| [6a3a178] | 1 | "use strict";
|
|---|
| 2 | var __spreadArray = (this && this.__spreadArray) || function (to, from) {
|
|---|
| 3 | for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
|
|---|
| 4 | to[j] = from[i];
|
|---|
| 5 | return to;
|
|---|
| 6 | };
|
|---|
| 7 | Object.defineProperty(exports, "__esModule", { value: true });
|
|---|
| 8 | exports.isTraversal = void 0;
|
|---|
| 9 | var reName = /^[^\\#]?(?:\\(?:[\da-f]{1,6}\s?|.)|[\w\-\u00b0-\uFFFF])+/;
|
|---|
| 10 | var reEscape = /\\([\da-f]{1,6}\s?|(\s)|.)/gi;
|
|---|
| 11 | var actionTypes = new Map([
|
|---|
| 12 | ["~", "element"],
|
|---|
| 13 | ["^", "start"],
|
|---|
| 14 | ["$", "end"],
|
|---|
| 15 | ["*", "any"],
|
|---|
| 16 | ["!", "not"],
|
|---|
| 17 | ["|", "hyphen"],
|
|---|
| 18 | ]);
|
|---|
| 19 | var Traversals = {
|
|---|
| 20 | ">": "child",
|
|---|
| 21 | "<": "parent",
|
|---|
| 22 | "~": "sibling",
|
|---|
| 23 | "+": "adjacent",
|
|---|
| 24 | };
|
|---|
| 25 | var attribSelectors = {
|
|---|
| 26 | "#": ["id", "equals"],
|
|---|
| 27 | ".": ["class", "element"],
|
|---|
| 28 | };
|
|---|
| 29 | // Pseudos, whose data property is parsed as well.
|
|---|
| 30 | var unpackPseudos = new Set([
|
|---|
| 31 | "has",
|
|---|
| 32 | "not",
|
|---|
| 33 | "matches",
|
|---|
| 34 | "is",
|
|---|
| 35 | "host",
|
|---|
| 36 | "host-context",
|
|---|
| 37 | ]);
|
|---|
| 38 | var traversalNames = new Set(__spreadArray([
|
|---|
| 39 | "descendant"
|
|---|
| 40 | ], Object.keys(Traversals).map(function (k) { return Traversals[k]; })));
|
|---|
| 41 | /**
|
|---|
| 42 | * Attributes that are case-insensitive in HTML.
|
|---|
| 43 | *
|
|---|
| 44 | * @private
|
|---|
| 45 | * @see https://html.spec.whatwg.org/multipage/semantics-other.html#case-sensitivity-of-selectors
|
|---|
| 46 | */
|
|---|
| 47 | var caseInsensitiveAttributes = new Set([
|
|---|
| 48 | "accept",
|
|---|
| 49 | "accept-charset",
|
|---|
| 50 | "align",
|
|---|
| 51 | "alink",
|
|---|
| 52 | "axis",
|
|---|
| 53 | "bgcolor",
|
|---|
| 54 | "charset",
|
|---|
| 55 | "checked",
|
|---|
| 56 | "clear",
|
|---|
| 57 | "codetype",
|
|---|
| 58 | "color",
|
|---|
| 59 | "compact",
|
|---|
| 60 | "declare",
|
|---|
| 61 | "defer",
|
|---|
| 62 | "dir",
|
|---|
| 63 | "direction",
|
|---|
| 64 | "disabled",
|
|---|
| 65 | "enctype",
|
|---|
| 66 | "face",
|
|---|
| 67 | "frame",
|
|---|
| 68 | "hreflang",
|
|---|
| 69 | "http-equiv",
|
|---|
| 70 | "lang",
|
|---|
| 71 | "language",
|
|---|
| 72 | "link",
|
|---|
| 73 | "media",
|
|---|
| 74 | "method",
|
|---|
| 75 | "multiple",
|
|---|
| 76 | "nohref",
|
|---|
| 77 | "noresize",
|
|---|
| 78 | "noshade",
|
|---|
| 79 | "nowrap",
|
|---|
| 80 | "readonly",
|
|---|
| 81 | "rel",
|
|---|
| 82 | "rev",
|
|---|
| 83 | "rules",
|
|---|
| 84 | "scope",
|
|---|
| 85 | "scrolling",
|
|---|
| 86 | "selected",
|
|---|
| 87 | "shape",
|
|---|
| 88 | "target",
|
|---|
| 89 | "text",
|
|---|
| 90 | "type",
|
|---|
| 91 | "valign",
|
|---|
| 92 | "valuetype",
|
|---|
| 93 | "vlink",
|
|---|
| 94 | ]);
|
|---|
| 95 | /**
|
|---|
| 96 | * Checks whether a specific selector is a traversal.
|
|---|
| 97 | * This is useful eg. in swapping the order of elements that
|
|---|
| 98 | * are not traversals.
|
|---|
| 99 | *
|
|---|
| 100 | * @param selector Selector to check.
|
|---|
| 101 | */
|
|---|
| 102 | function isTraversal(selector) {
|
|---|
| 103 | return traversalNames.has(selector.type);
|
|---|
| 104 | }
|
|---|
| 105 | exports.isTraversal = isTraversal;
|
|---|
| 106 | var stripQuotesFromPseudos = new Set(["contains", "icontains"]);
|
|---|
| 107 | var quotes = new Set(['"', "'"]);
|
|---|
| 108 | // Unescape function taken from https://github.com/jquery/sizzle/blob/master/src/sizzle.js#L152
|
|---|
| 109 | function funescape(_, escaped, escapedWhitespace) {
|
|---|
| 110 | var high = parseInt(escaped, 16) - 0x10000;
|
|---|
| 111 | // NaN means non-codepoint
|
|---|
| 112 | return high !== high || escapedWhitespace
|
|---|
| 113 | ? escaped
|
|---|
| 114 | : high < 0
|
|---|
| 115 | ? // BMP codepoint
|
|---|
| 116 | String.fromCharCode(high + 0x10000)
|
|---|
| 117 | : // Supplemental Plane codepoint (surrogate pair)
|
|---|
| 118 | String.fromCharCode((high >> 10) | 0xd800, (high & 0x3ff) | 0xdc00);
|
|---|
| 119 | }
|
|---|
| 120 | function unescapeCSS(str) {
|
|---|
| 121 | return str.replace(reEscape, funescape);
|
|---|
| 122 | }
|
|---|
| 123 | function isWhitespace(c) {
|
|---|
| 124 | return c === " " || c === "\n" || c === "\t" || c === "\f" || c === "\r";
|
|---|
| 125 | }
|
|---|
| 126 | /**
|
|---|
| 127 | * Parses `selector`, optionally with the passed `options`.
|
|---|
| 128 | *
|
|---|
| 129 | * @param selector Selector to parse.
|
|---|
| 130 | * @param options Options for parsing.
|
|---|
| 131 | * @returns Returns a two-dimensional array.
|
|---|
| 132 | * The first dimension represents selectors separated by commas (eg. `sub1, sub2`),
|
|---|
| 133 | * the second contains the relevant tokens for that selector.
|
|---|
| 134 | */
|
|---|
| 135 | function parse(selector, options) {
|
|---|
| 136 | var subselects = [];
|
|---|
| 137 | var endIndex = parseSelector(subselects, "" + selector, options, 0);
|
|---|
| 138 | if (endIndex < selector.length) {
|
|---|
| 139 | throw new Error("Unmatched selector: " + selector.slice(endIndex));
|
|---|
| 140 | }
|
|---|
| 141 | return subselects;
|
|---|
| 142 | }
|
|---|
| 143 | exports.default = parse;
|
|---|
| 144 | function parseSelector(subselects, selector, options, selectorIndex) {
|
|---|
| 145 | var _a, _b;
|
|---|
| 146 | if (options === void 0) { options = {}; }
|
|---|
| 147 | var tokens = [];
|
|---|
| 148 | var sawWS = false;
|
|---|
| 149 | function getName(offset) {
|
|---|
| 150 | var match = selector.slice(selectorIndex + offset).match(reName);
|
|---|
| 151 | if (!match) {
|
|---|
| 152 | throw new Error("Expected name, found " + selector.slice(selectorIndex));
|
|---|
| 153 | }
|
|---|
| 154 | var name = match[0];
|
|---|
| 155 | selectorIndex += offset + name.length;
|
|---|
| 156 | return unescapeCSS(name);
|
|---|
| 157 | }
|
|---|
| 158 | function stripWhitespace(offset) {
|
|---|
| 159 | while (isWhitespace(selector.charAt(selectorIndex + offset)))
|
|---|
| 160 | offset++;
|
|---|
| 161 | selectorIndex += offset;
|
|---|
| 162 | }
|
|---|
| 163 | function isEscaped(pos) {
|
|---|
| 164 | var slashCount = 0;
|
|---|
| 165 | while (selector.charAt(--pos) === "\\")
|
|---|
| 166 | slashCount++;
|
|---|
| 167 | return (slashCount & 1) === 1;
|
|---|
| 168 | }
|
|---|
| 169 | function ensureNotTraversal() {
|
|---|
| 170 | if (tokens.length > 0 && isTraversal(tokens[tokens.length - 1])) {
|
|---|
| 171 | throw new Error("Did not expect successive traversals.");
|
|---|
| 172 | }
|
|---|
| 173 | }
|
|---|
| 174 | stripWhitespace(0);
|
|---|
| 175 | while (selector !== "") {
|
|---|
| 176 | var firstChar = selector.charAt(selectorIndex);
|
|---|
| 177 | if (isWhitespace(firstChar)) {
|
|---|
| 178 | sawWS = true;
|
|---|
| 179 | stripWhitespace(1);
|
|---|
| 180 | }
|
|---|
| 181 | else if (firstChar in Traversals) {
|
|---|
| 182 | ensureNotTraversal();
|
|---|
| 183 | tokens.push({ type: Traversals[firstChar] });
|
|---|
| 184 | sawWS = false;
|
|---|
| 185 | stripWhitespace(1);
|
|---|
| 186 | }
|
|---|
| 187 | else if (firstChar === ",") {
|
|---|
| 188 | if (tokens.length === 0) {
|
|---|
| 189 | throw new Error("Empty sub-selector");
|
|---|
| 190 | }
|
|---|
| 191 | subselects.push(tokens);
|
|---|
| 192 | tokens = [];
|
|---|
| 193 | sawWS = false;
|
|---|
| 194 | stripWhitespace(1);
|
|---|
| 195 | }
|
|---|
| 196 | else if (selector.startsWith("/*", selectorIndex)) {
|
|---|
| 197 | var endIndex = selector.indexOf("*/", selectorIndex + 2);
|
|---|
| 198 | if (endIndex < 0) {
|
|---|
| 199 | throw new Error("Comment was not terminated");
|
|---|
| 200 | }
|
|---|
| 201 | selectorIndex = endIndex + 2;
|
|---|
| 202 | }
|
|---|
| 203 | else {
|
|---|
| 204 | if (sawWS) {
|
|---|
| 205 | ensureNotTraversal();
|
|---|
| 206 | tokens.push({ type: "descendant" });
|
|---|
| 207 | sawWS = false;
|
|---|
| 208 | }
|
|---|
| 209 | if (firstChar in attribSelectors) {
|
|---|
| 210 | var _c = attribSelectors[firstChar], name_1 = _c[0], action = _c[1];
|
|---|
| 211 | tokens.push({
|
|---|
| 212 | type: "attribute",
|
|---|
| 213 | name: name_1,
|
|---|
| 214 | action: action,
|
|---|
| 215 | value: getName(1),
|
|---|
| 216 | namespace: null,
|
|---|
| 217 | // TODO: Add quirksMode option, which makes `ignoreCase` `true` for HTML.
|
|---|
| 218 | ignoreCase: options.xmlMode ? null : false,
|
|---|
| 219 | });
|
|---|
| 220 | }
|
|---|
| 221 | else if (firstChar === "[") {
|
|---|
| 222 | stripWhitespace(1);
|
|---|
| 223 | // Determine attribute name and namespace
|
|---|
| 224 | var name_2 = void 0;
|
|---|
| 225 | var namespace = null;
|
|---|
| 226 | if (selector.charAt(selectorIndex) === "|") {
|
|---|
| 227 | namespace = "";
|
|---|
| 228 | selectorIndex += 1;
|
|---|
| 229 | }
|
|---|
| 230 | if (selector.startsWith("*|", selectorIndex)) {
|
|---|
| 231 | namespace = "*";
|
|---|
| 232 | selectorIndex += 2;
|
|---|
| 233 | }
|
|---|
| 234 | name_2 = getName(0);
|
|---|
| 235 | if (namespace === null &&
|
|---|
| 236 | selector.charAt(selectorIndex) === "|" &&
|
|---|
| 237 | selector.charAt(selectorIndex + 1) !== "=") {
|
|---|
| 238 | namespace = name_2;
|
|---|
| 239 | name_2 = getName(1);
|
|---|
| 240 | }
|
|---|
| 241 | if ((_a = options.lowerCaseAttributeNames) !== null && _a !== void 0 ? _a : !options.xmlMode) {
|
|---|
| 242 | name_2 = name_2.toLowerCase();
|
|---|
| 243 | }
|
|---|
| 244 | stripWhitespace(0);
|
|---|
| 245 | // Determine comparison operation
|
|---|
| 246 | var action = "exists";
|
|---|
| 247 | var possibleAction = actionTypes.get(selector.charAt(selectorIndex));
|
|---|
| 248 | if (possibleAction) {
|
|---|
| 249 | action = possibleAction;
|
|---|
| 250 | if (selector.charAt(selectorIndex + 1) !== "=") {
|
|---|
| 251 | throw new Error("Expected `=`");
|
|---|
| 252 | }
|
|---|
| 253 | stripWhitespace(2);
|
|---|
| 254 | }
|
|---|
| 255 | else if (selector.charAt(selectorIndex) === "=") {
|
|---|
| 256 | action = "equals";
|
|---|
| 257 | stripWhitespace(1);
|
|---|
| 258 | }
|
|---|
| 259 | // Determine value
|
|---|
| 260 | var value = "";
|
|---|
| 261 | var ignoreCase = null;
|
|---|
| 262 | if (action !== "exists") {
|
|---|
| 263 | if (quotes.has(selector.charAt(selectorIndex))) {
|
|---|
| 264 | var quote = selector.charAt(selectorIndex);
|
|---|
| 265 | var sectionEnd = selectorIndex + 1;
|
|---|
| 266 | while (sectionEnd < selector.length &&
|
|---|
| 267 | (selector.charAt(sectionEnd) !== quote ||
|
|---|
| 268 | isEscaped(sectionEnd))) {
|
|---|
| 269 | sectionEnd += 1;
|
|---|
| 270 | }
|
|---|
| 271 | if (selector.charAt(sectionEnd) !== quote) {
|
|---|
| 272 | throw new Error("Attribute value didn't end");
|
|---|
| 273 | }
|
|---|
| 274 | value = unescapeCSS(selector.slice(selectorIndex + 1, sectionEnd));
|
|---|
| 275 | selectorIndex = sectionEnd + 1;
|
|---|
| 276 | }
|
|---|
| 277 | else {
|
|---|
| 278 | var valueStart = selectorIndex;
|
|---|
| 279 | while (selectorIndex < selector.length &&
|
|---|
| 280 | ((!isWhitespace(selector.charAt(selectorIndex)) &&
|
|---|
| 281 | selector.charAt(selectorIndex) !== "]") ||
|
|---|
| 282 | isEscaped(selectorIndex))) {
|
|---|
| 283 | selectorIndex += 1;
|
|---|
| 284 | }
|
|---|
| 285 | value = unescapeCSS(selector.slice(valueStart, selectorIndex));
|
|---|
| 286 | }
|
|---|
| 287 | stripWhitespace(0);
|
|---|
| 288 | // See if we have a force ignore flag
|
|---|
| 289 | var forceIgnore = selector.charAt(selectorIndex);
|
|---|
| 290 | // If the forceIgnore flag is set (either `i` or `s`), use that value
|
|---|
| 291 | if (forceIgnore === "s" || forceIgnore === "S") {
|
|---|
| 292 | ignoreCase = false;
|
|---|
| 293 | stripWhitespace(1);
|
|---|
| 294 | }
|
|---|
| 295 | else if (forceIgnore === "i" || forceIgnore === "I") {
|
|---|
| 296 | ignoreCase = true;
|
|---|
| 297 | stripWhitespace(1);
|
|---|
| 298 | }
|
|---|
| 299 | }
|
|---|
| 300 | // If `xmlMode` is set, there are no rules; otherwise, use the `caseInsensitiveAttributes` list.
|
|---|
| 301 | if (!options.xmlMode) {
|
|---|
| 302 | // TODO: Skip this for `exists`, as there is no value to compare to.
|
|---|
| 303 | ignoreCase !== null && ignoreCase !== void 0 ? ignoreCase : (ignoreCase = caseInsensitiveAttributes.has(name_2));
|
|---|
| 304 | }
|
|---|
| 305 | if (selector.charAt(selectorIndex) !== "]") {
|
|---|
| 306 | throw new Error("Attribute selector didn't terminate");
|
|---|
| 307 | }
|
|---|
| 308 | selectorIndex += 1;
|
|---|
| 309 | var attributeSelector = {
|
|---|
| 310 | type: "attribute",
|
|---|
| 311 | name: name_2,
|
|---|
| 312 | action: action,
|
|---|
| 313 | value: value,
|
|---|
| 314 | namespace: namespace,
|
|---|
| 315 | ignoreCase: ignoreCase,
|
|---|
| 316 | };
|
|---|
| 317 | tokens.push(attributeSelector);
|
|---|
| 318 | }
|
|---|
| 319 | else if (firstChar === ":") {
|
|---|
| 320 | if (selector.charAt(selectorIndex + 1) === ":") {
|
|---|
| 321 | tokens.push({
|
|---|
| 322 | type: "pseudo-element",
|
|---|
| 323 | name: getName(2).toLowerCase(),
|
|---|
| 324 | });
|
|---|
| 325 | continue;
|
|---|
| 326 | }
|
|---|
| 327 | var name_3 = getName(1).toLowerCase();
|
|---|
| 328 | var data = null;
|
|---|
| 329 | if (selector.charAt(selectorIndex) === "(") {
|
|---|
| 330 | if (unpackPseudos.has(name_3)) {
|
|---|
| 331 | if (quotes.has(selector.charAt(selectorIndex + 1))) {
|
|---|
| 332 | throw new Error("Pseudo-selector " + name_3 + " cannot be quoted");
|
|---|
| 333 | }
|
|---|
| 334 | data = [];
|
|---|
| 335 | selectorIndex = parseSelector(data, selector, options, selectorIndex + 1);
|
|---|
| 336 | if (selector.charAt(selectorIndex) !== ")") {
|
|---|
| 337 | throw new Error("Missing closing parenthesis in :" + name_3 + " (" + selector + ")");
|
|---|
| 338 | }
|
|---|
| 339 | selectorIndex += 1;
|
|---|
| 340 | }
|
|---|
| 341 | else {
|
|---|
| 342 | selectorIndex += 1;
|
|---|
| 343 | var start = selectorIndex;
|
|---|
| 344 | var counter = 1;
|
|---|
| 345 | for (; counter > 0 && selectorIndex < selector.length; selectorIndex++) {
|
|---|
| 346 | if (selector.charAt(selectorIndex) === "(" &&
|
|---|
| 347 | !isEscaped(selectorIndex)) {
|
|---|
| 348 | counter++;
|
|---|
| 349 | }
|
|---|
| 350 | else if (selector.charAt(selectorIndex) === ")" &&
|
|---|
| 351 | !isEscaped(selectorIndex)) {
|
|---|
| 352 | counter--;
|
|---|
| 353 | }
|
|---|
| 354 | }
|
|---|
| 355 | if (counter) {
|
|---|
| 356 | throw new Error("Parenthesis not matched");
|
|---|
| 357 | }
|
|---|
| 358 | data = selector.slice(start, selectorIndex - 1);
|
|---|
| 359 | if (stripQuotesFromPseudos.has(name_3)) {
|
|---|
| 360 | var quot = data.charAt(0);
|
|---|
| 361 | if (quot === data.slice(-1) && quotes.has(quot)) {
|
|---|
| 362 | data = data.slice(1, -1);
|
|---|
| 363 | }
|
|---|
| 364 | data = unescapeCSS(data);
|
|---|
| 365 | }
|
|---|
| 366 | }
|
|---|
| 367 | }
|
|---|
| 368 | tokens.push({ type: "pseudo", name: name_3, data: data });
|
|---|
| 369 | }
|
|---|
| 370 | else {
|
|---|
| 371 | var namespace = null;
|
|---|
| 372 | var name_4 = void 0;
|
|---|
| 373 | if (firstChar === "*") {
|
|---|
| 374 | selectorIndex += 1;
|
|---|
| 375 | name_4 = "*";
|
|---|
| 376 | }
|
|---|
| 377 | else if (reName.test(selector.slice(selectorIndex))) {
|
|---|
| 378 | if (selector.charAt(selectorIndex) === "|") {
|
|---|
| 379 | namespace = "";
|
|---|
| 380 | selectorIndex += 1;
|
|---|
| 381 | }
|
|---|
| 382 | name_4 = getName(0);
|
|---|
| 383 | }
|
|---|
| 384 | else {
|
|---|
| 385 | /*
|
|---|
| 386 | * We have finished parsing the selector.
|
|---|
| 387 | * Remove descendant tokens at the end if they exist,
|
|---|
| 388 | * and return the last index, so that parsing can be
|
|---|
| 389 | * picked up from here.
|
|---|
| 390 | */
|
|---|
| 391 | if (tokens.length &&
|
|---|
| 392 | tokens[tokens.length - 1].type === "descendant") {
|
|---|
| 393 | tokens.pop();
|
|---|
| 394 | }
|
|---|
| 395 | addToken(subselects, tokens);
|
|---|
| 396 | return selectorIndex;
|
|---|
| 397 | }
|
|---|
| 398 | if (selector.charAt(selectorIndex) === "|") {
|
|---|
| 399 | namespace = name_4;
|
|---|
| 400 | if (selector.charAt(selectorIndex + 1) === "*") {
|
|---|
| 401 | name_4 = "*";
|
|---|
| 402 | selectorIndex += 2;
|
|---|
| 403 | }
|
|---|
| 404 | else {
|
|---|
| 405 | name_4 = getName(1);
|
|---|
| 406 | }
|
|---|
| 407 | }
|
|---|
| 408 | if (name_4 === "*") {
|
|---|
| 409 | tokens.push({ type: "universal", namespace: namespace });
|
|---|
| 410 | }
|
|---|
| 411 | else {
|
|---|
| 412 | if ((_b = options.lowerCaseTags) !== null && _b !== void 0 ? _b : !options.xmlMode) {
|
|---|
| 413 | name_4 = name_4.toLowerCase();
|
|---|
| 414 | }
|
|---|
| 415 | tokens.push({ type: "tag", name: name_4, namespace: namespace });
|
|---|
| 416 | }
|
|---|
| 417 | }
|
|---|
| 418 | }
|
|---|
| 419 | }
|
|---|
| 420 | addToken(subselects, tokens);
|
|---|
| 421 | return selectorIndex;
|
|---|
| 422 | }
|
|---|
| 423 | function addToken(subselects, tokens) {
|
|---|
| 424 | if (subselects.length > 0 && tokens.length === 0) {
|
|---|
| 425 | throw new Error("Empty sub-selector");
|
|---|
| 426 | }
|
|---|
| 427 | subselects.push(tokens);
|
|---|
| 428 | }
|
|---|
