load settiongs from form

src/shared/settings/values.js

@@ -0,0 +1,35 @@
+const operationFromName = (name) => {
+  let [type, argStr] = name.split('?');
+  let args = {};
+  if (argStr) {
+    args = JSON.parse(argStr);
+  }
+  return Object.assign({ type }, args);
+};
+
+const fromJson = (json) => {
+  return JSON.parse(json);
+};
+
+const fromForm = (form) => {
+  let keymaps = {};
+  for (let name of Object.keys(form.keymaps)) {
+    let keys = form.keymaps[name];
+    keymaps[keys] = operationFromName(name);
+  }
+
+  let engines = {};
+  for (let { name, url } of form.search.engines) {
+    engines[name] = url;
+  }
+  let search = {
+    default: form.search.default,
+    engines,
+  };
+
+  let blacklist = form.blacklist;
+
+  return { keymaps, search, blacklist };
+};
+
+export { fromJson, fromForm };