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How to use badescape method in Playwright Internal

Best JavaScript code snippet using playwright-internal

vimtokenizer.js

Source:vimtokenizer.js

...62        }63        function whitespace(code) {64            return newline(code) || code == 9 || code == 0x20;65        }66        function badescape(code) {67            return newline(code) || isNaN(code);68        }69        // Note: I'm not yet acting smart enough to actually handle astral characters.70        var maximumallowedcodepoint = 0x10ffff;71        function tokenize(str, options) {72            if (options == undefined)73                options = {74                    transformFunctionWhitespace : false,75                    scientificNotation : false76                };77            var i = -1;78            var tokens = [];79            var state = "data";80            var code;81            var currtoken;82            // Line number information.83            var line = 0;84            var column = 0;85            // The only use of lastLineLength is in reconsume().86            var lastLineLength = 0;87            var incrLineno = function() {88                line += 1;89                lastLineLength = column;90                column = 0;91            };92            var locStart = {93                line : line,94                column : column95            };96            var next = function(num) {97                if (num === undefined)98                    num = 1;99                return str.charCodeAt(i + num);100            };101            var consume = function(num) {102                if (num === undefined)103                    num = 1;104                i += num;105                code = str.charCodeAt(i);106                if (newline(code))107                    incrLineno();108                else109                    column += num;110                //console.log('Consume '+i+' '+String.fromCharCode(code) + ' 0x' + code.toString(16));111                return true;112            };113            var reconsume = function() {114                i -= 1;115                if (newline(code)) {116                    line -= 1;117                    column = lastLineLength;118                } else {119                    column -= 1;120                }121                locStart.line = line;122                locStart.column = column;123                return true;124            };125            var eof = function() {126                return i >= str.length;127            };128            var donothing = function() {129            };130            var emit = function(token) {131                if (token) {132                    token.finish();133                } else {134                    token = currtoken.finish();135                }136                if (options.loc === true) {137                    token.loc = {};138                    token.loc.start = {139                        line : locStart.line,140                        column : locStart.column141                    };142                    locStart = {143                        line : line,144                        column : column145                    };146                    token.loc.end = locStart;147                }148                tokens.push(token);149                //console.log('Emitting ' + token);150                currtoken = undefined;151                return true;152            };153            var create = function(token) {154                currtoken = token;155                return true;156            };157            var parseerror = function() {158                console.log("Parse error at index " + i + ", processing codepoint 0x" + code.toString(16) + " in state " + state + ".");159                return true;160            };161            var catchfire = function(msg) {162                console.log("MAJOR SPEC ERROR: " + msg);163                return true;164            }165            var switchto = function(newstate) {166                state = newstate;167                //console.log('Switching to ' + state);168                return true;169            };170            var consumeEscape = function() {171                // Assume the the current character is the \172                consume();173                if (hexdigit(code)) {174                    // Consume 1-6 hex digits175                    var digits = [];176                    for (var total = 0; total < 6; total++) {177                        if (hexdigit(code)) {178                            digits.push(code);179                            consume();180                        } else {181                            break;182                        }183                    }184                    var value = parseInt(digits.map(String.fromCharCode).join(''), 16);185                    if (value > maximumallowedcodepoint)186                        value = 0xfffd;187                    // If the current char is whitespace, cool, we'll just eat it.188                    // Otherwise, put it back.189                    if (!whitespace(code))190                        reconsume();191                    return value;192                } else {193                    return code;194                }195            };196            for (; ; ) {197                if (i > str.length * 2)198                    return "I'm infinite-looping!";199                consume();200                switch(state) {201                    case "data":202                        if (whitespace(code)) {203                            emit(new WhitespaceToken);204                            while (whitespace(next()))consume();205                        } else if (code == 0x22)206                            switchto("double-quote-string");207                        else if (code == 0x23)208                            switchto("hash");209                        else if (code == 0x27)210                            switchto("single-quote-string");211                        else if (code == 0x28)212                            emit(new OpenParenToken);213                        else if (code == 0x29)214                            emit(new CloseParenToken);215                        else if (code == 0x2b) {216                            if (digit(next()) || (next() == 0x2e && digit(next(2))))217                                switchto("number") && reconsume();218                            else219                                emit(new DelimToken(code));220                        } else if (code == 0x2d) {221                            if (next(1) == 0x2d && next(2) == 0x3e)222                                consume(2) && emit(new CDCToken);223                            else if (digit(next()) || (next(1) == 0x2e && digit(next(2))))224                                switchto("number") && reconsume();225                            else226                                switchto('ident') && reconsume();227                        } else if (code == 0x2e) {228                            if (digit(next()))229                                switchto("number") && reconsume();230                            else231                                emit(new DelimToken(code));232                        } else if (code == 0x2f) {233                            if (next() == 0x2a)234                                consume() && switchto("comment");235                            else236                                emit(new DelimToken(code));237                        } else if (code == 0x3a)238                            emit(new ColonToken);239                        else if (code == 0x3b)240                            emit(new SemicolonToken);241                        else if (code == 0x3c) {242                            if (next(1) == 0x21 && next(2) == 0x2d && next(3) == 0x2d)243                                consume(3) && emit(new CDOToken);244                            else245                                emit(new DelimToken(code));246                        } else if (code == 0x40)247                            switchto("at-keyword");248                        else if (code == 0x5b)249                            emit(new OpenSquareToken);250                        else if (code == 0x5c) {251                            if (badescape(next()))252                                parseerror() && emit(new DelimToken(code));253                            else254                                switchto('ident') && reconsume();255                        } else if (code == 0x5d)256                            emit(new CloseSquareToken);257                        else if (code == 0x7b)258                            emit(new OpenCurlyToken);259                        else if (code == 0x7d)260                            emit(new CloseCurlyToken);261                        else if (digit(code))262                            switchto("number") && reconsume();263                        else if (code == 0x55 || code == 0x75) {264                            if (next(1) == 0x2b && hexdigit(next(2)))265                                consume() && switchto("unicode-range");266                            else267                                switchto('ident') && reconsume();268                        } else if (namestartchar(code))269                            switchto('ident') && reconsume();270                        else if (eof()) {271                            emit(new EOFToken);272                            return tokens;273                        } else274                            emit(new DelimToken(code));275                        break;276                    case "double-quote-string":277                        if (currtoken == undefined)278                            create(new StringToken);279                        if (code == 0x22)280                            emit() && switchto("data");281                        else if (eof())282                            parseerror() && emit() && switchto("data") && reconsume();283                        else if (newline(code))284                            parseerror() && emit(new BadStringToken) && switchto("data") && reconsume();285                        else if (code == 0x5c) {286                            if (badescape(next()))287                                parseerror() && emit(new BadStringToken) && switchto("data");288                            else if (newline(next()))289                                consume();290                            else291                                currtoken.append(consumeEscape());292                        } else293                            currtoken.append(code);294                        break;295                    case "single-quote-string":296                        if (currtoken == undefined)297                            create(new StringToken);298                        if (code == 0x27)299                            emit() && switchto("data");300                        else if (eof())301                            parseerror() && emit() && switchto("data");302                        else if (newline(code))303                            parseerror() && emit(new BadStringToken) && switchto("data") && reconsume();304                        else if (code == 0x5c) {305                            if (badescape(next()))306                                parseerror() && emit(new BadStringToken) && switchto("data");307                            else if (newline(next()))308                                consume();309                            else310                                currtoken.append(consumeEscape());311                        } else312                            currtoken.append(code);313                        break;314                    case "hash":315                        if (namechar(code))316                            create(new HashToken(code)) && switchto("hash-rest");317                        else if (code == 0x5c) {318                            if (badescape(next()))319                                parseerror() && emit(new DelimToken(0x23)) && switchto("data") && reconsume();320                            else321                                create(new HashToken(consumeEscape())) && switchto('hash-rest');322                        } else323                            emit(new DelimToken(0x23)) && switchto('data') && reconsume();324                        break;325                    case "hash-rest":326                        if (namechar(code))327                            currtoken.append(code);328                        else if (code == 0x5c) {329                            if (badescape(next()))330                                parseerror() && emit() && switchto("data") && reconsume();331                            else332                                currtoken.append(consumeEscape());333                        } else334                            emit() && switchto('data') && reconsume();335                        break;336                    case "comment":337                        if (code == 0x2a) {338                            if (next() == 0x2f)339                                consume() && switchto('data');340                            else341                                donothing();342                        } else if (eof())343                            parseerror() && switchto('data') && reconsume();344                        else345                            donothing();346                        break;347                    case "at-keyword":348                        if (code == 0x2d) {349                            if (namestartchar(next()))350                                create(new AtKeywordToken(0x2d)) && switchto('at-keyword-rest');351                            else if (next(1) == 0x5c && !badescape(next(2)))352                                create(new AtKeywordtoken(0x2d)) && switchto('at-keyword-rest');353                            else354                                parseerror() && emit(new DelimToken(0x40)) && switchto('data') && reconsume();355                        } else if (namestartchar(code))356                            create(new AtKeywordToken(code)) && switchto('at-keyword-rest');357                        else if (code == 0x5c) {358                            if (badescape(next()))359                                parseerror() && emit(new DelimToken(0x23)) && switchto("data") && reconsume();360                            else361                                create(new AtKeywordToken(consumeEscape())) && switchto('at-keyword-rest');362                        } else363                            emit(new DelimToken(0x40)) && switchto('data') && reconsume();364                        break;365                    case "at-keyword-rest":366                        if (namechar(code))367                            currtoken.append(code);368                        else if (code == 0x5c) {369                            if (badescape(next()))370                                parseerror() && emit() && switchto("data") && reconsume();371                            else372                                currtoken.append(consumeEscape());373                        } else374                            emit() && switchto('data') && reconsume();375                        break;376                    case "ident":377                        if (code == 0x2d) {378                            if (namestartchar(next()))379                                create(new IdentifierToken(code)) && switchto('ident-rest');380                            else if (next(1) == 0x5c && !badescape(next(2)))381                                create(new IdentifierToken(code)) && switchto('ident-rest');382                            else383                                emit(new DelimToken(0x2d)) && switchto('data');384                        } else if (namestartchar(code))385                            create(new IdentifierToken(code)) && switchto('ident-rest');386                        else if (code == 0x5c) {387                            if (badescape(next()))388                                parseerror() && switchto("data") && reconsume();389                            else390                                create(new IdentifierToken(consumeEscape())) && switchto('ident-rest');391                        } else392                            catchfire("Hit the generic 'else' clause in ident state.") && switchto('data') && reconsume();393                        break;394                    case "ident-rest":395                        if (namechar(code))396                            currtoken.append(code);397                        else if (code == 0x5c) {398                            if (badescape(next()))399                                parseerror() && emit() && switchto("data") && reconsume();400                            else401                                currtoken.append(consumeEscape());402                        } else if (code == 0x28) {403                            if (currtoken.ASCIImatch('url'))404                                switchto('url');405                            else406                                emit(new FunctionToken(currtoken)) && switchto('data');407                        } else if (whitespace(code) && options.transformFunctionWhitespace)408                            switchto('transform-function-whitespace') && reconsume();409                        else410                            emit() && switchto('data') && reconsume();411                        break;412                    case "transform-function-whitespace":413                        if (whitespace(next()))414                            donothing();415                        else if (code == 0x28)416                            emit(new FunctionToken(currtoken)) && switchto('data');417                        else418                            emit() && switchto('data') && reconsume();419                        break;420                    case "number":421                        create(new NumberToken());422                        if (code == 0x2d) {423                            if (digit(next()))424                                consume() && currtoken.append([0x2d, code]) && switchto('number-rest');425                            else if (next(1) == 0x2e && digit(next(2)))426                                consume(2) && currtoken.append([0x2d, 0x2e, code]) && switchto('number-fraction');427                            else428                                switchto('data') && reconsume();429                        } else if (code == 0x2b) {430                            if (digit(next()))431                                consume() && currtoken.append([0x2b, code]) && switchto('number-rest');432                            else if (next(1) == 0x2e && digit(next(2)))433                                consume(2) && currtoken.append([0x2b, 0x2e, code]) && switchto('number-fraction');434                            else435                                switchto('data') && reconsume();436                        } else if (digit(code))437                            currtoken.append(code) && switchto('number-rest');438                        else if (code == 0x2e) {439                            if (digit(next()))440                                consume() && currtoken.append([0x2e, code]) && switchto('number-fraction');441                            else442                                switchto('data') && reconsume();443                        } else444                            switchto('data') && reconsume();445                        break;446                    case "number-rest":447                        if (digit(code))448                            currtoken.append(code);449                        else if (code == 0x2e) {450                            if (digit(next()))451                                consume() && currtoken.append([0x2e, code]) && switchto('number-fraction');452                            else453                                emit() && switchto('data') && reconsume();454                        } else if (code == 0x25)455                            emit(new PercentageToken(currtoken)) && switchto('data');456                        else if (code == 0x45 || code == 0x65) {457                            if (digit(next()))458                                consume() && currtoken.append([0x25, code]) && switchto('sci-notation');459                            else if ((next(1) == 0x2b || next(1) == 0x2d) && digit(next(2)))460                                currtoken.append([0x25, next(1), next(2)]) && consume(2) && switchto('sci-notation');461                            else462                                create(new DimensionToken(currtoken, code)) && switchto('dimension');463                        } else if (code == 0x2d) {464                            if (namestartchar(next()))465                                consume() && create(new DimensionToken(currtoken, [0x2d, code])) && switchto('dimension');466                            else if (next(1) == 0x5c && badescape(next(2)))467                                parseerror() && emit() && switchto('data') && reconsume();468                            else if (next(1) == 0x5c)469                                consume() && create(new DimensionToken(currtoken, [0x2d, consumeEscape()])) && switchto('dimension');470                            else471                                emit() && switchto('data') && reconsume();472                        } else if (namestartchar(code))473                            create(new DimensionToken(currtoken, code)) && switchto('dimension');474                        else if (code == 0x5c) {475                            if (badescape(next))476                                parseerror() && emit() && switchto('data') && reconsume();477                            else478                                create(new DimensionToken(currtoken, consumeEscape)) && switchto('dimension');479                        } else480                            emit() && switchto('data') && reconsume();481                        break;482                    case "number-fraction":483                        currtoken.type = "number";484                        if (digit(code))485                            currtoken.append(code);486                        else if (code == 0x25)487                            emit(new PercentageToken(currtoken)) && switchto('data');488                        else if (code == 0x45 || code == 0x65) {489                            if (digit(next()))490                                consume() && currtoken.append([0x65, code]) && switchto('sci-notation');491                            else if ((next(1) == 0x2b || next(1) == 0x2d) && digit(next(2)))492                                currtoken.append([0x65, next(1), next(2)]) && consume(2) && switchto('sci-notation');493                            else494                                create(new DimensionToken(currtoken, code)) && switchto('dimension');495                        } else if (code == 0x2d) {496                            if (namestartchar(next()))497                                consume() && create(new DimensionToken(currtoken, [0x2d, code])) && switchto('dimension');498                            else if (next(1) == 0x5c && badescape(next(2)))499                                parseerror() && emit() && switchto('data') && reconsume();500                            else if (next(1) == 0x5c)501                                consume() && create(new DimensionToken(currtoken, [0x2d, consumeEscape()])) && switchto('dimension');502                            else503                                emit() && switchto('data') && reconsume();504                        } else if (namestartchar(code))505                            create(new DimensionToken(currtoken, code)) && switchto('dimension');506                        else if (code == 0x5c) {507                            if (badescape(next))508                                parseerror() && emit() && switchto('data') && reconsume();509                            else510                                create(new DimensionToken(currtoken, consumeEscape())) && switchto('dimension');511                        } else512                            emit() && switchto('data') && reconsume();513                        break;514                    case "dimension":515                        if (namechar(code))516                            currtoken.append(code);517                        else if (code == 0x5c) {518                            if (badescape(next()))519                                parseerror() && emit() && switchto('data') && reconsume();520                            else521                                currtoken.append(consumeEscape());522                        } else523                            emit() && switchto('data') && reconsume();524                        break;525                    case "sci-notation":526                        currtoken.type = "number";527                        if (digit(code))528                            currtoken.append(code);529                        else530                            emit() && switchto('data') && reconsume();531                        break;532                    case "url":533                        if (eof())534                            parseerror() && emit(new BadURLToken) && switchto('data');535                        else if (code == 0x22)536                            switchto('url-double-quote');537                        else if (code == 0x27)538                            switchto('url-single-quote');539                        else if (code == 0x29)540                            emit(new URLToken) && switchto('data');541                        else if (whitespace(code))542                            donothing();543                        else544                            switchto('url-unquoted') && reconsume();545                        break;546                    case "url-double-quote":547                        if (!( currtoken instanceof URLToken))548                            create(new URLToken);549                        if (eof())550                            parseerror() && emit(new BadURLToken) && switchto('data');551                        else if (code == 0x22)552                            switchto('url-end');553                        else if (newline(code))554                            parseerror() && switchto('bad-url');555                        else if (code == 0x5c) {556                            if (newline(next()))557                                consume();558                            else if (badescape(next()))559                                parseerror() && emit(new BadURLToken) && switchto('data') && reconsume();560                            else561                                currtoken.append(consumeEscape());562                        } else563                            currtoken.append(code);564                        break;565                    case "url-single-quote":566                        if (!( currtoken instanceof URLToken))567                            create(new URLToken);568                        if (eof())569                            parseerror() && emit(new BadURLToken) && switchto('data');570                        else if (code == 0x27)571                            switchto('url-end');572                        else if (newline(code))573                            parseerror() && switchto('bad-url');574                        else if (code == 0x5c) {575                            if (newline(next()))576                                consume();577                            else if (badescape(next()))578                                parseerror() && emit(new BadURLToken) && switchto('data') && reconsume();579                            else580                                currtoken.append(consumeEscape());581                        } else582                            currtoken.append(code);583                        break;584                    case "url-end":585                        if (eof())586                            parseerror() && emit(new BadURLToken) && switchto('data');587                        else if (whitespace(code))588                            donothing();589                        else if (code == 0x29)590                            emit() && switchto('data');591                        else592                            parseerror() && switchto('bad-url') && reconsume();593                        break;594                    case "url-unquoted":595                        if (!( currtoken instanceof URLToken))596                            create(new URLToken);597                        if (eof())598                            parseerror() && emit(new BadURLToken) && switchto('data');599                        else if (whitespace(code))600                            switchto('url-end');601                        else if (code == 0x29)602                            emit() && switchto('data');603                        else if (code == 0x22 || code == 0x27 || code == 0x28 || nonprintable(code))604                            parseerror() && switchto('bad-url');605                        else if (code == 0x5c) {606                            if (badescape(next()))607                                parseerror() && switchto('bad-url');608                            else609                                currtoken.append(consumeEscape());610                        } else611                            currtoken.append(code);612                        break;613                    case "bad-url":614                        if (eof())615                            parseerror() && emit(new BadURLToken) && switchto('data');616                        else if (code == 0x29)617                            emit(new BadURLToken) && switchto('data');618                        else if (code == 0x5c) {619                            if (badescape(next()))620                                donothing();621                            else622                                consumeEscape();623                        } else624                            donothing();625                        break;626                    case "unicode-range":627                        // We already know that the current code is a hexdigit.628                        var start = [code], end = [code];629                        for (var total = 1; total < 6; total++) {630                            if (hexdigit(next())) {631                                consume();632                                start.push(code);633                                end.push(code);...

tokenizer.js

Source:tokenizer.js

...21function namechar(code) { return namestartchar(code) || digit(code) || code == 0x2d; }22function nonprintable(code) { return between(code, 0,8) || between(code, 0xe,0x1f) || between(code, 0x7f,0x9f); }23function newline(code) { return code == 0xa || code == 0xc; }24function whitespace(code) { return newline(code) || code == 9 || code == 0x20; }25function badescape(code) { return newline(code) || isNaN(code); }2627// Note: I'm not yet acting smart enough to actually handle astral characters.28var maximumallowedcodepoint = 0x10ffff;2930function tokenize(str, options) {31	if(options == undefined) options = {transformFunctionWhitespace:false, scientificNotation:false};32	var i = -1;33	var tokens = [];34	var state = "data";35	var code;36	var currtoken;3738	// Line number information.39	var line = 0;40	var column = 0;41	// The only use of lastLineLength is in reconsume().42	var lastLineLength = 0;43	var incrLineno = function() {44		line += 1;45		lastLineLength = column;46		column = 0;47	};48	var locStart = {line:line, column:column};4950	var next = function(num) { if(num === undefined) num = 1; return str.charCodeAt(i+num); };51	var consume = function(num) {52		if(num === undefined)53			num = 1;54		i += num;55		code = str.charCodeAt(i);56		if (newline(code)) incrLineno();57		else column += num;58		//console.log('Consume '+i+' '+String.fromCharCode(code) + ' 0x' + code.toString(16));59		return true;60	};61	var reconsume = function() {62		i -= 1;63		if (newline(code)) {64			line -= 1;65			column = lastLineLength;66		} else {67			column -= 1;68		}69		locStart.line = line;70		locStart.column = column;71		return true;72	};73	var eof = function() { return i >= str.length; };74	var donothing = function() {};75	var emit = function(token) {76		if(token) {77			token.finish();78		} else {79			token = currtoken.finish();80		}81		if (options.loc === true) {82			token.loc = {};83			token.loc.start = {line:locStart.line, column:locStart.column, idx: locStart.idx};84			locStart = {line: line, column: column, idx: i};85			token.loc.end = locStart;86		}87		tokens.push(token);88		//console.log('Emitting ' + token);89		currtoken = undefined;90		return true;91	};92	var create = function(token) { currtoken = token; return true; };93	// mozmod: disable console.log94	var parseerror = function() { /* console.log("Parse error at index " + i + ", processing codepoint 0x" + code.toString(16) + " in state " + state + "."); */ return true; };95	// mozmod: disable console.log96	var catchfire = function(msg) { /* console.log("MAJOR SPEC ERROR: " + msg); */ return true;}97	var switchto = function(newstate) {98		state = newstate;99		//console.log('Switching to ' + state);100		return true;101	};102	var consumeEscape = function() {103		// Assume the the current character is the \104		consume();105		if(hexdigit(code)) {106			// Consume 1-6 hex digits107			var digits = [];108			for(var total = 0; total < 6; total++) {109				if(hexdigit(code)) {110					digits.push(code);111					consume();112				} else { break; }113			}114			var value = parseInt(digits.map(String.fromCharCode).join(''), 16);115			if( value > maximumallowedcodepoint ) value = 0xfffd;116			// If the current char is whitespace, cool, we'll just eat it.117			// Otherwise, put it back.118			if(!whitespace(code)) reconsume();119			return value;120		} else {121			return code;122		}123	};124125	for(;;) {126		if(i > str.length*2) return "I'm infinite-looping!";127		consume();128		switch(state) {129		case "data":130			if(whitespace(code)) {131				emit(new WhitespaceToken);132				while(whitespace(next())) consume();133			}134			else if(code == 0x22) switchto("double-quote-string");135			else if(code == 0x23) switchto("hash");136			else if(code == 0x27) switchto("single-quote-string");137			else if(code == 0x28) emit(new OpenParenToken);138			else if(code == 0x29) emit(new CloseParenToken);139			else if(code == 0x2b) {140				if(digit(next()) || (next() == 0x2e && digit(next(2)))) switchto("number") && reconsume();141				else emit(new DelimToken(code));142			}143			else if(code == 0x2d) {144				if(next(1) == 0x2d && next(2) == 0x3e) consume(2) && emit(new CDCToken);145				else if(digit(next()) || (next(1) == 0x2e && digit(next(2)))) switchto("number") && reconsume();146				else switchto('ident') && reconsume();147			}148			else if(code == 0x2e) {149				if(digit(next())) switchto("number") && reconsume();150				else emit(new DelimToken(code));151			}152			else if(code == 0x2f) {153				if(next() == 0x2a) consume() && switchto("comment");154				else emit(new DelimToken(code));155			}156			else if(code == 0x3a) emit(new ColonToken);157			else if(code == 0x3b) emit(new SemicolonToken);158			else if(code == 0x3c) {159				if(next(1) == 0x21 && next(2) == 0x2d && next(3) == 0x2d) consume(3) && emit(new CDOToken);160				else emit(new DelimToken(code));161			}162			else if(code == 0x40) switchto("at-keyword");163			else if(code == 0x5b) emit(new OpenSquareToken);164			else if(code == 0x5c) {165				if(badescape(next())) parseerror() && emit(new DelimToken(code));166				else switchto('ident') && reconsume();167			}168			else if(code == 0x5d) emit(new CloseSquareToken);169			else if(code == 0x7b) emit(new OpenCurlyToken);170			else if(code == 0x7d) emit(new CloseCurlyToken);171			else if(digit(code)) switchto("number") && reconsume();172			else if(code == 0x55 || code == 0x75) {173				if(next(1) == 0x2b && hexdigit(next(2))) consume() && switchto("unicode-range");174				else switchto('ident') && reconsume();175			}176			else if(namestartchar(code)) switchto('ident') && reconsume();177			else if(eof()) { emit(new EOFToken); return tokens; }178			else emit(new DelimToken(code));179			break;180181		case "double-quote-string":182			if(currtoken == undefined) create(new StringToken);183184			if(code == 0x22) emit() && switchto("data");185			else if(eof()) parseerror() && emit() && switchto("data") && reconsume();186			else if(newline(code)) parseerror() && emit(new BadStringToken) && switchto("data") && reconsume();187			else if(code == 0x5c) {188				if(badescape(next())) parseerror() && emit(new BadStringToken) && switchto("data");189				else if(newline(next())) consume();190				else currtoken.append(consumeEscape());191			}192			else currtoken.append(code);193			break;194195		case "single-quote-string":196			if(currtoken == undefined) create(new StringToken);197198			if(code == 0x27) emit() && switchto("data");199			else if(eof()) parseerror() && emit() && switchto("data");200			else if(newline(code)) parseerror() && emit(new BadStringToken) && switchto("data") && reconsume();201			else if(code == 0x5c) {202				if(badescape(next())) parseerror() && emit(new BadStringToken) && switchto("data");203				else if(newline(next())) consume();204				else currtoken.append(consumeEscape());205			}206			else currtoken.append(code);207			break;208209		case "hash":210			if(namechar(code)) create(new HashToken(code)) && switchto("hash-rest");211			else if(code == 0x5c) {212				if(badescape(next())) parseerror() && emit(new DelimToken(0x23)) && switchto("data") && reconsume();213				else create(new HashToken(consumeEscape())) && switchto('hash-rest');214			}215			else emit(new DelimToken(0x23)) && switchto('data') && reconsume();216			break;217218		case "hash-rest":219			if(namechar(code)) currtoken.append(code);220			else if(code == 0x5c) {221				if(badescape(next())) parseerror() && emit() && switchto("data") && reconsume();222				else currtoken.append(consumeEscape());223			}224			else emit() && switchto('data') && reconsume();225			break;226227		case "comment":228			if(code == 0x2a) {229				if(next() == 0x2f) consume() && switchto('data');230				else donothing();231			}232			else if(eof()) parseerror() && switchto('data') && reconsume();233			else donothing();234			break;235236		case "at-keyword":237			if(code == 0x2d) {238				if(namestartchar(next())) create(new AtKeywordToken(0x2d)) && switchto('at-keyword-rest');239				else if(next(1) == 0x5c && !badescape(next(2))) create(new AtKeywordtoken(0x2d)) && switchto('at-keyword-rest');240				else parseerror() && emit(new DelimToken(0x40)) && switchto('data') && reconsume();241			}242			else if(namestartchar(code)) create(new AtKeywordToken(code)) && switchto('at-keyword-rest');243			else if(code == 0x5c) {244				if(badescape(next())) parseerror() && emit(new DelimToken(0x23)) && switchto("data") && reconsume();245				else create(new AtKeywordToken(consumeEscape())) && switchto('at-keyword-rest');246			}247			else emit(new DelimToken(0x40)) && switchto('data') && reconsume();248			break;249250		case "at-keyword-rest":251			if(namechar(code)) currtoken.append(code);252			else if(code == 0x5c) {253				if(badescape(next())) parseerror() && emit() && switchto("data") && reconsume();254				else currtoken.append(consumeEscape());255			}256			else emit() && switchto('data') && reconsume();257			break;258259		case "ident":260			if(code == 0x2d) {261				if(namestartchar(next())) create(new IdentifierToken(code)) && switchto('ident-rest');262				else if(next(1) == 0x5c && !badescape(next(2))) create(new IdentifierToken(code)) && switchto('ident-rest');263				else emit(new DelimToken(0x2d)) && switchto('data');264			}265			else if(namestartchar(code)) create(new IdentifierToken(code)) && switchto('ident-rest');266			else if(code == 0x5c) {267				if(badescape(next())) parseerror() && switchto("data") && reconsume();268				else create(new IdentifierToken(consumeEscape())) && switchto('ident-rest');269			}270			else catchfire("Hit the generic 'else' clause in ident state.") && switchto('data') && reconsume();271			break;272273		case "ident-rest":274			if(namechar(code)) currtoken.append(code);275			else if(code == 0x5c) {276				if(badescape(next())) parseerror() && emit() && switchto("data") && reconsume();277				else currtoken.append(consumeEscape());278			}279			else if(code == 0x28) {280				if(currtoken.ASCIImatch('url')) switchto('url');281				else emit(new FunctionToken(currtoken)) && switchto('data');282			}283			else if(whitespace(code) && options.transformFunctionWhitespace) switchto('transform-function-whitespace') && reconsume();284			else emit() && switchto('data') && reconsume();285			break;286287		case "transform-function-whitespace":288			if(whitespace(next())) donothing();289			else if(code == 0x28) emit(new FunctionToken(currtoken)) && switchto('data');290			else emit() && switchto('data') && reconsume();291			break;292293		case "number":294			create(new NumberToken());295296			if(code == 0x2d) {297				if(digit(next())) consume() && currtoken.append([0x2d,code]) && switchto('number-rest');298				else if(next(1) == 0x2e && digit(next(2))) consume(2) && currtoken.append([0x2d,0x2e,code]) && switchto('number-fraction');299				else switchto('data') && reconsume();300			}301			else if(code == 0x2b) {302				if(digit(next())) consume() && currtoken.append([0x2b,code]) && switchto('number-rest');303				else if(next(1) == 0x2e && digit(next(2))) consume(2) && currtoken.append([0x2b,0x2e,code]) && switchto('number-fraction');304				else switchto('data') && reconsume();305			}306			else if(digit(code)) currtoken.append(code) && switchto('number-rest');307			else if(code == 0x2e) {308				if(digit(next())) consume() && currtoken.append([0x2e,code]) && switchto('number-fraction');309				else switchto('data') && reconsume();310			}311			else switchto('data') && reconsume();312			break;313314		case "number-rest":315			if(digit(code)) currtoken.append(code);316			else if(code == 0x2e) {317				if(digit(next())) consume() && currtoken.append([0x2e,code]) && switchto('number-fraction');318				else emit() && switchto('data') && reconsume();319			}320			else if(code == 0x25) emit(new PercentageToken(currtoken)) && switchto('data');321			else if(code == 0x45 || code == 0x65) {322				if(digit(next())) consume() && currtoken.append([0x25,code]) && switchto('sci-notation');323				else if((next(1) == 0x2b || next(1) == 0x2d) && digit(next(2))) currtoken.append([0x25,next(1),next(2)]) && consume(2) && switchto('sci-notation');324				else create(new DimensionToken(currtoken,code)) && switchto('dimension');325			}326			else if(code == 0x2d) {327				if(namestartchar(next())) consume() && create(new DimensionToken(currtoken,[0x2d,code])) && switchto('dimension');328				else if(next(1) == 0x5c && badescape(next(2))) parseerror() && emit() && switchto('data') && reconsume();329				else if(next(1) == 0x5c) consume() && create(new DimensionToken(currtoken, [0x2d,consumeEscape()])) && switchto('dimension');330				else emit() && switchto('data') && reconsume();331			}332			else if(namestartchar(code)) create(new DimensionToken(currtoken, code)) && switchto('dimension');333			else if(code == 0x5c) {334				if(badescape(next)) parseerror() && emit() && switchto('data') && reconsume();335				else create(new DimensionToken(currtoken,consumeEscape)) && switchto('dimension');336			}337			else emit() && switchto('data') && reconsume();338			break;339340		case "number-fraction":341			currtoken.type = "number";342343			if(digit(code)) currtoken.append(code);344			else if(code == 0x25) emit(new PercentageToken(currtoken)) && switchto('data');345			else if(code == 0x45 || code == 0x65) {346				if(digit(next())) consume() && currtoken.append([0x65,code]) && switchto('sci-notation');347				else if((next(1) == 0x2b || next(1) == 0x2d) && digit(next(2))) currtoken.append([0x65,next(1),next(2)]) && consume(2) && switchto('sci-notation');348				else create(new DimensionToken(currtoken,code)) && switchto('dimension');349			}350			else if(code == 0x2d) {351				if(namestartchar(next())) consume() && create(new DimensionToken(currtoken,[0x2d,code])) && switchto('dimension');352				else if(next(1) == 0x5c && badescape(next(2))) parseerror() && emit() && switchto('data') && reconsume();353				else if(next(1) == 0x5c) consume() && create(new DimensionToken(currtoken, [0x2d,consumeEscape()])) && switchto('dimension');354				else emit() && switchto('data') && reconsume();355			}356			else if(namestartchar(code)) create(new DimensionToken(currtoken, code)) && switchto('dimension');357			else if(code == 0x5c) {358				if(badescape(next)) parseerror() && emit() && switchto('data') && reconsume();359				else create(new DimensionToken(currtoken,consumeEscape())) && switchto('dimension');360			}361			else emit() && switchto('data') && reconsume();362			break;363364		case "dimension":365			if(namechar(code)) currtoken.append(code);366			else if(code == 0x5c) {367				if(badescape(next())) parseerror() && emit() && switchto('data') && reconsume();368				else currtoken.append(consumeEscape());369			}370			else emit() && switchto('data') && reconsume();371			break;372373		case "sci-notation":374			currtoken.type = "number";375376			if(digit(code)) currtoken.append(code);377			else emit() && switchto('data') && reconsume();378			break;379380		case "url":381			if(eof()) parseerror() && emit(new BadURLToken) && switchto('data');382			else if(code == 0x22) switchto('url-double-quote');383			else if(code == 0x27) switchto('url-single-quote');384			else if(code == 0x29) emit(new URLToken) && switchto('data');385			else if(whitespace(code)) donothing();386			else switchto('url-unquoted') && reconsume();387			break;388389		case "url-double-quote":390			if(! (currtoken instanceof URLToken)) create(new URLToken);391392			if(eof()) parseerror() && emit(new BadURLToken) && switchto('data');393			else if(code == 0x22) switchto('url-end');394			else if(newline(code)) parseerror() && switchto('bad-url');395			else if(code == 0x5c) {396				if(newline(next())) consume();397				else if(badescape(next())) parseerror() && emit(new BadURLToken) && switchto('data') && reconsume();398				else currtoken.append(consumeEscape());399			}400			else currtoken.append(code);401			break;402403		case "url-single-quote":404			if(! (currtoken instanceof URLToken)) create(new URLToken);405406			if(eof()) parseerror() && emit(new BadURLToken) && switchto('data');407			else if(code == 0x27) switchto('url-end');408			else if(newline(code)) parseerror() && switchto('bad-url');409			else if(code == 0x5c) {410				if(newline(next())) consume();411				else if(badescape(next())) parseerror() && emit(new BadURLToken) && switchto('data') && reconsume();412				else currtoken.append(consumeEscape());413			}414			else currtoken.append(code);415			break;416417		case "url-end":418			if(eof()) parseerror() && emit(new BadURLToken) && switchto('data');419			else if(whitespace(code)) donothing();420			else if(code == 0x29) emit() && switchto('data');421			else parseerror() && switchto('bad-url') && reconsume();422			break;423424		case "url-unquoted":425			if(! (currtoken instanceof URLToken)) create(new URLToken);426427			if(eof()) parseerror() && emit(new BadURLToken) && switchto('data');428			else if(whitespace(code)) switchto('url-end');429			else if(code == 0x29) emit() && switchto('data');430			else if(code == 0x22 || code == 0x27 || code == 0x28 || nonprintable(code)) parseerror() && switchto('bad-url');431			else if(code == 0x5c) {432				if(badescape(next())) parseerror() && switchto('bad-url');433				else currtoken.append(consumeEscape());434			}435			else currtoken.append(code);436			break;437438		case "bad-url":439			if(eof()) parseerror() && emit(new BadURLToken) && switchto('data');440			else if(code == 0x29) emit(new BadURLToken) && switchto('data');441			else if(code == 0x5c) {442				if(badescape(next())) donothing();443				else consumeEscape();444			}445			else donothing();446			break;447448		case "unicode-range":449			// We already know that the current code is a hexdigit.450451			var start = [code], end = [code];452453			for(var total = 1; total < 6; total++) {454				if(hexdigit(next())) {455					consume();456					start.push(code);
...

css-tokenizer.js

Source:css-tokenizer.js

...34}35function whitespace(e) {36    return newline(e) || 9 == e || 32 == e;37}38function badescape(e) {39    return newline(e) || isNaN(e);40}41var maximumallowedcodepoint = 1114111;42export default function cssTokenizer(e, n) {43    null == n && (n = {44        transformFunctionWhitespace: !1,45        scientificNotation: !146    });47    for (var t, o, r = -1, i = [], a = 'data', s = 0, p = 0, u = 0, d = {48        line: s,49        column: p50    }, next = function(n) {51        return void 0 === n && (n = 1), e.charCodeAt(r + n);52    }, consume = function(n) {53        return void 0 === n && (n = 1), r += n, newline(t = e.charCodeAt(r)) ? (s += 1, 54        u = p, p = 0) : p += n, !0;55    }, reconsume = function() {56        return r -= 1, newline(t) ? (s -= 1, p = u) : p -= 1, d.line = s, d.column = p, 57        !0;58    }, eof = function() {59        return r >= e.length;60    }, emit = function(e) {61        return e ? e.finish() : e = o.finish(), !0 === n.loc && (e.loc = {}, e.loc.start = {62            line: d.line,63            column: d.column64        }, d = {65            line: s,66            column: p67        }, e.loc.end = d), i.push(e), o = void 0, !0;68    }, create = function(e) {69        return o = e, !0;70    }, parseerror = function() {71        return console.log('Parse error at index ' + r + ', processing codepoint 0x' + t.toString(16) + ' in state ' + a + '.'), 72        !0;73    }, catchfire = function(e) {74        return console.log('MAJOR SPEC ERROR: ' + e), !0;75    }, switchto = function(e) {76        return a = e, !0;77    }, consumeEscape = function() {78        if (consume(), hexdigit(t)) {79            for (var e = [], n = 0; n < 6 && hexdigit(t); n++) e.push(t), consume();80            var o = parseInt(e.map(String.fromCharCode).join(''), 16);81            return o > maximumallowedcodepoint && (o = 65533), whitespace(t) || reconsume(), 82            o;83        }84        return t;85    }; ;) {86        if (r > 2 * e.length) return 'I\'m infinite-looping!';87        switch (consume(), a) {88          case 'data':89            if (whitespace(t)) for (emit(new WhitespaceToken); whitespace(next()); ) consume(); else if (34 == t) switchto('double-quote-string'); else if (35 == t) switchto('hash'); else if (39 == t) switchto('single-quote-string'); else if (40 == t) emit(new OpenParenToken); else if (41 == t) emit(new CloseParenToken); else if (43 == t) digit(next()) || 46 == next() && digit(next(2)) ? switchto('number') && reconsume() : emit(new DelimToken(t)); else if (45 == t) 45 == next(1) && 62 == next(2) ? consume(2) && emit(new CDCToken) : digit(next()) || 46 == next(1) && digit(next(2)) ? switchto('number') && reconsume() : switchto('ident') && reconsume(); else if (46 == t) digit(next()) ? switchto('number') && reconsume() : emit(new DelimToken(t)); else if (47 == t) 42 == next() ? consume() && switchto('comment') : emit(new DelimToken(t)); else if (58 == t) emit(new ColonToken); else if (59 == t) emit(new SemicolonToken); else if (60 == t) 33 == next(1) && 45 == next(2) && 45 == next(3) ? consume(3) && emit(new CDOToken) : emit(new DelimToken(t)); else if (64 == t) switchto('at-keyword'); else if (91 == t) emit(new OpenSquareToken); else if (92 == t) badescape(next()) ? parseerror() && emit(new DelimToken(t)) : switchto('ident') && reconsume(); else if (93 == t) emit(new CloseSquareToken); else if (123 == t) emit(new OpenCurlyToken); else if (125 == t) emit(new CloseCurlyToken); else if (digit(t)) switchto('number') && reconsume(); else if (85 == t || 117 == t) 43 == next(1) && hexdigit(next(2)) ? consume() && switchto('unicode-range') : switchto('ident') && reconsume(); else if (namestartchar(t)) switchto('ident') && reconsume(); else {90                if (eof()) return emit(new EOFToken), i;91                emit(new DelimToken(t));92            }93            break;94          case 'double-quote-string':95            null == o && create(new StringToken), 34 == t ? emit() && switchto('data') : eof() ? parseerror() && emit() && switchto('data') && reconsume() : newline(t) ? parseerror() && emit(new BadStringToken) && switchto('data') && reconsume() : 92 == t ? badescape(next()) ? parseerror() && emit(new BadStringToken) && switchto('data') : newline(next()) ? consume() : o.append(consumeEscape()) : o.append(t);96            break;97          case 'single-quote-string':98            null == o && create(new StringToken), 39 == t ? emit() && switchto('data') : eof() ? parseerror() && emit() && switchto('data') : newline(t) ? parseerror() && emit(new BadStringToken) && switchto('data') && reconsume() : 92 == t ? badescape(next()) ? parseerror() && emit(new BadStringToken) && switchto('data') : newline(next()) ? consume() : o.append(consumeEscape()) : o.append(t);99            break;100          case 'hash':101            namechar(t) ? create(new HashToken(t)) && switchto('hash-rest') : 92 == t ? badescape(next()) ? parseerror() && emit(new DelimToken(35)) && switchto('data') && reconsume() : create(new HashToken(consumeEscape())) && switchto('hash-rest') : emit(new DelimToken(35)) && switchto('data') && reconsume();102            break;103          case 'hash-rest':104            namechar(t) ? o.append(t) : 92 == t ? badescape(next()) ? parseerror() && emit() && switchto('data') && reconsume() : o.append(consumeEscape()) : emit() && switchto('data') && reconsume();105            break;106          case 'comment':107            42 == t ? 47 == next() && consume() && switchto('data') : eof() && parseerror() && switchto('data') && reconsume();108            break;109          case 'at-keyword':110            45 == t ? namestartchar(next()) ? create(new AtKeywordToken(45)) && switchto('at-keyword-rest') : 92 != next(1) || badescape(next(2)) ? parseerror() && emit(new DelimToken(64)) && switchto('data') && reconsume() : create(new AtKeywordtoken(45)) && switchto('at-keyword-rest') : namestartchar(t) ? create(new AtKeywordToken(t)) && switchto('at-keyword-rest') : 92 == t ? badescape(next()) ? parseerror() && emit(new DelimToken(35)) && switchto('data') && reconsume() : create(new AtKeywordToken(consumeEscape())) && switchto('at-keyword-rest') : emit(new DelimToken(64)) && switchto('data') && reconsume();111            break;112          case 'at-keyword-rest':113            namechar(t) ? o.append(t) : 92 == t ? badescape(next()) ? parseerror() && emit() && switchto('data') && reconsume() : o.append(consumeEscape()) : emit() && switchto('data') && reconsume();114            break;115          case 'ident':116            45 == t ? namestartchar(next()) ? create(new IdentifierToken(t)) && switchto('ident-rest') : 92 != next(1) || badescape(next(2)) ? emit(new DelimToken(45)) && switchto('data') : create(new IdentifierToken(t)) && switchto('ident-rest') : namestartchar(t) ? create(new IdentifierToken(t)) && switchto('ident-rest') : 92 == t ? badescape(next()) ? parseerror() && switchto('data') && reconsume() : create(new IdentifierToken(consumeEscape())) && switchto('ident-rest') : catchfire('Hit the generic \'else\' clause in ident state.') && switchto('data') && reconsume();117            break;118          case 'ident-rest':119            namechar(t) ? o.append(t) : 92 == t ? badescape(next()) ? parseerror() && emit() && switchto('data') && reconsume() : o.append(consumeEscape()) : 40 == t ? o.ASCIImatch('url') ? switchto('url') : emit(new FunctionToken(o)) && switchto('data') : whitespace(t) && n.transformFunctionWhitespace ? switchto('transform-function-whitespace') && reconsume() : emit() && switchto('data') && reconsume();120            break;121          case 'transform-function-whitespace':122            whitespace(next()) || (40 == t ? emit(new FunctionToken(o)) && switchto('data') : emit() && switchto('data') && reconsume());123            break;124          case 'number':125            create(new NumberToken), 45 == t ? digit(next()) ? consume() && o.append([ 45, t ]) && switchto('number-rest') : 46 == next(1) && digit(next(2)) ? consume(2) && o.append([ 45, 46, t ]) && switchto('number-fraction') : switchto('data') && reconsume() : 43 == t ? digit(next()) ? consume() && o.append([ 43, t ]) && switchto('number-rest') : 46 == next(1) && digit(next(2)) ? consume(2) && o.append([ 43, 46, t ]) && switchto('number-fraction') : switchto('data') && reconsume() : digit(t) ? o.append(t) && switchto('number-rest') : 46 == t && digit(next()) ? consume() && o.append([ 46, t ]) && switchto('number-fraction') : switchto('data') && reconsume();126            break;127          case 'number-rest':128            digit(t) ? o.append(t) : 46 == t ? digit(next()) ? consume() && o.append([ 46, t ]) && switchto('number-fraction') : emit() && switchto('data') && reconsume() : 37 == t ? emit(new PercentageToken(o)) && switchto('data') : 69 == t || 101 == t ? digit(next()) ? consume() && o.append([ 37, t ]) && switchto('sci-notation') : 43 != next(1) && 45 != next(1) || !digit(next(2)) ? create(new DimensionToken(o, t)) && switchto('dimension') : o.append([ 37, next(1), next(2) ]) && consume(2) && switchto('sci-notation') : 45 == t ? namestartchar(next()) ? consume() && create(new DimensionToken(o, [ 45, t ])) && switchto('dimension') : 92 == next(1) && badescape(next(2)) ? parseerror() && emit() && switchto('data') && reconsume() : 92 == next(1) ? consume() && create(new DimensionToken(o, [ 45, consumeEscape() ])) && switchto('dimension') : emit() && switchto('data') && reconsume() : namestartchar(t) ? create(new DimensionToken(o, t)) && switchto('dimension') : 92 == t ? badescape(next) ? parseerror() && emit() && switchto('data') && reconsume() : create(new DimensionToken(o, consumeEscape)) && switchto('dimension') : emit() && switchto('data') && reconsume();129            break;130          case 'number-fraction':131            o.type = 'number', digit(t) ? o.append(t) : 37 == t ? emit(new PercentageToken(o)) && switchto('data') : 69 == t || 101 == t ? digit(next()) ? consume() && o.append([ 101, t ]) && switchto('sci-notation') : 43 != next(1) && 45 != next(1) || !digit(next(2)) ? create(new DimensionToken(o, t)) && switchto('dimension') : o.append([ 101, next(1), next(2) ]) && consume(2) && switchto('sci-notation') : 45 == t ? namestartchar(next()) ? consume() && create(new DimensionToken(o, [ 45, t ])) && switchto('dimension') : 92 == next(1) && badescape(next(2)) ? parseerror() && emit() && switchto('data') && reconsume() : 92 == next(1) ? consume() && create(new DimensionToken(o, [ 45, consumeEscape() ])) && switchto('dimension') : emit() && switchto('data') && reconsume() : namestartchar(t) ? create(new DimensionToken(o, t)) && switchto('dimension') : 92 == t ? badescape(next) ? parseerror() && emit() && switchto('data') && reconsume() : create(new DimensionToken(o, consumeEscape())) && switchto('dimension') : emit() && switchto('data') && reconsume();132            break;133          case 'dimension':134            namechar(t) ? o.append(t) : 92 == t ? badescape(next()) ? parseerror() && emit() && switchto('data') && reconsume() : o.append(consumeEscape()) : emit() && switchto('data') && reconsume();135            break;136          case 'sci-notation':137            o.type = 'number', digit(t) ? o.append(t) : emit() && switchto('data') && reconsume();138            break;139          case 'url':140            eof() ? parseerror() && emit(new BadURLToken) && switchto('data') : 34 == t ? switchto('url-double-quote') : 39 == t ? switchto('url-single-quote') : 41 == t ? emit(new URLToken) && switchto('data') : whitespace(t) || switchto('url-unquoted') && reconsume();141            break;142          case 'url-double-quote':143            o instanceof URLToken || create(new URLToken), eof() ? parseerror() && emit(new BadURLToken) && switchto('data') : 34 == t ? switchto('url-end') : newline(t) ? parseerror() && switchto('bad-url') : 92 == t ? newline(next()) ? consume() : badescape(next()) ? parseerror() && emit(new BadURLToken) && switchto('data') && reconsume() : o.append(consumeEscape()) : o.append(t);144            break;145          case 'url-single-quote':146            o instanceof URLToken || create(new URLToken), eof() ? parseerror() && emit(new BadURLToken) && switchto('data') : 39 == t ? switchto('url-end') : newline(t) ? parseerror() && switchto('bad-url') : 92 == t ? newline(next()) ? consume() : badescape(next()) ? parseerror() && emit(new BadURLToken) && switchto('data') && reconsume() : o.append(consumeEscape()) : o.append(t);147            break;148          case 'url-end':149            eof() ? parseerror() && emit(new BadURLToken) && switchto('data') : whitespace(t) || (41 == t ? emit() && switchto('data') : parseerror() && switchto('bad-url') && reconsume());150            break;151          case 'url-unquoted':152            o instanceof URLToken || create(new URLToken), eof() ? parseerror() && emit(new BadURLToken) && switchto('data') : whitespace(t) ? switchto('url-end') : 41 == t ? emit() && switchto('data') : 34 == t || 39 == t || 40 == t || nonprintable(t) ? parseerror() && switchto('bad-url') : 92 == t ? badescape(next()) ? parseerror() && switchto('bad-url') : o.append(consumeEscape()) : o.append(t);153            break;154          case 'bad-url':155            eof() ? parseerror() && emit(new BadURLToken) && switchto('data') : 41 == t ? emit(new BadURLToken) && switchto('data') : 92 == t && (badescape(next()) || consumeEscape());156            break;157          case 'unicode-range':158            for (var k = [ t ], c = [ t ], T = 1; T < 6 && hexdigit(next()); T++) consume(), 159            k.push(t), c.push(t);160            if (63 == next()) {161                for (;T < 6 && 63 == next(); T++) consume(), k.push('0'.charCodeAt(0)), c.push('f'.charCodeAt(0));162                emit(new UnicodeRangeToken(k, c)) && switchto('data');163            } else if (45 == next(1) && hexdigit(next(2))) {164                consume(), consume(), c = [ t ];165                for (T = 1; T < 6 && hexdigit(next()); T++) consume(), c.push(t);166                emit(new UnicodeRangeToken(k, c)) && switchto('data');167            } else emit(new UnicodeRangeToken(k)) && switchto('data');168            break;169          default:...

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.screenshot({ path: 'google.png' });7  await browser.close();8})();

Using AI Code Generation

1const { test, expect } = require('@playwright/test');2test('test', async ({ page }) => {3  const title = page.locator('.navbar__inner .navbar__title');4  expect(await title.textContent()).toBe('Playwright');5});6- Use the page.waitForNavigation()

Using AI Code Generation

1const { chromium } = require('playwright');2const { badescape } = require('playwright/lib/internal/utils');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  await browser.close();7})();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.goto(url);6  const title = await page.title();7  console.log(title);8  await browser.close();9})();

Using AI Code Generation

1const { test, expect } = require('@playwright/test');2const { badescape } = require('@playwright/test/internal');3test('my test', async ({ page }) => {4  await page.goto(url);5  expect(await page.textContent('h1')).toBe('Hello John!');6});7const { test, expect } = require('@playwright/test');8const { badescape } = require('@playwright/test/internal');9test('my test', async ({ page }) => {10  await page.goto(url);11  expect(await page.textContent('h1')).toBe('Hello John!');12});13const { test, expect } = require('@playwright/test');14const { badescape } = require('@playwright/test/internal');15test('my test', async ({ page }) => {16  await page.goto(url);17  expect(await page.textContent('h1')).toBe('Hello John!');18});19const { test, expect } = require('@playwright/test');20const { badescape } = require('@playwright/test/internal');21test('my test', async ({ page }) => {22  await page.goto(url);23  expect(await page.textContent('h1')).toBe('Hello John!');24});25const { test, expect } = require('@playwright/test');26const { badescape } = require('@playwright/test/internal');27test('my test', async ({ page }) => {28  await page.goto(url);29  expect(await page.textContent('h1')).toBe('Hello John!');30});31const { test, expect } = require('@playwright/test');

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.fill('[name="q"]', 'playwright');7  await page.keyboard.press('Enter');8  await page.waitForNavigation();9  await page.screenshot({ path: `example.png` });10  await browser.close();11})();

Using AI Code Generation

1const {badescape} = require('playwright/lib/utils/utils');2const escaped = badescape(url);3console.log(escaped);4const {badescape} = require('playwright');5const escaped = badescape(url);6console.log(escaped);7const {badescape} = require('playwright/lib/utils/utils');8const escaped = badescape(url);9console.log(escaped);10const {badescape} = require('playwright');11const escaped = badescape(url);12console.log(escaped);13const {badescape} = require('playwright/lib/utils/utils');14const escaped = badescape(url);15console.log(escaped);16const {badescape} = require('playwright');17const escaped = badescape(url);18console.log(escaped);19const {badescape} = require('playwright/lib/utils/utils');20const escaped = badescape(url);21console.log(escaped);

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.