fix(dom) bug in Firefox with Imagus extension enabled: change getCurrentName to read from data-name instead of title (#313)

Separated out name generation/parsing logic.
Added test case.

client/dom/current-file.js

@@ -1,9 +1,14 @@
+/**
+ * Parse a `data-name` attribute string back into the original filename
+ * @param attribute The string we wish to decode
+ */
+
 'use strict';
 
 /* global DOM */
 /* global CloudCmd */
 
-const btoa = require('../../common/btoa');
+const {atob, btoa} = require('../../common/base64');
 const createElement = require('@cloudcmd/create-element');
 
 const {
@@ -41,7 +46,7 @@ module.exports.setCurrentName = (name, current) => {
     link.href = dir + encoded;
     link.innerHTML = encoded;
     
-    current.setAttribute('data-name', 'js-file-' + btoa(encodeURI(name)));
+    current.setAttribute('data-name', createNameAttribute(name));
     CloudCmd.emit('current-file', current);
     
     return link;
@@ -58,13 +63,25 @@ module.exports.getCurrentName = (currentFile) => {
     if (!current)
         return '';
     
-    const link = DOM.getCurrentLink(current);
-    
-    if (!link)
-        return '';
-    
-    return decode(link.title)
-        .replace(NBSP_REG, SPACE);
+    return parseNameAttribute(current.getAttribute('data-name'));
+};
+
+/**
+ * Generate a `data-name` attribute for the given filename
+ * @param name The string name to encode
+ */
+const createNameAttribute = (name) => {
+    const encoded = btoa(encodeURI(name));
+    return `js-file-${encoded}`;
+};
+
+/**
+ * Parse a `data-name` attribute string back into the original filename
+ * @param attribute The string we wish to decode
+ */
+const parseNameAttribute = (attribute) => {
+    attribute = attribute.replace('js-file-', '');
+    return decodeURI(atob(attribute));
 };
 
 /**

client/dom/current-file.spec.js

@@ -54,6 +54,16 @@ test('current-file: setCurrentName: setAttribute: cyrillic', (t) => {
     t.end();
 });
 
+test('current-file: getCurrentName', (t) => {
+    const current = create();
+    current.getAttribute.returns('js-file-Ymlu');
+    
+    const result = currentFile.getCurrentName(current);
+    
+    t.equal(result, 'bin');
+    t.end();
+});
+
 test('current-file: emit', (t) => {
     const {
         DOM,

common/base64.js

@@ -0,0 +1,20 @@
+'use strict';
+
+module.exports.btoa = (str) => {
+    if (typeof btoa === 'function')
+        return btoa(str);
+    
+    return Buffer
+        .from(str)
+        .toString('base64');
+};
+
+module.exports.atob = (str) => {
+    if (typeof atob === 'function')
+        return atob(str);
+    
+    return Buffer
+        .from(str, 'base64')
+        .toString('binary');
+};
+

common/base64.spec.js

@@ -3,7 +3,7 @@
 const test = require('supertape');
 const stub = require('@cloudcmd/stub');
 
-const btoa = require('../../common/btoa');
+const {btoa, atob} = require('./base64');
 
 test('btoa: browser', (t) => {
     const btoaOriginal = global.btoa;
@@ -29,3 +29,27 @@ test('btoa: node', (t) => {
     t.end();
 });
 
+test('atob: browser', (t) => {
+    const atobOriginal = global.atob;
+    const str = 'hello';
+    
+    global.atob = stub();
+    
+    atob(str);
+    
+    t.calledWith(global.atob, [str], 'should call global.btoa');
+    t.end();
+    
+    global.atob = atobOriginal;
+});
+
+test('atob: node', (t) => {
+    const str = 'aGVsbG8=';
+    const expected = 'hello';
+    
+    const result = atob(str);
+    
+    t.equal(result, expected, 'should encode base64');
+    t.end();
+});
+

common/btoa.js

@@ -1,11 +0,0 @@
-'use strict';
-
-module.exports = (str) => {
-    if (typeof btoa === 'function')
-        return btoa(str);
-    
-    return Buffer
-        .from(str)
-        .toString('base64');
-};
-

common/cloudfunc.js

@@ -4,7 +4,7 @@ const rendy = require('rendy');
 const currify = require('currify');
 const store = require('fullstore');
 const {encode} = require('./entity');
-const btoa = require('./btoa');
+const {btoa} = require('./base64');
 
 const getHeaderField = currify(_getHeaderField);
 
@@ -177,7 +177,7 @@ module.exports.buildFromJSON = (params) => {
             name: '..',
         });
         
-        const dataName = 'data-name="js-file-.." ';
+        const dataName = getDataName('..');
         const attribute = 'draggable="true" ' + dataName;
         
         /* Сохраняем путь к каталогу верхнего уровня*/

common/cloudfunc.spec.js

@@ -5,14 +5,50 @@ const {readFileSync} = require('fs');
 
 const test = require('supertape');
 const montag = require('montag');
+const cheerio = require('cheerio');
 
-const {_getSize, getPathLink} = require('./cloudfunc');
+const {
+    _getSize,
+    getPathLink,
+    buildFromJSON,
+} = require('./cloudfunc');
 
 const templatePath = join(__dirname, '../tmpl/fs');
 const template = {
     pathLink: readFileSync(`${templatePath}/pathLink.hbs`, 'utf8'),
+    path: readFileSync(`${templatePath}/path.hbs`, 'utf8'),
+    file: readFileSync(`${templatePath}/file.hbs`, 'utf8'),
+    link: readFileSync(`${templatePath}/link.hbs`, 'utf8'),
 };
 
+test('cloudfunc: buildFromJSON: ..', (t) => {
+    const data = {
+        path: '/media/',
+        files: [{
+            date: '30.08.2016',
+            mode: 'rwx rwx rwx',
+            name: 'floppy',
+            owner: 'root',
+            size: '7b',
+            type: 'directory-link',
+        }],
+    };
+    
+    const html = buildFromJSON({
+        prefix: '',
+        template,
+        data,
+    });
+    
+    const $ = cheerio.load(html);
+    const el = $('[data-name="js-file-Li4="]');
+    const result = el.find('[data-name="js-name"]').text();
+    const expected = '..';
+    
+    t.equal(result, expected);
+    t.end();
+});
+
 test('cloudfunc: getPathLink: /', (t) => {
     const {pathLink} = template;
     const result = getPathLink('/', '', pathLink);

package.json

@@ -188,6 +188,7 @@
     "auto-globals": "^2.0.0",
     "babel-loader": "^8.0.0",
     "babel-plugin-macros": "^3.0.0",
+    "cheerio": "^1.0.0-rc.5",
     "clean-css-loader": "^2.0.0",
     "codegen.macro": "^4.0.0",
     "coveralls": "^3.0.0",

test/common/cloudfunc.html

@@ -5,7 +5,7 @@
     <span data-name="js-date" class="date reduce-text">date</span>
     <span data-name="js-owner" class="owner reduce-text">owner</span>
     <span data-name="js-mode" class="mode reduce-text">mode</span>
-</div><ul data-name="js-files" class="files"><li draggable="true" data-name="js-file-.." class="">
+</div><ul data-name="js-files" class="files"><li draggable="true" data-name="js-file-Li4=" class="">
     <span data-name="js-type" class="mini-icon directory"></span>
     <span data-name="js-name" class="name reduce-text"><a href="/fs/etc" title=".." draggable="true">..</a></span>
     <span data-name="js-size" class="size reduce-text">&lt;dir&gt;</span>