Merge pull request #7897 from Snuffleupagus/eslint-switch

Switch to using ESLint, instead of JSHint, for linting

.eslintrc

@@ -0,0 +1,108 @@
+{
+  "parserOptions": {
+    "ecmaVersion": 5,
+  },
+
+  "env": {
+    "browser": true,
+    "es6": true,
+    "worker": true,
+    "amd": true,
+  },
+
+  globals: {
+    "PDFJSDev": false,
+    "require": false,
+    "exports": false,
+  },
+
+  "rules": {
+    // Possible errors
+    "no-cond-assign": ["error", "except-parens"],
+    "no-constant-condition": ["error", { "checkLoops": false, }],
+    "no-dupe-args": "error",
+    "no-dupe-keys": "error",
+    "no-duplicate-case": "error",
+    "no-empty": ["error", { "allowEmptyCatch": true, }],
+    "no-ex-assign": "error",
+    "no-extra-boolean-cast": "error",
+    "no-extra-semi": "error",
+    "no-func-assign": "error",
+    "no-inner-declarations": ["error", "functions"],
+    "no-invalid-regexp": "error",
+    "no-irregular-whitespace": "error",
+    "no-obj-calls": "error",
+    "no-regex-spaces": "error",
+    "no-sparse-arrays": "error",
+    "no-unexpected-multiline": "error",
+    "no-unreachable": "error",
+    "no-unsafe-negation": "error",
+    "use-isnan": "error",
+    "valid-typeof": ["error", { "requireStringLiterals": true, }],
+
+    // Best Practices
+    "accessor-pairs": ["error", { "setWithoutGet": true, }],
+    "curly": ["error", "all"],
+    "eqeqeq": ["error", "always"],
+    "no-caller": "error",
+    "no-eval": "error",
+    "no-extend-native": "error",
+    "no-extra-bind": "error",
+    "no-extra-label": "error",
+    "no-fallthrough": "error",
+    "no-global-assign": "error",
+    "no-implied-eval": "error",
+    "no-multi-spaces": "error",
+    "no-multi-str": "error",
+    "no-new-func": "error",
+    "no-new-wrappers": "error",
+    "no-new": "error",
+    "no-octal-escape": "error",
+    "no-redeclare": "error",
+    "no-self-assign": "error",
+    "no-unused-expressions": "error",
+    "no-unused-labels": "error",
+    "no-useless-concat": "error",
+    "wrap-iife": ["error", "any"],
+    "yoda": ["error", "never", { "onlyEquality": true, }],
+
+    // Strict Mode
+    "strict": ["error", "global"],
+
+    // Variables
+    "no-catch-shadow": "error",
+    "no-label-var": "error",
+    "no-shadow-restricted-names": "error",
+    "no-undef-init": "error",
+    "no-undef": ["error", { "typeof": true, }],
+
+    // Stylistic Issues
+    "array-bracket-spacing": ["error", "never"],
+    "block-spacing": ["error", "always"],
+    "brace-style": ["error", "1tbs", { "allowSingleLine": true, }],
+    "comma-spacing": ["error", { "before": false, "after": true, }],
+    "comma-style": ["error", "last"],
+    "eol-last": "error",
+    "func-call-spacing": ["error", "never"],
+    "key-spacing": ["error", { "beforeColon": false, "afterColon": true, "mode": "strict", }],
+    "keyword-spacing": ["error", { "before": true, "after": true, }],
+    "linebreak-style": ["error", "unix"],
+    "max-len": ["error", 80],
+    "new-cap": ["error", { "newIsCap": true, "capIsNew": false, }],
+    "new-parens": "error",
+    "no-array-constructor": "error",
+    "no-multiple-empty-lines": ["error", { "max": 2, "maxEOF": 0, "maxBOF": 1, }],
+    "no-tabs": "error",
+    "no-trailing-spaces": ["error", { "skipBlankLines": false, }],
+    "no-whitespace-before-property": "error",
+    "operator-linebreak": ["error", "after", { "overrides": { ":": "ignore", } }],
+    "quotes": ["error", "single"],
+    "semi-spacing": ["error", { "before": false, "after": true, }],
+    "semi": ["error", "always"],
+    "space-before-blocks": ["error", "always"],
+    "space-before-function-paren": ["error", { "anonymous": "ignore", "named": "never", }],
+    "space-in-parens": ["error", "never"],
+    "space-infix-ops": ["error", { "int32Hint": false }],
+    "space-unary-ops": ["error", { "words": true, "nonwords": false, "overrides": { "void": false, }, }],
+  },
+}

.jshintrc

@@ -1,33 +0,0 @@
-{
-  // Environments
-  "browser": true,
-  "devel": true,
-  "worker": true,
-  "predef": [
-    "Promise",
-    "PDFJSDev",
-    "require",
-    "define",
-    "exports"
-  ],
-
-  // Enforcing
-  "maxlen": 80,
-  "quotmark": "single",
-  "trailing": true,
-  "curly": true,
-  "undef": true,
-  "noarg": true,
-  "nonbsp": true,
-  "eqeqeq": true,
-
-  // Relaxing
-  "boss": true,
-  "funcscope": true,
-  "globalstrict": true,
-  "loopfunc": true,
-  "maxerr": 1000,
-  "nonstandard": true,
-  "sub": true,
-  "validthis": true
-}

examples/mobile-viewer/viewer.js

@@ -12,8 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-/* globals PDFJS, Promise */
+/* globals PDFJS */
 
 'use strict';
 

extensions/chromium/options/migration.js

@@ -13,6 +13,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
+/* eslint strict: ["error", "function"] */
 /* globals chrome */
 
 (function() {

extensions/chromium/options/options.js

@@ -13,7 +13,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
-/* globals chrome, Promise */
+/* globals chrome */
 
 'use strict';
 var storageAreaName = chrome.storage.sync ? 'sync' : 'local';

extensions/chromium/pdfHandler-vcros.js

@@ -13,6 +13,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
+/* eslint strict: ["error", "function"] */
 /* globals chrome, getViewerURL */
 
 (function() {

extensions/chromium/telemetry.js

@@ -13,6 +13,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
+/* eslint strict: ["error", "function"] */
 /* globals chrome, crypto, Headers, Request */
 
 (function() {

extensions/firefox/.eslintrc

@@ -0,0 +1,9 @@
+{
+  "extends": [
+    ../../.eslintrc
+  ],
+
+  "parserOptions": {
+    "ecmaVersion": 6
+  },
+}

extensions/firefox/bootstrap.js

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint esnext:true */
 /* globals Components, Services, dump, XPCOMUtils, PdfStreamConverter,
            APP_SHUTDOWN, PdfjsChromeUtils, PdfjsContentUtils */
 

extensions/firefox/chrome/content.js

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint esnext:true */
 /* globals Components, Services, XPCOMUtils, PdfjsContentUtils,
            PdfjsContentUtils, PdfStreamConverter, addMessageListener */
 

extensions/firefox/content/PdfJs-stub.jsm

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint esnext:true, maxlen:100 */
+/* eslint max-len: ["error", 100] */
 
 'use strict';
 

extensions/firefox/content/PdfJs.jsm

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint esnext:true */
 /* globals Components, Services, XPCOMUtils, PdfjsChromeUtils,
            PdfjsContentUtils, PdfStreamConverter */
 

extensions/firefox/content/PdfJsTelemetry-addon.jsm

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint esnext:true, maxlen:120 */
+/* eslint max-len: ["error", 120] */
 /* globals Components, Services */
 
 'use strict';

extensions/firefox/content/PdfJsTelemetry.jsm

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint esnext:true, maxlen: 100 */
+/* eslint max-len: ["error", 100] */
 /* globals Components, Services */
 
 'use strict';

extensions/firefox/content/PdfStreamConverter.jsm

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint esnext:true */
 /* globals Components, Services, XPCOMUtils, NetUtil, PrivateBrowsingUtils,
            dump, NetworkManager, PdfJsTelemetry, PdfjsContentUtils */
 

extensions/firefox/content/PdfjsChromeUtils.jsm

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint esnext:true */
 /* globals Components, Services, XPCOMUtils */
 
 'use strict';

extensions/firefox/content/PdfjsContentUtils.jsm

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint esnext:true */
 /* globals Components, Services, XPCOMUtils */
 
 'use strict';

extensions/firefox/content/pdfjschildbootstrap.js

@@ -12,7 +12,6 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
-/* jshint esnext:true */
 /* globals Components, PdfjsContentUtils, PdfJs, Services */
 
 'use strict';

extensions/firefox/tools/l10n.js

@@ -1,4 +1,3 @@
-
 'use strict';
 
 // Small subset of the webL10n API by Fabien Cazenave for pdf.js extension.

external/.eslintrc

@@ -0,0 +1,10 @@
+{
+  "extends": [
+    ../.eslintrc
+  ],
+
+  "env": {
+    "node": true,
+    "shelljs": true,
+  },
+}

external/builder/builder.js

@@ -1,6 +1,3 @@
-/* jshint node:true */
-/* globals cp, ls, test */
-
 'use strict';
 
 var fs = require('fs'),
@@ -107,10 +104,8 @@ function preprocess(inFilename, outFilename, defines) {
   var line;
   var state = STATE_NONE;
   var stack = [];
-  var control =
-  /* jshint -W101 */
+  var control = // eslint-disable-next-line max-len
     /^(?:\/\/|<!--)\s*#(if|elif|else|endif|expand|include|error)\b(?:\s+(.*?)(?:-->)?$)?/;
-  /* jshint +W101 */
   var lineNumber = 0;
   var loc = function() {
     return fs.realpathSync(inFilename) + ':' + lineNumber;

external/builder/fixtures/.eslintrc

@@ -0,0 +1,11 @@
+{
+  "extends": [
+    ../../.eslintrc
+  ],
+
+  "rules": {
+    "no-empty": "off",
+    "keyword-spacing": "off",
+    "space-infix-ops": "off",
+  },
+}

external/builder/preprocessor2.js

@@ -1,5 +1,3 @@
-/* jshint node:true */
-
 'use strict';
 
 var esprima = require('esprima');
@@ -197,8 +195,12 @@ function fixComments(ctx, node) {
   }
   // Fixes double comments in the escodegen output.
   delete node.trailingComments;
-  // Removes jshint and other service comments.
+  // Removes ESLint and other service comments.
   if (node.leadingComments) {
+    var CopyrightRegExp = /\bcopyright\b/i;
+    var BlockCommentRegExp = /^\s*(globals|eslint|falls through|umdutils)\b/;
+    var LineCommentRegExp = /^\s*eslint\b/;
+
     var i = 0;
     while (i < node.leadingComments.length) {
       var type = node.leadingComments[i].type;
@@ -206,12 +208,12 @@ function fixComments(ctx, node) {
 
       if (ctx.saveComments === 'copyright') {
         // Remove all comments, except Copyright notices and License headers.
-        if (!(type === 'Block' && /\bcopyright\b/i.test(value))) {
+        if (!(type === 'Block' && CopyrightRegExp.test(value))) {
           node.leadingComments.splice(i, 1);
           continue;
         }
-      } else if (type === 'Block' &&
-                 /^\s*(globals|jshint|falls through|umdutils)\b/.test(value)) {
+      } else if ((type === 'Block' && BlockCommentRegExp.test(value)) ||
+                 (type === 'Line' && LineCommentRegExp.test(value))) {
         node.leadingComments.splice(i, 1);
         continue;
       }

external/builder/test.js

@@ -1,5 +1,3 @@
-/* jshint node:true */
-/* globals cat, cd, echo, ls */
 'use strict';
 
 require('shelljs/make');

external/builder/test2.js

@@ -1,5 +1,3 @@
-/* jshint node:true */
-/* globals cat, cd, echo, ls */
 'use strict';
 
 require('shelljs/make');

external/crlfchecker/crlfchecker.js

@@ -1,6 +1,3 @@
-/* jshint node:true */
-/* globals cat, echo, exit, ls */
-
 'use strict';
 
 function checkIfCrlfIsPresent(files) {

external/crlfchecker/normtext.js

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint node:true */
 
 'use strict';
 

external/importL10n/locales.js

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint node:true */
 
 'use strict';
 

gulpfile.js

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint node:true */
+/* eslint-env node */
 /* globals target */
 
 'use strict';
@@ -529,12 +529,12 @@ gulp.task('lint', function (done) {
   console.log();
   console.log('### Linting JS files');
 
-  // Lint the Firefox specific *.jsm files.
-  var options = ['node_modules/jshint/bin/jshint', '--extra-ext', '.jsm', '.'];
-  var jshintProcess = spawn('node', options, {stdio: 'inherit'});
-  jshintProcess.on('close', function (code) {
+  // Ensure that we lint the Firefox specific *.jsm files too.
+  var options = ['node_modules/eslint/bin/eslint', '--ext', '.js,.jsm', '.'];
+  var esLintProcess = spawn('node', options, {stdio: 'inherit'});
+  esLintProcess.on('close', function (code) {
     if (code !== 0) {
-      done(new Error('jshint failed.'));
+      done(new Error('ESLint failed.'));
       return;
     }
 

make.js

@@ -12,9 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint node:true */
-/* globals cat, cd, cp, echo, env, exec, exit, find, ls, mkdir, mv, process, rm,
-           sed, target, test */
+/* eslint-env node, shelljs */
 
 'use strict';
 

package.json

@@ -3,13 +3,13 @@
   "version": "0.8.0",
   "devDependencies": {
     "escodegen": "^1.8.0",
+    "eslint": "^3.11.1",
     "esprima": "^2.7.2",
     "gulp": "^3.9.1",
     "gulp-util": "^3.0.7",
     "gulp-zip": "^3.2.0",
     "jasmine-core": "^2.4.1",
     "jsdoc": "^3.3.0-alpha9",
-    "jshint": "~2.8.0",
     "mkdirp": "^0.5.1",
     "node-ensure": "^0.0.0",
     "requirejs": "^2.1.22",

src/core/fonts.js

@@ -983,7 +983,7 @@ var Font = (function FontClosure() {
     // Split the sorted codes into ranges.
     var ranges = [];
     var length = codes.length;
-    for (var n = 0; n < length; ) {
+    for (var n = 0; n < length; ) { // eslint-disable-line space-in-parens
       var start = codes[n].fontCharCode;
       var codeIndices = [codes[n].glyphId];
       ++n;

src/core/function.js

@@ -423,7 +423,7 @@ var PDFFunction = (function PDFFunctionClosure() {
         // Compiled function consists of simple expressions such as addition,
         // subtraction, Math.max, and also contains 'var' and 'return'
         // statements. See the generation in the PostScriptCompiler below.
-        /*jshint -W054 */
+        // eslint-disable-next-line no-new-func
         return new Function('src', 'srcOffset', 'dest', 'destOffset', compiled);
       }
 

src/core/jpg.js

@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* eslint-disable no-multi-spaces */
 
 'use strict';
 

src/core/murmurhash3.js

@@ -1,4 +1,3 @@
-
 /* Copyright 2014 Opera Software ASA
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -48,6 +47,7 @@ var MurmurHash3_64 = (function MurmurHash3_64Closure(seed) {
       !PDFJSDev.test('FIREFOX || MOZCENTRAL || CHROME')) {
     // old webkits have issues with non-aligned arrays
     try {
+      // eslint-disable-next-line no-new
       new Uint32Array(new Uint8Array(5).buffer, 0, 1);
     } catch (e) {
       alwaysUseUint32ArrayView = true;

src/core/parser.js

@@ -248,29 +248,29 @@ var Parser = (function ParserClosure() {
           case 0xC1: // SOF1
           case 0xC2: // SOF2
           case 0xC3: // SOF3
-
+            /* falls through */
           case 0xC5: // SOF5
           case 0xC6: // SOF6
           case 0xC7: // SOF7
-
+            /* falls through */
           case 0xC9: // SOF9
           case 0xCA: // SOF10
           case 0xCB: // SOF11
-
+            /* falls through */
           case 0xCD: // SOF13
           case 0xCE: // SOF14
           case 0xCF: // SOF15
-
+            /* falls through */
           case 0xC4: // DHT
           case 0xCC: // DAC
-
+            /* falls through */
           case 0xDA: // SOS
           case 0xDB: // DQT
           case 0xDC: // DNL
           case 0xDD: // DRI
           case 0xDE: // DHP
           case 0xDF: // EXP
-
+            /* falls through */
           case 0xE0: // APP0
           case 0xE1: // APP1
           case 0xE2: // APP2
@@ -287,7 +287,7 @@ var Parser = (function ParserClosure() {
           case 0xED: // APP13
           case 0xEE: // APP14
           case 0xEF: // APP15
-
+            /* falls through */
           case 0xFE: // COM
             // The marker should be followed by the length of the segment.
             markerLength = stream.getUint16();

src/core/pattern.js

@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* eslint-disable no-multi-spaces */
 
 'use strict';
 

src/core/worker.js

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* globals NetworkManager, module */
+/* globals module */
 
 'use strict';
 
@@ -83,14 +83,13 @@ var WorkerTask = (function WorkerTaskClosure() {
 })();
 
 if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('PRODUCTION')) {
-/*jshint -W082 */
 /**
  * Interface that represents PDF data transport. If possible, it allows
  * progressively load entire or fragment of the PDF binary data.
  *
  * @interface
- * */
-function IPDFStream() {}
+ */
+function IPDFStream() {} // eslint-disable-line no-inner-declarations
 IPDFStream.prototype = {
   /**
    * Gets a reader for the entire PDF data.
@@ -118,7 +117,7 @@ IPDFStream.prototype = {
  *
  * @interface
  */
-function IPDFStreamReader() {}
+function IPDFStreamReader() {} // eslint-disable-line no-inner-declarations
 IPDFStreamReader.prototype = {
   /**
    * Gets a promise that is resolved when the headers and other metadata of
@@ -179,7 +178,7 @@ IPDFStreamReader.prototype = {
  *
  * @interface
  */
-function IPDFStreamRangeReader() {}
+function IPDFStreamRangeReader() {} // eslint-disable-line no-inner-declarations
 IPDFStreamRangeReader.prototype = {
   /**
    * Gets ability of the stream to progressively load binary data.

src/display/api.js

@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 /* globals pdfjsFilePath, pdfjsVersion, pdfjsBuild, requirejs, pdfjsLibs,
-           WeakMap */
+           __webpack_require__ */
 
 'use strict';
 

src/display/canvas.js

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* globals ImageData */
 
 'use strict';
 

src/display/font_loader.js

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* globals FontFace */
 
 'use strict';
 
@@ -426,7 +425,7 @@ var FontFaceObject = (function FontFaceObjectClosure() {
 
             js += 'c.' + current.cmd + '(' + args + ');\n';
           }
-          /* jshint -W054 */
+          // eslint-disable-next-line no-new-func
           this.compiledGlyphs[character] = new Function('c', 'size', js);
         } else {
           // But fall back on using Function.prototype.apply() if we're

src/display/metadata.js

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* globals Document */
 
 'use strict';
 

src/display/svg.js

@@ -460,7 +460,7 @@ var SVGGraphics = (function SVGGraphicsClosure() {
     convertOpList: function SVGGraphics_convertOpList(operatorList) {
       var argsArray = operatorList.argsArray;
       var fnArray = operatorList.fnArray;
-      var fnArrayLen  = fnArray.length;
+      var fnArrayLen = fnArray.length;
       var REVOPS = [];
       var opList = [];
 

src/display/text_layer.js

@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* globals WeakMap */
 
 'use strict';
 

src/display/webgl.js

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint -W043 */
+/* eslint-disable no-multi-str */
 
 'use strict';
 

src/doc_helper.js

@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* eslint-disable strict */
 
 /*
  NOTE: This file is created as a helper to assist with JSDoc html files.

src/pdf.js

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint globalstrict: false */
+/* eslint strict: ["error", "function"] */
 /* umdutils ignore */
 
 (function (root, factory) {

src/pdf.worker.entry.js

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* eslint-disable strict */
 
 (typeof window !== 'undefined' ? window : {}).pdfjsDistBuildPdfWorker =
   require('./pdf.worker.js');
-

src/shared/fonts_utils.js

@@ -73,7 +73,7 @@ function readCharstringEncoding(aString) {
   var charstringTokens = [];
 
   var count = aString.length;
-  for (var i = 0; i < count; ) {
+  for (var i = 0; i < count; ) { // eslint-disable-line space-in-parens
     var value = aString[i++] | 0;
     var token = null;
 

src/shared/util.js

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* globals URL, global */
+/* globals global */
 
 'use strict';
 
@@ -620,8 +620,7 @@ function isLittleEndian() {
 // Checks if it's possible to eval JS expressions.
 function isEvalSupported() {
   try {
-    /* jshint evil: true */
-    new Function('');
+    new Function(''); // eslint-disable-line no-new, no-new-func
     return true;
   } catch (e) {
     return false;
@@ -1756,6 +1755,8 @@ if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 (function checkURLConstructor(scope) {
+  /* eslint-disable yoda */
+
   // feature detect for URL constructor
   var hasWorkingUrl = false;
   try {
@@ -2392,6 +2393,8 @@ if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {
   }
 
   scope.URL = JURL;
+
+  /* eslint-enable yoda */
 })(globalScope);
 }
 

test/.eslintrc

@@ -0,0 +1,11 @@
+{
+  "extends": [
+    ../.eslintrc
+  ],
+
+  "env": {
+    "node": true,
+    "shelljs": true,
+    "jasmine": true,
+  },
+}

test/downloadutils.js

@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/*jslint node: true */
 
 'use strict';
 

test/font/jasmine-boot.js

@@ -34,7 +34,7 @@
  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
-/*globals jasmineRequire, jasmine, TestReporter */
+/* globals jasmineRequire, TestReporter */
 
 // Modified jasmine's boot.js file to load PDF.js libraries async.
 

test/font/ttxdriver.js

@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/*jslint node: true */
 
 'use strict';
 

test/stats/statcmp.js

@@ -1,5 +1,3 @@
-/*jslint node: true */
-
 'use strict';
 
 var fs = require('fs');

test/test.js

@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/*jslint node: true */
 
 'use strict';
 

test/testutils.js

@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/*jslint node: true */
 
 'use strict';
 

test/unit/annotation_layer_spec.js

@@ -1,8 +1,7 @@
-/* globals expect, it, describe, Dict, Name, Annotation, AnnotationBorderStyle,
-           AnnotationBorderStyleType, AnnotationType, AnnotationFlag, PDFJS,
-           beforeEach, afterEach, stringToBytes, AnnotationFactory, Ref, isRef,
-           beforeAll, afterAll, AnnotationFieldFlag, stringToUTF8String,
-           StringStream, Lexer, Parser */
+/* globals isRef, AnnotationFactory, Dict, Name, Ref, AnnotationType,
+           AnnotationFlag, Annotation, AnnotationBorderStyle,
+           AnnotationBorderStyleType, StringStream, Lexer, Parser,
+           stringToUTF8String, AnnotationFieldFlag, PDFJS, stringToBytes */
 
 'use strict';
 

test/unit/api_spec.js

@@ -1,7 +1,6 @@
-/* globals PDFJS, expect, it, describe, Promise, beforeAll,
-           InvalidPDFException, MissingPDFException, StreamType, FontType,
-           PDFDocumentProxy, PasswordException, PasswordResponses, afterAll,
-           PDFPageProxy, createPromiseCapability, afterEach */
+/* globals PDFJS, createPromiseCapability, PDFDocumentProxy,
+           InvalidPDFException, MissingPDFException, PasswordResponses,
+           PasswordException, PDFPageProxy, StreamType, FontType */
 
 'use strict';
 

test/unit/cff_parser_spec.js

@@ -1,6 +1,5 @@
-/* globals describe, it, expect, beforeAll, afterAll, beforeEach, afterEach,
-           Stream, CFFParser, SEAC_ANALYSIS_ENABLED, CFFIndex, CFFStrings,
-           CFFCompiler */
+/* globals Stream, CFFParser, SEAC_ANALYSIS_ENABLED, CFFIndex, CFFParser,
+           CFFStrings, CFFCompiler */
 
 'use strict';
 

test/unit/cmap_spec.js

@@ -1,5 +1,4 @@
-/* globals expect, it, describe, StringStream, CMapFactory, Name, CMap,
-           IdentityCMap */
+/* globals StringStream, CMapFactory, CMap, IdentityCMap, Name */
 
 'use strict';
 

test/unit/crypto_spec.js

@@ -1,7 +1,7 @@
-/* globals expect, it, describe, calculateMD5, ARCFourCipher, Name, beforeAll,
-           CipherTransformFactory, calculateSHA256, calculateSHA384, afterAll,
-           calculateSHA512, AES128Cipher, AES256Cipher, PDF17, PDF20, Dict,
-           PasswordException, PasswordResponses, stringToBytes */
+/* globals stringToBytes, calculateMD5, ARCFourCipher, calculateSHA256,
+           calculateSHA384, calculateSHA512, AES128Cipher, AES256Cipher, PDF17,
+           PDF20, Dict, CipherTransformFactory, PasswordException,
+           PasswordResponses, Name */
 
 'use strict';
 
@@ -482,6 +482,7 @@ describe('CipherTransformFactory', function() {
 
   function ensurePasswordNeeded(done, dict, fileId, password) {
     try {
+      // eslint-disable-next-line no-new
       new CipherTransformFactory(dict, fileId, password);
     } catch (ex) {
       expect(ex instanceof PasswordException).toEqual(true);
@@ -495,6 +496,7 @@ describe('CipherTransformFactory', function() {
 
   function ensurePasswordIncorrect(done, dict, fileId, password) {
     try {
+      // eslint-disable-next-line no-new
       new CipherTransformFactory(dict, fileId, password);
     } catch (ex) {
       expect(ex instanceof PasswordException).toEqual(true);

test/unit/dom_utils_spec.js

@@ -1,5 +1,4 @@
-/* globals expect, it, describe, PDFJS, isExternalLinkTargetSet, LinkTarget,
-           getFilenameFromUrl, beforeAll, afterAll */
+/* globals getFilenameFromUrl, PDFJS, LinkTarget, isExternalLinkTargetSet */
 
 'use strict';
 

test/unit/evaluator_spec.js

@@ -1,5 +1,5 @@
-/* globals expect, it, describe, PartialEvaluator, StringStream, OPS,
-           OperatorList, Dict, Name, Stream, WorkerTask */
+/* globals OperatorList, WorkerTask, PartialEvaluator, StringStream, OPS, Dict,
+           Name, Stream */
 
 'use strict';
 

test/unit/fonts_spec.js

@@ -1,4 +1,4 @@
-/* globals describe, it, expect, checkProblematicCharRanges */
+/* globals checkProblematicCharRanges */
 
 'use strict';
 

test/unit/function_spec.js

@@ -1,6 +1,5 @@
-/* globals jasmine, expect, it, describe, beforeEach, isArray, StringStream,
-           PostScriptParser, PostScriptLexer, PostScriptEvaluator,
-           PostScriptCompiler*/
+/* globals isArray, StringStream, PostScriptParser, PostScriptLexer,
+           PostScriptEvaluator, PostScriptCompiler */
 
 'use strict';
 
@@ -433,7 +432,7 @@ describe('function', function() {
         expect(compiledCode).toBeNull();
       } else {
         expect(compiledCode).not.toBeNull();
-        /*jshint -W054 */
+        // eslint-disable-next-line no-new-func
         var fn = new Function('src', 'srcOffset', 'dest', 'destOffset',
                               compiledCode);
         for (var i = 0; i < samples.length; i++) {

test/unit/jasmine-boot.js

@@ -34,7 +34,7 @@
  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
-/*globals jasmineRequire, jasmine, TestReporter */
+/* globals jasmineRequire, TestReporter */
 
 // Modified jasmine's boot.js file to load PDF.js libraries async.
 

test/unit/metadata_spec.js

@@ -1,4 +1,4 @@
-/* globals expect, it, describe, Metadata */
+/* globals Metadata */
 
 'use strict';
 

test/unit/murmurhash3_spec.js

@@ -1,4 +1,4 @@
-/* globals jasmine, expect, it, describe, MurmurHash3_64 */
+/* globals MurmurHash3_64 */
 
 'use strict';
 
@@ -49,4 +49,4 @@ describe('MurmurHash3_64', function() {
     hexdigest2 = hash.hexdigest();
     expect(hexdigest1).not.toEqual(hexdigest2);
   });
-});
+});

test/unit/network_spec.js

@@ -1,4 +1,4 @@
-/* globals expect, it, describe, PDFNetworkStream */
+/* globals PDFNetworkStream */
 
 'use strict';
 

test/unit/parser_spec.js

@@ -1,4 +1,4 @@
-/* globals expect, it, describe, StringStream, Lexer, Name, Linearization */
+/* globals StringStream, Lexer, Name, Linearization */
 
 'use strict';
 

test/unit/stream_spec.js

@@ -1,5 +1,4 @@
-/* globals jasmine, expect, it, describe, beforeEach, Stream, PredictorStream,
-           Dict */
+/* globals Stream, PredictorStream, Dict */
 
 'use strict';
 

test/unit/testreporter.js

@@ -1,4 +1,3 @@
-
 'use strict';
 
 var TestReporter = function(browser, appPath) {

test/unit/type1_parser_spec.js

@@ -1,5 +1,4 @@
-/* globals describe, it, expect, StringStream, Type1Parser,
-           SEAC_ANALYSIS_ENABLED */
+/* globals StringStream, Type1Parser, SEAC_ANALYSIS_ENABLED */
 
 'use strict';
 

test/unit/unicode_spec.js

@@ -1,6 +1,6 @@
-/* globals describe, it, expect, beforeAll, afterAll, mapSpecialUnicodeValues,
-           getUnicodeForGlyph, getGlyphsUnicode, getDingbatsGlyphsUnicode,
-           getUnicodeRangeFor, getNormalizedUnicodes, reverseIfRtl */
+/* globals mapSpecialUnicodeValues, getUnicodeForGlyph, getGlyphsUnicode,
+           getDingbatsGlyphsUnicode, getUnicodeRangeFor, getNormalizedUnicodes,
+           reverseIfRtl */
 
 'use strict';
 

test/unit/util_spec.js

@@ -1,4 +1,4 @@
-/* globals describe, it, expect, stringToPDFString, removeNullCharacters */
+/* globals stringToPDFString, removeNullCharacters */
 
 'use strict';
 

test/webbrowser.js

@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/*jslint node: true */
 
 'use strict';
 

test/webserver.js

@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/*jslint node: true */
 
 'use strict';
 

web/chromecom.js

@@ -12,8 +12,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 /* globals chrome, DEFAULT_URL */
+
 'use strict';
 
 (function (root, factory) {
@@ -201,9 +201,11 @@
       // Use Chrome's definition of UI language instead of PDF.js's #lang=...,
       // because the shown string should match the UI at chrome://extensions.
       // These strings are from chrome/app/resources/generated_resources_*.xtb.
+      /* eslint-disable no-unexpected-multiline */
       var i18nFileAccessLabel =
         PDFJSDev.json('$ROOT/web/chrome-i18n-allow-access-to-file-urls.json')
         [chrome.i18n.getUILanguage && chrome.i18n.getUILanguage()];
+      /* eslint-enable no-unexpected-multiline */
 
       if (i18nFileAccessLabel) {
         document.getElementById('chrome-file-access-label').textContent =

web/compatibility.js

@@ -12,6 +12,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* eslint strict: ["error", "function"] */
+/* eslint-disable no-extend-native */
 /* globals VBArray, PDFJS */
 
 (function compatibilityWrapper() {

web/download_manager.js

@@ -26,7 +26,7 @@
   }
 }(this, function (exports, pdfjsLib) {
 if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC || CHROME')) {
-  /* jshint -W082 */
+  // eslint-disable-next-line no-inner-declarations
   function download(blobUrl, filename) {
     var a = document.createElement('a');
     if (a.click) {
@@ -63,7 +63,7 @@ if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC || CHROME')) {
     }
   }
 
-  function DownloadManager() {}
+  function DownloadManager() {} // eslint-disable-line no-inner-declarations
 
   DownloadManager.prototype = {
     downloadUrl: function DownloadManager_downloadUrl(url, filename) {

web/grab_to_pan.js

@@ -122,7 +122,7 @@
       }
       if (event.originalTarget) {
         try {
-          /* jshint expr:true */
+          // eslint-disable-next-line no-unused-expressions
           event.originalTarget.tagName;
         } catch (e) {
           // Mozilla-specific: element is a scrollbar (XUL element)

web/pdf_viewer.component.js

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* jshint globalstrict: false */
+/* eslint strict: ["error", "function"] */
 /* umdutils ignore */
 
 (function (root, factory) {

web/preferences.js

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* globals DEFAULT_PREFERENCES, chrome */
+/* globals DEFAULT_PREFERENCES */
 
 'use strict';
 

web/viewer.js

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/*globals require, chrome */
+/* globals chrome */
 
 'use strict';