change-case - npm Package Compare versions

Comparing version 5.2.0 to 5.3.0

dist/index.d.ts

@@ -19,2 +19,3 @@ /**
     prefixCharacters?: string;
+    suffixCharacters?: string;
 }
@@ -30,3 +31,3 @@ /**
  */
-export declare function split(input: string, options?: SplitOptions): string[];
+export declare function split(value: string, options?: SplitOptions): string[];
 /**
@@ -33,0 +34,0 @@ * Convert a string to space separated lower case (`foo bar`).

dist/index.js

@@ -11,8 +11,8 @@ // Regexps involved with splitting words in various case formats.
 // The default characters to keep after transforming case.
-const DEFAULT_PREFIX_CHARACTERS = "";
+const DEFAULT_PREFIX_SUFFIX_CHARACTERS = "";
 /**
  * Split any cased input strings into an array of words.
  */
-export function split(input, options) {
-    let result = input.trim();
+export function split(value, options) {
+    let result = value.trim();
     result = result
@@ -42,7 +42,8 @@ .replace(SPLIT_LOWER_UPPER_RE, SPLIT_REPLACE_VALUE)
 export function noCase(input, options) {
-    const prefix = getPrefix(input, options?.prefixCharacters);
+    const [prefix, value, suffix] = splitPrefixSuffix(input, options);
     return (prefix +
-        split(input, options)
+        split(value, options)
             .map(lowerFactory(options?.locale))
-            .join(options?.delimiter ?? " "));
+            .join(options?.delimiter ?? " ") +
+        suffix);
 }
@@ -53,3 +54,3 @@ /**
 export function camelCase(input, options) {
-    const prefix = getPrefix(input, options?.prefixCharacters);
+    const [prefix, value, suffix] = splitPrefixSuffix(input, options);
     const lower = lowerFactory(options?.locale);
@@ -61,3 +62,3 @@ const upper = upperFactory(options?.locale);
     return (prefix +
-        split(input, options)
+        split(value, options)
             .map((word, index) => {
@@ -68,3 +69,4 @@ if (index === 0)
         })
-            .join(options?.delimiter ?? ""));
+            .join(options?.delimiter ?? "") +
+        suffix);
 }
@@ -75,3 +77,3 @@ /**
 export function pascalCase(input, options) {
-    const prefix = getPrefix(input, options?.prefixCharacters);
+    const [prefix, value, suffix] = splitPrefixSuffix(input, options);
     const lower = lowerFactory(options?.locale);
@@ -83,5 +85,6 @@ const upper = upperFactory(options?.locale);
     return (prefix +
-        split(input, options)
+        split(value, options)
             .map(transform)
-            .join(options?.delimiter ?? ""));
+            .join(options?.delimiter ?? "") +
+        suffix);
 }
@@ -98,9 +101,10 @@ /**
 export function capitalCase(input, options) {
-    const prefix = getPrefix(input, options?.prefixCharacters);
+    const [prefix, value, suffix] = splitPrefixSuffix(input, options);
     const lower = lowerFactory(options?.locale);
     const upper = upperFactory(options?.locale);
     return (prefix +
-        split(input, options)
+        split(value, options)
             .map(capitalCaseTransformFactory(lower, upper))
-            .join(options?.delimiter ?? " "));
+            .join(options?.delimiter ?? " ") +
+        suffix);
 }
@@ -111,7 +115,8 @@ /**
 export function constantCase(input, options) {
-    const prefix = getPrefix(input, options?.prefixCharacters);
+    const [prefix, value, suffix] = splitPrefixSuffix(input, options);
     return (prefix +
-        split(input, options)
+        split(value, options)
             .map(upperFactory(options?.locale))
-            .join(options?.delimiter ?? "_"));
+            .join(options?.delimiter ?? "_") +
+        suffix);
 }
@@ -140,3 +145,3 @@ /**
 export function sentenceCase(input, options) {
-    const prefix = getPrefix(input, options?.prefixCharacters);
+    const [prefix, value, suffix] = splitPrefixSuffix(input, options);
     const lower = lowerFactory(options?.locale);
@@ -146,3 +151,3 @@ const upper = upperFactory(options?.locale);
     return (prefix +
-        split(input, options)
+        split(value, options)
             .map((word, index) => {
@@ -153,3 +158,4 @@ if (index === 0)
         })
-            .join(options?.delimiter ?? " "));
+            .join(options?.delimiter ?? " ") +
+        suffix);
 }
@@ -188,15 +194,26 @@ /**
 }
-function getPrefix(input, prefixCharacters = DEFAULT_PREFIX_CHARACTERS) {
-    let prefix = "";
-    for (let i = 0; i < input.length; i++) {
-        const char = input.charAt(i);
-        if (prefixCharacters.includes(char)) {
-            prefix += char;
-        }
-        else {
+function splitPrefixSuffix(input, options) {
+    const prefixCharacters = options?.prefixCharacters ?? DEFAULT_PREFIX_SUFFIX_CHARACTERS;
+    const suffixCharacters = options?.suffixCharacters ?? DEFAULT_PREFIX_SUFFIX_CHARACTERS;
+    let prefixIndex = 0;
+    let suffixIndex = input.length;
+    while (prefixIndex < input.length) {
+        const char = input.charAt(prefixIndex);
+        if (!prefixCharacters.includes(char))
             break;
-        }
+        prefixIndex++;
     }
-    return prefix;
+    while (suffixIndex > prefixIndex) {
+        const index = suffixIndex - 1;
+        const char = input.charAt(index);
+        if (!suffixCharacters.includes(char))
+            break;
+        suffixIndex = index;
+    }
+    return [
+        input.slice(0, prefixIndex),
+        input.slice(prefixIndex, suffixIndex),
+        input.slice(suffixIndex),
+    ];
 }
 //# sourceMappingURL=index.js.map

package.json

 {
   "name": "change-case",
-  "version": "5.2.0",
+  "version": "5.3.0",
   "description": "Transform a string between `camelCase`, `PascalCase`, `Capital Case`, `snake_case`, `kebab-case`, `CONSTANT_CASE` and others",
@@ -5,0 +5,0 @@ "keywords": [

README.md

@@ -42,2 +42,3 @@ # Change Case
 - `prefixCharacters?: string` Retain at the beginning of the string. Defaults to `""`. Example: use `"_"` to keep the underscores in `__typename`.
+- `suffixCharacters?: string` Retain at the end of the string. Defaults to `""`. Example: use `"_"` to keep the underscore in `type_`.
 
@@ -44,0 +45,0 @@ By default, `pascalCase` and `snakeCase` separate ambiguous characters with `_`. For example, `V1.2` would become `V1_2` instead of `V12`. If you prefer them merged you can set `mergeAmbiguousCharacters` to `true`.

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Improved metrics

Total package byte prevSize

34335

increased by6.55%

Lines of code

324

increased by5.88%

Number of lines in readme file

79

increased by1.28%

No dependency changes