update

node_modules/browser-sync-ui/lib/resolve-plugins.js

@@ -0,0 +1,117 @@
+var fs          = require("fs");
+var path        = require("path");
+var Immutable   = require("immutable");
+
+/**
+ * Take Browsersync plugins and determine if
+ * any UI is provided by looking at data in the the
+ * modules package.json file
+ * @param plugins
+ * @returns {*}
+ */
+module.exports = function (plugins) {
+    return require("immutable")
+        .fromJS(plugins)
+        /**
+         * Exclude the UI
+         */
+        .filter(function (plugin) {
+            return plugin.get("name") !== "UI";
+        })
+        /**
+         * Attempt to retrieve a plugins package.json file
+         */
+        .map(function (plugin) {
+
+            var moduleName = plugin.getIn(["opts", "moduleName"]);
+            var pkg = {};
+
+            if (!moduleName) {
+                return plugin;
+            }
+
+            try {
+                pkg = require("immutable").fromJS(require(path.join(moduleName, "package.json")));
+            } catch (e) {
+                console.error(e);
+                return plugin;
+            }
+
+            plugin = plugin.set("pkg", pkg);
+
+            return plugin.set("relpath", path.dirname(require.resolve(moduleName)));
+        })
+        /**
+         * Try to load markup for each plugin
+         */
+        .map(function (plugin) {
+
+            if (!plugin.hasIn(["pkg", "browser-sync:ui"])) {
+                return plugin;
+            }
+
+            var markup    = plugin.getIn(["pkg", "browser-sync:ui", "hooks", "markup"]);
+
+            if (markup) {
+                plugin = plugin.set("markup", fs.readFileSync(path.resolve(plugin.get("relpath"), markup), "utf8"));
+            }
+
+            return plugin;
+        })
+        /**
+         * Load any template files for the plugin
+         */
+        .map(function (plugin) {
+
+            if (!plugin.hasIn(["pkg", "browser-sync:ui"])) {
+                return plugin;
+            }
+
+            return resolveIfPluginHas(["pkg", "browser-sync:ui", "hooks", "templates"], "templates", plugin);
+        })
+        /**
+         * Try to load Client JS for each plugin
+         */
+        .map(function (plugin) {
+
+            if (!plugin.hasIn(["pkg", "browser-sync:ui"])) {
+                return plugin;
+            }
+
+            return resolveIfPluginHas(["pkg", "browser-sync:ui", "hooks", "client:js"], "client:js", plugin);
+        });
+};
+
+/**
+ * If a plugin contains this option path, resolve/read the files
+ * @param {Array} optPath - How to access the collection
+ * @param {String} propName - Key for property access
+ * @param {Immutable.Map} plugin
+ * @returns {*}
+ */
+function resolveIfPluginHas(optPath, propName, plugin) {
+    var opt = plugin.getIn(optPath);
+    if (opt.size) {
+        return plugin.set(
+            propName,
+            resolvePluginFiles(opt, plugin.get("relpath"))
+        );
+    }
+    return plugin;
+}
+
+/**
+ * Read & store a file from a plugin
+ * @param {Array|Immutable.List} collection
+ * @param {String} relPath
+ * @returns {any}
+ */
+function resolvePluginFiles (collection, relPath) {
+    return Immutable.fromJS(collection.reduce(function (all, item) {
+        var full = path.join(relPath, item);
+        if (fs.existsSync(full)) {
+            all[full] = fs.readFileSync(full, "utf8");
+        }
+        return all;
+    }, {}));
+}