Initial import with skill sheet working

node_modules/eslint/lib/rules/utils/char-source.js

@@ -0,0 +1,240 @@
+/**
+ * @fileoverview Utility functions to locate the source text of each code unit in the value of a string literal or template token.
+ * @author Francesco Trotta
+ */
+
+"use strict";
+
+/**
+ * Represents a code unit produced by the evaluation of a JavaScript common token like a string
+ * literal or template token.
+ */
+class CodeUnit {
+    constructor(start, source) {
+        this.start = start;
+        this.source = source;
+    }
+
+    get end() {
+        return this.start + this.length;
+    }
+
+    get length() {
+        return this.source.length;
+    }
+}
+
+/**
+ * An object used to keep track of the position in a source text where the next characters will be read.
+ */
+class TextReader {
+    constructor(source) {
+        this.source = source;
+        this.pos = 0;
+    }
+
+    /**
+     * Advances the reading position of the specified number of characters.
+     * @param {number} length Number of characters to advance.
+     * @returns {void}
+     */
+    advance(length) {
+        this.pos += length;
+    }
+
+    /**
+     * Reads characters from the source.
+     * @param {number} [offset=0] The offset where reading starts, relative to the current position.
+     * @param {number} [length=1] Number of characters to read.
+     * @returns {string} A substring of source characters.
+     */
+    read(offset = 0, length = 1) {
+        const start = offset + this.pos;
+
+        return this.source.slice(start, start + length);
+    }
+}
+
+const SIMPLE_ESCAPE_SEQUENCES =
+{ __proto__: null, b: "\b", f: "\f", n: "\n", r: "\r", t: "\t", v: "\v" };
+
+/**
+ * Reads a hex escape sequence.
+ * @param {TextReader} reader The reader should be positioned on the first hexadecimal digit.
+ * @param {number} length The number of hexadecimal digits.
+ * @returns {string} A code unit.
+ */
+function readHexSequence(reader, length) {
+    const str = reader.read(0, length);
+    const charCode = parseInt(str, 16);
+
+    reader.advance(length);
+    return String.fromCharCode(charCode);
+}
+
+/**
+ * Reads a Unicode escape sequence.
+ * @param {TextReader} reader The reader should be positioned after the "u".
+ * @returns {string} A code unit.
+ */
+function readUnicodeSequence(reader) {
+    const regExp = /\{(?<hexDigits>[\dA-Fa-f]+)\}/uy;
+
+    regExp.lastIndex = reader.pos;
+    const match = regExp.exec(reader.source);
+
+    if (match) {
+        const codePoint = parseInt(match.groups.hexDigits, 16);
+
+        reader.pos = regExp.lastIndex;
+        return String.fromCodePoint(codePoint);
+    }
+    return readHexSequence(reader, 4);
+}
+
+/**
+ * Reads an octal escape sequence.
+ * @param {TextReader} reader The reader should be positioned after the first octal digit.
+ * @param {number} maxLength The maximum number of octal digits.
+ * @returns {string} A code unit.
+ */
+function readOctalSequence(reader, maxLength) {
+    const [octalStr] = reader.read(-1, maxLength).match(/^[0-7]+/u);
+
+    reader.advance(octalStr.length - 1);
+    const octal = parseInt(octalStr, 8);
+
+    return String.fromCharCode(octal);
+}
+
+/**
+ * Reads an escape sequence or line continuation.
+ * @param {TextReader} reader The reader should be positioned on the backslash.
+ * @returns {string} A string of zero, one or two code units.
+ */
+function readEscapeSequenceOrLineContinuation(reader) {
+    const char = reader.read(1);
+
+    reader.advance(2);
+    const unitChar = SIMPLE_ESCAPE_SEQUENCES[char];
+
+    if (unitChar) {
+        return unitChar;
+    }
+    switch (char) {
+        case "x":
+            return readHexSequence(reader, 2);
+        case "u":
+            return readUnicodeSequence(reader);
+        case "\r":
+            if (reader.read() === "\n") {
+                reader.advance(1);
+            }
+
+            // fallthrough
+        case "\n":
+        case "\u2028":
+        case "\u2029":
+            return "";
+        case "0":
+        case "1":
+        case "2":
+        case "3":
+            return readOctalSequence(reader, 3);
+        case "4":
+        case "5":
+        case "6":
+        case "7":
+            return readOctalSequence(reader, 2);
+        default:
+            return char;
+    }
+}
+
+/**
+ * Reads an escape sequence or line continuation and generates the respective `CodeUnit` elements.
+ * @param {TextReader} reader The reader should be positioned on the backslash.
+ * @returns {Generator<CodeUnit>} Zero, one or two `CodeUnit` elements.
+ */
+function *mapEscapeSequenceOrLineContinuation(reader) {
+    const start = reader.pos;
+    const str = readEscapeSequenceOrLineContinuation(reader);
+    const end = reader.pos;
+    const source = reader.source.slice(start, end);
+
+    switch (str.length) {
+        case 0:
+            break;
+        case 1:
+            yield new CodeUnit(start, source);
+            break;
+        default:
+            yield new CodeUnit(start, source);
+            yield new CodeUnit(start, source);
+            break;
+    }
+}
+
+/**
+ * Parses a string literal.
+ * @param {string} source The string literal to parse, including the delimiting quotes.
+ * @returns {CodeUnit[]} A list of code units produced by the string literal.
+ */
+function parseStringLiteral(source) {
+    const reader = new TextReader(source);
+    const quote = reader.read();
+
+    reader.advance(1);
+    const codeUnits = [];
+
+    for (;;) {
+        const char = reader.read();
+
+        if (char === quote) {
+            break;
+        }
+        if (char === "\\") {
+            codeUnits.push(...mapEscapeSequenceOrLineContinuation(reader));
+        } else {
+            codeUnits.push(new CodeUnit(reader.pos, char));
+            reader.advance(1);
+        }
+    }
+    return codeUnits;
+}
+
+/**
+ * Parses a template token.
+ * @param {string} source The template token to parse, including the delimiting sequences `` ` ``, `${` and `}`.
+ * @returns {CodeUnit[]} A list of code units produced by the template token.
+ */
+function parseTemplateToken(source) {
+    const reader = new TextReader(source);
+
+    reader.advance(1);
+    const codeUnits = [];
+
+    for (;;) {
+        const char = reader.read();
+
+        if (char === "`" || char === "$" && reader.read(1) === "{") {
+            break;
+        }
+        if (char === "\\") {
+            codeUnits.push(...mapEscapeSequenceOrLineContinuation(reader));
+        } else {
+            let unitSource;
+
+            if (char === "\r" && reader.read(1) === "\n") {
+                unitSource = "\r\n";
+            } else {
+                unitSource = char;
+            }
+            codeUnits.push(new CodeUnit(reader.pos, unitSource));
+            reader.advance(unitSource.length);
+        }
+    }
+    return codeUnits;
+}
+
+module.exports = { parseStringLiteral, parseTemplateToken };

node_modules/eslint/lib/rules/utils/fix-tracker.js

@@ -0,0 +1,114 @@
+/**
+ * @fileoverview Helper class to aid in constructing fix commands.
+ * @author Alan Pierce
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./ast-utils");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A helper class to combine fix options into a fix command. Currently, it
+ * exposes some "retain" methods that extend the range of the text being
+ * replaced so that other fixes won't touch that region in the same pass.
+ */
+class FixTracker {
+
+    /**
+     * Create a new FixTracker.
+     * @param {ruleFixer} fixer A ruleFixer instance.
+     * @param {SourceCode} sourceCode A SourceCode object for the current code.
+     */
+    constructor(fixer, sourceCode) {
+        this.fixer = fixer;
+        this.sourceCode = sourceCode;
+        this.retainedRange = null;
+    }
+
+    /**
+     * Mark the given range as "retained", meaning that other fixes may not
+     * may not modify this region in the same pass.
+     * @param {int[]} range The range to retain.
+     * @returns {FixTracker} The same RuleFixer, for chained calls.
+     */
+    retainRange(range) {
+        this.retainedRange = range;
+        return this;
+    }
+
+    /**
+     * Given a node, find the function containing it (or the entire program) and
+     * mark it as retained, meaning that other fixes may not modify it in this
+     * pass. This is useful for avoiding conflicts in fixes that modify control
+     * flow.
+     * @param {ASTNode} node The node to use as a starting point.
+     * @returns {FixTracker} The same RuleFixer, for chained calls.
+     */
+    retainEnclosingFunction(node) {
+        const functionNode = astUtils.getUpperFunction(node);
+
+        return this.retainRange(functionNode ? functionNode.range : this.sourceCode.ast.range);
+    }
+
+    /**
+     * Given a node or token, find the token before and afterward, and mark that
+     * range as retained, meaning that other fixes may not modify it in this
+     * pass. This is useful for avoiding conflicts in fixes that make a small
+     * change to the code where the AST should not be changed.
+     * @param {ASTNode|Token} nodeOrToken The node or token to use as a starting
+     *      point. The token to the left and right are use in the range.
+     * @returns {FixTracker} The same RuleFixer, for chained calls.
+     */
+    retainSurroundingTokens(nodeOrToken) {
+        const tokenBefore = this.sourceCode.getTokenBefore(nodeOrToken) || nodeOrToken;
+        const tokenAfter = this.sourceCode.getTokenAfter(nodeOrToken) || nodeOrToken;
+
+        return this.retainRange([tokenBefore.range[0], tokenAfter.range[1]]);
+    }
+
+    /**
+     * Create a fix command that replaces the given range with the given text,
+     * accounting for any retained ranges.
+     * @param {int[]} range The range to remove in the fix.
+     * @param {string} text The text to insert in place of the range.
+     * @returns {Object} The fix command.
+     */
+    replaceTextRange(range, text) {
+        let actualRange;
+
+        if (this.retainedRange) {
+            actualRange = [
+                Math.min(this.retainedRange[0], range[0]),
+                Math.max(this.retainedRange[1], range[1])
+            ];
+        } else {
+            actualRange = range;
+        }
+
+        return this.fixer.replaceTextRange(
+            actualRange,
+            this.sourceCode.text.slice(actualRange[0], range[0]) +
+                text +
+                this.sourceCode.text.slice(range[1], actualRange[1])
+        );
+    }
+
+    /**
+     * Create a fix command that removes the given node or token, accounting for
+     * any retained ranges.
+     * @param {ASTNode|Token} nodeOrToken The node or token to remove.
+     * @returns {Object} The fix command.
+     */
+    remove(nodeOrToken) {
+        return this.replaceTextRange(nodeOrToken.range, "");
+    }
+}
+
+module.exports = FixTracker;

node_modules/eslint/lib/rules/utils/keywords.js

@@ -0,0 +1,67 @@
+/**
+ * @fileoverview A shared list of ES3 keywords.
+ * @author Josh Perez
+ */
+"use strict";
+
+module.exports = [
+    "abstract",
+    "boolean",
+    "break",
+    "byte",
+    "case",
+    "catch",
+    "char",
+    "class",
+    "const",
+    "continue",
+    "debugger",
+    "default",
+    "delete",
+    "do",
+    "double",
+    "else",
+    "enum",
+    "export",
+    "extends",
+    "false",
+    "final",
+    "finally",
+    "float",
+    "for",
+    "function",
+    "goto",
+    "if",
+    "implements",
+    "import",
+    "in",
+    "instanceof",
+    "int",
+    "interface",
+    "long",
+    "native",
+    "new",
+    "null",
+    "package",
+    "private",
+    "protected",
+    "public",
+    "return",
+    "short",
+    "static",
+    "super",
+    "switch",
+    "synchronized",
+    "this",
+    "throw",
+    "throws",
+    "transient",
+    "true",
+    "try",
+    "typeof",
+    "var",
+    "void",
+    "volatile",
+    "while",
+    "with"
+];

node_modules/eslint/lib/rules/utils/lazy-loading-rule-map.js

@@ -0,0 +1,115 @@
+/**
+ * @fileoverview `Map` to load rules lazily.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const debug = require("debug")("eslint:rules");
+
+/** @typedef {import("../../shared/types").Rule} Rule */
+
+/**
+ * The `Map` object that loads each rule when it's accessed.
+ * @example
+ * const rules = new LazyLoadingRuleMap([
+ *     ["eqeqeq", () => require("eqeqeq")],
+ *     ["semi", () => require("semi")],
+ *     ["no-unused-vars", () => require("no-unused-vars")]
+ * ]);
+ *
+ * rules.get("semi"); // call `() => require("semi")` here.
+ *
+ * @extends {Map<string, () => Rule>}
+ */
+class LazyLoadingRuleMap extends Map {
+
+    /**
+     * Initialize this map.
+     * @param {Array<[string, function(): Rule]>} loaders The rule loaders.
+     */
+    constructor(loaders) {
+        let remaining = loaders.length;
+
+        super(
+            debug.enabled
+                ? loaders.map(([ruleId, load]) => {
+                    let cache = null;
+
+                    return [
+                        ruleId,
+                        () => {
+                            if (!cache) {
+                                debug("Loading rule %o (remaining=%d)", ruleId, --remaining);
+                                cache = load();
+                            }
+                            return cache;
+                        }
+                    ];
+                })
+                : loaders
+        );
+
+        // `super(...iterable)` uses `this.set()`, so disable it here.
+        Object.defineProperty(LazyLoadingRuleMap.prototype, "set", {
+            configurable: true,
+            value: void 0
+        });
+    }
+
+    /**
+     * Get a rule.
+     * Each rule will be loaded on the first access.
+     * @param {string} ruleId The rule ID to get.
+     * @returns {Rule|undefined} The rule.
+     */
+    get(ruleId) {
+        const load = super.get(ruleId);
+
+        return load && load();
+    }
+
+    /**
+     * Iterate rules.
+     * @returns {IterableIterator<Rule>} Rules.
+     */
+    *values() {
+        for (const load of super.values()) {
+            yield load();
+        }
+    }
+
+    /**
+     * Iterate rules.
+     * @returns {IterableIterator<[string, Rule]>} Rules.
+     */
+    *entries() {
+        for (const [ruleId, load] of super.entries()) {
+            yield [ruleId, load()];
+        }
+    }
+
+    /**
+     * Call a function with each rule.
+     * @param {Function} callbackFn The callback function.
+     * @param {any} [thisArg] The object to pass to `this` of the callback function.
+     * @returns {void}
+     */
+    forEach(callbackFn, thisArg) {
+        for (const [ruleId, load] of super.entries()) {
+            callbackFn.call(thisArg, load(), ruleId, this);
+        }
+    }
+}
+
+// Forbid mutation.
+Object.defineProperties(LazyLoadingRuleMap.prototype, {
+    clear: { configurable: true, value: void 0 },
+    delete: { configurable: true, value: void 0 },
+    [Symbol.iterator]: {
+        configurable: true,
+        writable: true,
+        value: LazyLoadingRuleMap.prototype.entries
+    }
+});
+
+module.exports = { LazyLoadingRuleMap };

node_modules/eslint/lib/rules/utils/regular-expressions.js

@@ -0,0 +1,50 @@
+/**
+ * @fileoverview Common utils for regular expressions.
+ * @author Josh Goldberg
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+const { RegExpValidator } = require("@eslint-community/regexpp");
+
+const REGEXPP_LATEST_ECMA_VERSION = 2025;
+
+/**
+ * Checks if the given regular expression pattern would be valid with the `u` flag.
+ * @param {number} ecmaVersion ECMAScript version to parse in.
+ * @param {string} pattern The regular expression pattern to verify.
+ * @param {"u"|"v"} flag The type of Unicode flag
+ * @returns {boolean} `true` if the pattern would be valid with the `u` flag.
+ * `false` if the pattern would be invalid with the `u` flag or the configured
+ * ecmaVersion doesn't support the `u` flag.
+ */
+function isValidWithUnicodeFlag(ecmaVersion, pattern, flag = "u") {
+    if (flag === "u" && ecmaVersion <= 5) { // ecmaVersion <= 5 doesn't support the 'u' flag
+        return false;
+    }
+    if (flag === "v" && ecmaVersion <= 2023) {
+        return false;
+    }
+
+    const validator = new RegExpValidator({
+        ecmaVersion: Math.min(ecmaVersion, REGEXPP_LATEST_ECMA_VERSION)
+    });
+
+    try {
+        validator.validatePattern(pattern, void 0, void 0, flag === "u" ? {
+            unicode: /* uFlag = */ true
+        } : {
+            unicodeSets: true
+        });
+    } catch {
+        return false;
+    }
+
+    return true;
+}
+
+module.exports = {
+    isValidWithUnicodeFlag,
+    REGEXPP_LATEST_ECMA_VERSION
+};

node_modules/eslint/lib/rules/utils/unicode/index.js

@@ -0,0 +1,16 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const isCombiningCharacter = require("./is-combining-character");
+const isEmojiModifier = require("./is-emoji-modifier");
+const isRegionalIndicatorSymbol = require("./is-regional-indicator-symbol");
+const isSurrogatePair = require("./is-surrogate-pair");
+
+module.exports = {
+    isCombiningCharacter,
+    isEmojiModifier,
+    isRegionalIndicatorSymbol,
+    isSurrogatePair
+};

node_modules/eslint/lib/rules/utils/unicode/is-combining-character.js

@@ -0,0 +1,13 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+/**
+ * Check whether a given character is a combining mark or not.
+ * @param {number} codePoint The character code to check.
+ * @returns {boolean} `true` if the character belongs to the category, any of `Mc`, `Me`, and `Mn`.
+ */
+module.exports = function isCombiningCharacter(codePoint) {
+    return /^[\p{Mc}\p{Me}\p{Mn}]$/u.test(String.fromCodePoint(codePoint));
+};

node_modules/eslint/lib/rules/utils/unicode/is-emoji-modifier.js

@@ -0,0 +1,13 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+/**
+ * Check whether a given character is an emoji modifier.
+ * @param {number} code The character code to check.
+ * @returns {boolean} `true` if the character is an emoji modifier.
+ */
+module.exports = function isEmojiModifier(code) {
+    return code >= 0x1F3FB && code <= 0x1F3FF;
+};

node_modules/eslint/lib/rules/utils/unicode/is-regional-indicator-symbol.js

@@ -0,0 +1,13 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+/**
+ * Check whether a given character is a regional indicator symbol.
+ * @param {number} code The character code to check.
+ * @returns {boolean} `true` if the character is a regional indicator symbol.
+ */
+module.exports = function isRegionalIndicatorSymbol(code) {
+    return code >= 0x1F1E6 && code <= 0x1F1FF;
+};

node_modules/eslint/lib/rules/utils/unicode/is-surrogate-pair.js

@@ -0,0 +1,14 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+/**
+ * Check whether given two characters are a surrogate pair.
+ * @param {number} lead The code of the lead character.
+ * @param {number} tail The code of the tail character.
+ * @returns {boolean} `true` if the character pair is a surrogate pair.
+ */
+module.exports = function isSurrogatePair(lead, tail) {
+    return lead >= 0xD800 && lead < 0xDC00 && tail >= 0xDC00 && tail < 0xE000;
+};