{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "http://schemas.microsoft.com/browser/2014/manifest#",
  "title": "Microsoft Edge Extension JSON Manifest Schema",
  "description": "Schema describing the manifest of Microsoft Edge extensions",
  "type": "object",
  "properties": {
    "name": {
      "description": "Name of the extension",
      "type": "string",
      "minLength": 3,
      "maxLength": 256
    },
    "version": {
      "description": "Version of the extension, consisting of one to four digits separated by periods. Ex: 12, 12.12, 12.12.12, 12.12.12.12",
      "type": "string",
      "pattern": "^(0|[1-9][0-9]{0,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])(\\.(0|[1-9][0-9]{0,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])){0,3}$"
    },
    "default_locale": {
      "description": "Default locale of the extension if a _locales folder exists",
      "type": "string"
    },
    "description": {
      "description": "Description of the extension",
      "type": "string",
      "pattern": "[^\\x01-\\x1f]+",
      "maxLength": 2048
    },
    "icons": {
      "description": "General logos or icons for the extension",
      "type": "object",
      "allOf": [
        {
          "$ref": "#/definitions/icon-object"
        }
      ]
    },
    "content_security_policy": {
      "description": "Content security policy rules",
      "type": "string",
      "default": "script-src 'self'; object-src 'self"
    },
    "browser_action": {
      "description": "Button added to the frame for the extension",
      "type": "object",
      "allOf": [
        { "$ref": "#/definitions/action" }
      ]
    },
    "page_action": {
      "description": "Button added to the address bar for the extension",
      "type": "object",
      "allOf": [
        { "$ref": "#/definitions/action" }
      ]
    },
    "author": {
      "description": "Author or publisher of the extension",
      "type": "string",
      "minLength": 1,
      "maxLength": 256
    },
    "background": {
      "description": "Page created without UI to process events and background tasks",
      "type": "object",
      "properties": {
        "persistent": {
          "description": "True to run as a persisitent background page and false to run as an event page",
          "type": "boolean"
        },
        "page": { },
        "scripts": { }
      },
      "oneOf": [
        { "$ref": "#/definitions/background-page" },
        { "$ref": "#/definitions/background-scripts" }
      ],
      "required": ["persistent"],
      "additionalProperties": false
    },
    "content_scripts": {
      "description": "Specify scripts to run within visited web pages",
      "type": "array",
      "items": {
        "allOf": [
          { "$ref": "#/definitions/content_scripts-instance" }
        ]
      },
      "minItems": 1
    },
    "options_page": {
      "description": "Settings page for the extension",
      "type": "string"
    },
    "permissions": {
      "description": "Requested APIs and web host matching strings required by the extension",
      "type": "array",
      "items": {
        "anyOf": [
          { "$ref": "#/definitions/permissions-schema" },
          { "$ref": "#/definitions/permissions-required" },
          { "$ref": "#/definitions/permissions-optional" },
          {
            "description": "Compatability string",
            "type": "string",
            "pattern": "^((chrome\\://.*)|([a-zA-Z_.]+))$"
          }
        ]
      },
      "minItems": 1
    },
    "short_name": {
      "description": "Short name for the extension to be used in places where the full name would not fit",
      "type": "string",
      "minLength": 1,
      "maxLength": 40
    },
    "web_accessible_resources": {
      "description": "Extension resources that need to be accessible at runtime",
      "type": "array",
      "items": {
        "type": "string"
      },
      "minItems": 1
    },
    "minimum_edge_version": {
      "description": "Minimum Microsoft Edge version required to load the extension, consisting of four digits separated by periods. Ex: 12.12.12.12",
      "type": "string",
      "pattern": "^(0|[1-9][0-9]{0,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])(\\.(0|[1-9][0-9]{0,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])){3}$"
    },
    "-ms-preload": {
      "description": "Specify scripts to prep the context prior to any scripts being run. Ex: background, content_scripts",
      "type": "object",
      "properties": {
        "backgroundScript": {
          "description": "Script that will be loaded to prep the background context prior to running any scripts or html specified in the 'background' field",
          "type": "string"
        },
        "contentScript": {
          "description": "Script that will be loaded to prep each context context prior to running any scripts specified in the 'content_scripts' field",
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "browser_specific_settings": {
      "description": "W3C standard for including settings specific to certain browsers",
      "type": "object",
      "properties": {
        "edge": {
          "type": "object",
          "properties": {
            "browser_action_next_to_addressbar": {
              "type": "boolean",
              "description": "Allow trusted extensions to be placed next to the address bar by default"
            }
          }
        }
      }
    }
  },
  "definitions": {
    "action": {
      "type": "object",
      "properties": {
        "default_icon": {
          "description": "Icon or icon set displayed for the action",
          "type": "object",
          "allOf": [
            {
              "$ref": "#/definitions/icon-object"
            }
          ]
        },
        "default_title": {
          "description": "Title given for the action",
          "type": "string"
        },
        "default_popup": {
          "description": "Popup displayed when the user invokes the action",
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "background-page": {
      "properties": {
        "page": {
          "description": "Webpage to load into the background page when the extension is started",
          "type": "string"
        }
      },
      "required": [ "page" ]
    },
    "background-scripts": {
      "properties": {
        "scripts": {
          "description": "List of scripts to load into the background page when the extension is started",
          "type": "array",
          "items": {
            "description": "Script to load into the background page of the extension",
            "type": "string"
          },
          "minItems": 1
        }
      },
      "required": [ "scripts" ]
    },
    "content_scripts-instance": {
      "type": "object",
      "properties": {
        "matches": {
          "description": "Inclusive array of web host matching strings",
          "type": "array",
          "items": {
            "$ref": "#/definitions/host-matchPattern"
          },
          "minItems": 1
        },
        "exclude_matches": {
          "description": "Exclusive array of web host matching strings",
          "type": "array",
          "items": {
            "$ref": "#/definitions/host-matchPattern"
          },
          "minItems": 1
        },
        "match_about_blank": {
          "description": "Whether to run content scripts on about:blank",
          "type": "boolean",
          "default": false
        },
        "css": {
          "description": "CSS files to load into web pages",
          "type": "array",
          "items": {
            "type": "string"
          },
          "minItems": 1
        },
        "js": {
          "description": "JavaScript files to load into web pages",
          "type": "array",
          "items": {
            "type": "string"
          },
          "minItems": 1
        },
        "run_at": {
          "description": "Location to load content script assets in web pages",
          "enum": [ "document_start", "document_end", "document_idle" ],
          "default": "document_idle"
        },
        "all_frames": {
          "type": "boolean",
          "default": false
        },
        "include_globs": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "minItems": 1
        },
        "exclude_globs": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "minItems": 1
        }
      },
      "required": [ "matches" ]
    },
    "host-matchPattern": {
      "type": "string",
      "description": "Pattern to match a host",
      "pattern": "^<all_urls>|(\\*|https?|ftp|file)\\:///?(\\*|(\\*\\.)?[^*/]+)(/.*)?$"
    },
    "icon-object": {
      "type": "object",
      "patternProperties": {
        "^(0|[1-9][0-9]{0,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$": {
          "description": "Pixel size of the square image and relative path to the icon file",
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "permissions-schema": {
      "$ref": "#/definitions/host-matchPattern"
    },
    "permissions-optional": {
      "enum": [
        "contextMenus",
        "cookies",
        "idle",
        "tabs",
        "webNavigation",
        "webRequest"
      ]
    },
    "permissions-required": {
      "enum": [
        "geolocation",
        "storage"
      ]
    }
  },
  "allOf": [
    {
      "description": "Properties 'browser_action' and 'page_action' cannot co-exist",
      "dependencies": {
        "browser_action": { "not": { "required": [ "page_action" ] } }
      }
    },
    {
      "description": "The WebRequest APIs are unavailable for event pages",
      "dependencies": {
        "background": {
          "anyOf": [
            {
              "properties": {
                "background": {
                  "properties": {
                    "persistent": {
                      "not": { "enum": [ false ] }
                    }
                  }
                }
              }
            },
            {
              "properties": {
                "permissions": {
                  "items": {
                    "not": {
                      "enum": [
                        "webRequest"
                      ]
                    }
                  }
                },
                "optional_permissions": {
                  "items": {
                    "not": {
                      "enum": [
                        "webRequest"
                      ]
                    }
                  }
                }
              }
            }
          ]
        }
      }
    }
  ],
  "additionalProperties": true,
  "required": [ "name", "version", "author" ]
}