feature(vim) add find support with: "/", "n" and "N"

HELP.md

@@ -191,6 +191,9 @@ When `--vim` option provided, or configuration parameter `vim` set, next hot key
 | `y`                   | copy (selected in visual mode files)
 | `p`                   | paste files
 | `Esc`                 | unselect all
+| `/`                   | find file in current directory
+| `n`                   | navigate to next found file
+| `N`                   | navigate to previous found file
 
 Commands can be joined, for example:
 - `5j` will navigate `5` files below current;

client/key/vim/find.js

@@ -0,0 +1,53 @@
+'use strict';
+/* global DOM */
+
+const fullstore = require('fullstore');
+const limier = require('limier');
+const Info = DOM.CurrentInfo;
+
+const searchStore = fullstore([]);
+const searchIndex = fullstore(0);
+
+module.exports.find = (value) => {
+    const names = Info.files.map(DOM.getCurrentName);
+    const result = limier(value, names);
+    
+    searchStore(result);
+    searchIndex(0);
+    
+    DOM.setCurrentByName(result[0]);
+};
+
+module.exports.findNext = () => {
+    const names = searchStore();
+    const index = next(searchIndex(), names.length);
+    
+    searchIndex(index);
+    DOM.setCurrentByName(names[searchIndex()]);
+};
+
+module.exports.findPrevious = () => {
+    const names = searchStore();
+    const index = previous(searchIndex(), names.length);
+    
+    searchIndex(index);
+    DOM.setCurrentByName(names[index]);
+};
+
+module.exports._next = next;
+module.exports._previous = previous;
+
+function next(index, length) {
+    if (index === length - 1)
+        return 0;
+    
+    return ++index;
+}
+
+function previous(index, length) {
+    if (!index)
+        return length - 1;
+    
+    return --index;
+}
+

client/key/vim/index.js

@@ -1,12 +1,20 @@
 'use strict';
 /* global CloudCmd, DOM */
 
+const KEY = require('../key');
 const Info = DOM.CurrentInfo;
-const KEY = require('./key');
+const Dialog = DOM.Dialog;
 
 const fullstore = require('fullstore/legacy');
 const store = fullstore('');
 const visual = fullstore(false);
+const {
+    find,
+    findNext,
+    findPrevious,
+} = require('./find');
+
+const TITLE = 'Cloud Commander';
 
 const stopVisual = () => {
     visual(false);
@@ -104,6 +112,25 @@ module.exports = (key, event) => {
         
         return end();
     }
+    
+    if (key === '/') {
+        event.preventDefault();
+        
+        Dialog.prompt(TITLE, 'Find', '', {cancel: false})
+            .then(find);
+       
+        return end();
+    }
+    
+    if (key === 'n') {
+        findNext();
+        return end();
+    }
+    
+    if (key === 'N') {
+        findPrevious();
+        return end();
+    }
 };
 
 module.exports.selectFile = selectFile;

package.json

@@ -202,7 +202,8 @@
     "version-io": "^2.0.1",
     "webpack": "^3.0.0",
     "wraptile": "^1.0.0",
-    "yaspeller": "^4.0.0"
+    "yaspeller": "^4.0.0",
+    "limier": "^1.0.1"
   },
   "engines": {
     "node": ">=4.0.0"

test/client/key/vim/find.js

@@ -0,0 +1,79 @@
+'use strict';
+
+const test = require('tape');
+const diff = require('sinon-called-with-diff');
+const sinon = diff(require('sinon'));
+const dir = '../../../../client/key/vim/';
+
+const {
+    getDOM,
+    getCloudCmd,
+} = require('./globals');
+
+global.DOM = global.DOM || getDOM();
+global.CloudCmd = global.CloudCmd || getCloudCmd();
+
+const DOM = global.DOM
+const CloudCmd = global.CloudCmd;
+
+const {
+    find,
+    findNext,
+    findPrevious,
+    _next,
+    _previous,
+} = require(dir + 'find');
+
+test('cloudcmd: client: vim: find', (t) => {
+    const setCurrentByName = sinon.stub();
+    DOM.setCurrentByName = setCurrentByName;
+    DOM.Dialog.prompt = Promise.resolve.bind(Promise);
+    
+    find('');
+    
+    t.ok(setCurrentByName.calledWith(), 'should call setCurrentByName');
+    t.end();
+});
+
+test('cloudcmd: client: vim: findNext', (t) => {
+    const setCurrentByName = sinon.stub();
+    DOM.setCurrentByName = setCurrentByName;
+    
+    findNext();
+    
+    t.ok(setCurrentByName.calledWith(), 'should call setCurrentByName');
+    t.end();
+});
+
+test('cloudcmd: client: vim: findPrevious', (t) => {
+    const setCurrentByName = sinon.stub();
+    DOM.setCurrentByName = setCurrentByName;
+    
+    findPrevious();
+    
+    t.ok(setCurrentByName.calledWith(), 'should call setCurrentByName');
+    t.end();
+});
+
+test('cloudcmd: client: vim: _next', (t) => {
+    const result = _next(1, 2)
+    
+    t.notOk(result, 'should return 0');
+    t.end();
+});
+
+test('cloudcmd: client: vim: _previous', (t) => {
+    const result = _previous(0, 2)
+    
+    t.equal(result, 1, 'should return 1');
+    t.end();
+});
+
+function clean(path) {
+    delete require.cache[require.resolve(path)];
+}
+
+function stub(name, fn) {
+    require.cache[require.resolve(name)].exports = fn;
+}
+

test/client/key/vim/globals.js

@@ -0,0 +1,43 @@
+'use strict';
+
+module.exports.getDOM = () => {
+    const resolve = Promise.resolve.bind(Promise);
+    const CurrentInfo = {
+        element: {},
+        files: [],
+    };
+    
+    const noop = () => {};
+    const Buffer = {
+        copy: noop,
+        paste: noop,
+    };
+    
+    const Dialog = {
+        prompt: resolve
+    };
+    
+    return {
+        Buffer,
+        CurrentInfo,
+        Dialog,
+        selectFile: noop,
+        unselectFile: noop,
+        unselectFiles: noop,
+        setCurrentFile: noop,
+        getCurrentName: noop,
+        setCurrentByName: noop,
+        toggleSelectedFile: noop,
+    };
+};
+
+module.exports.getCloudCmd = () => {
+    const show = () => {};
+    
+    return {
+        Operation:  {
+            show
+        }
+    };
+};
+

test/client/key/vim/index.js

@@ -3,10 +3,16 @@
 const test = require('tape');
 const diff = require('sinon-called-with-diff');
 const sinon = diff(require('sinon'));
-const dir = '../../../client/key/';
+const dir = '../../../../client/key/';
 const KEY = require(dir + 'key');
 
-initGlobals();
+const {
+    getDOM,
+    getCloudCmd,
+} = require('./globals');
+
+global.DOM = global.DOM || getDOM();
+global.CloudCmd = global.CloudCmd || getCloudCmd();
 
 const DOM = global.DOM;
 const Buffer = DOM.Buffer;
@@ -349,8 +355,8 @@ test('cloudcmd: client: key: Enter', (t) => {
     
     const setCurrentFile = sinon.stub();
     
-    global.DOM.CurrentInfo.element = element;
-    global.DOM.setCurrentFile = setCurrentFile;
+    DOM.CurrentInfo.element = element;
+    DOM.setCurrentFile = setCurrentFile;
     
     vim('', {
         keyCode: KEY.ENTER
@@ -363,32 +369,60 @@ test('cloudcmd: client: key: Enter', (t) => {
     t.end();
 });
 
-function initGlobals() {
-    const CurrentInfo = {
-        element: {},
-    };
+test('cloudcmd: client: key: /', (t) => {
+    const preventDefault = sinon.stub();
+    const element = {};
     
-    const noop = () => {};
-    const Buffer = {
-        copy: noop,
-    };
+    DOM.CurrentInfo.element = element;
+    DOM.getCurrentName = () => '';
     
-    global.DOM = {
-        Buffer,
-        CurrentInfo,
-        selectFile: noop,
-        unselectFile: noop,
-        unselectFiles: noop,
-        setCurrentFile: noop,
-        toggleSelectedFile: noop,
-    };
+    vim('/', {
+        preventDefault
+    });
     
-    const show = () => {};
+    t.ok(preventDefault.calledWith(), 'should call preventDefault');
+    t.end();
+});
+
+test('cloudcmd: client: key: n', (t) => {
+    const findNext = sinon.stub();
     
-    global.CloudCmd = {
-        Operation:  {
-            show
-        }
-    };
+    clean(dir + 'vim');
+    stub(dir + 'vim/find', {
+        findNext
+    });
+    
+    const vim = require(dir + 'vim');
+    const event = {};
+    
+    vim('n', event);
+    
+    t.ok(findNext.calledWith(), 'should call findNext');
+    t.end();
+});
+
+test('cloudcmd: client: key: N', (t) => {
+    const findPrevious = sinon.stub();
+    
+    clean(dir + 'vim');
+    stub(dir + 'vim/find', {
+        findPrevious,
+    });
+    
+    const vim = require(dir + 'vim');
+    const event = {};
+    
+    vim('N', event);
+    
+    t.ok(findPrevious.calledWith(), 'should call findPrevious');
+    t.end();
+});
+
+function clean(path) {
+    delete require.cache[require.resolve(path)];
+}
+
+function stub(name, fn) {
+    require.cache[require.resolve(name)].exports = fn;
 }