compressed-json - npm Package Compare versions

Comparing version 1.0.14 to 1.0.15

example/example-compressed.json

@@ -6,3 +6,3 @@ {
       {
-        "2": 1,
+        "2": 100,
         "3": "Dog",
@@ -15,3 +15,3 @@ "4": "This is desc of dog",
       {
-        "2": 1,
+        "2": 101,
         "3": "Cat",
@@ -18,0 +18,0 @@ "4": "This is desc of cat",

example/example-src.json

@@ -5,3 +5,3 @@ {
     {
-      "id": 1,
+      "id": 100,
       "name": "Dog",
@@ -12,3 +12,3 @@ "desc": "This is desc of dog",
     {
-      "id": 1,
+      "id": 101,
       "name": "Cat",
@@ -15,0 +15,0 @@ "desc": "This is desc of cat",

example/usage.js

@@ -10,4 +10,3 @@ 'use strict'
 // Convert json string
-
 const compressedString = cjson.compress.toString({ /* Some large json */ })
 const restoredFromString = cjson.decompress.fromString(compressedString)

lib/decompress.js

@@ -0,1 +1,7 @@
+
+'use strict'
+
+const stringConverter = require('./converters/stringConverter')
+const RADIX = 36
+
 /**
@@ -7,7 +13,2 @@ * @memberof module:compressed-json
  */
-'use strict'
-
-const stringConverter = require('./converters/stringConverter')
-
-/** @lends module:compressed-json.decompress */
 function decompress (compressed, options = {}) {
@@ -26,3 +27,3 @@ const {
     if (stringConverter.isPointer(value)) {
-      const index = stringConverter.fromPointer(value)
+      const index = parseInt(stringConverter.fromPointer(value), RADIX)
       return pointers[index]
@@ -50,3 +51,3 @@ }
           const value = values[shortKey]
-          const key = keys[parseInt(shortKey, 36)]
+          const key = keys[parseInt(shortKey, RADIX)]
           decompressed[key] = convert(value, { keyPath: [keyPath, shortKey].join('/') })
@@ -53,0 +54,0 @@ }

package.json

 {
   "name": "compressed-json",
-  "version": "1.0.14",
+  "version": "1.0.15",
   "description": "String base JSON compressor",
@@ -5,0 +5,0 @@ "main": "lib",

README.md

@@ -33,3 +33,2 @@ # compressed-json
 // Convert json string
-
 const compressedString = cjson.compress.toString({ /* Some large json */ })
@@ -56,3 +55,3 @@ const restoredFromString = cjson.decompress.fromString(compressedString)
     {
-      "id": 1,
+      "id": 100,
       "name": "Dog",
@@ -63,3 +62,3 @@ "desc": "This is desc of dog",
     {
-      "id": 1,
+      "id": 101,
       "name": "Cat",
@@ -88,3 +87,3 @@ "desc": "This is desc of cat",
       {
-        "2": 1,
+        "2": 100,
         "3": "Dog",
@@ -97,3 +96,3 @@ "4": "This is desc of dog",
       {
-        "2": 1,
+        "2": 101,
         "3": "Cat",
@@ -133,5 +132,5 @@ "4": "This is desc of cat",
 | --- | ----------- |
-| `K` | Array of original keys |
-| `P` | Pointed string values |
-| `_` | Compressed payload |
+| `K` | Array of original keys. Object keys are replaced with index of `K` in the compressed json |
+| `P` | Pointed string values. Values are replaced with index of `P` in the compressed json |
+| `_` | Compressed payload. Keeps original structure, but keys and values may be replaced with pointers to `K` or `P` |
 
@@ -145,2 +144,4 @@
 
+The more same key appears in original json, the more better compression.
+
 <a name="string-value-pointing-logic" />
@@ -151,1 +152,3 @@
 String values appeared at least two will replaced with pointer string with contains index of array stored in `P` of compressed JSON.
+
+The more same string value appears in original json, the more better compression.

shim/decompress.js

@@ -1,7 +0,1 @@
-/**
- * @memberof module:compressed-json
- * @function decompress
- * @param {Object} compressed
- * @param {Object} [options={}] - Optional settings
- */
 'use strict';
@@ -20,4 +14,10 @@
 import stringConverter from './converters/stringConverter';
-/** @lends module:compressed-json.decompress */
 
+var RADIX = 36;
+/**
+ * @memberof module:compressed-json
+ * @function decompress
+ * @param {Object} compressed
+ * @param {Object} [options={}] - Optional settings
+ */
 
@@ -45,3 +45,3 @@ function decompress(compressed) {
     if (stringConverter.isPointer(value)) {
-      var index = stringConverter.fromPointer(value);
+      var index = parseInt(stringConverter.fromPointer(value), RADIX);
       return pointers[index];
@@ -87,3 +87,3 @@ }
             var value = values[shortKey];
-            var key = keys[parseInt(shortKey, 36)];
+            var key = keys[parseInt(shortKey, RADIX)];
             decompressed[key] = convert(value, {
@@ -114,2 +114,2 @@ keyPath: [keyPath, shortKey].join('/')
 export default decompress;
-//# sourceMappingURL=data:application/json;charset=utf-8;base64,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+//# 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test/indexTest.js

@@ -171,4 +171,12 @@ /**
   })
+
+  it('With large keys', () => {
+    const { decompress } = index
+    const compressed = require('../misc/mocks/large-data')
+    const { reservedKeys, reservedValues } = require('../misc/mocks/large-reserved')
+    const decompressed = decompress(compressed, { reservedKeys, reservedValues })
+    equal(decompressed.trail.beacons[0].type, 'home')
+  })
 })
 
 /* global describe, it */

No alert changes

Improved metrics

Total package byte prevSize

104675

7.69%

Lines of code

872

0.81%

Number of lines in readme file

147

2.08%

No dependency changes