1 files changed, 127 insertions, 0 deletions
diff --git a/node_modules/chrome-remote-interface/lib/devtools.js b/node_modules/chrome-remote-interface/lib/devtools.js
new file mode 100644
index 0000000..3975a00
--- /dev/null
+++ b/node_modules/chrome-remote-interface/lib/devtools.js
@@ -0,0 +1,127 @@
+'use strict';
+
+const http = require('http');
+const https = require('https');
+
+const defaults = require('./defaults.js');
+const externalRequest = require('./external-request.js');
+
+// options.path must be specified; callback(err, data)
+function devToolsInterface(path, options, callback) {
+    const transport = options.secure ? https : http;
+    const requestOptions = {
+        method: options.method,
+        host: options.host || defaults.HOST,
+        port: options.port || defaults.PORT,
+        useHostName: options.useHostName,
+        path: (options.alterPath ? options.alterPath(path) : path)
+    };
+    externalRequest(transport, requestOptions, callback);
+}
+
+// wrapper that allows to return a promise if the callback is omitted, it works
+// for DevTools methods
+function promisesWrapper(func) {
+    return (options, callback) => {
+        // options is an optional argument
+        if (typeof options === 'function') {
+            callback = options;
+            options = undefined;
+        }
+        options = options || {};
+        // just call the function otherwise wrap a promise around its execution
+        if (typeof callback === 'function') {
+            func(options, callback);
+            return undefined;
+        } else {
+            return new Promise((fulfill, reject) => {
+                func(options, (err, result) => {
+                    if (err) {
+                        reject(err);
+                    } else {
+                        fulfill(result);
+                    }
+                });
+            });
+        }
+    };
+}
+
+function Protocol(options, callback) {
+    // if the local protocol is requested
+    if (options.local) {
+        const localDescriptor = require('./protocol.json');
+        callback(null, localDescriptor);
+        return;
+    }
+    // try to fetch the protocol remotely
+    devToolsInterface('/json/protocol', options, (err, descriptor) => {
+        if (err) {
+            callback(err);
+        } else {
+            callback(null, JSON.parse(descriptor));
+        }
+    });
+}
+
+function List(options, callback) {
+    devToolsInterface('/json/list', options, (err, tabs) => {
+        if (err) {
+            callback(err);
+        } else {
+            callback(null, JSON.parse(tabs));
+        }
+    });
+}
+
+function New(options, callback) {
+    let path = '/json/new';
+    if (Object.prototype.hasOwnProperty.call(options, 'url')) {
+        path += `?${options.url}`;
+    }
+    options.method = options.method || 'PUT'; // see #497
+    devToolsInterface(path, options, (err, tab) => {
+        if (err) {
+            callback(err);
+        } else {
+            callback(null, JSON.parse(tab));
+        }
+    });
+}
+
+function Activate(options, callback) {
+    devToolsInterface('/json/activate/' + options.id, options, (err) => {
+        if (err) {
+            callback(err);
+        } else {
+            callback(null);
+        }
+    });
+}
+
+function Close(options, callback) {
+    devToolsInterface('/json/close/' + options.id, options, (err) => {
+        if (err) {
+            callback(err);
+        } else {
+            callback(null);
+        }
+    });
+}
+
+function Version(options, callback) {
+    devToolsInterface('/json/version', options, (err, versionInfo) => {
+        if (err) {
+            callback(err);
+        } else {
+            callback(null, JSON.parse(versionInfo));
+        }
+    });
+}
+
+module.exports.Protocol = promisesWrapper(Protocol);
+module.exports.List = promisesWrapper(List);
+module.exports.New = promisesWrapper(New);
+module.exports.Activate = promisesWrapper(Activate);
+module.exports.Close = promisesWrapper(Close);
+module.exports.Version = promisesWrapper(Version);