559

increased by2.57%

Number of lines in readme file

224

increased by0.45%

No dependency changes