{"id":7855,"date":"2016-07-14T09:58:10","date_gmt":"2016-07-14T16:58:10","guid":{"rendered":"http:\/\/blog.mozilla.org\/addons\/?p=7855"},"modified":"2016-07-15T11:12:23","modified_gmt":"2016-07-15T18:12:23","slug":"webextensions-support-on-amo","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/addons\/2016\/07\/14\/webextensions-support-on-amo\/","title":{"rendered":"WebExtensions support on AMO"},"content":{"rendered":"

It’s been possible to submit WebExtensions add-ons to addons.mozilla.org<\/a> (AMO) since February<\/a>, but I wanted to take a moment to highlight some of the improvements we\u2019ve made since then that make it much easier to get your Chrome or Opera add-on into AMO.<\/p>\n

These features have all been deployed to AMO over the last couple of months and are available for use.<\/p>\n

New linter<\/h3>\n

We are now using the add-ons linter<\/a> for WebExtensions which means that when we parse a WebExtensions add-on, we are running through a new JavaScript-powered linter, instead of the Python one. This parsing occurs each time you upload a new add-on or a new version of an add-on.<\/p>\n

It uses eslint<\/a> to parse the JavaScript and a schema<\/a> to verify that the WebExtensions manifest is correct. Because we\u2019ve started to implement functionality in the new add-ons linter that didn\u2019t exist in the old version, more things will be showing up as warnings.<\/p>\n

As an example, if you request a permission in the manifest that Firefox doesn\u2019t support, you\u2019ll get a warning:<\/p>\n

\"image00\"<\/a><\/p>\n

Relaxed upload criteria<\/h3>\n

If you\u2019ve developed and add-on for Chrome or Opera, we\u2019d like you to upload it to AMO. For this reason, we\u2019ve relaxed a few criteria around AMO. Once you\u2019ve verified that an add-on works correctly using about:debugging<\/a>, you should then be able to upload it to AMO quite easily. We\u2019ve hopefully made this easier through the following steps:<\/p>\n

Optional add-on id<\/h4>\n

If your WebExtension does not have an id specified in the manifest.json, then AMO will generate an id for your add-on and add it to the add-on signing process. You can then get the add-on id from AMO and re-use that in later API calls, if needed.<\/p>\n

The command line tool web-ext<\/a> also supports optional ids<\/a>.<\/p>\n

Uploads<\/h4>\n

AMO will now accept an add-on as a zip<\/code> file or a crx<\/code> file. It will still only emit xpi<\/code> files that Firefox and other Mozilla projects can consume. In the case of a crx<\/code> file, the extra data added by the Chrome store will be stripped out of the file.<\/p>\n

We recommend using a tool like web-ext<\/a> to generate the appropriate file for your add-on.<\/p>\n

Comments in the manifest file<\/h4>\n

Although comments are not valid in a JSON file, Chrome supports comments in the manifest.json file. To keep compatibility with Chrome, the addons-linter and hence AMO now support comments in the manifest file, but only comments starting with a double slash (\/\/).<\/p>\n

Translations<\/h3>\n

Finally, AMO now supports translations in the manifest. This again follows the Chrome standard, so that:<\/p>\n

\/\/in manifest.json:\r\n\"default_locale\": \"en\",\r\n\"name\": \"__MSG_appName__\",\r\n\r\n\/\/in _locales\/en\/messages.json:\r\n{\r\n  \"appName\": {\r\n    \"message\": \"My Add-on\",\r\n    \"description\": \"The name of the add-on.\"\r\n  }\r\n}\r\n\r\n\/\/in _locales\/de\/messages.json:\r\n{\r\n  \"appName\": {\r\n    \"message\": \"Mein Add-on\"\r\n  }\r\n}\r\n<\/pre>\n
The manifest will be parsed and the translations automatically entered into AMO. You need to ensure that default_locale<\/code> is set in the manifest for the localisations to be activated. On the first upload, AMO will process the translations:<\/p>\n
\"Screenshot<\/a><\/p>\n
If you\u2019d like to get involved then join our mailing list<\/a> or check out our repositories on Github<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
It’s been possible to submit WebExtensions add-ons to addons.mozilla.org (AMO) since February, but I wanted to take a moment to highlight some of the improvements we\u2019ve made since then that … Read more<\/a><\/p>\n","protected":false},"author":271,"featured_media":7560,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,278886],"tags":[],"yoast_head":"\nWebExtensions support on AMO - Mozilla Add-ons Community Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.mozilla.org\/addons\/2016\/07\/14\/webextensions-support-on-amo\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Andy McKay\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.mozilla.org\/addons\/2016\/07\/14\/webextensions-support-on-amo\/\",\"url\":\"https:\/\/blog.mozilla.org\/addons\/2016\/07\/14\/webextensions-support-on-amo\/\",\"name\":\"WebExtensions support on AMO - Mozilla Add-ons Community Blog\",\"isPartOf\":{\"@id\":\"https:\/\/blog.mozilla.org\/addons\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blog.mozilla.org\/addons\/2016\/07\/14\/webextensions-support-on-amo\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blog.mozilla.org\/addons\/2016\/07\/14\/webextensions-support-on-amo\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blog.mozilla.org\/addons\/files\/2015\/09\/foxface_puzzle.jpg\",\"datePublished\":\"2016-07-14T16:58:10+00:00\",\"dateModified\":\"2016-07-15T18:12:23+00:00\",\"author\":{\"@id\":\"https:\/\/blog.mozilla.org\/addons\/#\/schema\/person\/7e1881db0e8a23a4a06695f8a0efd6b8\"},\"breadcrumb\":{\"@id\":\"https:\/\/blog.mozilla.org\/addons\/2016\/07\/14\/webextensions-support-on-amo\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.mozilla.org\/addons\/2016\/07\/14\/webextensions-support-on-amo\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/blog.mozilla.org\/addons\/2016\/07\/14\/webextensions-support-on-amo\/#primaryimage\",\"url\":\"https:\/\/blog.mozilla.org\/addons\/files\/2015\/09\/foxface_puzzle.jpg\",\"contentUrl\":\"https:\/\/blog.mozilla.org\/addons\/files\/2015\/09\/foxface_puzzle.jpg\",\"width\":945,\"height\":922},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.mozilla.org\/addons\/2016\/07\/14\/webextensions-support-on-amo\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/blog.mozilla.org\/addons\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"WebExtensions support on AMO\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.mozilla.org\/addons\/#website\",\"url\":\"https:\/\/blog.mozilla.org\/addons\/\",\"name\":\"Mozilla Add-ons Community Blog\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.mozilla.org\/addons\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blog.mozilla.org\/addons\/#\/schema\/person\/7e1881db0e8a23a4a06695f8a0efd6b8\",\"name\":\"Andy McKay\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/blog.mozilla.org\/addons\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ad304e7a7d4f6fba05a81b10810fe6fd?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ad304e7a7d4f6fba05a81b10810fe6fd?s=96&d=mm&r=g\",\"caption\":\"Andy McKay\"},\"description\":\"Andy is an Engineering Manager at Mozilla. 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