base-conv - npm Package Compare versions

Comparing version 2.0.0 to 2.0.1

index.js

@@ -1,2 +0,2 @@
-const DEFAULT_CHARSET = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_';
+const DEFAULT_ALPHABET = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_';
 
@@ -7,10 +7,12 @@ // inspired from https://codegolf.stackexchange.com/questions/1620/arbitrary-base-conversion/21672#21672
  * Convert a string or number from srcRadix to dstRadix
- * @param {string?} alphabet
+ * @param {string} [inputAlphabet=DEFAULT_ALPHABET] alphabet of the input string
+ * @param {string} [outputAlphabet=DEFAULT_ALPHABET] alphabet to buse for the output string
  * @returns {(input: string | number, inputBase?: number, outputBase?: number) => string}
  */
-function BaseConv(charset = DEFAULT_CHARSET) {
-  const charsetMap = new Map(Array.from(charset, (s, i) => [s, i])); // char => position map, to avoid calling a O(n) indexOf
+function BaseConv(inputAlphabet = DEFAULT_ALPHABET, outputAlphabet = inputAlphabet) {
+  // char => position map, to avoid calling a O(n) indexOf
+  const inputAlphabetMap = new Map(Array.from(inputAlphabet, (s, i) => [s, i]));
 
-  return (_str = '', inputBase = 10, outputBase = charset.length) => {
-    if (outputBase > charset.length) throw new Error(`dst radix exceeds current charset length (${charset.length})`);
+  return (_str = '', inputBase = 10, outputBase = outputAlphabet.length) => {
+    if (outputBase > outputAlphabet.length) throw new Error(`Output radix exceeds the output alphabet length (${outputAlphabet.length})`);
 
@@ -20,3 +22,3 @@ const res = [];
     const s = inputBase <= 36 ? str.toLowerCase() : str;
-    let nums = Array.from(s, x => charsetMap.get(x));
+    let nums = Array.from(s, x => inputAlphabetMap.get(x));
 
@@ -45,3 +47,3 @@ while (nums.length) {
     return res.reverse()
-      .map(x => charset[x])
+      .map(x => outputAlphabet[x])
       .join('');
@@ -48,0 +50,0 @@ };

package.json

 {
   "name": "base-conv",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "Convert arbitrarily large numbers from any radix representation to any other",
@@ -10,3 +10,3 @@ "main": "index.js",
   },
-  "repository": "github:caub/base-conv",
+  "repository": "github:caub/baseconv",
   "keywords": [
@@ -21,5 +21,5 @@ "number",
   "bugs": {
-    "url": "https://github.com/caub/base-conv/issues"
+    "url": "https://github.com/caub/baseconv/issues"
   },
-  "homepage": "https://github.com/caub/base-conv#readme",
+  "homepage": "https://github.com/caub/baseconv#readme",
   "devDependencies": {
@@ -26,0 +26,0 @@ "codecov": "^3.2.0",

README.md

@@ -7,4 +7,4 @@ # radix conversion
 
-- default charset is `'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_'`
-- you can change it by passing a chartset to the `BaseConv` exported function
+- default alphabet is `'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_'` for input and output
+- you can change it by passing different alphabets to the `BaseConv` exported function
 - no IEEE-754 limitation
@@ -11,0 +11,0 @@

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Improved metrics

Total package byte prevSize

4748

increased by5.96%

Lines of code

71

increased by2.9%

No dependency changes