Added the host.ci property to the toJSON() method

Author: JamesMessinger

src/host.ts

@@ -65,6 +65,7 @@ export interface HostJSON {
   global: string;
   os: OSInfo;
   env: EnvironmentVariables;
+  ci: false | CIInfo;
   node: false | NodeInfo;
   browser: false | Browsers;
 }

src/to-json.ts

@@ -10,6 +10,7 @@ export function toJSON(this: Host): HostJSON {
     global: Object.prototype.toString.call(this.global),
     os: this.os,
     env: this.env,
+    ci: this.ci,
     node: this.node,
     browser: this.browser,
   };

test/specs/to-json.spec.js

@@ -20,6 +20,7 @@ describe("host.toJSON()", () => {
       "global",
       "os",
       "env",
+      "ci",
       "browser",
       "node",
     ]);
@@ -41,6 +42,7 @@ describe("host.toJSON()", () => {
     let result = host.toJSON();
     expect(result.os).to.deep.equal(host.os);
     expect(result.env).to.deep.equal(host.env);
+    expect(result.ci).to.deep.equal(host.ci);
     expect(result.browser).to.deep.equal(host.browser);
     expect(result.node).to.deep.equal(host.node);
   });