semver.js 17 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592
  1. /*
  2. MIT License http://www.opensource.org/licenses/mit-license.php
  3. Author Tobias Koppers @sokra
  4. */
  5. "use strict";
  6. /** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
  7. /** @typedef {string | number | undefined} SemVerRangeItem */
  8. /** @typedef {(SemVerRangeItem | SemVerRangeItem[])[]} SemVerRange */
  9. /**
  10. * @param {string} str version string
  11. * @returns {SemVerRange} parsed version
  12. */
  13. const parseVersion = str => {
  14. /**
  15. * @param {str} str str
  16. * @returns {(string | number)[]} result
  17. */
  18. var splitAndConvert = function (str) {
  19. return str.split(".").map(function (item) {
  20. // eslint-disable-next-line eqeqeq
  21. return +item == /** @type {EXPECTED_ANY} */ (item) ? +item : item;
  22. });
  23. };
  24. var match =
  25. /** @type {RegExpExecArray} */
  26. (/^([^-+]+)?(?:-([^+]+))?(?:\+(.+))?$/.exec(str));
  27. /** @type {(string | number | undefined | [])[]} */
  28. var ver = match[1] ? splitAndConvert(match[1]) : [];
  29. if (match[2]) {
  30. ver.length++;
  31. ver.push.apply(ver, splitAndConvert(match[2]));
  32. }
  33. if (match[3]) {
  34. ver.push([]);
  35. ver.push.apply(ver, splitAndConvert(match[3]));
  36. }
  37. return ver;
  38. };
  39. module.exports.parseVersion = parseVersion;
  40. /* eslint-disable eqeqeq */
  41. /**
  42. * @param {string} a version
  43. * @param {string} b version
  44. * @returns {boolean} true, iff a < b
  45. */
  46. const versionLt = (a, b) => {
  47. // @ts-expect-error
  48. a = parseVersion(a);
  49. // @ts-expect-error
  50. b = parseVersion(b);
  51. var i = 0;
  52. for (;;) {
  53. // a b EOA object undefined number string
  54. // EOA a == b a < b b < a a < b a < b
  55. // object b < a (0) b < a a < b a < b
  56. // undefined a < b a < b (0) a < b a < b
  57. // number b < a b < a b < a (1) a < b
  58. // string b < a b < a b < a b < a (1)
  59. // EOA end of array
  60. // (0) continue on
  61. // (1) compare them via "<"
  62. // Handles first row in table
  63. if (i >= a.length) return i < b.length && (typeof b[i])[0] != "u";
  64. var aValue = a[i];
  65. var aType = (typeof aValue)[0];
  66. // Handles first column in table
  67. if (i >= b.length) return aType == "u";
  68. var bValue = b[i];
  69. var bType = (typeof bValue)[0];
  70. if (aType == bType) {
  71. if (aType != "o" && aType != "u" && aValue != bValue) {
  72. return aValue < bValue;
  73. }
  74. i++;
  75. } else {
  76. // Handles remaining cases
  77. if (aType == "o" && bType == "n") return true;
  78. return bType == "s" || aType == "u";
  79. }
  80. }
  81. };
  82. /* eslint-enable eqeqeq */
  83. module.exports.versionLt = versionLt;
  84. /**
  85. * @param {string} str range string
  86. * @returns {SemVerRange} parsed range
  87. */
  88. module.exports.parseRange = str => {
  89. /**
  90. * @param {string} str str
  91. * @returns {(string | number)[]} result
  92. */
  93. const splitAndConvert = str => {
  94. return str
  95. .split(".")
  96. .map(item => (item !== "NaN" && `${+item}` === item ? +item : item));
  97. };
  98. // see https://docs.npmjs.com/misc/semver#range-grammar for grammar
  99. /**
  100. * @param {string} str str
  101. * @returns {SemVerRangeItem[]}
  102. */
  103. const parsePartial = str => {
  104. const match =
  105. /** @type {RegExpExecArray} */
  106. (/^([^-+]+)?(?:-([^+]+))?(?:\+(.+))?$/.exec(str));
  107. /** @type {SemVerRangeItem[]} */
  108. const ver = match[1] ? [0, ...splitAndConvert(match[1])] : [0];
  109. if (match[2]) {
  110. ver.length++;
  111. ver.push.apply(ver, splitAndConvert(match[2]));
  112. }
  113. // remove trailing any matchers
  114. let last = ver[ver.length - 1];
  115. while (
  116. ver.length &&
  117. (last === undefined || /^[*xX]$/.test(/** @type {string} */ (last)))
  118. ) {
  119. ver.pop();
  120. last = ver[ver.length - 1];
  121. }
  122. return ver;
  123. };
  124. /**
  125. *
  126. * @param {SemVerRangeItem[]} range range
  127. * @returns {SemVerRangeItem[]}
  128. */
  129. const toFixed = range => {
  130. if (range.length === 1) {
  131. // Special case for "*" is "x.x.x" instead of "="
  132. return [0];
  133. } else if (range.length === 2) {
  134. // Special case for "1" is "1.x.x" instead of "=1"
  135. return [1, ...range.slice(1)];
  136. } else if (range.length === 3) {
  137. // Special case for "1.2" is "1.2.x" instead of "=1.2"
  138. return [2, ...range.slice(1)];
  139. }
  140. return [range.length, ...range.slice(1)];
  141. };
  142. /**
  143. *
  144. * @param {SemVerRangeItem[]} range
  145. * @returns {SemVerRangeItem[]} result
  146. */
  147. const negate = range => {
  148. return [-(/** @type { [number]} */ (range)[0]) - 1, ...range.slice(1)];
  149. };
  150. /**
  151. * @param {string} str str
  152. * @returns {SemVerRange}
  153. */
  154. const parseSimple = str => {
  155. // simple ::= primitive | partial | tilde | caret
  156. // primitive ::= ( '<' | '>' | '>=' | '<=' | '=' | '!' ) ( ' ' ) * partial
  157. // tilde ::= '~' ( ' ' ) * partial
  158. // caret ::= '^' ( ' ' ) * partial
  159. const match = /^(\^|~|<=|<|>=|>|=|v|!)/.exec(str);
  160. const start = match ? match[0] : "";
  161. const remainder = parsePartial(
  162. start.length ? str.slice(start.length).trim() : str.trim()
  163. );
  164. switch (start) {
  165. case "^":
  166. if (remainder.length > 1 && remainder[1] === 0) {
  167. if (remainder.length > 2 && remainder[2] === 0) {
  168. return [3, ...remainder.slice(1)];
  169. }
  170. return [2, ...remainder.slice(1)];
  171. }
  172. return [1, ...remainder.slice(1)];
  173. case "~":
  174. if (remainder.length === 2 && remainder[0] === 0) {
  175. return [1, ...remainder.slice(1)];
  176. }
  177. return [2, ...remainder.slice(1)];
  178. case ">=":
  179. return remainder;
  180. case "=":
  181. case "v":
  182. case "":
  183. return toFixed(remainder);
  184. case "<":
  185. return negate(remainder);
  186. case ">": {
  187. // and( >=, not( = ) ) => >=, =, not, and
  188. const fixed = toFixed(remainder);
  189. // eslint-disable-next-line no-sparse-arrays
  190. return [, fixed, 0, remainder, 2];
  191. }
  192. case "<=":
  193. // or( <, = ) => <, =, or
  194. // eslint-disable-next-line no-sparse-arrays
  195. return [, toFixed(remainder), negate(remainder), 1];
  196. case "!": {
  197. // not =
  198. const fixed = toFixed(remainder);
  199. // eslint-disable-next-line no-sparse-arrays
  200. return [, fixed, 0];
  201. }
  202. default:
  203. throw new Error("Unexpected start value");
  204. }
  205. };
  206. /**
  207. *
  208. * @param {SemVerRangeItem[][]} items items
  209. * @param {number} fn fn
  210. * @returns {SemVerRange} result
  211. */
  212. const combine = (items, fn) => {
  213. if (items.length === 1) return items[0];
  214. const arr = [];
  215. for (const item of items.slice().reverse()) {
  216. if (0 in item) {
  217. arr.push(item);
  218. } else {
  219. arr.push(...item.slice(1));
  220. }
  221. }
  222. // eslint-disable-next-line no-sparse-arrays
  223. return [, ...arr, ...items.slice(1).map(() => fn)];
  224. };
  225. /**
  226. * @param {string} str str
  227. * @returns {SemVerRange}
  228. */
  229. const parseRange = str => {
  230. // range ::= hyphen | simple ( ' ' ( ' ' ) * simple ) * | ''
  231. // hyphen ::= partial ( ' ' ) * ' - ' ( ' ' ) * partial
  232. const items = str.split(/\s+-\s+/);
  233. if (items.length === 1) {
  234. const items =
  235. /** @type {SemVerRangeItem[][]} */
  236. (
  237. str
  238. .trim()
  239. .split(/(?<=[-0-9A-Za-z])\s+/g)
  240. .map(parseSimple)
  241. );
  242. return combine(items, 2);
  243. }
  244. const a = parsePartial(items[0]);
  245. const b = parsePartial(items[1]);
  246. // >=a <=b => and( >=a, or( <b, =b ) ) => >=a, <b, =b, or, and
  247. // eslint-disable-next-line no-sparse-arrays
  248. return [, toFixed(b), negate(b), 1, a, 2];
  249. };
  250. /**
  251. * @param {string} str str
  252. * @returns {SemVerRange}
  253. */
  254. const parseLogicalOr = str => {
  255. // range-set ::= range ( logical-or range ) *
  256. // logical-or ::= ( ' ' ) * '||' ( ' ' ) *
  257. const items =
  258. /** @type {SemVerRangeItem[][]} */
  259. (str.split(/\s*\|\|\s*/).map(parseRange));
  260. return combine(items, 1);
  261. };
  262. return parseLogicalOr(str);
  263. };
  264. /* eslint-disable eqeqeq */
  265. /**
  266. * @param {SemVerRange} range
  267. * @returns {string}
  268. */
  269. const rangeToString = range => {
  270. var fixCount = /** @type {number} */ (range[0]);
  271. var str = "";
  272. if (range.length === 1) {
  273. return "*";
  274. } else if (fixCount + 0.5) {
  275. str +=
  276. fixCount == 0
  277. ? ">="
  278. : fixCount == -1
  279. ? "<"
  280. : fixCount == 1
  281. ? "^"
  282. : fixCount == 2
  283. ? "~"
  284. : fixCount > 0
  285. ? "="
  286. : "!=";
  287. var needDot = 1;
  288. for (var i = 1; i < range.length; i++) {
  289. var item = range[i];
  290. var t = (typeof item)[0];
  291. needDot--;
  292. str +=
  293. t == "u"
  294. ? // undefined: prerelease marker, add an "-"
  295. "-"
  296. : // number or string: add the item, set flag to add an "." between two of them
  297. (needDot > 0 ? "." : "") + ((needDot = 2), item);
  298. }
  299. return str;
  300. }
  301. /** @type {string[]} */
  302. var stack = [];
  303. // eslint-disable-next-line no-redeclare
  304. for (var i = 1; i < range.length; i++) {
  305. // eslint-disable-next-line no-redeclare
  306. var item = range[i];
  307. stack.push(
  308. item === 0
  309. ? "not(" + pop() + ")"
  310. : item === 1
  311. ? "(" + pop() + " || " + pop() + ")"
  312. : item === 2
  313. ? stack.pop() + " " + stack.pop()
  314. : rangeToString(/** @type {SemVerRange} */ (item))
  315. );
  316. }
  317. return pop();
  318. function pop() {
  319. return /** @type {string} */ (stack.pop()).replace(/^\((.+)\)$/, "$1");
  320. }
  321. };
  322. module.exports.rangeToString = rangeToString;
  323. /**
  324. * @param {SemVerRange} range version range
  325. * @param {string} version the version
  326. * @returns {boolean} if version satisfy the range
  327. */
  328. const satisfy = (range, version) => {
  329. if (0 in range) {
  330. // @ts-expect-error
  331. version = parseVersion(version);
  332. var fixCount = /** @type {number} */ (range[0]);
  333. // when negated is set it swill set for < instead of >=
  334. var negated = fixCount < 0;
  335. if (negated) fixCount = -fixCount - 1;
  336. for (var i = 0, j = 1, isEqual = true; ; j++, i++) {
  337. // cspell:word nequal nequ
  338. // when isEqual = true:
  339. // range version: EOA/object undefined number string
  340. // EOA equal block big-ver big-ver
  341. // undefined bigger next big-ver big-ver
  342. // number smaller block cmp big-cmp
  343. // fixed number smaller block cmp-fix differ
  344. // string smaller block differ cmp
  345. // fixed string smaller block small-cmp cmp-fix
  346. // when isEqual = false:
  347. // range version: EOA/object undefined number string
  348. // EOA nequal block next-ver next-ver
  349. // undefined nequal block next-ver next-ver
  350. // number nequal block next next
  351. // fixed number nequal block next next (this never happens)
  352. // string nequal block next next
  353. // fixed string nequal block next next (this never happens)
  354. // EOA end of array
  355. // equal (version is equal range):
  356. // when !negated: return true,
  357. // when negated: return false
  358. // bigger (version is bigger as range):
  359. // when fixed: return false,
  360. // when !negated: return true,
  361. // when negated: return false,
  362. // smaller (version is smaller as range):
  363. // when !negated: return false,
  364. // when negated: return true
  365. // nequal (version is not equal range (> resp <)): return true
  366. // block (version is in different prerelease area): return false
  367. // differ (version is different from fixed range (string vs. number)): return false
  368. // next: continues to the next items
  369. // next-ver: when fixed: return false, continues to the next item only for the version, sets isEqual=false
  370. // big-ver: when fixed || negated: return false, continues to the next item only for the version, sets isEqual=false
  371. // next-nequ: continues to the next items, sets isEqual=false
  372. // cmp (negated === false): version < range => return false, version > range => next-nequ, else => next
  373. // cmp (negated === true): version > range => return false, version < range => next-nequ, else => next
  374. // cmp-fix: version == range => next, else => return false
  375. // big-cmp: when negated => return false, else => next-nequ
  376. // small-cmp: when negated => next-nequ, else => return false
  377. var rangeType =
  378. /** @type {"s" | "n" | "u" | ""} */
  379. (j < range.length ? (typeof range[j])[0] : "");
  380. /** @type {number | string | undefined} */
  381. var versionValue;
  382. /** @type {"n" | "s" | "u" | "o" | undefined} */
  383. var versionType;
  384. // Handles first column in both tables (end of version or object)
  385. if (
  386. i >= version.length ||
  387. ((versionValue = version[i]),
  388. (versionType = /** @type {"n" | "s" | "u" | "o"} */ (
  389. (typeof versionValue)[0]
  390. )) == "o")
  391. ) {
  392. // Handles nequal
  393. if (!isEqual) return true;
  394. // Handles bigger
  395. if (rangeType == "u") return j > fixCount && !negated;
  396. // Handles equal and smaller: (range === EOA) XOR negated
  397. return (rangeType == "") != negated; // equal + smaller
  398. }
  399. // Handles second column in both tables (version = undefined)
  400. if (versionType == "u") {
  401. if (!isEqual || rangeType != "u") {
  402. return false;
  403. }
  404. }
  405. // switch between first and second table
  406. else if (isEqual) {
  407. // Handle diagonal
  408. if (rangeType == versionType) {
  409. if (j <= fixCount) {
  410. // Handles "cmp-fix" cases
  411. if (versionValue != range[j]) {
  412. return false;
  413. }
  414. } else {
  415. // Handles "cmp" cases
  416. if (
  417. negated
  418. ? versionValue > /** @type {(number | string)[]} */ (range)[j]
  419. : versionValue < /** @type {(number | string)[]} */ (range)[j]
  420. ) {
  421. return false;
  422. }
  423. if (versionValue != range[j]) isEqual = false;
  424. }
  425. }
  426. // Handle big-ver
  427. else if (rangeType != "s" && rangeType != "n") {
  428. if (negated || j <= fixCount) return false;
  429. isEqual = false;
  430. j--;
  431. }
  432. // Handle differ, big-cmp and small-cmp
  433. else if (j <= fixCount || versionType < rangeType != negated) {
  434. return false;
  435. } else {
  436. isEqual = false;
  437. }
  438. } else {
  439. // Handles all "next-ver" cases in the second table
  440. // eslint-disable-next-line no-lonely-if
  441. if (rangeType != "s" && rangeType != "n") {
  442. isEqual = false;
  443. j--;
  444. }
  445. // next is applied by default
  446. }
  447. }
  448. }
  449. /** @type {(boolean | number)[]} */
  450. var stack = [];
  451. var p = stack.pop.bind(stack);
  452. // eslint-disable-next-line no-redeclare
  453. for (var i = 1; i < range.length; i++) {
  454. var item = /** @type {SemVerRangeItem[] | 0 | 1 | 2} */ (range[i]);
  455. stack.push(
  456. item == 1
  457. ? /** @type {() => number} */ (p)() | /** @type {() => number} */ (p)()
  458. : item == 2
  459. ? /** @type {() => number} */ (p)() &
  460. /** @type {() => number} */ (p)()
  461. : item
  462. ? satisfy(item, version)
  463. : !p()
  464. );
  465. }
  466. return !!p();
  467. };
  468. /* eslint-enable eqeqeq */
  469. module.exports.satisfy = satisfy;
  470. /**
  471. * @param {SemVerRange | string | number | false | undefined} json
  472. * @returns {string}
  473. */
  474. module.exports.stringifyHoley = json => {
  475. switch (typeof json) {
  476. case "undefined":
  477. return "";
  478. case "object":
  479. if (Array.isArray(json)) {
  480. let str = "[";
  481. for (let i = 0; i < json.length; i++) {
  482. if (i !== 0) str += ",";
  483. str += this.stringifyHoley(json[i]);
  484. }
  485. str += "]";
  486. return str;
  487. }
  488. return JSON.stringify(json);
  489. default:
  490. return JSON.stringify(json);
  491. }
  492. };
  493. //#region runtime code: parseVersion
  494. /**
  495. * @param {RuntimeTemplate} runtimeTemplate
  496. * @returns {string}
  497. */
  498. exports.parseVersionRuntimeCode = runtimeTemplate =>
  499. `var parseVersion = ${runtimeTemplate.basicFunction("str", [
  500. "// see webpack/lib/util/semver.js for original code",
  501. `var p=${runtimeTemplate.supportsArrowFunction() ? "p=>" : "function(p)"}{return p.split(".").map((${runtimeTemplate.supportsArrowFunction() ? "p=>" : "function(p)"}{return+p==p?+p:p}))},n=/^([^-+]+)?(?:-([^+]+))?(?:\\+(.+))?$/.exec(str),r=n[1]?p(n[1]):[];return n[2]&&(r.length++,r.push.apply(r,p(n[2]))),n[3]&&(r.push([]),r.push.apply(r,p(n[3]))),r;`
  502. ])}`;
  503. //#endregion
  504. //#region runtime code: versionLt
  505. /**
  506. * @param {RuntimeTemplate} runtimeTemplate
  507. * @returns {string}
  508. */
  509. exports.versionLtRuntimeCode = runtimeTemplate =>
  510. `var versionLt = ${runtimeTemplate.basicFunction("a, b", [
  511. "// see webpack/lib/util/semver.js for original code",
  512. 'a=parseVersion(a),b=parseVersion(b);for(var r=0;;){if(r>=a.length)return r<b.length&&"u"!=(typeof b[r])[0];var e=a[r],n=(typeof e)[0];if(r>=b.length)return"u"==n;var t=b[r],f=(typeof t)[0];if(n!=f)return"o"==n&&"n"==f||("s"==f||"u"==n);if("o"!=n&&"u"!=n&&e!=t)return e<t;r++}'
  513. ])}`;
  514. //#endregion
  515. //#region runtime code: rangeToString
  516. /**
  517. * @param {RuntimeTemplate} runtimeTemplate
  518. * @returns {string}
  519. */
  520. exports.rangeToStringRuntimeCode = runtimeTemplate =>
  521. `var rangeToString = ${runtimeTemplate.basicFunction("range", [
  522. "// see webpack/lib/util/semver.js for original code",
  523. 'var r=range[0],n="";if(1===range.length)return"*";if(r+.5){n+=0==r?">=":-1==r?"<":1==r?"^":2==r?"~":r>0?"=":"!=";for(var e=1,a=1;a<range.length;a++){e--,n+="u"==(typeof(t=range[a]))[0]?"-":(e>0?".":"")+(e=2,t)}return n}var g=[];for(a=1;a<range.length;a++){var t=range[a];g.push(0===t?"not("+o()+")":1===t?"("+o()+" || "+o()+")":2===t?g.pop()+" "+g.pop():rangeToString(t))}return o();function o(){return g.pop().replace(/^\\((.+)\\)$/,"$1")}'
  524. ])}`;
  525. //#endregion
  526. //#region runtime code: satisfy
  527. /**
  528. * @param {RuntimeTemplate} runtimeTemplate
  529. * @returns {string}
  530. */
  531. exports.satisfyRuntimeCode = runtimeTemplate =>
  532. `var satisfy = ${runtimeTemplate.basicFunction("range, version", [
  533. "// see webpack/lib/util/semver.js for original code",
  534. 'if(0 in range){version=parseVersion(version);var e=range[0],r=e<0;r&&(e=-e-1);for(var n=0,i=1,a=!0;;i++,n++){var f,s,g=i<range.length?(typeof range[i])[0]:"";if(n>=version.length||"o"==(s=(typeof(f=version[n]))[0]))return!a||("u"==g?i>e&&!r:""==g!=r);if("u"==s){if(!a||"u"!=g)return!1}else if(a)if(g==s)if(i<=e){if(f!=range[i])return!1}else{if(r?f>range[i]:f<range[i])return!1;f!=range[i]&&(a=!1)}else if("s"!=g&&"n"!=g){if(r||i<=e)return!1;a=!1,i--}else{if(i<=e||s<g!=r)return!1;a=!1}else"s"!=g&&"n"!=g&&(a=!1,i--)}}var t=[],o=t.pop.bind(t);for(n=1;n<range.length;n++){var u=range[n];t.push(1==u?o()|o():2==u?o()&o():u?satisfy(u,version):!o())}return!!o();'
  535. ])}`;
  536. //#endregion