Refactor routing in App component to enhance navigation and improve error handling by integrating dynamic routes and updating the NotFound route.

node_modules/micromark-util-character/index.js

@@ -0,0 +1,246 @@
+/**
+ * @import {Code} from 'micromark-util-types'
+ */
+
+/**
+ * Check whether the character code represents an ASCII alpha (`a` through `z`,
+ * case insensitive).
+ *
+ * An **ASCII alpha** is an ASCII upper alpha or ASCII lower alpha.
+ *
+ * An **ASCII upper alpha** is a character in the inclusive range U+0041 (`A`)
+ * to U+005A (`Z`).
+ *
+ * An **ASCII lower alpha** is a character in the inclusive range U+0061 (`a`)
+ * to U+007A (`z`).
+ *
+ * @param code
+ *   Code.
+ * @returns {boolean}
+ *   Whether it matches.
+ */
+export const asciiAlpha = regexCheck(/[A-Za-z]/);
+
+/**
+ * Check whether the character code represents an ASCII alphanumeric (`a`
+ * through `z`, case insensitive, or `0` through `9`).
+ *
+ * An **ASCII alphanumeric** is an ASCII digit (see `asciiDigit`) or ASCII alpha
+ * (see `asciiAlpha`).
+ *
+ * @param code
+ *   Code.
+ * @returns {boolean}
+ *   Whether it matches.
+ */
+export const asciiAlphanumeric = regexCheck(/[\dA-Za-z]/);
+
+/**
+ * Check whether the character code represents an ASCII atext.
+ *
+ * atext is an ASCII alphanumeric (see `asciiAlphanumeric`), or a character in
+ * the inclusive ranges U+0023 NUMBER SIGN (`#`) to U+0027 APOSTROPHE (`'`),
+ * U+002A ASTERISK (`*`), U+002B PLUS SIGN (`+`), U+002D DASH (`-`), U+002F
+ * SLASH (`/`), U+003D EQUALS TO (`=`), U+003F QUESTION MARK (`?`), U+005E
+ * CARET (`^`) to U+0060 GRAVE ACCENT (`` ` ``), or U+007B LEFT CURLY BRACE
+ * (`{`) to U+007E TILDE (`~`).
+ *
+ * See:
+ * **\[RFC5322]**:
+ * [Internet Message Format](https://tools.ietf.org/html/rfc5322).
+ * P. Resnick.
+ * IETF.
+ *
+ * @param code
+ *   Code.
+ * @returns {boolean}
+ *   Whether it matches.
+ */
+export const asciiAtext = regexCheck(/[#-'*+\--9=?A-Z^-~]/);
+
+/**
+ * Check whether a character code is an ASCII control character.
+ *
+ * An **ASCII control** is a character in the inclusive range U+0000 NULL (NUL)
+ * to U+001F (US), or U+007F (DEL).
+ *
+ * @param {Code} code
+ *   Code.
+ * @returns {boolean}
+ *   Whether it matches.
+ */
+export function asciiControl(code) {
+  return (
+    // Special whitespace codes (which have negative values), C0 and Control
+    // character DEL
+    code !== null && (code < 32 || code === 127)
+  );
+}
+
+/**
+ * Check whether the character code represents an ASCII digit (`0` through `9`).
+ *
+ * An **ASCII digit** is a character in the inclusive range U+0030 (`0`) to
+ * U+0039 (`9`).
+ *
+ * @param code
+ *   Code.
+ * @returns {boolean}
+ *   Whether it matches.
+ */
+export const asciiDigit = regexCheck(/\d/);
+
+/**
+ * Check whether the character code represents an ASCII hex digit (`a` through
+ * `f`, case insensitive, or `0` through `9`).
+ *
+ * An **ASCII hex digit** is an ASCII digit (see `asciiDigit`), ASCII upper hex
+ * digit, or an ASCII lower hex digit.
+ *
+ * An **ASCII upper hex digit** is a character in the inclusive range U+0041
+ * (`A`) to U+0046 (`F`).
+ *
+ * An **ASCII lower hex digit** is a character in the inclusive range U+0061
+ * (`a`) to U+0066 (`f`).
+ *
+ * @param code
+ *   Code.
+ * @returns {boolean}
+ *   Whether it matches.
+ */
+export const asciiHexDigit = regexCheck(/[\dA-Fa-f]/);
+
+/**
+ * Check whether the character code represents ASCII punctuation.
+ *
+ * An **ASCII punctuation** is a character in the inclusive ranges U+0021
+ * EXCLAMATION MARK (`!`) to U+002F SLASH (`/`), U+003A COLON (`:`) to U+0040 AT
+ * SIGN (`@`), U+005B LEFT SQUARE BRACKET (`[`) to U+0060 GRAVE ACCENT
+ * (`` ` ``), or U+007B LEFT CURLY BRACE (`{`) to U+007E TILDE (`~`).
+ *
+ * @param code
+ *   Code.
+ * @returns {boolean}
+ *   Whether it matches.
+ */
+export const asciiPunctuation = regexCheck(/[!-/:-@[-`{-~]/);
+
+/**
+ * Check whether a character code is a markdown line ending.
+ *
+ * A **markdown line ending** is the virtual characters M-0003 CARRIAGE RETURN
+ * LINE FEED (CRLF), M-0004 LINE FEED (LF) and M-0005 CARRIAGE RETURN (CR).
+ *
+ * In micromark, the actual character U+000A LINE FEED (LF) and U+000D CARRIAGE
+ * RETURN (CR) are replaced by these virtual characters depending on whether
+ * they occurred together.
+ *
+ * @param {Code} code
+ *   Code.
+ * @returns {boolean}
+ *   Whether it matches.
+ */
+export function markdownLineEnding(code) {
+  return code !== null && code < -2;
+}
+
+/**
+ * Check whether a character code is a markdown line ending (see
+ * `markdownLineEnding`) or markdown space (see `markdownSpace`).
+ *
+ * @param {Code} code
+ *   Code.
+ * @returns {boolean}
+ *   Whether it matches.
+ */
+export function markdownLineEndingOrSpace(code) {
+  return code !== null && (code < 0 || code === 32);
+}
+
+/**
+ * Check whether a character code is a markdown space.
+ *
+ * A **markdown space** is the concrete character U+0020 SPACE (SP) and the
+ * virtual characters M-0001 VIRTUAL SPACE (VS) and M-0002 HORIZONTAL TAB (HT).
+ *
+ * In micromark, the actual character U+0009 CHARACTER TABULATION (HT) is
+ * replaced by one M-0002 HORIZONTAL TAB (HT) and between 0 and 3 M-0001 VIRTUAL
+ * SPACE (VS) characters, depending on the column at which the tab occurred.
+ *
+ * @param {Code} code
+ *   Code.
+ * @returns {boolean}
+ *   Whether it matches.
+ */
+export function markdownSpace(code) {
+  return code === -2 || code === -1 || code === 32;
+}
+
+// Size note: removing ASCII from the regex and using `asciiPunctuation` here
+// In fact adds to the bundle size.
+/**
+ * Check whether the character code represents Unicode punctuation.
+ *
+ * A **Unicode punctuation** is a character in the Unicode `Pc` (Punctuation,
+ * Connector), `Pd` (Punctuation, Dash), `Pe` (Punctuation, Close), `Pf`
+ * (Punctuation, Final quote), `Pi` (Punctuation, Initial quote), `Po`
+ * (Punctuation, Other), or `Ps` (Punctuation, Open) categories, or an ASCII
+ * punctuation (see `asciiPunctuation`).
+ *
+ * See:
+ * **\[UNICODE]**:
+ * [The Unicode Standard](https://www.unicode.org/versions/).
+ * Unicode Consortium.
+ *
+ * @param code
+ *   Code.
+ * @returns
+ *   Whether it matches.
+ */
+export const unicodePunctuation = regexCheck(/\p{P}|\p{S}/u);
+
+/**
+ * Check whether the character code represents Unicode whitespace.
+ *
+ * Note that this does handle micromark specific markdown whitespace characters.
+ * See `markdownLineEndingOrSpace` to check that.
+ *
+ * A **Unicode whitespace** is a character in the Unicode `Zs` (Separator,
+ * Space) category, or U+0009 CHARACTER TABULATION (HT), U+000A LINE FEED (LF),
+ * U+000C (FF), or U+000D CARRIAGE RETURN (CR) (**\[UNICODE]**).
+ *
+ * See:
+ * **\[UNICODE]**:
+ * [The Unicode Standard](https://www.unicode.org/versions/).
+ * Unicode Consortium.
+ *
+ * @param code
+ *   Code.
+ * @returns
+ *   Whether it matches.
+ */
+export const unicodeWhitespace = regexCheck(/\s/);
+
+/**
+ * Create a code check from a regex.
+ *
+ * @param {RegExp} regex
+ *   Expression.
+ * @returns {(code: Code) => boolean}
+ *   Check.
+ */
+function regexCheck(regex) {
+  return check;
+
+  /**
+   * Check whether a code matches the bound regex.
+   *
+   * @param {Code} code
+   *   Character code.
+   * @returns {boolean}
+   *   Whether the character code matches the bound regex.
+   */
+  function check(code) {
+    return code !== null && code > -1 && regex.test(String.fromCharCode(code));
+  }
+}