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

@@ -0,0 +1,11 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+module.exports = {
+    isCombiningCharacter: require("./is-combining-character"),
+    isEmojiModifier: require("./is-emoji-modifier"),
+    isRegionalIndicatorSymbol: require("./is-regional-indicator-symbol"),
+    isSurrogatePair: require("./is-surrogate-pair")
+};

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;
+};