Amaznorm

noromanba by noromanba 2018-06-16 [2018/06/16 01:46:55]

normalize redundant url/canonical on www.amazon.tld

    • @@ -1,11 +1,11 @@
 /*
  * @title Amaznorm
  * @description normalize redundant url/canonical on www.amazon.tld
- * @include http://www.amazon.tld/*
+ * @include https://www.amazon.tld/*
  * @include https://www.amazon.com/*
- * @include http://www.amazon.com.au/*
- * @include http://www.amazon.com.br/*
- * @include http://www.amazon.com.mx/*
+ * @include https://www.amazon.com.au/*
+ * @include https://www.amazon.com.br/*
+ * @include https://www.amazon.com.mx/*
  * @license MIT License http://opensource.org/licenses/MIT
  * @javascript_url
  */
@@ -16,34 +16,44 @@
 // https://gist.github.com/noromanba/da0de2ed47a381ee8c1e
 
 // e.g.
-// http://www.amazon.co.jp/COOKPAD-Inc-%E3%82%AF%E3%83%83%E3%82%AF%E3%83%91%E3%83%83%E3%83%89-No-1%E3%83%AC%E3%82%B7%E3%83%94%E6%A4%9C%E7%B4%A2%E3%82%A2%E3%83%97%E3%83%AA/dp/B00G9THZCW/
-// to
-// http://www.amazon.co.jp/dp/B00G9THZCW
+// https://www.amazon.co.jp/%E5%87%8D%E7%B5%90%E9%98%B2%E6%AD%A2%E5%89%A4-%E5%A1%A9%E5%8C%96%E3%83%8A%E3%83%88%E3%83%AA%E3%82%A6%E3%83%A025kg%C3%9740%E8%A2%8B-%E5%90%88%E8%A8%881000kg-%E8%9E%8D%E9%9B%AA%E5%89%A4-%E5%86%B7%E5%87%8D%E9%96%A2%E4%BF%82%E3%81%AE%E3%83%96%E3%83%A9%E3%82%A4%E3%83%B3/dp/B018QKEPII
+// |
+// v
+// https://www.amazon.co.jp/dp/B018QKEPII
 
-(function () {
-    var path = location.pathname;
+// K*ndle manga trial
+// http://let.hatelabo.jp/noromanba/let/hJmc2OiUh-0u
+
+(() => {
+    'use strict';
 
     // ".com.xx" unsupported Magic TLD c.f.
-    // http://wiki.greasespot.net/Magic_TLD
+    // https://web.archive.org/https://wiki.greasespot.net/Magic_TLD
     // https://publicsuffix.org/list/
     // https://en.wikipedia.org/wiki/Amazon.com#Website
-    if (!/(?:www\.)*amazon\.[\a-z]{2,3}(?:\.[\a-z]{2})*$/.test(location.hostname) ||
-        (!path.includes('/dp/') && !path.includes('/gp/'))) {
+    // TBD omit hostname assertion
+    if (!/(?:www\.)*amazon\.[a-z]{2,3}(?:\.[a-z]{2})*$/.test(location.hostname) ||
+        !['/dp/', '/gp/', '/ASIN/', ].find(s => location.pathname.includes(s))) {
         return;
     }
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find
+    //  -> 1st-exists | undefined
 
-    var canon = (document.head.querySelector('link[rel="canonical"][href]') || {});
+    const canon = (document.head.querySelector([
+        'link[rel="canonical"][href]'
+    ]) || {});
     if (!canon || !canon.href) return;
 
     // redundant canonical syntax;
-    // http://www.amazon.<TLD>/<URL_ENCODED_ITEM_NAME>/dp/<ASIN>
-    var norm = [
+    // https://www.amazon.<TLD>/<URL_ENCODED_ITEM_NAME>/dp/<ASIN>
+    const norm = [
         location.origin,
         '/',
-        new URL(canon.href).pathname.split('/').slice(-2).join('/')
+        new URL(canon.href).pathname.split('/').slice(-2).join('/'),
     ].join('');
 
-    canon.href = norm; // avoid canonical mismatch
+    // avoid canonical mismatch
+    canon.href = norm;
     //*
     window.history.pushState(null, null, norm);
     /*/
@@ -52,3 +62,11 @@
     //*/
 })();
 
+
+// DEV
+//
+// https://www.amazon.co.jp/%E3%83%97%E3%83%AA%E3%83%B3%E3%83%86%E3%82%A3%E3%83%B3%E3%82%B0-%E9%AB%98%E3%81%95472cm%EF%BC%81%E3%83%96%E3%83%A9%E3%82%AD%E3%82%AA%E3%82%B5%E3%82%A6%E3%83%AB%E3%82%B9%E5%A4%A7%E5%9E%8B%E9%80%A0%E5%BD%A2%E7%89%A9%EF%BC%88%E6%81%90%E7%AB%9C%E7%AD%89%E8%BA%AB%E5%A4%A7%E3%83%95%E3%82%A3%E3%82%AE%E3%83%A5%E3%82%A2%EF%BC%89/dp/B00789E5H0
+//  https://www.amazon.co.jp/dp/B00789E5H0
+// https://www.amazon.co.jp/One-Only-Jewellery-%E9%91%91%E5%AE%9A%E6%9B%B8%E4%BB%98%E3%80%91%E3%83%80%E3%82%A4%E3%83%A4%E3%83%A2%E3%83%B3%E3%83%89-31-04ct/dp/B07CJH1YP1
+//  https://www.amazon.co.jp/dp/B018QKEPII
+

  • /*
 * @title Amaznorm
 * @description normalize redundant url/canonical on www.amazon.tld
 * @include https://www.amazon.tld/*
 * @include https://www.amazon.com/*
 * @include https://www.amazon.com.au/*
 * @include https://www.amazon.com.br/*
 * @include https://www.amazon.com.mx/*
 * @license MIT License http://opensource.org/licenses/MIT
 * @javascript_url
 */

// ready to use @run-at document-body

// UserScript
// https://gist.github.com/noromanba/da0de2ed47a381ee8c1e

// e.g.
// https://www.amazon.co.jp/%E5%87%8D%E7%B5%90%E9%98%B2%E6%AD%A2%E5%89%A4-%E5%A1%A9%E5%8C%96%E3%83%8A%E3%83%88%E3%83%AA%E3%82%A6%E3%83%A025kg%C3%9740%E8%A2%8B-%E5%90%88%E8%A8%881000kg-%E8%9E%8D%E9%9B%AA%E5%89%A4-%E5%86%B7%E5%87%8D%E9%96%A2%E4%BF%82%E3%81%AE%E3%83%96%E3%83%A9%E3%82%A4%E3%83%B3/dp/B018QKEPII
// |
// v
// https://www.amazon.co.jp/dp/B018QKEPII

// K*ndle manga trial
// http://let.hatelabo.jp/noromanba/let/hJmc2OiUh-0u

(() => {
    'use strict';

    // ".com.xx" unsupported Magic TLD c.f.
    // https://web.archive.org/https://wiki.greasespot.net/Magic_TLD
    // https://publicsuffix.org/list/
    // https://en.wikipedia.org/wiki/Amazon.com#Website
    // TBD omit hostname assertion
    if (!/(?:www\.)*amazon\.[a-z]{2,3}(?:\.[a-z]{2})*$/.test(location.hostname) ||
        !['/dp/', '/gp/', '/ASIN/', ].find(s => location.pathname.includes(s))) {
        return;
    }
    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find
    //  -> 1st-exists | undefined

    const canon = (document.head.querySelector([
        'link[rel="canonical"][href]'
    ]) || {});
    if (!canon || !canon.href) return;

    // redundant canonical syntax;
    // https://www.amazon.<TLD>/<URL_ENCODED_ITEM_NAME>/dp/<ASIN>
    const norm = [
        location.origin,
        '/',
        new URL(canon.href).pathname.split('/').slice(-2).join('/'),
    ].join('');

    // avoid canonical mismatch
    canon.href = norm;
    //*
    window.history.pushState(null, null, norm);
    /*/
    // TODO title blank in Browser History
    window.history.replaceState(null, document.title, norm);
    //*/
})();


// DEV
//
// https://www.amazon.co.jp/%E3%83%97%E3%83%AA%E3%83%B3%E3%83%86%E3%82%A3%E3%83%B3%E3%82%B0-%E9%AB%98%E3%81%95472cm%EF%BC%81%E3%83%96%E3%83%A9%E3%82%AD%E3%82%AA%E3%82%B5%E3%82%A6%E3%83%AB%E3%82%B9%E5%A4%A7%E5%9E%8B%E9%80%A0%E5%BD%A2%E7%89%A9%EF%BC%88%E6%81%90%E7%AB%9C%E7%AD%89%E8%BA%AB%E5%A4%A7%E3%83%95%E3%82%A3%E3%82%AE%E3%83%A5%E3%82%A2%EF%BC%89/dp/B00789E5H0
//  https://www.amazon.co.jp/dp/B00789E5H0
// https://www.amazon.co.jp/One-Only-Jewellery-%E9%91%91%E5%AE%9A%E6%9B%B8%E4%BB%98%E3%80%91%E3%83%80%E3%82%A4%E3%83%A4%E3%83%A2%E3%83%B3%E3%83%89-31-04ct/dp/B07CJH1YP1
//  https://www.amazon.co.jp/dp/B018QKEPII
  • Permalink
    このページへの個別リンクです。
    RAW
    書かれたコードへの直接のリンクです。
    Packed
    文字列が圧縮された書かれたコードへのリンクです。
    Userscript
    Greasemonkey 等で利用する場合の .user.js へのリンクです。
    Loader
    @require やソースコードが長い場合に多段ロードする Loader コミのコードへのリンクです。
    Metadata
    コード中にコメントで @xxx と書かれたメタデータの JSON です。

History

  1. 2018/06/16 01:46:55 - 2018-06-16
  2. 2016/01/24 04:36:20 - 2016-01-24
  3. 2016/01/24 04:35:10 - 2016-01-24
  4. 2015/10/18 14:05:44 - 2015-10-18
  5. 2015/10/17 09:45:10 - 2015-10-17
  6. 2015/10/17 09:41:25 - 2015-10-17
  7. 2015/10/17 09:37:18 - 2015-10-17