{
  "api": {
    "ServiceWorker": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorker",
        "spec_url": "https://w3c.github.io/ServiceWorker/#serviceworker-interface",
        "tags": [
          "web-features:service-workers"
        ],
        "support": {
          "chrome": {
            "version_added": "40"
          },
          "chrome_android": "mirror",
          "edge": {
            "version_added": "17"
          },
          "firefox": {
            "version_added": "44"
          },
          "firefox_android": "mirror",
          "oculus": "mirror",
          "opera": "mirror",
          "opera_android": "mirror",
          "safari": {
            "version_added": "11.1"
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": {
            "version_added": false
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "ecmascript_modules": {
        "__compat": {
          "description": "Support for ECMAScript modules",
          "tags": [
            "web-features:js-modules-service-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "91"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "147"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "15",
              "notes": [
                "Nested workers support was introduced in Safari 15.5.",
                "Script loading in nested workers was introduced in Safari 16.4."
              ]
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "error_event": {
        "__compat": {
          "description": "`error` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorker/error_event",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#handler-abstractworker-onerror",
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "postMessage": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorker/postMessage",
          "spec_url": [
            "https://w3c.github.io/ServiceWorker/#dom-serviceworker-postmessage",
            "https://w3c.github.io/ServiceWorker/#dom-serviceworker-postmessage-message-options"
          ],
          "tags": [
            "web-features:service-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "scriptURL": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorker/scriptURL",
          "spec_url": "https://w3c.github.io/ServiceWorker/#service-worker-url",
          "tags": [
            "web-features:service-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "state": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorker/state",
          "spec_url": "https://w3c.github.io/ServiceWorker/#service-worker-state",
          "tags": [
            "web-features:service-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "statechange_event": {
        "__compat": {
          "description": "`statechange` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorker/statechange_event",
          "spec_url": "https://w3c.github.io/ServiceWorker/#dom-serviceworker-onstatechange",
          "tags": [
            "web-features:service-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}