From 1ebce2b53cb62d81954b64f48bc0bc7112395c8a Mon Sep 17 00:00:00 2001
From: Nils Knappmeier <github@knappi.org>
Date: Thu, 12 Dec 2019 23:04:35 +0100
Subject: [PATCH] test/style: use nyc instead of istanbul, npm audit fix

---
 .istanbul.yml       |    2 -
 Gruntfile.js        |    2 +-
 nyc.config.js       |    9 +
 package-lock.json   | 1116 +++++++++++++++++++++++++++++++++----------
 package.json        |    4 +-
 spec/builtins.js    |   17 +
 tasks/test-mocha.js |   20 +-
 7 files changed, 905 insertions(+), 265 deletions(-)
 delete mode 100644 .istanbul.yml
 create mode 100644 nyc.config.js

diff --git a/.istanbul.yml b/.istanbul.yml
deleted file mode 100644
index 960643ef..00000000
--- a/.istanbul.yml
+++ /dev/null
@@ -1,2 +0,0 @@
-instrumentation:
-    excludes: ['**/spec/**', '**/handlebars/compiler/parser.js']
diff --git a/Gruntfile.js b/Gruntfile.js
index 84a36158..0326cfc8 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -263,7 +263,7 @@ module.exports = function(grunt) {
 
   this.registerTask('amd', ['babel:amd', 'requirejs']);
 
-  this.registerTask('test', ['test:bin', 'test:cov', 'test:check-cov']);
+  this.registerTask('test', ['test:bin', 'test:cov']);
 
   grunt.registerTask('bench', ['metrics']);
 
diff --git a/nyc.config.js b/nyc.config.js
new file mode 100644
index 00000000..f516eb2b
--- /dev/null
+++ b/nyc.config.js
@@ -0,0 +1,9 @@
+module.exports = {
+  'check-coverage': true,
+  branches: 100,
+  lines: 100,
+  functions: 100,
+  statements: 100,
+  exclude: ['**/spec/**', '**/handlebars/compiler/parser.js'],
+  reporter: 'html'
+};
diff --git a/package-lock.json b/package-lock.json
index 79fc1b9c..9c79a3d7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,67 @@
         "@babel/highlight": "^7.0.0"
       }
     },
+    "@babel/generator": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.7.4.tgz",
+      "integrity": "sha512-m5qo2WgdOJeyYngKImbkyQrnUN1mPceaG5BV+G0E3gWsa4l/jCSryWJdM2x8OuGAOyh+3d5pVYfZWCiNFtynxg==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.7.4",
+        "jsesc": "^2.5.1",
+        "lodash": "^4.17.13",
+        "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "jsesc": {
+          "version": "2.5.2",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-2.5.2.tgz",
+          "integrity": "sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA==",
+          "dev": true
+        },
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "@babel/helper-function-name": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.7.4.tgz",
+      "integrity": "sha512-AnkGIdiBhEuiwdoMnKm7jfPfqItZhgRaZfMg1XX3bS25INOnLPjPG1Ppnajh8eqgt5kPJnfqrRHqFqmjKDZLzQ==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-get-function-arity": "^7.7.4",
+        "@babel/template": "^7.7.4",
+        "@babel/types": "^7.7.4"
+      }
+    },
+    "@babel/helper-get-function-arity": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.7.4.tgz",
+      "integrity": "sha512-QTGKEdCkjgzgfJ3bAyRwF4yyT3pg+vDgan8DSivq1eS0gwi+KGKE5x8kRcbeFTb/673mkO5SN1IZfmCfA5o+EA==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.7.4"
+      }
+    },
+    "@babel/helper-split-export-declaration": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.7.4.tgz",
+      "integrity": "sha512-guAg1SXFcVr04Guk9eq0S4/rWS++sbmyqosJzVs8+1fH5NI+ZcmkaSkc7dmtAFbHFva6yRJnjW3yAcGxjueDug==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.7.4"
+      }
+    },
     "@babel/highlight": {
       "version": "7.5.0",
       "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
@@ -61,6 +122,12 @@
         }
       }
     },
+    "@babel/parser": {
+      "version": "7.7.5",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.7.5.tgz",
+      "integrity": "sha512-KNlOe9+/nk4i29g0VXgl8PEXIRms5xKLJeuZ6UptN0fHv+jDiriG+y94X6qAgWTR0h3KaoM1wK5G5h7MHFRSig==",
+      "dev": true
+    },
     "@babel/runtime": {
       "version": "7.6.3",
       "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.6.3.tgz",
@@ -70,6 +137,88 @@
         "regenerator-runtime": "^0.13.2"
       }
     },
+    "@babel/template": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.7.4.tgz",
+      "integrity": "sha512-qUzihgVPguAzXCK7WXw8pqs6cEwi54s3E+HrejlkuWO6ivMKx9hZl3Y2fSXp9i5HgyWmj7RKP+ulaYnKM4yYxw==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/parser": "^7.7.4",
+        "@babel/types": "^7.7.4"
+      }
+    },
+    "@babel/traverse": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.7.4.tgz",
+      "integrity": "sha512-P1L58hQyupn8+ezVA2z5KBm4/Zr4lCC8dwKCMYzsa5jFMDMQAzaBNy9W5VjB+KAmBjb40U7a/H6ao+Xo+9saIw==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.5.5",
+        "@babel/generator": "^7.7.4",
+        "@babel/helper-function-name": "^7.7.4",
+        "@babel/helper-split-export-declaration": "^7.7.4",
+        "@babel/parser": "^7.7.4",
+        "@babel/types": "^7.7.4",
+        "debug": "^4.1.0",
+        "globals": "^11.1.0",
+        "lodash": "^4.17.13"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "globals": {
+          "version": "11.12.0",
+          "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
+          "integrity": "sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==",
+          "dev": true
+        },
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+          "dev": true
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/types": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.7.4.tgz",
+      "integrity": "sha512-cz5Ji23KCi4T+YIE/BolWosrJuSmoZeN1EFnRtBwF+KKLi8GG/Z2c2hOJJeCXPk4mwk4QFvTmwIodJowXgttRA==",
+      "dev": true,
+      "requires": {
+        "esutils": "^2.0.2",
+        "lodash": "^4.17.13",
+        "to-fast-properties": "^2.0.0"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+          "dev": true
+        },
+        "to-fast-properties": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+          "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
+          "dev": true
+        }
+      }
+    },
     "@knappi/grunt-saucelabs": {
       "version": "9.0.2",
       "resolved": "https://registry.npmjs.org/@knappi/grunt-saucelabs/-/grunt-saucelabs-9.0.2.tgz",
@@ -393,6 +542,21 @@
         "normalize-path": "^2.0.0"
       }
     },
+    "append-transform": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/append-transform/-/append-transform-1.0.0.tgz",
+      "integrity": "sha512-P009oYkeHyU742iSZJzZZywj4QRJdnTWffaKuJQLablCZ1uz6/cW4yaRgcDaoQ+uwOxxnt0gRUcwfsNP2ri0gw==",
+      "dev": true,
+      "requires": {
+        "default-require-extensions": "^2.0.0"
+      }
+    },
+    "archy": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
+      "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
+      "dev": true
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -676,6 +840,15 @@
         "try-resolve": "^1.0.0"
       },
       "dependencies": {
+        "minimatch": {
+          "version": "2.0.10",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-2.0.10.tgz",
+          "integrity": "sha1-jQh8OcazjAAbl/ynzm0OHoCvusc=",
+          "dev": true,
+          "requires": {
+            "brace-expansion": "^1.0.0"
+          }
+        },
         "source-map": {
           "version": "0.5.7",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
@@ -1120,6 +1293,18 @@
         }
       }
     },
+    "caching-transform": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/caching-transform/-/caching-transform-3.0.2.tgz",
+      "integrity": "sha512-Mtgcv3lh3U0zRii/6qVgQODdPA4G3zhG+jtbCWj39RXuUFTMzH0vcdMtaJS1jPowd+It2Pqr6y3NJMQqOqCE2w==",
+      "dev": true,
+      "requires": {
+        "hasha": "^3.0.0",
+        "make-dir": "^2.0.0",
+        "package-hash": "^3.0.0",
+        "write-file-atomic": "^2.4.2"
+      }
+    },
     "caller-callsite": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/caller-callsite/-/caller-callsite-2.0.0.tgz",
@@ -1462,6 +1647,12 @@
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.19.0.tgz",
       "integrity": "sha512-6tvAOO+D6OENvRAh524Dh9jcfKTYDQAqvqezbCW82xj5X0pSrcpxtvRKHLG0yBY6SD7PSDrJaj+0AiOcKVd1Xg=="
     },
+    "commondir": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
+      "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=",
+      "dev": true
+    },
     "commoner": {
       "version": "0.10.8",
       "resolved": "https://registry.npmjs.org/commoner/-/commoner-0.10.8.tgz",
@@ -1884,6 +2075,27 @@
         }
       }
     },
+    "cp-file": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/cp-file/-/cp-file-6.2.0.tgz",
+      "integrity": "sha512-fmvV4caBnofhPe8kOcitBwSn2f39QLjnAnGq3gO9dfd75mUytzKNZB1hde6QHunW2Rt+OwuBOMc3i1tNElbszA==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "make-dir": "^2.0.0",
+        "nested-error-stacks": "^2.0.0",
+        "pify": "^4.0.1",
+        "safe-buffer": "^5.0.1"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "dev": true
+        }
+      }
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -1991,6 +2203,23 @@
       "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
       "dev": true
     },
+    "default-require-extensions": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/default-require-extensions/-/default-require-extensions-2.0.0.tgz",
+      "integrity": "sha1-9fj7sYp9bVCyH2QfZJ67Uiz+JPc=",
+      "dev": true,
+      "requires": {
+        "strip-bom": "^3.0.0"
+      },
+      "dependencies": {
+        "strip-bom": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+          "dev": true
+        }
+      }
+    },
     "define-property": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/define-property/-/define-property-2.0.2.tgz",
@@ -2489,6 +2718,12 @@
         "is-arrayish": "^0.2.1"
       }
     },
+    "es6-error": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/es6-error/-/es6-error-4.1.1.tgz",
+      "integrity": "sha512-Um/+FxMr9CISWh0bi5Zv0iOD+4cFh5qLeks1qhAopKVAJw3drgKbKySikp7wGhDL0HPeaja0P5ULZrxLkniUVg==",
+      "dev": true
+    },
     "es6-promise": {
       "version": "4.2.8",
       "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.8.tgz",
@@ -2516,73 +2751,6 @@
       "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
       "dev": true
     },
-    "escodegen": {
-      "version": "1.7.1",
-      "resolved": "https://registry.npmjs.org/escodegen/-/escodegen-1.7.1.tgz",
-      "integrity": "sha1-MOz89mypjcZ80v0WKr626vqM5vw=",
-      "dev": true,
-      "requires": {
-        "esprima": "^1.2.2",
-        "estraverse": "^1.9.1",
-        "esutils": "^2.0.2",
-        "optionator": "^0.5.0",
-        "source-map": "~0.2.0"
-      },
-      "dependencies": {
-        "esprima": {
-          "version": "1.2.5",
-          "resolved": "https://registry.npmjs.org/esprima/-/esprima-1.2.5.tgz",
-          "integrity": "sha1-CZNQL+r2aBODJXVvMPmlH+7sEek=",
-          "dev": true
-        },
-        "estraverse": {
-          "version": "1.9.3",
-          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-1.9.3.tgz",
-          "integrity": "sha1-r2fy3JIlgkFZUJJgkaQAXSnJu0Q=",
-          "dev": true
-        },
-        "fast-levenshtein": {
-          "version": "1.0.7",
-          "resolved": "https://registry.npmjs.org/fast-levenshtein/-/fast-levenshtein-1.0.7.tgz",
-          "integrity": "sha1-AXjc3uAjuSkFGTrwlZ6KdjnP3Lk=",
-          "dev": true
-        },
-        "levn": {
-          "version": "0.2.5",
-          "resolved": "https://registry.npmjs.org/levn/-/levn-0.2.5.tgz",
-          "integrity": "sha1-uo0znQykphDjo/FFucr0iAcVUFQ=",
-          "dev": true,
-          "requires": {
-            "prelude-ls": "~1.1.0",
-            "type-check": "~0.3.1"
-          }
-        },
-        "optionator": {
-          "version": "0.5.0",
-          "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.5.0.tgz",
-          "integrity": "sha1-t1qJlaLUF98ltuTjhi9QqohlE2g=",
-          "dev": true,
-          "requires": {
-            "deep-is": "~0.1.2",
-            "fast-levenshtein": "~1.0.0",
-            "levn": "~0.2.5",
-            "prelude-ls": "~1.1.1",
-            "type-check": "~0.3.1",
-            "wordwrap": "~0.0.2"
-          }
-        },
-        "source-map": {
-          "version": "0.2.0",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
-          "integrity": "sha1-2rc/vPwrqBm03gO9b26qSBZLP50=",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "amdefine": ">=0.0.4"
-          }
-        }
-      }
-    },
     "eslint": {
       "version": "6.7.2",
       "resolved": "https://registry.npmjs.org/eslint/-/eslint-6.7.2.tgz",
@@ -3304,16 +3472,6 @@
       "integrity": "sha1-wcS5vuPglyXdsQa3XB4wH+LxiyY=",
       "dev": true
     },
-    "fileset": {
-      "version": "0.2.1",
-      "resolved": "https://registry.npmjs.org/fileset/-/fileset-0.2.1.tgz",
-      "integrity": "sha1-WI74lzxmI7KnbfRlEFaWuWqsgGc=",
-      "dev": true,
-      "requires": {
-        "glob": "5.x",
-        "minimatch": "2.x"
-      }
-    },
     "fill-range": {
       "version": "2.2.4",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-2.2.4.tgz",
@@ -3342,6 +3500,37 @@
         "unpipe": "~1.0.0"
       }
     },
+    "find-cache-dir": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-2.1.0.tgz",
+      "integrity": "sha512-Tq6PixE0w/VMFfCgbONnkiQIVol/JJL7nRMi20fqzA4NRs9AfeqMGeRdPi3wIhYkxjeBaWh2rxwapn5Tu3IqOQ==",
+      "dev": true,
+      "requires": {
+        "commondir": "^1.0.1",
+        "make-dir": "^2.0.0",
+        "pkg-dir": "^3.0.0"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+          "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
+          "dev": true,
+          "requires": {
+            "locate-path": "^3.0.0"
+          }
+        },
+        "pkg-dir": {
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     "spdx-correct": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.0.tgz",
@@ -9532,6 +10052,122 @@
       "integrity": "sha1-KcNXB8K3DlDQdIK10gLo7URtr9Q=",
       "dev": true
     },
+    "test-exclude": {
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-5.2.3.tgz",
+      "integrity": "sha512-M+oxtseCFO3EDtAaGH7iiej3CBkzXqFMbzqYAACdzKui4eZA+pq3tZEwChvOdNfa7xxy8BfbmgJSIr43cC/+2g==",
+      "dev": true,
+      "requires": {
+        "glob": "^7.1.3",
+        "minimatch": "^3.0.4",
+        "read-pkg-up": "^4.0.0",
+        "require-main-filename": "^2.0.0"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+          "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
+          "dev": true,
+          "requires": {
+            "locate-path": "^3.0.0"
+          }
+        },
+        "glob": {
+          "version": "7.1.6",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
+          "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "load-json-file": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-4.0.0.tgz",
+          "integrity": "sha1-L19Fq5HjMhYjT9U62rZo607AmTs=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^4.0.0",
+            "pify": "^3.0.0",
+            "strip-bom": "^3.0.0"
+          }
+        },
+        "minimatch": {
+          "version": "3.0.4",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+          "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+          "dev": true,
+          "requires": {
+            "brace-expansion": "^1.1.7"
+          }
+        },
+        "parse-json": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
+          "integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
+          "dev": true,
+          "requires": {
+            "error-ex": "^1.3.1",
+            "json-parse-better-errors": "^1.0.1"
+          }
+        },
+        "path-type": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
+          "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
+          "dev": true,
+          "requires": {
+            "pify": "^3.0.0"
+          }
+        },
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+          "dev": true
+        },
+        "read-pkg": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-3.0.0.tgz",
+          "integrity": "sha1-nLxoaXj+5l0WwA4rGcI3/Pbjg4k=",
+          "dev": true,
+          "requires": {
+            "load-json-file": "^4.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^3.0.0"
+          }
+        },
+        "read-pkg-up": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-4.0.0.tgz",
+          "integrity": "sha512-6etQSH7nJGsK0RbG/2TeDzZFa8shjQ1um+SwQQ5cwKy0dhSXdOncEhb1CPpvQG4h7FyOV6EB6YlV0yJvZQNAkA==",
+          "dev": true,
+          "requires": {
+            "find-up": "^3.0.0",
+            "read-pkg": "^3.0.0"
+          }
+        },
+        "require-main-filename": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-2.0.0.tgz",
+          "integrity": "sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==",
+          "dev": true
+        },
+        "strip-bom": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+          "dev": true
+        }
+      }
+    },
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
@@ -9916,38 +10552,15 @@
       }
     },
     "union-value": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.0.tgz",
-      "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
+      "integrity": "sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==",
       "dev": true,
       "requires": {
         "arr-union": "^3.1.0",
         "get-value": "^2.0.6",
         "is-extendable": "^0.1.1",
-        "set-value": "^0.4.3"
-      },
-      "dependencies": {
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "dev": true,
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        },
-        "set-value": {
-          "version": "0.4.3",
-          "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
-          "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-extendable": "^0.1.1",
-            "is-plain-object": "^2.0.1",
-            "to-object-path": "^0.3.0"
-          }
-        }
+        "set-value": "^2.0.1"
       }
     },
     "universalify": {
@@ -10453,6 +11066,17 @@
         "mkdirp": "^0.5.1"
       }
     },
+    "write-file-atomic": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.3.tgz",
+      "integrity": "sha512-GaETH5wwsX+GcnzhPgKcKjJ6M2Cq3/iZp1WyY/X1CSqrW+jVNM9Y7D8EC2sM4ZG/V8wZlSniJnCKWPmBYAucRQ==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.11",
+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.2"
+      }
+    },
     "xml2js": {
       "version": "0.4.19",
       "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.19.tgz",
@@ -10481,6 +11105,12 @@
       "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
       "dev": true
     },
+    "yallist": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+      "dev": true
+    },
     "yargs": {
       "version": "3.27.0",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.27.0.tgz",
diff --git a/package.json b/package.json
index 9ce188bb..6c8ca555 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "eslint-config-prettier": "^6.7.0",
     "eslint-plugin-compat": "^3.3.0",
     "eslint-plugin-es5": "^1.4.1",
-    "grunt": "^1.0.3",
+    "grunt": "^1.0.4",
     "grunt-babel": "^5.0.0",
     "grunt-bg-shell": "^2.3.3",
     "grunt-cli": "^1",
@@ -57,12 +57,12 @@
     "grunt-contrib-watch": "^1.1.0",
     "grunt-webpack": "^1.0.8",
     "husky": "^3.1.0",
-    "istanbul": "^0.3.0",
     "jison": "~0.3.0",
     "lint-staged": "^9.5.0",
     "mocha": "^5",
     "mock-stdin": "^0.3.0",
     "mustache": "^2.1.3",
+    "nyc": "^14.1.1",
     "prettier": "^1.19.1",
     "semver": "^5.0.1",
     "sinon": "^7.5.0",
diff --git a/spec/builtins.js b/spec/builtins.js
index d6bc2986..c74092e1 100644
--- a/spec/builtins.js
+++ b/spec/builtins.js
@@ -710,6 +710,23 @@ describe('builtin helpers', function() {
       shouldCompileTo(string, hash, '');
       equals(true, called);
     });
+
+    it('should pass zero log arguments', function() {
+      var string = '{{log}}';
+      var hash = { blah: 'whee' };
+      var called;
+
+      console.info = console.log = function() {
+        expect(arguments.length).to.equal(0);
+        called = true;
+        console.log = $log;
+      };
+
+      expectTemplate(string)
+        .withInput(hash)
+        .toCompileTo('');
+      expect(called).to.be.true();
+    });
     /* eslint-enable no-console */
   });
 
diff --git a/tasks/test-mocha.js b/tasks/test-mocha.js
index 445a88cf..b412c8c0 100644
--- a/tasks/test-mocha.js
+++ b/tasks/test-mocha.js
@@ -1,5 +1,6 @@
 const { execNodeJsScriptWithInheritedOutput } = require('./util/exec-file');
 const { createRegisterAsyncTaskFn } = require('./util/async-grunt-task');
+const nodeJs = process.argv0;
 
 module.exports = function(grunt) {
   const registerAsyncTask = createRegisterAsyncTaskFn(grunt);
@@ -9,10 +10,8 @@ module.exports = function(grunt) {
   );
 
   registerAsyncTask('test:cov', async () =>
-    execNodeJsScriptWithInheritedOutput('node_modules/istanbul/lib/cli.js', [
-      'cover',
-      '--source-map',
-      '--',
+    execNodeJsScriptWithInheritedOutput('node_modules/nyc/bin/nyc', [
+      nodeJs,
       './spec/env/runner.js'
     ])
   );
@@ -20,17 +19,4 @@ module.exports = function(grunt) {
   registerAsyncTask('test:min', async () =>
     execNodeJsScriptWithInheritedOutput('./spec/env/runner', ['--min'])
   );
-
-  registerAsyncTask('test:check-cov', async () =>
-    execNodeJsScriptWithInheritedOutput('node_modules/istanbul/lib/cli.js', [
-      'check-coverage',
-      '--statements',
-      '100',
-      '--functions',
-      '100',
-      '--branches',
-      '100',
-      '--lines 100'
-    ])
-  );
 };