Merge pull request #7774 from timvandermeij/lint

Improve lint coverage and correct code style violations

.jshintignore

@@ -3,16 +3,13 @@ l10n/
 docs/
 node_modules/
 examples/
+external/bcmaps/
 external/webL10n/
-external/shelljs/
-external/jpgjs/
-external/jasmine/
 external/cmapscompress/
-external/importL10n/
 external/builder/fixtures_esprima/
-shared/
 test/tmp/
 test/features/
+test/pdfs/
 test/resources/
 test/font/*_spec.js
 *~/

external/importL10n/locales.js

@@ -66,7 +66,7 @@ function downloadLanguageFiles(root, langCode, callback) {
     var request = https.get(url, function(response) {
       var content = '';
       response.setEncoding('utf8');
-      response.on("data", function(chunk) {
+      response.on('data', function(chunk) {
         content += chunk;
       });
       response.on('end', function() {
@@ -75,7 +75,7 @@ function downloadLanguageFiles(root, langCode, callback) {
         if (downloadsLeft === 0) {
           callback();
         }
-      })
+      });
     });
   });
 }

src/core/colorspace.js

@@ -1000,7 +1000,7 @@ var CalRGBCS = (function CalRGBCSClosure() {
 
   function sRGBTransferFunction(color) {
     // See http://en.wikipedia.org/wiki/SRGB.
-    if (color <= 0.0031308){
+    if (color <= 0.0031308) {
       return adjustToRange(0, 1, 12.92 * color);
     }
 

src/core/crypto.js

@@ -498,8 +498,7 @@ var calculateSHA512 = (function calculateSHA512Closure() {
       h5 = new Word64(0x9b05688c, 0x2b3e6c1f);
       h6 = new Word64(0x1f83d9ab, 0xfb41bd6b);
       h7 = new Word64(0x5be0cd19, 0x137e2179);
-    }
+    } else {
-    else {
       // SHA384 is exactly the same
       // except with different starting values and a trimmed result
       h0 = new Word64(0xcbbb9d5d, 0xc1059ed8);
@@ -618,8 +617,7 @@ var calculateSHA512 = (function calculateSHA512Closure() {
       h5.copyTo(result,40);
       h6.copyTo(result,48);
       h7.copyTo(result,56);
-    }
+    } else {
-    else {
       result = new Uint8Array(48);
       h0.copyTo(result,0);
       h1.copyTo(result,8);
@@ -1651,11 +1649,9 @@ var PDF20 = (function PDF20Closure() {
       }
       if (remainder === 0) {
         k = calculateSHA256(e, 0, e.length);
-      }
+      } else if (remainder === 1) {
-      else if (remainder === 1) {
         k = calculateSHA384(e, 0, e.length);
-      }
+      } else if (remainder === 2) {
-      else if (remainder === 2) {
         k = calculateSHA512(e, 0, e.length);
       }
       i++;
@@ -1977,8 +1973,7 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
       encryptionKey = prepareKeyData(fileIdBytes, passwordBytes,
                                      ownerPassword, userPassword, flags,
                                      revision, keyLength, encryptMetadata);
-    }
+    } else {
-    else {
       var ownerValidationSalt = stringToBytes(dict.get('O')).subarray(32, 40);
       var ownerKeySalt = stringToBytes(dict.get('O')).subarray(40, 48);
       var uBytes = stringToBytes(dict.get('U')).subarray(0, 48);

src/core/font_renderer.js

@@ -296,7 +296,7 @@ var FontRendererFactory = (function FontRendererFactoryClosure() {
         for (j = 1, jj = contour.length; j < jj; j++) {
           if ((contour[j].flags & 1)) {
             lineTo(contour[j].x, contour[j].y);
-          } else if ((contour[j + 1].flags & 1)){
+          } else if ((contour[j + 1].flags & 1)) {
             quadraticCurveTo(contour[j].x, contour[j].y,
                              contour[j + 1].x, contour[j + 1].y);
             j++;

src/core/function.js

@@ -226,7 +226,7 @@ var PDFFunction = (function PDFFunctionClosure() {
           // x_i' = min(max(x_i, Domain_2i), Domain_2i+1)
           var domain_2i = domain[i][0];
           var domain_2i_1 = domain[i][1];
-          var xi = Math.min(Math.max(src[srcOffset +i], domain_2i),
+          var xi = Math.min(Math.max(src[srcOffset + i], domain_2i),
                             domain_2i_1);
 
           // e_i = Interpolate(x_i', Domain_2i, Domain_2i+1,
@@ -467,7 +467,7 @@ var PDFFunction = (function PDFFunctionClosure() {
           if (value < bound) {
             value = bound;
           } else {
-            bound = range[i * 2 +1];
+            bound = range[i * 2 + 1];
             if (value > bound) {
               value = bound;
             }
@@ -1052,7 +1052,7 @@ var PostScriptCompiler = (function PostScriptCompilerClosure() {
               return null;
             }
             n = num1.number;
-            if (n < 0 || (n|0) !== n || stack.length < n) {
+            if (n < 0 || (n | 0) !== n || stack.length < n) {
               return null;
             }
             ast1 = stack[stack.length - n - 1];
@@ -1102,7 +1102,7 @@ var PostScriptCompiler = (function PostScriptCompilerClosure() {
             }
             j = num2.number;
             n = num1.number;
-            if (n <= 0 || (n|0) !== n || (j|0) !== j || stack.length < n) {
+            if (n <= 0 || (n | 0) !== n || (j | 0) !== j || stack.length < n) {
               // ... and integers
               return null;
             }

src/core/jpg.js

@@ -645,7 +645,7 @@ var JpegImage = (function JpegImageClosure() {
       fileMarker = readUint16();
       while (fileMarker !== 0xFFD9) { // EOI (End of image)
         var i, j, l;
-        switch(fileMarker) {
+        switch (fileMarker) {
           case 0xFFE0: // APP0 (Application Specific)
           case 0xFFE1: // APP1
           case 0xFFE2: // APP2

src/core/jpx.js

@@ -2135,7 +2135,7 @@ var JpxImage = (function JpxImageClosure() {
 
       // step 1 & 3
       j = offset - 2;
-      current = delta * x[j -1];
+      current = delta * x[j - 1];
       for (n = len + 3; n--; j += 2) {
         next = delta * x[j + 1];
         x[j] = K * x[j] - current - next;

src/core/murmurhash3.js

@@ -65,8 +65,7 @@ var MurmurHash3_64 = (function MurmurHash3_64Closure (seed) {
           var code = input.charCodeAt(i);
           if (code <= 0xff) {
             data[length++] = code;
-          }
+          } else {
-          else {
             data[length++] = code >>> 8;
             data[length++] = code & 0xff;
           }

src/core/obj.js

@@ -1230,7 +1230,7 @@ var XRef = (function XRefClosure() {
       } else {
         xrefEntry = this.fetchCompressed(xrefEntry, suppressEncryption);
       }
-      if (isDict(xrefEntry)){
+      if (isDict(xrefEntry)) {
         xrefEntry.objId = ref.toString();
       } else if (isStream(xrefEntry)) {
         xrefEntry.dict.objId = ref.toString();

src/display/annotation_layer.js

@@ -509,7 +509,7 @@ var TextWidgetAnnotationElement = (
       // TODO: This duplicates some of the logic in CanvasGraphics.setFont().
       var style = element.style;
       style.fontSize = this.data.fontSize + 'px';
-      style.direction = (this.data.fontDirection < 0 ? 'rtl': 'ltr');
+      style.direction = (this.data.fontDirection < 0 ? 'rtl' : 'ltr');
 
       if (!font) {
         return;

src/display/canvas.js

@@ -391,7 +391,7 @@ function compileType3Glyph(imgData) {
       var o = outlines[i];
       c.moveTo(o[0], o[1]);
       for (var j = 2, jj = o.length; j < jj; j += 2) {
-        c.lineTo(o[j], o[j+1]);
+        c.lineTo(o[j], o[j + 1]);
       }
     }
     c.fill();

src/display/font_loader.js

@@ -226,7 +226,7 @@ if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {
       function isFontReady(name, callback) {
         called++;
         // With setTimeout clamping this gives the font ~100ms to load.
-        if(called > 30) {
+        if (called > 30) {
           warn('Load test font never loaded.');
           callback();
           return;

src/display/svg.js

@@ -307,7 +307,7 @@ var SVGGraphics = (function SVGGraphicsClosure() {
         continue;
       }
 
-      if(opList[x].fn === 'restore') {
+      if (opList[x].fn === 'restore') {
         opTree = tmp.pop();
       } else {
         opTree.push(opList[x]);
@@ -470,14 +470,14 @@ var SVGGraphics = (function SVGGraphicsClosure() {
 
       for (var x = 0; x < fnArrayLen; x++) {
         var fnId = fnArray[x];
-        opList.push({'fnId' : fnId, 'fn': REVOPS[fnId], 'args': argsArray[x]});
+        opList.push({'fnId': fnId, 'fn': REVOPS[fnId], 'args': argsArray[x]});
       }
       return opListToTree(opList);
     },
 
     executeOpTree: function SVGGraphics_executeOpTree(opTree) {
       var opTreeLen = opTree.length;
-      for(var x = 0; x < opTreeLen; x++) {
+      for (var x = 0; x < opTreeLen; x++) {
         var fn = opTree[x].fn;
         var fnId = opTree[x].fnId;
         var args = opTree[x].args;
@@ -733,7 +733,7 @@ var SVGGraphics = (function SVGGraphicsClosure() {
 
       current.txtElement.setAttributeNS(null, 'transform',
                                         pm(current.textMatrix) +
-                                        ' scale(1, -1)' );
+                                        ' scale(1, -1)');
       current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');
       current.txtElement.appendChild(current.tspan);
       current.txtgrp.appendChild(current.txtElement);
@@ -1105,7 +1105,7 @@ var SVGGraphics = (function SVGGraphicsClosure() {
       rect.setAttributeNS(null, 'width', pf(width));
       rect.setAttributeNS(null, 'height', pf(height));
       rect.setAttributeNS(null, 'fill', fillColor);
-      rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId +')');
+      rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')');
       this.defs.appendChild(mask);
 
       this._ensureTransformGroup().appendChild(rect);

test/unit/crypto_spec.js

@@ -317,11 +317,10 @@ describe('crypto', function() {
       alg = new PDF17();
       password = new Uint8Array([117, 115, 101, 114]);
       userValidation = new Uint8Array([117, 169, 4, 32, 159, 101, 22, 220]);
-      userPassword = new Uint8Array([
+      userPassword = new Uint8Array([131, 242, 143, 160, 87, 2, 138, 134, 79,
-                                      131, 242, 143, 160, 87, 2, 138, 134, 79,
+                                     253, 189, 173, 224, 73, 144, 241, 190, 81,
-                                      253, 189, 173, 224, 73, 144, 241, 190, 81,
+                                     197, 15, 249, 105, 145, 151, 15, 194, 65,
-                                      197, 15, 249, 105, 145, 151, 15, 194, 65,
+                                     3, 1, 126, 187, 221]);
-                                      3, 1, 126, 187, 221]);
       result = alg.checkUserPassword(password, userValidation, userPassword);
       expect(result).toEqual(true);
     });