{"id":4029,"date":"2023-02-22T03:21:46","date_gmt":"2023-02-21T18:21:46","guid":{"rendered":"https:\/\/engineering.webstudio168.jp\/?p=4029"},"modified":"2023-02-22T03:24:45","modified_gmt":"2023-02-21T18:24:45","slug":"chrome-extension-background-localstorage","status":"publish","type":"post","link":"https:\/\/engineering.webstudio168.jp\/blog\/blog\/2023\/02\/22\/chrome-extension-background-localstorage\/","title":{"rendered":"\u3010Chrome\u62e1\u5f35\u3011background\u5185\u3067localStorage\u3092\u4f7f\u304a\u3046\u3068\u3057\u3066\u30c9\u30f3\u30cf\u30de\u30ea\u3057\u305f\u3010Chrome Extensions\u3011"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/blog\/2023\/02\/22\/chrome-extension-background-localstorage\/#serviceWorker%EF%BC%88backgroundjs%EF%BC%89%E3%81%A7%E3%81%AFlocalStorage%E3%81%AE%E4%BD%BF%E7%94%A8%E4%B8%8D%E5%8F%AF\" >serviceWorker\uff08background.js\uff09\u3067\u306flocalStorage\u306e\u4f7f\u7528\u4e0d\u53ef<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u672c\u756a\u74b0\u5883\u30fb\u958b\u767a\u74b0\u5883\u30fb\u30c6\u30b9\u30c8\u74b0\u5883\u306eURL\u306e\u30b5\u30a4\u30c8\u30d1\u30b9\u3092\u7dad\u6301\u3057\u305f\u307e\u307e\u30c9\u30e1\u30a4\u30f3\u3092\u5207\u308a\u66ff\u3048\u3066\u8868\u793a\u3055\u305b\u308b\u300eThe Switcher\u300f\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3093\u3067\u3059\u3088\u306d\u3002\u8a73\u3057\u304f\u306f\u5b9f\u88c5\u5f8c\u306b\u304a\u8a71\u3057\u3057\u307e\u3059\u304c\u3001\u62e1\u5f35\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u62bc\u3059\u3060\u3051\u3067\u306f\u306a\u304f\u3066\u3001\u53f3\u30af\u30ea\u30c3\u30af\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30e1\u30cb\u30e5\u30fc\u306b\u3082URL\u306e\u5019\u88dc\u3092\u51fa\u305d\u3046\u3063\u3066\u52d5\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-qootechweb wp-block-embed-qootechweb\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"fROb4PtsFc\"><a href=\"https:\/\/engineering.webstudio168.jp\/blog\/multi-domain-switching-and-changeng-extension-the-switcher\/\">\u30c6\u30b9\u30c8\/\u672c\u756a\uff08\u8907\u6570\u74b0\u5883\uff09\u30c9\u30e1\u30a4\u30f3\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u6bd4\u8f03\u691c\u8a3c\u3092\u52b9\u7387\u5316\u3059\u308bChrome\u62e1\u5f35\u6a5f\u80fd \u300eThe Switcher\u300f &#8211; \u30c6\u30b9\u30c8\u74b0\u5883\u30fb\u672c\u756a\u74b0\u5883\u306e\u5207\u308a\u66ff\u3048\u306b\u304a\u4f7f\u3044\u304f\u3060\u3055\u3044<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u30c6\u30b9\u30c8\/\u672c\u756a\uff08\u8907\u6570\u74b0\u5883\uff09\u30c9\u30e1\u30a4\u30f3\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u6bd4\u8f03\u691c\u8a3c\u3092\u52b9\u7387\u5316\u3059\u308bChrome\u62e1\u5f35\u6a5f\u80fd \u300eThe Switcher\u300f \u2013 \u30c6\u30b9\u30c8\u74b0\u5883\u30fb\u672c\u756a\u74b0\u5883\u306e\u5207\u308a\u66ff\u3048\u306b\u304a\u4f7f\u3044\u304f\u3060\u3055\u3044\u201d \u2014 QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0\" src=\"https:\/\/engineering.webstudio168.jp\/blog\/multi-domain-switching-and-changeng-extension-the-switcher\/embed\/#?secret=iIba3YmI5p#?secret=fROb4PtsFc\" data-secret=\"fROb4PtsFc\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u3001serviceworker\u3067\u3042\u308bbackground.js\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u6307\u5b9a\u3057\u305f\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5024\u304c\u53d6\u308c\u306a\u304f\u3066\u75b2\u5f0a\u3057\u3066\u304a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65e6\u3001content_scpipt\u304b\u3089bakground\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u3063\u3066\u3001\u53d6\u5f97\u3067\u304d\u307e\u3059\uff01\u3068\u304b\u306e\u8a18\u4e8b\u304c\u30cd\u30c3\u30c8\u306b\u8f09\u3063\u3066\u3044\u308b\u306e\u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u5168\u6ec5\u3002\u30c6\u30b9\u30c8\u30b9\u30af\u30ea\u30d7\u30c8\u3059\u3089\u52d5\u304b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u3001\u5148\u307b\u3069\u9a5a\u6115\u306e\u4e8b\u5b9f\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u3060\u308c\u3082\u8a18\u4e8b\u306b\u3057\u306a\u3044\u3093\u3060\u308d\u3046\u306a\u3001\u3082\u3046\u3061\u3087\u3063\u3068\u60c5\u5831\u3042\u3063\u3066\u3082\u826f\u304b\u3063\u305f\u3068\u601d\u3046\u3051\u3069\u3001\u3001<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"serviceWorker%EF%BC%88backgroundjs%EF%BC%89%E3%81%A7%E3%81%AFlocalStorage%E3%81%AE%E4%BD%BF%E7%94%A8%E4%B8%8D%E5%8F%AF\"><\/span>serviceWorker\uff08background.js\uff09\u3067\u306flocalStorage\u306e\u4f7f\u7528\u4e0d\u53ef<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mozzilla\u306a\u3093\u3067\u3059\u3051\u3069\u66f8\u3044\u3066\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/developer.mozilla.org\/ja\/docs\/Web\/API\/Web_Storage_API\">localStorage<\/a>&nbsp;\u306f\u30b5\u30fc\u30d3\u30b9\u30ef\u30fc\u30ab\u30fc\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u540c\u3058\u3088\u3046\u306b\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u540c\u671f\u51e6\u7406\u3067\u3042\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d3\u30b9\u30ef\u30fc\u30ab\u30fc\u5185\u3067\u306f\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<cite>https:\/\/developer.mozilla.org\/ja\/docs\/Web\/API\/Service_Worker_API\/Using_Service_Workers<\/cite><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u516c\u5f0f\u30da\u30fc\u30b8\u306e\u3068\u3063\u3066\u3082\u5206\u304b\u308a\u306b\u304f\u3044\u5834\u6240\u306b\u2026\u2026<br>Chrome\u3082\u540c\u69d8\u306bManufest V3\u304b\u3089\u5229\u7528\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3061\u306a\u307f\u306b\u8a00\u3044\u8a33\u3067\u3059\u304c\u3001\u3053\u306e\u7406\u7531\u306b\u305f\u3069\u308a\u7740\u304f\u307e\u3067\u306b\u4e00\u756a\u6700\u521d\u306b\u8996\u8a8d\u3057\u305f\u30b3\u30f3\u30bd\u30fc\u30eb\u30a8\u30e9\u30fc\u304c\u300clocalStorage is not defined\u300d\u3067\u3059\u304b\u3089\u306d\u3002\u5206\u304b\u3089\u3093\u3059\u3088\u5148\u8f29\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u3001\u3044\u3046\u308f\u3051\u3067seviceWorker\u3067\u306flocalStorrage\u306f\u4f7f\u308f\u305a\u3001Chrome.storage.local(sync).get()\u306a\u3069\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3063\u3066\u3053\u3068\u3067\u3059\u3002\u3067\u3082\u306a\u3041\u3001\u975e\u540c\u671f\u3060\u304b\u3089\u51e6\u7406\uff08JSON\u306e\u5c55\u958b\uff09\u3068\u304b\u5c11\u3057\u3084\u3084\u3053\u3057\u304f\u306a\u308b\u3093\u3060\u3088\u306a\u3041\u3002\u6700\u521d\u304b\u3089Chrome.storage\u306b\u3057\u3066\u304a\u3051\u3070\u3088\u304b\u3063\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u3057\u3001Chrome\u62e1\u5f35\u3067localStorage\u304bChrome.storage\u304b\u8ff7\u3063\u3066\u3044\u3089\u3063\u3057\u3083\u308b\u65b9\u306fChrome.storage\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u756a\u74b0\u5883\u30fb\u958b\u767a\u74b0\u5883\u30fb\u30c6\u30b9\u30c8\u74b0\u5883\u306eURL\u306e\u30b5\u30a4\u30c8\u30d1\u30b9\u3092\u7dad\u6301\u3057\u305f\u307e\u307e\u30c9\u30e1\u30a4\u30f3\u3092\u5207\u308a\u66ff\u3048\u3066\u8868\u793a\u3055\u305b\u308b\u300eThe Switcher\u300f\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3093\u3067\u3059\u3088\u306d\u3002\u8a73\u3057\u304f\u306f\u5b9f\u88c5\u5f8c\u306b\u304a\u8a71\u3057\u3057\u307e\u3059\u304c\u3001\u62e1\u5f35\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u62bc\u3059\u3060\u3051 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4037,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[38,8,89,48],"class_list":["post-4029","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","tag-chrome","tag-javascript","tag-89","tag-48"],"_links":{"self":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/4029","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/comments?post=4029"}],"version-history":[{"count":9,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/4029\/revisions"}],"predecessor-version":[{"id":4040,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/4029\/revisions\/4040"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/media\/4037"}],"wp:attachment":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/media?parent=4029"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/categories?post=4029"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/tags?post=4029"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}