@ark/util - npm Package Compare versions

Comparing version 0.25.0 to 0.26.0

out/numbers.d.ts

@@ -7,10 +7,2 @@ export type Digit = 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9;
 /**
- * The goal of the number literal and bigint literal regular expressions is to:
- *
- *   1. Ensure definitions form a bijection with the values they represent.
- *   2. Attempt to mirror TypeScript's own format for stringification of numeric
- *      values such that the regex should match a given definition if any only if
- *      a precise literal type will be inferred (in TS4.8+).
- */
-/**
  *  Matches a well-formatted numeric expression according to the following rules:
@@ -24,2 +16,9 @@ *    1. Must include an integer portion (i.e. '.321' must be written as '0.321')
 export declare const isWellFormedNumber: RegExp["test"];
+/**
+ * Similar to wellFormedNumber but more permissive in the following ways:
+ *
+ *  - Allows numbers without an integer portion like ".5" (well-formed equivalent is "0.5")
+ *  - Allows decimals with trailing zeroes like "0.10" (well-formed equivalent is "0.1")
+ */
+export declare const numericStringMatcher: RegExp;
 export declare const numberLikeMatcher: RegExp;
@@ -26,0 +25,0 @@ /**

out/numbers.js

 import { throwParseError } from "./errors.js";
+import { anchoredRegex, RegexPatterns } from "./strings.js";
 /**
@@ -10,2 +11,13 @@ * The goal of the number literal and bigint literal regular expressions is to:
  */
+const anchoredNegativeZeroPattern = /^-0\.?0*$/.source;
+const positiveIntegerPattern = /[1-9]\d*/.source;
+const looseDecimalPattern = /\.\d+/.source;
+const strictDecimalPattern = /\.\d*[1-9]/.source;
+const createNumberMatcher = (opts) => anchoredRegex(RegexPatterns.negativeLookahead(anchoredNegativeZeroPattern) +
+    RegexPatterns.nonCapturingGroup("-?" +
+        RegexPatterns.nonCapturingGroup(RegexPatterns.nonCapturingGroup("0|" + positiveIntegerPattern) +
+            RegexPatterns.nonCapturingGroup(opts.decimalPattern) +
+            "?") +
+        (opts.allowDecimalOnly ? "" : "|" + opts.decimalPattern) +
+        "?"));
 /**
@@ -18,4 +30,17 @@ *  Matches a well-formatted numeric expression according to the following rules:
  */
-export const wellFormedNumberMatcher = /^(?!^-0$)-?(?:0|[1-9]\d*)(?:\.\d*[1-9])?$/;
+export const wellFormedNumberMatcher = createNumberMatcher({
+    decimalPattern: strictDecimalPattern,
+    allowDecimalOnly: false
+});
 export const isWellFormedNumber = wellFormedNumberMatcher.test.bind(wellFormedNumberMatcher);
+/**
+ * Similar to wellFormedNumber but more permissive in the following ways:
+ *
+ *  - Allows numbers without an integer portion like ".5" (well-formed equivalent is "0.5")
+ *  - Allows decimals with trailing zeroes like "0.10" (well-formed equivalent is "0.1")
+ */
+export const numericStringMatcher = createNumberMatcher({
+    decimalPattern: looseDecimalPattern,
+    allowDecimalOnly: true
+});
 export const numberLikeMatcher = /^-?\d*\.?\d*$/;
@@ -28,3 +53,5 @@ const isNumberLike = (s) => s.length !== 0 && numberLikeMatcher.test(s);
  */
-export const wellFormedIntegerMatcher = /^(?:0|(?:-?[1-9]\d*))$/;
+export const wellFormedIntegerMatcher = anchoredRegex(RegexPatterns.negativeLookahead("^-0$") +
+    "-?" +
+    RegexPatterns.nonCapturingGroup(RegexPatterns.nonCapturingGroup("0|" + positiveIntegerPattern)));
 export const isWellFormedInteger = wellFormedIntegerMatcher.test.bind(wellFormedIntegerMatcher);
@@ -31,0 +58,0 @@ export const integerLikeMatcher = /^-?\d+$/;

out/records.d.ts

@@ -5,2 +5,3 @@ import type { array } from "./arrays.ts";
 import type { Key } from "./keys.ts";
+import type { intersectUnion } from "./unionToTuple.ts";
 export type Dict<k extends string = string, v = unknown> = {
@@ -22,2 +23,5 @@ readonly [_ in k]: v;
 }>;
+export type unionToPropwiseXor<props extends object, branchKey extends PropertyKey = keyof intersectUnion<props>> = props extends infer distributed ? show<distributed & {
+    [k in branchKey]?: k extends keyof distributed ? unknown : undefined;
+}> : never;
 export type requireKeys<o, key extends keyof o> = o & {
@@ -24,0 +28,0 @@ [requiredKey in key]-?: defined<o[requiredKey]>;

out/registry.d.ts

@@ -1,2 +0,2 @@
-export declare const arkUtilVersion = "0.25.0";
+export declare const arkUtilVersion = "0.26.0";
 export declare const initialRegistryContents: {
@@ -3,0 +3,0 @@ version: string;

out/registry.js

@@ -8,3 +8,3 @@ import { domainOf } from "./domain.js";
 // For now, we assert this matches the package.json version via a unit test.
-export const arkUtilVersion = "0.25.0";
+export const arkUtilVersion = "0.26.0";
 export const initialRegistryContents = {
@@ -11,0 +11,0 @@ version: arkUtilVersion,

out/strings.d.ts

@@ -11,2 +11,6 @@ export declare const capitalize: <s extends string>(s: s) => Capitalize<s>;
 export declare const deanchoredSource: (regex: RegExp | string) => string;
+export declare const RegexPatterns: {
+    negativeLookahead: (pattern: string) => `(?!${string})`;
+    nonCapturingGroup: (pattern: string) => `(?:${string})`;
+};
 export declare const escapeChar = "\\";
@@ -13,0 +17,0 @@ export type EscapeChar = typeof escapeChar;

out/strings.js

@@ -15,2 +15,6 @@ export const capitalize = (s) => (s[0].toUpperCase() + s.slice(1));
 };
+export const RegexPatterns = {
+    negativeLookahead: (pattern) => `(?!${pattern})`,
+    nonCapturingGroup: (pattern) => `(?:${pattern})`
+};
 export const escapeChar = "\\";
@@ -17,0 +21,0 @@ export const whitespaceChars = {

package.json

 {
   "name": "@ark/util",
-  "version": "0.25.0",
+  "version": "0.26.0",
   "license": "MIT",
@@ -5,0 +5,0 @@ "author": {

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Improved metrics

Total package byte prevSize

103501

increased by1.8%

Lines of code

2268

increased by1.7%

No dependency changes