chess.js - npm Package Compare versions

Comparing version 0.10.0 to 0.10.1

chess.js

@@ -1362,7 +1362,14 @@ /*
         for (var i = 0, len = moves.length; i < len; i++) {
-          if (move_replaced ===
-              move_to_san(moves[i], sloppy).replace(/=/,'').replace(/[+#]?[?!]*$/,'')) {
+
+          // try the strict parser first, then the sloppy parser if requested
+          // by the user
+          if ((move_replaced ===
+               move_to_san(moves[i]).replace(/=/,'').replace(/[+#]?[?!]*$/,'')) ||
+              (sloppy &&
+               move_replaced ===
+               move_to_san(moves[i], sloppy).replace(/=/,'').replace(/[+#]?[?!]*$/,''))) {
             return moves[i];
           }
         }
+
         return null;
@@ -1528,4 +1535,10 @@ }
         for (var i = 0, len = moves.length; i < len; i++) {
-          if (move_replaced ===
-              move_to_san(moves[i], sloppy).replace(/=/,'').replace(/[+#]?[?!]*$/,'')) {
+
+          // try the strict parser first, then the sloppy parser if requested
+          // by the user
+          if ((move_replaced ===
+               move_to_san(moves[i]).replace(/=/,'').replace(/[+#]?[?!]*$/,'')) ||
+              (sloppy &&
+               move_replaced ===
+               move_to_san(moves[i], sloppy).replace(/=/,'').replace(/[+#]?[?!]*$/,''))) {
             move_obj = moves[i];
@@ -1532,0 +1545,0 @@ break;

chess.min.js

@@ -6,2 +6,2 @@ /* @license
  */
-var Chess=function(r){function e(){fr=new Array(128),ar={w:Q,b:Q},ur=K,lr={w:0,b:0},pr=Q,sr=0,cr=1,vr=[],gr={},a(i())}function n(){t(F)}function t(r){var n=r.split(/\s+/),t=n[0],f=0;if(!o(r).valid)return!1;e();for(var u=0;u<t.length;u++){var p=t.charAt(u);if("/"===p)f+=8;else if(R(p))f+=parseInt(p,10);else{var s="a">p?K:D;l({type:p.toLowerCase(),color:s},w(f)),f++}}return ur=n[1],n[2].indexOf("K")>-1&&(lr.w|=Y.KSIDE_CASTLE),n[2].indexOf("Q")>-1&&(lr.w|=Y.QSIDE_CASTLE),n[2].indexOf("k")>-1&&(lr.b|=Y.KSIDE_CASTLE),n[2].indexOf("q")>-1&&(lr.b|=Y.QSIDE_CASTLE),pr="-"===n[3]?Q:or[n[3]],sr=parseInt(n[4],10),cr=parseInt(n[5],10),a(i()),!0}function o(r){var e={0:"No errors.",1:"FEN string must contain six space-delimited fields.",2:"6th field (move number) must be a positive integer.",3:"5th field (half move counter) must be a non-negative integer.",4:"4th field (en-passant square) is invalid.",5:"3rd field (castling availability) is invalid.",6:"2nd field (side to move) is invalid.",7:"1st field (piece positions) does not contain 8 '/'-delimited rows.",8:"1st field (piece positions) is invalid [consecutive numbers].",9:"1st field (piece positions) is invalid [invalid piece].",10:"1st field (piece positions) is invalid [row too large].",11:"Illegal en-passant square"},n=r.split(/\s+/);if(6!==n.length)return{valid:!1,error_number:1,error:e[1]};if(isNaN(n[5])||parseInt(n[5],10)<=0)return{valid:!1,error_number:2,error:e[2]};if(isNaN(n[4])||parseInt(n[4],10)<0)return{valid:!1,error_number:3,error:e[3]};if(!/^(-|[abcdefgh][36])$/.test(n[3]))return{valid:!1,error_number:4,error:e[4]};if(!/^(KQ?k?q?|Qk?q?|kq?|q|-)$/.test(n[2]))return{valid:!1,error_number:5,error:e[5]};if(!/^(w|b)$/.test(n[1]))return{valid:!1,error_number:6,error:e[6]};var t=n[0].split("/");if(8!==t.length)return{valid:!1,error_number:7,error:e[7]};for(var o=0;o<t.length;o++){for(var i=0,f=!1,a=0;a<t[o].length;a++)if(isNaN(t[o][a])){if(!/^[prnbqkPRNBQK]$/.test(t[o][a]))return{valid:!1,error_number:9,error:e[9]};i+=1,f=!1}else{if(f)return{valid:!1,error_number:8,error:e[8]};i+=parseInt(t[o][a],10),f=!0}if(8!==i)return{valid:!1,error_number:10,error:e[10]}}return"3"==n[3][1]&&"w"==n[1]||"6"==n[3][1]&&"b"==n[1]?{valid:!1,error_number:11,error:e[11]}:{valid:!0,error_number:0,error:e[0]}}function i(){for(var r=0,e="",n=or.a8;n<=or.h1;n++){if(null==fr[n])r++;else{r>0&&(e+=r,r=0);var t=fr[n].color,o=fr[n].type;e+=t===K?o.toUpperCase():o.toLowerCase()}n+1&136&&(r>0&&(e+=r),n!==or.h1&&(e+="/"),r=0,n+=8)}var i="";lr[K]&Y.KSIDE_CASTLE&&(i+="K"),lr[K]&Y.QSIDE_CASTLE&&(i+="Q"),lr[D]&Y.KSIDE_CASTLE&&(i+="k"),lr[D]&Y.QSIDE_CASTLE&&(i+="q"),i=i||"-";var f=pr===Q?"-":w(pr);return[e,ur,i,f,sr,cr].join(" ")}function f(r){for(var e=0;e<r.length;e+=2)"string"==typeof r[e]&&"string"==typeof r[e+1]&&(gr[r[e]]=r[e+1]);return gr}function a(r){vr.length>0||(r!==F?(gr.SetUp="1",gr.FEN=r):(delete gr.SetUp,delete gr.FEN))}function u(r){var e=fr[or[r]];return e?{type:e.type,color:e.color}:null}function l(r,e){if(!("type"in r&&"color"in r))return!1;if(-1===G.indexOf(r.type.toLowerCase()))return!1;if(!(e in or))return!1;var n=or[e];return r.type==M&&ar[r.color]!=Q&&ar[r.color]!=n?!1:(fr[n]={type:r.type,color:r.color},r.type===M&&(ar[r.color]=n),a(i()),!0)}function p(r){var e=u(r);return fr[or[r]]=null,e&&e.type===M&&(ar[e.color]=Q),a(i()),e}function s(r,e,n,t,o){var i={color:ur,from:e,to:n,flags:t,piece:r[e].type};return o&&(i.flags|=Y.PROMOTION,i.promotion=o),r[n]?i.captured=r[n].type:t&Y.EP_CAPTURE&&(i.captured=U),i}function c(r){function e(r,e,n,t,o){if(r[n].type!==U||I(t)!==tr&&I(t)!==rr)e.push(s(r,n,t,o));else for(var i=[B,j,$,x],f=0,a=i.length;a>f;f++)e.push(s(r,n,t,o,i[f]))}var n=[],t=ur,o=L(t),i={b:nr,w:er},f=or.a8,a=or.h1,u=!1,l="undefined"!=typeof r&&"legal"in r?r.legal:!0;if("undefined"!=typeof r&&"square"in r){if(!(r.square in or))return[];f=a=or[r.square],u=!0}for(var p=f;a>=p;p++)if(136&p)p+=7;else{var c=fr[p];if(null!=c&&c.color===t)if(c.type===U){var v=p+H[t][0];if(null==fr[v]){e(fr,n,p,v,Y.NORMAL);var v=p+H[t][1];i[t]===I(p)&&null==fr[v]&&e(fr,n,p,v,Y.BIG_PAWN)}for(d=2;4>d;d++){var v=p+H[t][d];136&v||(null!=fr[v]&&fr[v].color===o?e(fr,n,p,v,Y.CAPTURE):v===pr&&e(fr,n,p,pr,Y.EP_CAPTURE))}}else for(var d=0,E=Z[c.type].length;E>d;d++)for(var b=Z[c.type][d],v=p;;){if(v+=b,136&v)break;if(null!=fr[v]){if(fr[v].color===t)break;e(fr,n,p,v,Y.CAPTURE);break}if(e(fr,n,p,v,Y.NORMAL),"n"===c.type||"k"===c.type)break}}if(!u||a===ar[t]){if(lr[t]&Y.KSIDE_CASTLE){var _=ar[t],y=_+2;null!=fr[_+1]||null!=fr[y]||g(o,ar[t])||g(o,_+1)||g(o,y)||e(fr,n,ar[t],y,Y.KSIDE_CASTLE)}if(lr[t]&Y.QSIDE_CASTLE){var _=ar[t],y=_-2;null!=fr[_-1]||null!=fr[_-2]||null!=fr[_-3]||g(o,ar[t])||g(o,_-1)||g(o,y)||e(fr,n,ar[t],y,Y.QSIDE_CASTLE)}}if(!l)return n;for(var A=[],p=0,E=n.length;E>p;p++)S(n[p]),h(t)||A.push(n[p]),m();return A}function v(r,e){var n="";if(r.flags&Y.KSIDE_CASTLE)n="O-O";else if(r.flags&Y.QSIDE_CASTLE)n="O-O-O";else{var t=C(r,e);r.piece!==U&&(n+=r.piece.toUpperCase()+t),r.flags&(Y.CAPTURE|Y.EP_CAPTURE)&&(r.piece===U&&(n+=w(r.from)[0]),n+="x"),n+=w(r.to),r.flags&Y.PROMOTION&&(n+="="+r.promotion.toUpperCase())}return S(r),d()&&(n+=E()?"#":"+"),m(),n}function g(r,e){for(var n=or.a8;n<=or.h1;n++)if(136&n)n+=7;else if(null!=fr[n]&&fr[n].color===r){var t=fr[n],o=n-e,i=o+119;if(z[i]&1<<V[t.type]){if(t.type===U){if(o>0){if(t.color===K)return!0}else if(t.color===D)return!0;continue}if("n"===t.type||"k"===t.type)return!0;for(var f=J[i],a=n+f,u=!1;a!==e;){if(null!=fr[a]){u=!0;break}a+=f}if(!u)return!0}}return!1}function h(r){return g(L(r),ar[r])}function d(){return h(ur)}function E(){return d()&&0===c().length}function b(){return!d()&&0===c().length}function _(){for(var r={},e=[],n=0,t=0,o=or.a8;o<=or.h1;o++)if(t=(t+1)%2,136&o)o+=7;else{var i=fr[o];i&&(r[i.type]=i.type in r?r[i.type]+1:1,i.type===$&&e.push(t),n++)}if(2===n)return!0;if(3===n&&(1===r[$]||1===r[x]))return!0;if(n===r[$]+2){for(var f=0,a=e.length,o=0;a>o;o++)f+=e[o];if(0===f||f===a)return!0}return!1}function y(){for(var r=[],e={},n=!1;;){var t=m();if(!t)break;r.push(t)}for(;;){var o=i().split(" ").slice(0,4).join(" ");if(e[o]=o in e?e[o]+1:1,e[o]>=3&&(n=!0),!r.length)break;S(r.pop())}return n}function A(r){vr.push({move:r,kings:{b:ar.b,w:ar.w},turn:ur,castling:{b:lr.b,w:lr.w},ep_square:pr,half_moves:sr,move_number:cr})}function S(r){var e=ur,n=L(e);if(A(r),fr[r.to]=fr[r.from],fr[r.from]=null,r.flags&Y.EP_CAPTURE&&(ur===D?fr[r.to-16]=null:fr[r.to+16]=null),r.flags&Y.PROMOTION&&(fr[r.to]={type:r.promotion,color:e}),fr[r.to].type===M){if(ar[fr[r.to].color]=r.to,r.flags&Y.KSIDE_CASTLE){var t=r.to-1,o=r.to+1;fr[t]=fr[o],fr[o]=null}else if(r.flags&Y.QSIDE_CASTLE){var 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r={},e=[],n=0,t=0,o=or.a8;o<=or.h1;o++)if(t=(t+1)%2,136&o)o+=7;else{var i=fr[o];i&&(r[i.type]=i.type in r?r[i.type]+1:1,i.type===x&&e.push(t),n++)}if(2===n)return!0;if(3===n&&(1===r[x]||1===r[$]))return!0;if(n===r[x]+2){for(var f=0,a=e.length,o=0;a>o;o++)f+=e[o];if(0===f||f===a)return!0}return!1}function y(){for(var r=[],e={},n=!1;;){var t=m();if(!t)break;r.push(t)}for(;;){var o=i().split(" ").slice(0,4).join(" ");if(e[o]=o in e?e[o]+1:1,e[o]>=3&&(n=!0),!r.length)break;S(r.pop())}return n}function A(r){vr.push({move:r,kings:{b:ar.b,w:ar.w},turn:lr,castling:{b:ur.b,w:ur.w},ep_square:pr,half_moves:sr,move_number:cr})}function S(r){var e=lr,n=L(e);if(A(r),fr[r.to]=fr[r.from],fr[r.from]=null,r.flags&Y.EP_CAPTURE&&(lr===D?fr[r.to-16]=null:fr[r.to+16]=null),r.flags&Y.PROMOTION&&(fr[r.to]={type:r.promotion,color:e}),fr[r.to].type===M){if(ar[fr[r.to].color]=r.to,r.flags&Y.KSIDE_CASTLE){var t=r.to-1,o=r.to+1;fr[t]=fr[o],fr[o]=null}else if(r.flags&Y.QSIDE_CASTLE){var t=r.to+1,o=r.to-2;fr[t]=fr[o],fr[o]=null}ur[e]=""}if(ur[e])for(var i=0,f=ir[e].length;f>i;i++)if(r.from===ir[e][i].square&&ur[e]&ir[e][i].flag){ur[e]^=ir[e][i].flag;break}if(ur[n])for(var i=0,f=ir[n].length;f>i;i++)if(r.to===ir[n][i].square&&ur[n]&ir[n][i].flag){ur[n]^=ir[n][i].flag;break}pr=r.flags&Y.BIG_PAWN?"b"===lr?r.to-16:r.to+16:Q,r.piece===U?sr=0:r.flags&(Y.CAPTURE|Y.EP_CAPTURE)?sr=0:sr++,lr===D&&cr++,lr=L(lr)}function m(){var r=vr.pop();if(null==r)return null;var e=r.move;ar=r.kings,lr=r.turn,ur=r.castling,pr=r.ep_square,sr=r.half_moves,cr=r.move_number;var n=lr,t=L(lr);if(fr[e.from]=fr[e.to],fr[e.from].type=e.piece,fr[e.to]=null,e.flags&Y.CAPTURE)fr[e.to]={type:e.captured,color:t};else if(e.flags&Y.EP_CAPTURE){var o;o=n===D?e.to-16:e.to+16,fr[o]={type:U,color:t}}if(e.flags&(Y.KSIDE_CASTLE|Y.QSIDE_CASTLE)){var i,f;e.flags&Y.KSIDE_CASTLE?(i=e.to+1,f=e.to-1):e.flags&Y.QSIDE_CASTLE&&(i=e.to-2,f=e.to+1),fr[i]=fr[f],fr[f]=null}return e}function C(r,e){for(var 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p(r)},perft:function(r){return q(r)},square_color:function(r){if(r in or){var e=or[r];return(I(e)+P(e))%2===0?"light":"dark"}return null},history:function(r){for(var e=[],n=[],t=("undefined"!=typeof r&&"verbose"in r&&r.verbose);vr.length>0;)e.push(m());for(;e.length>0;){var o=e.pop();n.push(t?O(o):v(o)),S(o)}return n}}};"undefined"!=typeof exports&&(exports.Chess=Chess),"undefined"!=typeof define&&define(function(){return Chess});

package.json

 {
   "name": "chess.js",
-  "version": "0.10.0",
+  "version": "0.10.1",
   "description": "A Javascript chess library for chess move generation/validation, piece placement/movement, and check/checkmate/draw detection",
@@ -5,0 +5,0 @@ "author": "Jeff Hlywa <[e-mail]> (https://github.com/jhlywa)",

README.md

@@ -22,3 +22,3 @@ # chess.js
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/chess.js/0.9.4/chess.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/chess.js/0.10.1/chess.js"></script>
 ```
@@ -46,2 +46,3 @@
 - [Redbull - Battle for the Queen](http://battleforthequeen.redbull.com/)
+- [Asm.js Chess Battle](https://developer.microsoft.com/en-us/microsoft-edge/testdrive/demos/chess/)
 - [3D Hartwig Chess](http://creativejs.com/2012/12/3d-hartwig-chess/)
@@ -48,0 +49,0 @@ - [Scene VR](http://client.scenevr.com/?connect=chess.scenevr.hosting/chess.xml)

test/tests.js

@@ -598,4 +598,25 @@ if (typeof require != "undefined") {
       expect: true,
-      sloppy: true}
+      sloppy: true},
 
+
+    // the sloppy PGN parser should still accept correctly disambiguated moves
+    {pgn: [
+      '1.e4 e5 2.Nf3 d6 3.d4 Bg4 4.dxe5 Bxf3 5.Qxf3 dxe5 6.Qf5 Nc6 7.Bb5 Ne7',
+      '8.Qxe5 Qd7 9.O-O Nxe5 10.Bxd7+ Nxd7 11.Rd1 O-O-O 12.Nc3 Ng6 13.Be3 a6',
+      '14.Ba7 b6 15.Na4 Kb7 16.Bxb6 cxb6 17.b3 b5 18.Nb2 Nge5 19.f3 Rc8',
+      '20.Rac1 Ba3 21.Rb1 Rxc2 22.f4 Ng4 23.Rxd7+ Kc6 24.Rxf7 Bxb2 25.Rxg7',
+      'Ne3 26.Rg3 Bd4 27.Kh1 Rxa2 28.Rc1+ Kb6 29.e5 Rf8 30.e6 Rxf4 31.e7 Re4',
+      '32.Rg7 Bxg7'],
+      fen: '8/4P1bp/pk6/1p6/4r3/1P2n3/r5PP/2R4K w - - 0 33',
+      expect: true,
+      sloppy: true},
+
+    {pgn: [
+      '1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7 Kxf7 7.Qf3+',
+      'Ke6 8.Nc3 Nb4'],
+      fen: 'r1bq1b1r/ppp3pp/4k3/3np3/1nB5/2N2Q2/PPPP1PPP/R1B1K2R w KQ - 4 9',
+      expect: true,
+      sloppy: true
+    },
+
   ];
@@ -695,7 +716,14 @@
 
-     // sloppy move parser
+     // strict move parser
     {fen: 'r2qkbnr/ppp2ppp/2n5/1B2pQ2/4P3/8/PPP2PPP/RNB1K2R b KQkq - 3 7',
+     legal: true,
+     next: 'r2qkb1r/ppp1nppp/2n5/1B2pQ2/4P3/8/PPP2PPP/RNB1K2R w KQkq - 4 8',
+     move: 'Ne7'},
+
+     // strict move parser should reject over disambiguation
+    {fen: 'r2qkbnr/ppp2ppp/2n5/1B2pQ2/4P3/8/PPP2PPP/RNB1K2R b KQkq - 3 7',
      legal: false,
      move: 'Nge7'},
 
+     // sloppy move parser
     {fen: 'r2qkbnr/ppp2ppp/2n5/1B2pQ2/4P3/8/PPP2PPP/RNB1K2R b KQkq - 3 7',
@@ -707,2 +735,9 @@ legal: true,
 
+     // the sloppy parser should still accept correctly disambiguated moves
+    {fen: 'r2qkbnr/ppp2ppp/2n5/1B2pQ2/4P3/8/PPP2PPP/RNB1K2R b KQkq - 3 7',
+     legal: true,
+     sloppy: true,
+     move: 'Ne7',
+     next: 'r2qkb1r/ppp1nppp/2n5/1B2pQ2/4P3/8/PPP2PPP/RNB1K2R w KQkq - 4 8'},
+
   ];
@@ -709,0 +744,0 @@

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

133341

increased by1.64%

Lines of code

2385

increased by1.71%

Number of lines in readme file

550

increased by0.18%

No dependency changes