/HoloWebViewBridge

A bridge for sending messages between Swift and JavaScript in WKWebView.

Primary LanguageSwiftMIT LicenseMIT

HoloWebViewBridge

CI Status Version License Platform

Example

To run the example project, clone the repo, and run pod install from the Example directory first.

Usage

Type 1

1, Inject function

let webView = WKWebView()
webView.holo.inject(function: "window.bridge.log") { (args) in
    print(args ?? "")
}

2, Call function in JS

window.bridge.log("hello world")

Type 2

1, Inject plugin

let webView = WKWebView()
webView.holo.inject(plugin: WebViewLogPlugin())

2, Define plugin by WebViewPluginProtocol

class WebViewLogPlugin: WebViewPluginProtocol {

    func log(_ msg: Any) {
        print(msg)
    }
    
    // MARK: - WebViewPluginProtocol
    var identifier: String {
        return "holo.webView.bridge.log"
    }
    
    var javascript: String {
        return """
        window.bridge.log = function(msg) {
            window.bridge.js_msgSend("holo.webView.bridge.log", "log()", msg)
        }
        """
    }
    
    func didReceiveMessage(_ fun: String, args: Any?) {
        if fun == "log()" {
            self.log(msg ?? "")
        }
    }
}

3, Call function in JS

window.bridge.log("hello world")

Note that if your JS methods are complex, you can also define the JS method in a .js file and return the contents of the file in the var javascript: String { get } protocol method, like WebViewAlertPlugin.swift & alert.js.

Installation

HoloWebViewBridge is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod 'HoloWebViewBridge'

Thanks

OCTWebViewBridge

Author

gonghonglou, gonghonglou@icloud.com

License

HoloWebViewBridge is available under the MIT license. See the LICENSE file for more info.