jest-diff - npm Package Compare versions

Comparing version 15.1.0 to 15.2.0-alpha.c681f819

build/constants.js

@@ -15,3 +15,8 @@ /**
 
-module.exports.NO_DIFF_MESSAGE =
-chalk.dim.underline('Compared values have no visual difference');
+exports.NO_DIFF_MESSAGE =
+chalk.dim('Compared values have no visual difference.');
+
+exports.SIMILAR_MESSAGE =
+chalk.dim(
+'Compared values serialize to the same structure.\n' +
+'Printing internal object structure without calling `toJSON` instead.');

build/diffStrings.js

@@ -43,3 +43,3 @@ /**
     chalk.red :
-    part.removed ? chalk.green : chalk.white;
+    part.removed ? chalk.green : chalk.dim;
 
@@ -46,0 +46,0 @@ if (lines[lines.length - 1] === '') {

build/index.js

@@ -21,7 +21,18 @@ /**
 require('jest-matcher-utils');const getType = _require.getType;
-const prettyFormat = require('pretty-format');
+const prettyFormat = require('pretty-format');var _require2 =
 
-const jsxLikePlugins = [ReactTestComponentPlugin, ReactElementPlugin];
-const NO_DIFF_MESSAGE = require('./constants').NO_DIFF_MESSAGE;
 
+
+
+require('./constants');const NO_DIFF_MESSAGE = _require2.NO_DIFF_MESSAGE;const SIMILAR_MESSAGE = _require2.SIMILAR_MESSAGE;
+
+const PLUGINS = [ReactTestComponentPlugin, ReactElementPlugin];
+const FORMAT_OPTIONS = {
+  plugins: PLUGINS };
+
+const FALLBACK_FORMAT_OPTIONS = {
+  callToJSON: false,
+  plugins: PLUGINS };
+
+
 // Generate a string that will highlight the difference between two values
@@ -53,9 +64,31 @@ // with green and red. (similar to how github does code diffing)
     default:
-      return diffStrings(
-      prettyFormat(a, { plugins: jsxLikePlugins }, options),
-      prettyFormat(b, { plugins: jsxLikePlugins }, options));}
+      let diffMessage;
+      let hasThrown = false;
 
+      try {
+        diffMessage = diffStrings(
+        prettyFormat(a, FORMAT_OPTIONS),
+        prettyFormat(b, FORMAT_OPTIONS),
+        options);
 
+      } catch (e) {
+        hasThrown = true;
+      }
+
+      // If the comparison yields no results, compare again but this time
+      // without calling `toJSON`. It's also possible that toJSON might throw.
+      if (!diffMessage || diffMessage === NO_DIFF_MESSAGE) {
+        diffMessage = diffStrings(
+        prettyFormat(a, FALLBACK_FORMAT_OPTIONS),
+        prettyFormat(b, FALLBACK_FORMAT_OPTIONS),
+        options);
+
+        if (diffMessage !== NO_DIFF_MESSAGE && !hasThrown) {
+          diffMessage = SIMILAR_MESSAGE + '\n\n' + diffMessage;
+        }
+      }
+      return diffMessage;}
+
 }
 
 module.exports = diff;

package.json

 {
   "name": "jest-diff",
-  "version": "15.1.0",
+  "version": "15.2.0-alpha.c681f819",
   "repository": {
@@ -13,4 +13,4 @@ "type": "git",
     "diff": "^3.0.0",
-    "jest-matcher-utils": "^15.1.0",
-    "pretty-format": "^3.7.0"
+    "jest-matcher-utils": "^15.2.0-alpha.c681f819",
+    "pretty-format": "~4.2.1"
   },
@@ -17,0 +17,0 @@ "scripts": {

New alerts

No v1

Quality

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

5353

increased by23.51%

Lines of code

130

increased by27.45%

Worsened metrics

Number of low quality alerts

2

increased by100%

Dependency changes

• + Addedjest-matcher-utils@15.2.0-alpha.c681f819(transitive)

• + Addedpretty-format@4.2.3(transitive)

• - Removedjest-matcher-utils@15.1.0(transitive)

• - Removedpretty-format@3.8.0(transitive)

• Updatedjest-matcher-utils@^15.2.0-alpha.c681f819

• Updatedpretty-format@~4.2.1