externally_connectable

Experimental: 这是 实验性技术
检查 浏览器兼容性表格 要小心谨慎在生产中使用这之前。

类型 对象
Mandatory No
范例
"externally_connectable": {
  // List of extension IDs that extension wishes to communicate with
  // If "browser_action" is specified but "browser_action.ids" is not,
  // no extensions can communicate with this extension.
  // To match all extension IDs use "*".
  "ids": [
    "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
    "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
    "cccccccccccccccccccccccccccccccc"
  ],
  // Regular expression patterns specifying web pages
  // If "matches" is not specified, no web pages can communicate with
  // this extension
  "matches": [
    "https://example1.com/*",
    "*://*.example2.com/*"
  ]
}
											

Externally connectable allows extension developer to control which other extensions and web pages can communicate with this extension via runtime.connect() and runtime.sendMessage()  message passing. If externally_connectable is not specified, all extensions can communicate with each other but not with web pages.

"ids" attribute

ids enables communication between this extension and other installed extensions specified by extension identifiers. Use the pattern "*" if you wish to communicate with all extensions.

"matches" attribute

匹配  enables communication between this extension and the web pages. This is a list of regular expressions for page URLs that you wish to communicate with.

注意: browser_action is not specified, communication among extensions is still allowed as if browser_action was  {"ids": ["*"] } , therefore if you specify browser_action.matches  don't forget to add ids if you still want to communicate with other extensions.

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