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authorlittleblack111 <littleblack11111@gmail.com>2024-10-13 10:37:19 +0800
committerlittleblack111 <littleblack11111@gmail.com>2024-10-13 10:37:19 +0800
commite29b244aeab08ea36fb385c7beb2ad0560217039 (patch)
treec66b744dc29573f1acc871862937a23f1b80e6bf /node_modules/@babel/helper-validator-identifier/scripts/generate-identifier-regex.cjs
parent62c2881629e6413a8fec6d3dd092e4568e2a81dc (diff)
bump: @babel/cli 7.25.6 → 7.25.7, @babel/core 7.25.2 → 7.25.8, @babel/preset-env 7.25.4 → 7.25.8, postcss 8.4.41 → 8.4.47, swup 4.7.0 → 4.8.1
Diffstat (limited to 'node_modules/@babel/helper-validator-identifier/scripts/generate-identifier-regex.cjs')
-rw-r--r--node_modules/@babel/helper-validator-identifier/scripts/generate-identifier-regex.cjs73
1 files changed, 73 insertions, 0 deletions
diff --git a/node_modules/@babel/helper-validator-identifier/scripts/generate-identifier-regex.cjs b/node_modules/@babel/helper-validator-identifier/scripts/generate-identifier-regex.cjs
new file mode 100644
index 00000000..62b16e61
--- /dev/null
+++ b/node_modules/@babel/helper-validator-identifier/scripts/generate-identifier-regex.cjs
@@ -0,0 +1,73 @@
+"use strict";
+
+// Always use the latest available version of Unicode!
+// https://tc39.github.io/ecma262/#sec-conformance
+const version = "16.0.0";
+
+const start = require(
+ "@unicode/unicode-" + version + "/Binary_Property/ID_Start/code-points.js"
+).filter(function (ch) {
+ return ch > 0x7f;
+});
+let last = -1;
+const cont = 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) + ";"
+);