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node_modules/@babel/helper-validator-identifier/scripts/generate-identifier-regex.js

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+"use strict";
+
+// Always use the latest available version of Unicode!
+// https://tc39.github.io/ecma262/#sec-conformance
+const version = "14.0.0";
+
+const start = require("@unicode/unicode-" +
+  version +
+  "/Binary_Property/ID_Start/code-points.js").filter(function (ch) {
+  return ch > 0x7f;
+});
+let last = -1;
+const cont = [0x200c, 0x200d].concat(
+  require("@unicode/unicode-" +
+    version +
+    "/Binary_Property/ID_Continue/code-points.js").filter(function (ch) {
+    return ch > 0x7f && search(start, ch, last + 1) == -1;
+  })
+);
+
+function search(arr, ch, starting) {
+  for (let i = starting; arr[i] <= ch && i < arr.length; last = i++) {
+    if (arr[i] === ch) return i;
+  }
+  return -1;
+}
+
+function pad(str, width) {
+  while (str.length < width) str = "0" + str;
+  return str;
+}
+
+function esc(code) {
+  const hex = code.toString(16);
+  if (hex.length <= 2) return "\\x" + pad(hex, 2);
+  else return "\\u" + pad(hex, 4);
+}
+
+function generate(chars) {
+  const astral = [];
+  let re = "";
+  for (let i = 0, at = 0x10000; i < chars.length; i++) {
+    const from = chars[i];
+    let to = from;
+    while (i < chars.length - 1 && chars[i + 1] == to + 1) {
+      i++;
+      to++;
+    }
+    if (to <= 0xffff) {
+      if (from == to) re += esc(from);
+      else if (from + 1 == to) re += esc(from) + esc(to);
+      else re += esc(from) + "-" + esc(to);
+    } else {
+      astral.push(from - at, to - from);
+      at = to;
+    }
+  }
+  return { nonASCII: re, astral: astral };
+}
+
+const startData = generate(start);
+const contData = generate(cont);
+
+console.log("/* prettier-ignore */");
+console.log('let nonASCIIidentifierStartChars = "' + startData.nonASCII + '";');
+console.log("/* prettier-ignore */");
+console.log('let nonASCIIidentifierChars = "' + contData.nonASCII + '";');
+console.log("/* prettier-ignore */");
+console.log(
+  "const astralIdentifierStartCodes = " + JSON.stringify(startData.astral) + ";"
+);
+console.log("/* prettier-ignore */");
+console.log(
+  "const astralIdentifierCodes = " + JSON.stringify(contData.astral) + ";"
+);