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diff --git a/tools/node_modules/eslint/node_modules/slice-ansi/node_modules/is-fullwidth-code-point/index.js b/tools/node_modules/eslint/node_modules/slice-ansi/node_modules/is-fullwidth-code-point/index.js
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+++ b/tools/node_modules/eslint/node_modules/slice-ansi/node_modules/is-fullwidth-code-point/index.js
@@ -0,0 +1,46 @@
+'use strict';
+/* eslint-disable yoda */
+module.exports = x => {
+ if (Number.isNaN(x)) {
+ return false;
+ }
+
+ // code points are derived from:
+ // http://www.unix.org/Public/UNIDATA/EastAsianWidth.txt
+ if (
+ x >= 0x1100 && (
+ x <= 0x115f || // Hangul Jamo
+ x === 0x2329 || // LEFT-POINTING ANGLE BRACKET
+ x === 0x232a || // RIGHT-POINTING ANGLE BRACKET
+ // CJK Radicals Supplement .. Enclosed CJK Letters and Months
+ (0x2e80 <= x && x <= 0x3247 && x !== 0x303f) ||
+ // Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A
+ (0x3250 <= x && x <= 0x4dbf) ||
+ // CJK Unified Ideographs .. Yi Radicals
+ (0x4e00 <= x && x <= 0xa4c6) ||
+ // Hangul Jamo Extended-A
+ (0xa960 <= x && x <= 0xa97c) ||
+ // Hangul Syllables
+ (0xac00 <= x && x <= 0xd7a3) ||
+ // CJK Compatibility Ideographs
+ (0xf900 <= x && x <= 0xfaff) ||
+ // Vertical Forms
+ (0xfe10 <= x && x <= 0xfe19) ||
+ // CJK Compatibility Forms .. Small Form Variants
+ (0xfe30 <= x && x <= 0xfe6b) ||
+ // Halfwidth and Fullwidth Forms
+ (0xff01 <= x && x <= 0xff60) ||
+ (0xffe0 <= x && x <= 0xffe6) ||
+ // Kana Supplement
+ (0x1b000 <= x && x <= 0x1b001) ||
+ // Enclosed Ideographic Supplement
+ (0x1f200 <= x && x <= 0x1f251) ||
+ // CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane
+ (0x20000 <= x && x <= 0x3fffd)
+ )
+ ) {
+ return true;
+ }
+
+ return false;
+};