jsep - npm Package Compare versions

Comparing version 1.3.9 to 1.4.0

dist/cjs/jsep.cjs.js

@@ -97,3 +97,3 @@ 'use strict';
 
-//     JavaScript Expression Parser (JSEP) 1.3.9
+//     JavaScript Expression Parser (JSEP) 1.4.0
 
@@ -106,3 +106,3 @@ class Jsep {
 		// To be filled in by the template
-		return '1.3.9';
+		return '1.4.0';
 	}
@@ -1032,3 +1032,4 @@
 	binary_ops: {
-		'||': 1, '&&': 2, '|': 3, '^': 4, '&': 5,
+		'||': 1, '??': 1,
+		'&&': 2, '|': 3, '^': 4, '&': 5,
 		'==': 6, '!=': 6, '===': 6, '!==': 6,
@@ -1038,7 +1039,8 @@ '<': 7, '>': 7, '<=': 7, '>=': 7,
 		'+': 9, '-': 9,
-		'*': 10, '/': 10, '%': 10
+		'*': 10, '/': 10, '%': 10,
+		'**': 11,
 	},
 
 	// sets specific binary_ops as right-associative
-	right_associative: new Set(),
+	right_associative: new Set(['**']),
 
@@ -1045,0 +1047,0 @@ // Additional valid identifier chars, apart from a-z, A-Z and 0-9 (except on the starting char)

dist/cjs/jsep.cjs.min.js

@@ -1,2 +0,2 @@
-"use strict";class e{static get version(){return"1.3.9"}static toString(){return"JavaScript Expression Parser (JSEP) v"+e.version}static addUnaryOp(t){return e.max_unop_len=Math.max(t.length,e.max_unop_len),e.unary_ops[t]=1,e}static addBinaryOp(t,r,i){return e.max_binop_len=Math.max(t.length,e.max_binop_len),e.binary_ops[t]=r,i?e.right_associative.add(t):e.right_associative.delete(t),e}static addIdentifierChar(t){return e.additional_identifier_chars.add(t),e}static addLiteral(t,r){return e.literals[t]=r,e}static removeUnaryOp(t){return delete e.unary_ops[t],t.length===e.max_unop_len&&(e.max_unop_len=e.getMaxKeyLen(e.unary_ops)),e}static removeAllUnaryOps(){return e.unary_ops={},e.max_unop_len=0,e}static removeIdentifierChar(t){return e.additional_identifier_chars.delete(t),e}static removeBinaryOp(t){return delete e.binary_ops[t],t.length===e.max_binop_len&&(e.max_binop_len=e.getMaxKeyLen(e.binary_ops)),e.right_associative.delete(t),e}static removeAllBinaryOps(){return e.binary_ops={},e.max_binop_len=0,e}static removeLiteral(t){return delete e.literals[t],e}static removeAllLiterals(){return e.literals={},e}get char(){return this.expr.charAt(this.index)}get code(){return this.expr.charCodeAt(this.index)}constructor(e){this.expr=e,this.index=0}static parse(t){return new e(t).parse()}static getMaxKeyLen(e){return Math.max(0,...Object.keys(e).map((e=>e.length)))}static isDecimalDigit(e){return e>=48&&e<=57}static binaryPrecedence(t){return e.binary_ops[t]||0}static isIdentifierStart(t){return t>=65&&t<=90||t>=97&&t<=122||t>=128&&!e.binary_ops[String.fromCharCode(t)]||e.additional_identifier_chars.has(String.fromCharCode(t))}static isIdentifierPart(t){return e.isIdentifierStart(t)||e.isDecimalDigit(t)}throwError(e){const t=new Error(e+" at character "+this.index);throw t.index=this.index,t.description=e,t}runHook(t,r){if(e.hooks[t]){const i={context:this,node:r};return e.hooks.run(t,i),i.node}return r}searchHook(t){if(e.hooks[t]){const r={context:this};return e.hooks[t].find((function(e){return e.call(r.context,r),r.node})),r.node}}gobbleSpaces(){let t=this.code;for(;t===e.SPACE_CODE||t===e.TAB_CODE||t===e.LF_CODE||t===e.CR_CODE;)t=this.expr.charCodeAt(++this.index);this.runHook("gobble-spaces")}parse(){this.runHook("before-all");const t=this.gobbleExpressions(),r=1===t.length?t[0]:{type:e.COMPOUND,body:t};return this.runHook("after-all",r)}gobbleExpressions(t){let r,i,s=[];for(;this.index<this.expr.length;)if(r=this.code,r===e.SEMCOL_CODE||r===e.COMMA_CODE)this.index++;else if(i=this.gobbleExpression())s.push(i);else if(this.index<this.expr.length){if(r===t)break;this.throwError('Unexpected "'+this.char+'"')}return s}gobbleExpression(){const e=this.searchHook("gobble-expression")||this.gobbleBinaryExpression();return this.gobbleSpaces(),this.runHook("after-expression",e)}gobbleBinaryOp(){this.gobbleSpaces();let t=this.expr.substr(this.index,e.max_binop_len),r=t.length;for(;r>0;){if(e.binary_ops.hasOwnProperty(t)&&(!e.isIdentifierStart(this.code)||this.index+t.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+t.length))))return this.index+=r,t;t=t.substr(0,--r)}return!1}gobbleBinaryExpression(){let t,r,i,s,n,o,h,a,l;if(o=this.gobbleToken(),!o)return o;if(r=this.gobbleBinaryOp(),!r)return o;for(n={value:r,prec:e.binaryPrecedence(r),right_a:e.right_associative.has(r)},h=this.gobbleToken(),h||this.throwError("Expected expression after "+r),s=[o,n,h];r=this.gobbleBinaryOp();){if(i=e.binaryPrecedence(r),0===i){this.index-=r.length;break}n={value:r,prec:i,right_a:e.right_associative.has(r)},l=r;const a=e=>n.right_a&&e.right_a?i>e.prec:i<=e.prec;for(;s.length>2&&a(s[s.length-2]);)h=s.pop(),r=s.pop().value,o=s.pop(),t={type:e.BINARY_EXP,operator:r,left:o,right:h},s.push(t);t=this.gobbleToken(),t||this.throwError("Expected expression after "+l),s.push(n,t)}for(a=s.length-1,t=s[a];a>1;)t={type:e.BINARY_EXP,operator:s[a-1].value,left:s[a-2],right:t},a-=2;return t}gobbleToken(){let t,r,i,s;if(this.gobbleSpaces(),s=this.searchHook("gobble-token"),s)return this.runHook("after-token",s);if(t=this.code,e.isDecimalDigit(t)||t===e.PERIOD_CODE)return this.gobbleNumericLiteral();if(t===e.SQUOTE_CODE||t===e.DQUOTE_CODE)s=this.gobbleStringLiteral();else if(t===e.OBRACK_CODE)s=this.gobbleArray();else{for(r=this.expr.substr(this.index,e.max_unop_len),i=r.length;i>0;){if(e.unary_ops.hasOwnProperty(r)&&(!e.isIdentifierStart(this.code)||this.index+r.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+r.length)))){this.index+=i;const t=this.gobbleToken();return t||this.throwError("missing unaryOp argument"),this.runHook("after-token",{type:e.UNARY_EXP,operator:r,argument:t,prefix:!0})}r=r.substr(0,--i)}e.isIdentifierStart(t)?(s=this.gobbleIdentifier(),e.literals.hasOwnProperty(s.name)?s={type:e.LITERAL,value:e.literals[s.name],raw:s.name}:s.name===e.this_str&&(s={type:e.THIS_EXP})):t===e.OPAREN_CODE&&(s=this.gobbleGroup())}return s?(s=this.gobbleTokenProperty(s),this.runHook("after-token",s)):this.runHook("after-token",!1)}gobbleTokenProperty(t){this.gobbleSpaces();let r=this.code;for(;r===e.PERIOD_CODE||r===e.OBRACK_CODE||r===e.OPAREN_CODE||r===e.QUMARK_CODE;){let i;if(r===e.QUMARK_CODE){if(this.expr.charCodeAt(this.index+1)!==e.PERIOD_CODE)break;i=!0,this.index+=2,this.gobbleSpaces(),r=this.code}this.index++,r===e.OBRACK_CODE?((t={type:e.MEMBER_EXP,computed:!0,object:t,property:this.gobbleExpression()}).property||this.throwError('Unexpected "'+this.char+'"'),this.gobbleSpaces(),r=this.code,r!==e.CBRACK_CODE&&this.throwError("Unclosed ["),this.index++):r===e.OPAREN_CODE?t={type:e.CALL_EXP,arguments:this.gobbleArguments(e.CPAREN_CODE),callee:t}:(r===e.PERIOD_CODE||i)&&(i&&this.index--,this.gobbleSpaces(),t={type:e.MEMBER_EXP,computed:!1,object:t,property:this.gobbleIdentifier()}),i&&(t.optional=!0),this.gobbleSpaces(),r=this.code}return t}gobbleNumericLiteral(){let t,r,i="";for(;e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(this.code===e.PERIOD_CODE)for(i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(t=this.char,"e"===t||"E"===t){for(i+=this.expr.charAt(this.index++),t=this.char,"+"!==t&&"-"!==t||(i+=this.expr.charAt(this.index++));e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.expr.charCodeAt(this.index-1))||this.throwError("Expected exponent ("+i+this.char+")")}return r=this.code,e.isIdentifierStart(r)?this.throwError("Variable names cannot start with a number ("+i+this.char+")"):(r===e.PERIOD_CODE||1===i.length&&i.charCodeAt(0)===e.PERIOD_CODE)&&this.throwError("Unexpected period"),{type:e.LITERAL,value:parseFloat(i),raw:i}}gobbleStringLiteral(){let t="";const r=this.index,i=this.expr.charAt(this.index++);let s=!1;for(;this.index<this.expr.length;){let e=this.expr.charAt(this.index++);if(e===i){s=!0;break}if("\\"===e)switch(e=this.expr.charAt(this.index++),e){case"n":t+="\n";break;case"r":t+="\r";break;case"t":t+="\t";break;case"b":t+="\b";break;case"f":t+="\f";break;case"v":t+="\v";break;default:t+=e}else t+=e}return s||this.throwError('Unclosed quote after "'+t+'"'),{type:e.LITERAL,value:t,raw:this.expr.substring(r,this.index)}}gobbleIdentifier(){let t=this.code,r=this.index;for(e.isIdentifierStart(t)?this.index++:this.throwError("Unexpected "+this.char);this.index<this.expr.length&&(t=this.code,e.isIdentifierPart(t));)this.index++;return{type:e.IDENTIFIER,name:this.expr.slice(r,this.index)}}gobbleArguments(t){const r=[];let i=!1,s=0;for(;this.index<this.expr.length;){this.gobbleSpaces();let n=this.code;if(n===t){i=!0,this.index++,t===e.CPAREN_CODE&&s&&s>=r.length&&this.throwError("Unexpected token "+String.fromCharCode(t));break}if(n===e.COMMA_CODE){if(this.index++,s++,s!==r.length)if(t===e.CPAREN_CODE)this.throwError("Unexpected token ,");else if(t===e.CBRACK_CODE)for(let e=r.length;e<s;e++)r.push(null)}else if(r.length!==s&&0!==s)this.throwError("Expected comma");else{const t=this.gobbleExpression();t&&t.type!==e.COMPOUND||this.throwError("Expected comma"),r.push(t)}}return i||this.throwError("Expected "+String.fromCharCode(t)),r}gobbleGroup(){this.index++;let t=this.gobbleExpressions(e.CPAREN_CODE);if(this.code===e.CPAREN_CODE)return this.index++,1===t.length?t[0]:!!t.length&&{type:e.SEQUENCE_EXP,expressions:t};this.throwError("Unclosed (")}gobbleArray(){return this.index++,{type:e.ARRAY_EXP,elements:this.gobbleArguments(e.CBRACK_CODE)}}}const t=new class{add(e,t,r){if("string"!=typeof arguments[0])for(let e in arguments[0])this.add(e,arguments[0][e],arguments[1]);else(Array.isArray(e)?e:[e]).forEach((function(e){this[e]=this[e]||[],t&&this[e][r?"unshift":"push"](t)}),this)}run(e,t){this[e]=this[e]||[],this[e].forEach((function(e){e.call(t&&t.context?t.context:t,t)}))}};Object.assign(e,{hooks:t,plugins:new class{constructor(e){this.jsep=e,this.registered={}}register(...e){e.forEach((e=>{if("object"!=typeof e||!e.name||!e.init)throw new Error("Invalid JSEP plugin format");this.registered[e.name]||(e.init(this.jsep),this.registered[e.name]=e)}))}}(e),COMPOUND:"Compound",SEQUENCE_EXP:"SequenceExpression",IDENTIFIER:"Identifier",MEMBER_EXP:"MemberExpression",LITERAL:"Literal",THIS_EXP:"ThisExpression",CALL_EXP:"CallExpression",UNARY_EXP:"UnaryExpression",BINARY_EXP:"BinaryExpression",ARRAY_EXP:"ArrayExpression",TAB_CODE:9,LF_CODE:10,CR_CODE:13,SPACE_CODE:32,PERIOD_CODE:46,COMMA_CODE:44,SQUOTE_CODE:39,DQUOTE_CODE:34,OPAREN_CODE:40,CPAREN_CODE:41,OBRACK_CODE:91,CBRACK_CODE:93,QUMARK_CODE:63,SEMCOL_CODE:59,COLON_CODE:58,unary_ops:{"-":1,"!":1,"~":1,"+":1},binary_ops:{"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":10,"/":10,"%":10},right_associative:new Set,additional_identifier_chars:new Set(["$","_"]),literals:{true:!0,false:!1,null:null},this_str:"this"}),e.max_unop_len=e.getMaxKeyLen(e.unary_ops),e.max_binop_len=e.getMaxKeyLen(e.binary_ops);const r=t=>new e(t).parse(),i=Object.getOwnPropertyNames(class{});Object.getOwnPropertyNames(e).filter((e=>!i.includes(e)&&void 0===r[e])).forEach((t=>{r[t]=e[t]})),r.Jsep=e;var s={name:"ternary",init(e){e.hooks.add("after-expression",(function(t){if(t.node&&this.code===e.QUMARK_CODE){this.index++;const r=t.node,i=this.gobbleExpression();if(i||this.throwError("Expected expression"),this.gobbleSpaces(),this.code===e.COLON_CODE){this.index++;const s=this.gobbleExpression();if(s||this.throwError("Expected expression"),t.node={type:"ConditionalExpression",test:r,consequent:i,alternate:s},r.operator&&e.binary_ops[r.operator]<=.9){let i=r;for(;i.right.operator&&e.binary_ops[i.right.operator]<=.9;)i=i.right;t.node.test=i.right,i.right=t.node,t.node=r}}else this.throwError("Expected :")}}))}};r.plugins.register(s),module.exports=r;
+"use strict";class e{static get version(){return"1.4.0"}static toString(){return"JavaScript Expression Parser (JSEP) v"+e.version}static addUnaryOp(t){return e.max_unop_len=Math.max(t.length,e.max_unop_len),e.unary_ops[t]=1,e}static addBinaryOp(t,r,i){return e.max_binop_len=Math.max(t.length,e.max_binop_len),e.binary_ops[t]=r,i?e.right_associative.add(t):e.right_associative.delete(t),e}static addIdentifierChar(t){return e.additional_identifier_chars.add(t),e}static addLiteral(t,r){return e.literals[t]=r,e}static removeUnaryOp(t){return delete e.unary_ops[t],t.length===e.max_unop_len&&(e.max_unop_len=e.getMaxKeyLen(e.unary_ops)),e}static removeAllUnaryOps(){return e.unary_ops={},e.max_unop_len=0,e}static removeIdentifierChar(t){return e.additional_identifier_chars.delete(t),e}static removeBinaryOp(t){return delete e.binary_ops[t],t.length===e.max_binop_len&&(e.max_binop_len=e.getMaxKeyLen(e.binary_ops)),e.right_associative.delete(t),e}static removeAllBinaryOps(){return e.binary_ops={},e.max_binop_len=0,e}static removeLiteral(t){return delete e.literals[t],e}static removeAllLiterals(){return e.literals={},e}get char(){return this.expr.charAt(this.index)}get code(){return this.expr.charCodeAt(this.index)}constructor(e){this.expr=e,this.index=0}static parse(t){return new e(t).parse()}static getMaxKeyLen(e){return Math.max(0,...Object.keys(e).map((e=>e.length)))}static isDecimalDigit(e){return e>=48&&e<=57}static binaryPrecedence(t){return e.binary_ops[t]||0}static isIdentifierStart(t){return t>=65&&t<=90||t>=97&&t<=122||t>=128&&!e.binary_ops[String.fromCharCode(t)]||e.additional_identifier_chars.has(String.fromCharCode(t))}static isIdentifierPart(t){return e.isIdentifierStart(t)||e.isDecimalDigit(t)}throwError(e){const t=new Error(e+" at character "+this.index);throw t.index=this.index,t.description=e,t}runHook(t,r){if(e.hooks[t]){const i={context:this,node:r};return e.hooks.run(t,i),i.node}return r}searchHook(t){if(e.hooks[t]){const r={context:this};return e.hooks[t].find((function(e){return e.call(r.context,r),r.node})),r.node}}gobbleSpaces(){let t=this.code;for(;t===e.SPACE_CODE||t===e.TAB_CODE||t===e.LF_CODE||t===e.CR_CODE;)t=this.expr.charCodeAt(++this.index);this.runHook("gobble-spaces")}parse(){this.runHook("before-all");const t=this.gobbleExpressions(),r=1===t.length?t[0]:{type:e.COMPOUND,body:t};return this.runHook("after-all",r)}gobbleExpressions(t){let r,i,s=[];for(;this.index<this.expr.length;)if(r=this.code,r===e.SEMCOL_CODE||r===e.COMMA_CODE)this.index++;else if(i=this.gobbleExpression())s.push(i);else if(this.index<this.expr.length){if(r===t)break;this.throwError('Unexpected "'+this.char+'"')}return s}gobbleExpression(){const e=this.searchHook("gobble-expression")||this.gobbleBinaryExpression();return this.gobbleSpaces(),this.runHook("after-expression",e)}gobbleBinaryOp(){this.gobbleSpaces();let t=this.expr.substr(this.index,e.max_binop_len),r=t.length;for(;r>0;){if(e.binary_ops.hasOwnProperty(t)&&(!e.isIdentifierStart(this.code)||this.index+t.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+t.length))))return this.index+=r,t;t=t.substr(0,--r)}return!1}gobbleBinaryExpression(){let t,r,i,s,n,o,h,a,l;if(o=this.gobbleToken(),!o)return o;if(r=this.gobbleBinaryOp(),!r)return o;for(n={value:r,prec:e.binaryPrecedence(r),right_a:e.right_associative.has(r)},h=this.gobbleToken(),h||this.throwError("Expected expression after "+r),s=[o,n,h];r=this.gobbleBinaryOp();){if(i=e.binaryPrecedence(r),0===i){this.index-=r.length;break}n={value:r,prec:i,right_a:e.right_associative.has(r)},l=r;const a=e=>n.right_a&&e.right_a?i>e.prec:i<=e.prec;for(;s.length>2&&a(s[s.length-2]);)h=s.pop(),r=s.pop().value,o=s.pop(),t={type:e.BINARY_EXP,operator:r,left:o,right:h},s.push(t);t=this.gobbleToken(),t||this.throwError("Expected expression after "+l),s.push(n,t)}for(a=s.length-1,t=s[a];a>1;)t={type:e.BINARY_EXP,operator:s[a-1].value,left:s[a-2],right:t},a-=2;return t}gobbleToken(){let t,r,i,s;if(this.gobbleSpaces(),s=this.searchHook("gobble-token"),s)return this.runHook("after-token",s);if(t=this.code,e.isDecimalDigit(t)||t===e.PERIOD_CODE)return this.gobbleNumericLiteral();if(t===e.SQUOTE_CODE||t===e.DQUOTE_CODE)s=this.gobbleStringLiteral();else if(t===e.OBRACK_CODE)s=this.gobbleArray();else{for(r=this.expr.substr(this.index,e.max_unop_len),i=r.length;i>0;){if(e.unary_ops.hasOwnProperty(r)&&(!e.isIdentifierStart(this.code)||this.index+r.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+r.length)))){this.index+=i;const t=this.gobbleToken();return t||this.throwError("missing unaryOp argument"),this.runHook("after-token",{type:e.UNARY_EXP,operator:r,argument:t,prefix:!0})}r=r.substr(0,--i)}e.isIdentifierStart(t)?(s=this.gobbleIdentifier(),e.literals.hasOwnProperty(s.name)?s={type:e.LITERAL,value:e.literals[s.name],raw:s.name}:s.name===e.this_str&&(s={type:e.THIS_EXP})):t===e.OPAREN_CODE&&(s=this.gobbleGroup())}return s?(s=this.gobbleTokenProperty(s),this.runHook("after-token",s)):this.runHook("after-token",!1)}gobbleTokenProperty(t){this.gobbleSpaces();let r=this.code;for(;r===e.PERIOD_CODE||r===e.OBRACK_CODE||r===e.OPAREN_CODE||r===e.QUMARK_CODE;){let i;if(r===e.QUMARK_CODE){if(this.expr.charCodeAt(this.index+1)!==e.PERIOD_CODE)break;i=!0,this.index+=2,this.gobbleSpaces(),r=this.code}this.index++,r===e.OBRACK_CODE?((t={type:e.MEMBER_EXP,computed:!0,object:t,property:this.gobbleExpression()}).property||this.throwError('Unexpected "'+this.char+'"'),this.gobbleSpaces(),r=this.code,r!==e.CBRACK_CODE&&this.throwError("Unclosed ["),this.index++):r===e.OPAREN_CODE?t={type:e.CALL_EXP,arguments:this.gobbleArguments(e.CPAREN_CODE),callee:t}:(r===e.PERIOD_CODE||i)&&(i&&this.index--,this.gobbleSpaces(),t={type:e.MEMBER_EXP,computed:!1,object:t,property:this.gobbleIdentifier()}),i&&(t.optional=!0),this.gobbleSpaces(),r=this.code}return t}gobbleNumericLiteral(){let t,r,i="";for(;e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(this.code===e.PERIOD_CODE)for(i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(t=this.char,"e"===t||"E"===t){for(i+=this.expr.charAt(this.index++),t=this.char,"+"!==t&&"-"!==t||(i+=this.expr.charAt(this.index++));e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.expr.charCodeAt(this.index-1))||this.throwError("Expected exponent ("+i+this.char+")")}return r=this.code,e.isIdentifierStart(r)?this.throwError("Variable names cannot start with a number ("+i+this.char+")"):(r===e.PERIOD_CODE||1===i.length&&i.charCodeAt(0)===e.PERIOD_CODE)&&this.throwError("Unexpected period"),{type:e.LITERAL,value:parseFloat(i),raw:i}}gobbleStringLiteral(){let t="";const r=this.index,i=this.expr.charAt(this.index++);let s=!1;for(;this.index<this.expr.length;){let e=this.expr.charAt(this.index++);if(e===i){s=!0;break}if("\\"===e)switch(e=this.expr.charAt(this.index++),e){case"n":t+="\n";break;case"r":t+="\r";break;case"t":t+="\t";break;case"b":t+="\b";break;case"f":t+="\f";break;case"v":t+="\v";break;default:t+=e}else t+=e}return s||this.throwError('Unclosed quote after "'+t+'"'),{type:e.LITERAL,value:t,raw:this.expr.substring(r,this.index)}}gobbleIdentifier(){let t=this.code,r=this.index;for(e.isIdentifierStart(t)?this.index++:this.throwError("Unexpected "+this.char);this.index<this.expr.length&&(t=this.code,e.isIdentifierPart(t));)this.index++;return{type:e.IDENTIFIER,name:this.expr.slice(r,this.index)}}gobbleArguments(t){const r=[];let i=!1,s=0;for(;this.index<this.expr.length;){this.gobbleSpaces();let n=this.code;if(n===t){i=!0,this.index++,t===e.CPAREN_CODE&&s&&s>=r.length&&this.throwError("Unexpected token "+String.fromCharCode(t));break}if(n===e.COMMA_CODE){if(this.index++,s++,s!==r.length)if(t===e.CPAREN_CODE)this.throwError("Unexpected token ,");else if(t===e.CBRACK_CODE)for(let e=r.length;e<s;e++)r.push(null)}else if(r.length!==s&&0!==s)this.throwError("Expected comma");else{const t=this.gobbleExpression();t&&t.type!==e.COMPOUND||this.throwError("Expected comma"),r.push(t)}}return i||this.throwError("Expected "+String.fromCharCode(t)),r}gobbleGroup(){this.index++;let t=this.gobbleExpressions(e.CPAREN_CODE);if(this.code===e.CPAREN_CODE)return this.index++,1===t.length?t[0]:!!t.length&&{type:e.SEQUENCE_EXP,expressions:t};this.throwError("Unclosed (")}gobbleArray(){return this.index++,{type:e.ARRAY_EXP,elements:this.gobbleArguments(e.CBRACK_CODE)}}}const t=new class{add(e,t,r){if("string"!=typeof arguments[0])for(let e in arguments[0])this.add(e,arguments[0][e],arguments[1]);else(Array.isArray(e)?e:[e]).forEach((function(e){this[e]=this[e]||[],t&&this[e][r?"unshift":"push"](t)}),this)}run(e,t){this[e]=this[e]||[],this[e].forEach((function(e){e.call(t&&t.context?t.context:t,t)}))}};Object.assign(e,{hooks:t,plugins:new class{constructor(e){this.jsep=e,this.registered={}}register(...e){e.forEach((e=>{if("object"!=typeof e||!e.name||!e.init)throw new Error("Invalid JSEP plugin format");this.registered[e.name]||(e.init(this.jsep),this.registered[e.name]=e)}))}}(e),COMPOUND:"Compound",SEQUENCE_EXP:"SequenceExpression",IDENTIFIER:"Identifier",MEMBER_EXP:"MemberExpression",LITERAL:"Literal",THIS_EXP:"ThisExpression",CALL_EXP:"CallExpression",UNARY_EXP:"UnaryExpression",BINARY_EXP:"BinaryExpression",ARRAY_EXP:"ArrayExpression",TAB_CODE:9,LF_CODE:10,CR_CODE:13,SPACE_CODE:32,PERIOD_CODE:46,COMMA_CODE:44,SQUOTE_CODE:39,DQUOTE_CODE:34,OPAREN_CODE:40,CPAREN_CODE:41,OBRACK_CODE:91,CBRACK_CODE:93,QUMARK_CODE:63,SEMCOL_CODE:59,COLON_CODE:58,unary_ops:{"-":1,"!":1,"~":1,"+":1},binary_ops:{"||":1,"??":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":10,"/":10,"%":10,"**":11},right_associative:new Set(["**"]),additional_identifier_chars:new Set(["$","_"]),literals:{true:!0,false:!1,null:null},this_str:"this"}),e.max_unop_len=e.getMaxKeyLen(e.unary_ops),e.max_binop_len=e.getMaxKeyLen(e.binary_ops);const r=t=>new e(t).parse(),i=Object.getOwnPropertyNames(class{});Object.getOwnPropertyNames(e).filter((e=>!i.includes(e)&&void 0===r[e])).forEach((t=>{r[t]=e[t]})),r.Jsep=e;var s={name:"ternary",init(e){e.hooks.add("after-expression",(function(t){if(t.node&&this.code===e.QUMARK_CODE){this.index++;const r=t.node,i=this.gobbleExpression();if(i||this.throwError("Expected expression"),this.gobbleSpaces(),this.code===e.COLON_CODE){this.index++;const s=this.gobbleExpression();if(s||this.throwError("Expected expression"),t.node={type:"ConditionalExpression",test:r,consequent:i,alternate:s},r.operator&&e.binary_ops[r.operator]<=.9){let i=r;for(;i.right.operator&&e.binary_ops[i.right.operator]<=.9;)i=i.right;t.node.test=i.right,i.right=t.node,t.node=r}}else this.throwError("Expected :")}}))}};r.plugins.register(s),module.exports=r;
 //# sourceMappingURL=jsep.cjs.min.js.map

dist/iife/jsep.iife.js

@@ -98,3 +98,3 @@ var jsep = (function () {
 
-	//     JavaScript Expression Parser (JSEP) 1.3.9
+	//     JavaScript Expression Parser (JSEP) 1.4.0
 
@@ -107,3 +107,3 @@ class Jsep {
 			// To be filled in by the template
-			return '1.3.9';
+			return '1.4.0';
 		}
@@ -1033,3 +1033,4 @@
 		binary_ops: {
-			'||': 1, '&&': 2, '|': 3, '^': 4, '&': 5,
+			'||': 1, '??': 1,
+			'&&': 2, '|': 3, '^': 4, '&': 5,
 			'==': 6, '!=': 6, '===': 6, '!==': 6,
@@ -1039,7 +1040,8 @@ '<': 7, '>': 7, '<=': 7, '>=': 7,
 			'+': 9, '-': 9,
-			'*': 10, '/': 10, '%': 10
+			'*': 10, '/': 10, '%': 10,
+			'**': 11,
 		},
 
 		// sets specific binary_ops as right-associative
-		right_associative: new Set(),
+		right_associative: new Set(['**']),
 
@@ -1046,0 +1048,0 @@ // Additional valid identifier chars, apart from a-z, A-Z and 0-9 (except on the starting char)

dist/iife/jsep.iife.min.js

@@ -1,2 +0,2 @@
-var jsep=function(){"use strict";class e{static get version(){return"1.3.9"}static toString(){return"JavaScript Expression Parser (JSEP) v"+e.version}static addUnaryOp(t){return e.max_unop_len=Math.max(t.length,e.max_unop_len),e.unary_ops[t]=1,e}static addBinaryOp(t,r,i){return e.max_binop_len=Math.max(t.length,e.max_binop_len),e.binary_ops[t]=r,i?e.right_associative.add(t):e.right_associative.delete(t),e}static addIdentifierChar(t){return e.additional_identifier_chars.add(t),e}static addLiteral(t,r){return e.literals[t]=r,e}static removeUnaryOp(t){return delete e.unary_ops[t],t.length===e.max_unop_len&&(e.max_unop_len=e.getMaxKeyLen(e.unary_ops)),e}static removeAllUnaryOps(){return e.unary_ops={},e.max_unop_len=0,e}static removeIdentifierChar(t){return e.additional_identifier_chars.delete(t),e}static removeBinaryOp(t){return delete e.binary_ops[t],t.length===e.max_binop_len&&(e.max_binop_len=e.getMaxKeyLen(e.binary_ops)),e.right_associative.delete(t),e}static removeAllBinaryOps(){return e.binary_ops={},e.max_binop_len=0,e}static removeLiteral(t){return delete e.literals[t],e}static removeAllLiterals(){return e.literals={},e}get char(){return this.expr.charAt(this.index)}get code(){return this.expr.charCodeAt(this.index)}constructor(e){this.expr=e,this.index=0}static parse(t){return new e(t).parse()}static getMaxKeyLen(e){return Math.max(0,...Object.keys(e).map((e=>e.length)))}static isDecimalDigit(e){return e>=48&&e<=57}static binaryPrecedence(t){return e.binary_ops[t]||0}static isIdentifierStart(t){return t>=65&&t<=90||t>=97&&t<=122||t>=128&&!e.binary_ops[String.fromCharCode(t)]||e.additional_identifier_chars.has(String.fromCharCode(t))}static isIdentifierPart(t){return e.isIdentifierStart(t)||e.isDecimalDigit(t)}throwError(e){const t=new Error(e+" at character "+this.index);throw t.index=this.index,t.description=e,t}runHook(t,r){if(e.hooks[t]){const i={context:this,node:r};return e.hooks.run(t,i),i.node}return r}searchHook(t){if(e.hooks[t]){const r={context:this};return e.hooks[t].find((function(e){return e.call(r.context,r),r.node})),r.node}}gobbleSpaces(){let t=this.code;for(;t===e.SPACE_CODE||t===e.TAB_CODE||t===e.LF_CODE||t===e.CR_CODE;)t=this.expr.charCodeAt(++this.index);this.runHook("gobble-spaces")}parse(){this.runHook("before-all");const t=this.gobbleExpressions(),r=1===t.length?t[0]:{type:e.COMPOUND,body:t};return this.runHook("after-all",r)}gobbleExpressions(t){let r,i,s=[];for(;this.index<this.expr.length;)if(r=this.code,r===e.SEMCOL_CODE||r===e.COMMA_CODE)this.index++;else if(i=this.gobbleExpression())s.push(i);else if(this.index<this.expr.length){if(r===t)break;this.throwError('Unexpected "'+this.char+'"')}return s}gobbleExpression(){const e=this.searchHook("gobble-expression")||this.gobbleBinaryExpression();return this.gobbleSpaces(),this.runHook("after-expression",e)}gobbleBinaryOp(){this.gobbleSpaces();let t=this.expr.substr(this.index,e.max_binop_len),r=t.length;for(;r>0;){if(e.binary_ops.hasOwnProperty(t)&&(!e.isIdentifierStart(this.code)||this.index+t.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+t.length))))return this.index+=r,t;t=t.substr(0,--r)}return!1}gobbleBinaryExpression(){let t,r,i,s,n,o,h,a,l;if(o=this.gobbleToken(),!o)return o;if(r=this.gobbleBinaryOp(),!r)return o;for(n={value:r,prec:e.binaryPrecedence(r),right_a:e.right_associative.has(r)},h=this.gobbleToken(),h||this.throwError("Expected expression after "+r),s=[o,n,h];r=this.gobbleBinaryOp();){if(i=e.binaryPrecedence(r),0===i){this.index-=r.length;break}n={value:r,prec:i,right_a:e.right_associative.has(r)},l=r;const a=e=>n.right_a&&e.right_a?i>e.prec:i<=e.prec;for(;s.length>2&&a(s[s.length-2]);)h=s.pop(),r=s.pop().value,o=s.pop(),t={type:e.BINARY_EXP,operator:r,left:o,right:h},s.push(t);t=this.gobbleToken(),t||this.throwError("Expected expression after "+l),s.push(n,t)}for(a=s.length-1,t=s[a];a>1;)t={type:e.BINARY_EXP,operator:s[a-1].value,left:s[a-2],right:t},a-=2;return t}gobbleToken(){let t,r,i,s;if(this.gobbleSpaces(),s=this.searchHook("gobble-token"),s)return this.runHook("after-token",s);if(t=this.code,e.isDecimalDigit(t)||t===e.PERIOD_CODE)return this.gobbleNumericLiteral();if(t===e.SQUOTE_CODE||t===e.DQUOTE_CODE)s=this.gobbleStringLiteral();else if(t===e.OBRACK_CODE)s=this.gobbleArray();else{for(r=this.expr.substr(this.index,e.max_unop_len),i=r.length;i>0;){if(e.unary_ops.hasOwnProperty(r)&&(!e.isIdentifierStart(this.code)||this.index+r.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+r.length)))){this.index+=i;const t=this.gobbleToken();return t||this.throwError("missing unaryOp argument"),this.runHook("after-token",{type:e.UNARY_EXP,operator:r,argument:t,prefix:!0})}r=r.substr(0,--i)}e.isIdentifierStart(t)?(s=this.gobbleIdentifier(),e.literals.hasOwnProperty(s.name)?s={type:e.LITERAL,value:e.literals[s.name],raw:s.name}:s.name===e.this_str&&(s={type:e.THIS_EXP})):t===e.OPAREN_CODE&&(s=this.gobbleGroup())}return s?(s=this.gobbleTokenProperty(s),this.runHook("after-token",s)):this.runHook("after-token",!1)}gobbleTokenProperty(t){this.gobbleSpaces();let r=this.code;for(;r===e.PERIOD_CODE||r===e.OBRACK_CODE||r===e.OPAREN_CODE||r===e.QUMARK_CODE;){let i;if(r===e.QUMARK_CODE){if(this.expr.charCodeAt(this.index+1)!==e.PERIOD_CODE)break;i=!0,this.index+=2,this.gobbleSpaces(),r=this.code}this.index++,r===e.OBRACK_CODE?((t={type:e.MEMBER_EXP,computed:!0,object:t,property:this.gobbleExpression()}).property||this.throwError('Unexpected "'+this.char+'"'),this.gobbleSpaces(),r=this.code,r!==e.CBRACK_CODE&&this.throwError("Unclosed ["),this.index++):r===e.OPAREN_CODE?t={type:e.CALL_EXP,arguments:this.gobbleArguments(e.CPAREN_CODE),callee:t}:(r===e.PERIOD_CODE||i)&&(i&&this.index--,this.gobbleSpaces(),t={type:e.MEMBER_EXP,computed:!1,object:t,property:this.gobbleIdentifier()}),i&&(t.optional=!0),this.gobbleSpaces(),r=this.code}return t}gobbleNumericLiteral(){let t,r,i="";for(;e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(this.code===e.PERIOD_CODE)for(i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(t=this.char,"e"===t||"E"===t){for(i+=this.expr.charAt(this.index++),t=this.char,"+"!==t&&"-"!==t||(i+=this.expr.charAt(this.index++));e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.expr.charCodeAt(this.index-1))||this.throwError("Expected exponent ("+i+this.char+")")}return r=this.code,e.isIdentifierStart(r)?this.throwError("Variable names cannot start with a number ("+i+this.char+")"):(r===e.PERIOD_CODE||1===i.length&&i.charCodeAt(0)===e.PERIOD_CODE)&&this.throwError("Unexpected period"),{type:e.LITERAL,value:parseFloat(i),raw:i}}gobbleStringLiteral(){let t="";const r=this.index,i=this.expr.charAt(this.index++);let s=!1;for(;this.index<this.expr.length;){let e=this.expr.charAt(this.index++);if(e===i){s=!0;break}if("\\"===e)switch(e=this.expr.charAt(this.index++),e){case"n":t+="\n";break;case"r":t+="\r";break;case"t":t+="\t";break;case"b":t+="\b";break;case"f":t+="\f";break;case"v":t+="\v";break;default:t+=e}else t+=e}return s||this.throwError('Unclosed quote after "'+t+'"'),{type:e.LITERAL,value:t,raw:this.expr.substring(r,this.index)}}gobbleIdentifier(){let t=this.code,r=this.index;for(e.isIdentifierStart(t)?this.index++:this.throwError("Unexpected "+this.char);this.index<this.expr.length&&(t=this.code,e.isIdentifierPart(t));)this.index++;return{type:e.IDENTIFIER,name:this.expr.slice(r,this.index)}}gobbleArguments(t){const r=[];let i=!1,s=0;for(;this.index<this.expr.length;){this.gobbleSpaces();let n=this.code;if(n===t){i=!0,this.index++,t===e.CPAREN_CODE&&s&&s>=r.length&&this.throwError("Unexpected token "+String.fromCharCode(t));break}if(n===e.COMMA_CODE){if(this.index++,s++,s!==r.length)if(t===e.CPAREN_CODE)this.throwError("Unexpected token ,");else if(t===e.CBRACK_CODE)for(let e=r.length;e<s;e++)r.push(null)}else if(r.length!==s&&0!==s)this.throwError("Expected comma");else{const t=this.gobbleExpression();t&&t.type!==e.COMPOUND||this.throwError("Expected comma"),r.push(t)}}return i||this.throwError("Expected "+String.fromCharCode(t)),r}gobbleGroup(){this.index++;let t=this.gobbleExpressions(e.CPAREN_CODE);if(this.code===e.CPAREN_CODE)return this.index++,1===t.length?t[0]:!!t.length&&{type:e.SEQUENCE_EXP,expressions:t};this.throwError("Unclosed (")}gobbleArray(){return this.index++,{type:e.ARRAY_EXP,elements:this.gobbleArguments(e.CBRACK_CODE)}}}const t=new class{add(e,t,r){if("string"!=typeof arguments[0])for(let e in arguments[0])this.add(e,arguments[0][e],arguments[1]);else(Array.isArray(e)?e:[e]).forEach((function(e){this[e]=this[e]||[],t&&this[e][r?"unshift":"push"](t)}),this)}run(e,t){this[e]=this[e]||[],this[e].forEach((function(e){e.call(t&&t.context?t.context:t,t)}))}};Object.assign(e,{hooks:t,plugins:new class{constructor(e){this.jsep=e,this.registered={}}register(...e){e.forEach((e=>{if("object"!=typeof e||!e.name||!e.init)throw new Error("Invalid JSEP plugin format");this.registered[e.name]||(e.init(this.jsep),this.registered[e.name]=e)}))}}(e),COMPOUND:"Compound",SEQUENCE_EXP:"SequenceExpression",IDENTIFIER:"Identifier",MEMBER_EXP:"MemberExpression",LITERAL:"Literal",THIS_EXP:"ThisExpression",CALL_EXP:"CallExpression",UNARY_EXP:"UnaryExpression",BINARY_EXP:"BinaryExpression",ARRAY_EXP:"ArrayExpression",TAB_CODE:9,LF_CODE:10,CR_CODE:13,SPACE_CODE:32,PERIOD_CODE:46,COMMA_CODE:44,SQUOTE_CODE:39,DQUOTE_CODE:34,OPAREN_CODE:40,CPAREN_CODE:41,OBRACK_CODE:91,CBRACK_CODE:93,QUMARK_CODE:63,SEMCOL_CODE:59,COLON_CODE:58,unary_ops:{"-":1,"!":1,"~":1,"+":1},binary_ops:{"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":10,"/":10,"%":10},right_associative:new Set,additional_identifier_chars:new Set(["$","_"]),literals:{true:!0,false:!1,null:null},this_str:"this"}),e.max_unop_len=e.getMaxKeyLen(e.unary_ops),e.max_binop_len=e.getMaxKeyLen(e.binary_ops);const r=t=>new e(t).parse(),i=Object.getOwnPropertyNames(class{});Object.getOwnPropertyNames(e).filter((e=>!i.includes(e)&&void 0===r[e])).forEach((t=>{r[t]=e[t]})),r.Jsep=e;var s={name:"ternary",init(e){e.hooks.add("after-expression",(function(t){if(t.node&&this.code===e.QUMARK_CODE){this.index++;const r=t.node,i=this.gobbleExpression();if(i||this.throwError("Expected expression"),this.gobbleSpaces(),this.code===e.COLON_CODE){this.index++;const s=this.gobbleExpression();if(s||this.throwError("Expected expression"),t.node={type:"ConditionalExpression",test:r,consequent:i,alternate:s},r.operator&&e.binary_ops[r.operator]<=.9){let i=r;for(;i.right.operator&&e.binary_ops[i.right.operator]<=.9;)i=i.right;t.node.test=i.right,i.right=t.node,t.node=r}}else this.throwError("Expected :")}}))}};return r.plugins.register(s),r}();
+var jsep=function(){"use strict";class e{static get version(){return"1.4.0"}static toString(){return"JavaScript Expression Parser (JSEP) v"+e.version}static addUnaryOp(t){return e.max_unop_len=Math.max(t.length,e.max_unop_len),e.unary_ops[t]=1,e}static addBinaryOp(t,r,i){return e.max_binop_len=Math.max(t.length,e.max_binop_len),e.binary_ops[t]=r,i?e.right_associative.add(t):e.right_associative.delete(t),e}static addIdentifierChar(t){return e.additional_identifier_chars.add(t),e}static addLiteral(t,r){return e.literals[t]=r,e}static removeUnaryOp(t){return delete e.unary_ops[t],t.length===e.max_unop_len&&(e.max_unop_len=e.getMaxKeyLen(e.unary_ops)),e}static removeAllUnaryOps(){return e.unary_ops={},e.max_unop_len=0,e}static removeIdentifierChar(t){return e.additional_identifier_chars.delete(t),e}static removeBinaryOp(t){return delete e.binary_ops[t],t.length===e.max_binop_len&&(e.max_binop_len=e.getMaxKeyLen(e.binary_ops)),e.right_associative.delete(t),e}static removeAllBinaryOps(){return e.binary_ops={},e.max_binop_len=0,e}static removeLiteral(t){return delete e.literals[t],e}static removeAllLiterals(){return e.literals={},e}get char(){return this.expr.charAt(this.index)}get code(){return this.expr.charCodeAt(this.index)}constructor(e){this.expr=e,this.index=0}static parse(t){return new e(t).parse()}static getMaxKeyLen(e){return Math.max(0,...Object.keys(e).map((e=>e.length)))}static isDecimalDigit(e){return e>=48&&e<=57}static binaryPrecedence(t){return e.binary_ops[t]||0}static isIdentifierStart(t){return t>=65&&t<=90||t>=97&&t<=122||t>=128&&!e.binary_ops[String.fromCharCode(t)]||e.additional_identifier_chars.has(String.fromCharCode(t))}static isIdentifierPart(t){return e.isIdentifierStart(t)||e.isDecimalDigit(t)}throwError(e){const t=new Error(e+" at character "+this.index);throw t.index=this.index,t.description=e,t}runHook(t,r){if(e.hooks[t]){const i={context:this,node:r};return e.hooks.run(t,i),i.node}return r}searchHook(t){if(e.hooks[t]){const r={context:this};return e.hooks[t].find((function(e){return e.call(r.context,r),r.node})),r.node}}gobbleSpaces(){let t=this.code;for(;t===e.SPACE_CODE||t===e.TAB_CODE||t===e.LF_CODE||t===e.CR_CODE;)t=this.expr.charCodeAt(++this.index);this.runHook("gobble-spaces")}parse(){this.runHook("before-all");const t=this.gobbleExpressions(),r=1===t.length?t[0]:{type:e.COMPOUND,body:t};return this.runHook("after-all",r)}gobbleExpressions(t){let r,i,s=[];for(;this.index<this.expr.length;)if(r=this.code,r===e.SEMCOL_CODE||r===e.COMMA_CODE)this.index++;else if(i=this.gobbleExpression())s.push(i);else if(this.index<this.expr.length){if(r===t)break;this.throwError('Unexpected "'+this.char+'"')}return s}gobbleExpression(){const e=this.searchHook("gobble-expression")||this.gobbleBinaryExpression();return this.gobbleSpaces(),this.runHook("after-expression",e)}gobbleBinaryOp(){this.gobbleSpaces();let t=this.expr.substr(this.index,e.max_binop_len),r=t.length;for(;r>0;){if(e.binary_ops.hasOwnProperty(t)&&(!e.isIdentifierStart(this.code)||this.index+t.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+t.length))))return this.index+=r,t;t=t.substr(0,--r)}return!1}gobbleBinaryExpression(){let t,r,i,s,n,o,h,a,l;if(o=this.gobbleToken(),!o)return o;if(r=this.gobbleBinaryOp(),!r)return o;for(n={value:r,prec:e.binaryPrecedence(r),right_a:e.right_associative.has(r)},h=this.gobbleToken(),h||this.throwError("Expected expression after "+r),s=[o,n,h];r=this.gobbleBinaryOp();){if(i=e.binaryPrecedence(r),0===i){this.index-=r.length;break}n={value:r,prec:i,right_a:e.right_associative.has(r)},l=r;const a=e=>n.right_a&&e.right_a?i>e.prec:i<=e.prec;for(;s.length>2&&a(s[s.length-2]);)h=s.pop(),r=s.pop().value,o=s.pop(),t={type:e.BINARY_EXP,operator:r,left:o,right:h},s.push(t);t=this.gobbleToken(),t||this.throwError("Expected expression after "+l),s.push(n,t)}for(a=s.length-1,t=s[a];a>1;)t={type:e.BINARY_EXP,operator:s[a-1].value,left:s[a-2],right:t},a-=2;return t}gobbleToken(){let t,r,i,s;if(this.gobbleSpaces(),s=this.searchHook("gobble-token"),s)return this.runHook("after-token",s);if(t=this.code,e.isDecimalDigit(t)||t===e.PERIOD_CODE)return this.gobbleNumericLiteral();if(t===e.SQUOTE_CODE||t===e.DQUOTE_CODE)s=this.gobbleStringLiteral();else if(t===e.OBRACK_CODE)s=this.gobbleArray();else{for(r=this.expr.substr(this.index,e.max_unop_len),i=r.length;i>0;){if(e.unary_ops.hasOwnProperty(r)&&(!e.isIdentifierStart(this.code)||this.index+r.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+r.length)))){this.index+=i;const t=this.gobbleToken();return t||this.throwError("missing unaryOp argument"),this.runHook("after-token",{type:e.UNARY_EXP,operator:r,argument:t,prefix:!0})}r=r.substr(0,--i)}e.isIdentifierStart(t)?(s=this.gobbleIdentifier(),e.literals.hasOwnProperty(s.name)?s={type:e.LITERAL,value:e.literals[s.name],raw:s.name}:s.name===e.this_str&&(s={type:e.THIS_EXP})):t===e.OPAREN_CODE&&(s=this.gobbleGroup())}return s?(s=this.gobbleTokenProperty(s),this.runHook("after-token",s)):this.runHook("after-token",!1)}gobbleTokenProperty(t){this.gobbleSpaces();let r=this.code;for(;r===e.PERIOD_CODE||r===e.OBRACK_CODE||r===e.OPAREN_CODE||r===e.QUMARK_CODE;){let i;if(r===e.QUMARK_CODE){if(this.expr.charCodeAt(this.index+1)!==e.PERIOD_CODE)break;i=!0,this.index+=2,this.gobbleSpaces(),r=this.code}this.index++,r===e.OBRACK_CODE?((t={type:e.MEMBER_EXP,computed:!0,object:t,property:this.gobbleExpression()}).property||this.throwError('Unexpected "'+this.char+'"'),this.gobbleSpaces(),r=this.code,r!==e.CBRACK_CODE&&this.throwError("Unclosed ["),this.index++):r===e.OPAREN_CODE?t={type:e.CALL_EXP,arguments:this.gobbleArguments(e.CPAREN_CODE),callee:t}:(r===e.PERIOD_CODE||i)&&(i&&this.index--,this.gobbleSpaces(),t={type:e.MEMBER_EXP,computed:!1,object:t,property:this.gobbleIdentifier()}),i&&(t.optional=!0),this.gobbleSpaces(),r=this.code}return t}gobbleNumericLiteral(){let t,r,i="";for(;e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(this.code===e.PERIOD_CODE)for(i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(t=this.char,"e"===t||"E"===t){for(i+=this.expr.charAt(this.index++),t=this.char,"+"!==t&&"-"!==t||(i+=this.expr.charAt(this.index++));e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.expr.charCodeAt(this.index-1))||this.throwError("Expected exponent ("+i+this.char+")")}return r=this.code,e.isIdentifierStart(r)?this.throwError("Variable names cannot start with a number ("+i+this.char+")"):(r===e.PERIOD_CODE||1===i.length&&i.charCodeAt(0)===e.PERIOD_CODE)&&this.throwError("Unexpected period"),{type:e.LITERAL,value:parseFloat(i),raw:i}}gobbleStringLiteral(){let t="";const r=this.index,i=this.expr.charAt(this.index++);let s=!1;for(;this.index<this.expr.length;){let e=this.expr.charAt(this.index++);if(e===i){s=!0;break}if("\\"===e)switch(e=this.expr.charAt(this.index++),e){case"n":t+="\n";break;case"r":t+="\r";break;case"t":t+="\t";break;case"b":t+="\b";break;case"f":t+="\f";break;case"v":t+="\v";break;default:t+=e}else t+=e}return s||this.throwError('Unclosed quote after "'+t+'"'),{type:e.LITERAL,value:t,raw:this.expr.substring(r,this.index)}}gobbleIdentifier(){let t=this.code,r=this.index;for(e.isIdentifierStart(t)?this.index++:this.throwError("Unexpected "+this.char);this.index<this.expr.length&&(t=this.code,e.isIdentifierPart(t));)this.index++;return{type:e.IDENTIFIER,name:this.expr.slice(r,this.index)}}gobbleArguments(t){const r=[];let i=!1,s=0;for(;this.index<this.expr.length;){this.gobbleSpaces();let n=this.code;if(n===t){i=!0,this.index++,t===e.CPAREN_CODE&&s&&s>=r.length&&this.throwError("Unexpected token "+String.fromCharCode(t));break}if(n===e.COMMA_CODE){if(this.index++,s++,s!==r.length)if(t===e.CPAREN_CODE)this.throwError("Unexpected token ,");else if(t===e.CBRACK_CODE)for(let e=r.length;e<s;e++)r.push(null)}else if(r.length!==s&&0!==s)this.throwError("Expected comma");else{const t=this.gobbleExpression();t&&t.type!==e.COMPOUND||this.throwError("Expected comma"),r.push(t)}}return i||this.throwError("Expected "+String.fromCharCode(t)),r}gobbleGroup(){this.index++;let t=this.gobbleExpressions(e.CPAREN_CODE);if(this.code===e.CPAREN_CODE)return this.index++,1===t.length?t[0]:!!t.length&&{type:e.SEQUENCE_EXP,expressions:t};this.throwError("Unclosed (")}gobbleArray(){return this.index++,{type:e.ARRAY_EXP,elements:this.gobbleArguments(e.CBRACK_CODE)}}}const t=new class{add(e,t,r){if("string"!=typeof arguments[0])for(let e in arguments[0])this.add(e,arguments[0][e],arguments[1]);else(Array.isArray(e)?e:[e]).forEach((function(e){this[e]=this[e]||[],t&&this[e][r?"unshift":"push"](t)}),this)}run(e,t){this[e]=this[e]||[],this[e].forEach((function(e){e.call(t&&t.context?t.context:t,t)}))}};Object.assign(e,{hooks:t,plugins:new class{constructor(e){this.jsep=e,this.registered={}}register(...e){e.forEach((e=>{if("object"!=typeof e||!e.name||!e.init)throw new Error("Invalid JSEP plugin format");this.registered[e.name]||(e.init(this.jsep),this.registered[e.name]=e)}))}}(e),COMPOUND:"Compound",SEQUENCE_EXP:"SequenceExpression",IDENTIFIER:"Identifier",MEMBER_EXP:"MemberExpression",LITERAL:"Literal",THIS_EXP:"ThisExpression",CALL_EXP:"CallExpression",UNARY_EXP:"UnaryExpression",BINARY_EXP:"BinaryExpression",ARRAY_EXP:"ArrayExpression",TAB_CODE:9,LF_CODE:10,CR_CODE:13,SPACE_CODE:32,PERIOD_CODE:46,COMMA_CODE:44,SQUOTE_CODE:39,DQUOTE_CODE:34,OPAREN_CODE:40,CPAREN_CODE:41,OBRACK_CODE:91,CBRACK_CODE:93,QUMARK_CODE:63,SEMCOL_CODE:59,COLON_CODE:58,unary_ops:{"-":1,"!":1,"~":1,"+":1},binary_ops:{"||":1,"??":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":10,"/":10,"%":10,"**":11},right_associative:new Set(["**"]),additional_identifier_chars:new Set(["$","_"]),literals:{true:!0,false:!1,null:null},this_str:"this"}),e.max_unop_len=e.getMaxKeyLen(e.unary_ops),e.max_binop_len=e.getMaxKeyLen(e.binary_ops);const r=t=>new e(t).parse(),i=Object.getOwnPropertyNames(class{});Object.getOwnPropertyNames(e).filter((e=>!i.includes(e)&&void 0===r[e])).forEach((t=>{r[t]=e[t]})),r.Jsep=e;var s={name:"ternary",init(e){e.hooks.add("after-expression",(function(t){if(t.node&&this.code===e.QUMARK_CODE){this.index++;const r=t.node,i=this.gobbleExpression();if(i||this.throwError("Expected expression"),this.gobbleSpaces(),this.code===e.COLON_CODE){this.index++;const s=this.gobbleExpression();if(s||this.throwError("Expected expression"),t.node={type:"ConditionalExpression",test:r,consequent:i,alternate:s},r.operator&&e.binary_ops[r.operator]<=.9){let i=r;for(;i.right.operator&&e.binary_ops[i.right.operator]<=.9;)i=i.right;t.node.test=i.right,i.right=t.node,t.node=r}}else this.throwError("Expected :")}}))}};return r.plugins.register(s),r}();
 //# sourceMappingURL=jsep.iife.min.js.map

dist/jsep.js

@@ -95,3 +95,3 @@ /**
 
-//     JavaScript Expression Parser (JSEP) 1.3.9
+//     JavaScript Expression Parser (JSEP) 1.4.0
 
@@ -104,3 +104,3 @@ class Jsep {
 		// To be filled in by the template
-		return '1.3.9';
+		return '1.4.0';
 	}
@@ -1030,3 +1030,4 @@
 	binary_ops: {
-		'||': 1, '&&': 2, '|': 3, '^': 4, '&': 5,
+		'||': 1, '??': 1,
+		'&&': 2, '|': 3, '^': 4, '&': 5,
 		'==': 6, '!=': 6, '===': 6, '!==': 6,
@@ -1036,7 +1037,8 @@ '<': 7, '>': 7, '<=': 7, '>=': 7,
 		'+': 9, '-': 9,
-		'*': 10, '/': 10, '%': 10
+		'*': 10, '/': 10, '%': 10,
+		'**': 11,
 	},
 
 	// sets specific binary_ops as right-associative
-	right_associative: new Set(),
+	right_associative: new Set(['**']),
 
@@ -1043,0 +1045,0 @@ // Additional valid identifier chars, apart from a-z, A-Z and 0-9 (except on the starting char)

dist/jsep.min.js

@@ -1,2 +0,2 @@
-class e{static get version(){return"1.3.9"}static toString(){return"JavaScript Expression Parser (JSEP) v"+e.version}static addUnaryOp(t){return e.max_unop_len=Math.max(t.length,e.max_unop_len),e.unary_ops[t]=1,e}static addBinaryOp(t,r,i){return e.max_binop_len=Math.max(t.length,e.max_binop_len),e.binary_ops[t]=r,i?e.right_associative.add(t):e.right_associative.delete(t),e}static addIdentifierChar(t){return e.additional_identifier_chars.add(t),e}static addLiteral(t,r){return e.literals[t]=r,e}static removeUnaryOp(t){return delete e.unary_ops[t],t.length===e.max_unop_len&&(e.max_unop_len=e.getMaxKeyLen(e.unary_ops)),e}static removeAllUnaryOps(){return e.unary_ops={},e.max_unop_len=0,e}static removeIdentifierChar(t){return e.additional_identifier_chars.delete(t),e}static removeBinaryOp(t){return delete e.binary_ops[t],t.length===e.max_binop_len&&(e.max_binop_len=e.getMaxKeyLen(e.binary_ops)),e.right_associative.delete(t),e}static removeAllBinaryOps(){return e.binary_ops={},e.max_binop_len=0,e}static removeLiteral(t){return delete e.literals[t],e}static removeAllLiterals(){return e.literals={},e}get char(){return this.expr.charAt(this.index)}get code(){return this.expr.charCodeAt(this.index)}constructor(e){this.expr=e,this.index=0}static parse(t){return new e(t).parse()}static getMaxKeyLen(e){return Math.max(0,...Object.keys(e).map((e=>e.length)))}static isDecimalDigit(e){return e>=48&&e<=57}static binaryPrecedence(t){return e.binary_ops[t]||0}static isIdentifierStart(t){return t>=65&&t<=90||t>=97&&t<=122||t>=128&&!e.binary_ops[String.fromCharCode(t)]||e.additional_identifier_chars.has(String.fromCharCode(t))}static isIdentifierPart(t){return e.isIdentifierStart(t)||e.isDecimalDigit(t)}throwError(e){const t=new Error(e+" at character "+this.index);throw t.index=this.index,t.description=e,t}runHook(t,r){if(e.hooks[t]){const i={context:this,node:r};return e.hooks.run(t,i),i.node}return r}searchHook(t){if(e.hooks[t]){const r={context:this};return e.hooks[t].find((function(e){return e.call(r.context,r),r.node})),r.node}}gobbleSpaces(){let t=this.code;for(;t===e.SPACE_CODE||t===e.TAB_CODE||t===e.LF_CODE||t===e.CR_CODE;)t=this.expr.charCodeAt(++this.index);this.runHook("gobble-spaces")}parse(){this.runHook("before-all");const t=this.gobbleExpressions(),r=1===t.length?t[0]:{type:e.COMPOUND,body:t};return this.runHook("after-all",r)}gobbleExpressions(t){let r,i,s=[];for(;this.index<this.expr.length;)if(r=this.code,r===e.SEMCOL_CODE||r===e.COMMA_CODE)this.index++;else if(i=this.gobbleExpression())s.push(i);else if(this.index<this.expr.length){if(r===t)break;this.throwError('Unexpected "'+this.char+'"')}return s}gobbleExpression(){const e=this.searchHook("gobble-expression")||this.gobbleBinaryExpression();return this.gobbleSpaces(),this.runHook("after-expression",e)}gobbleBinaryOp(){this.gobbleSpaces();let t=this.expr.substr(this.index,e.max_binop_len),r=t.length;for(;r>0;){if(e.binary_ops.hasOwnProperty(t)&&(!e.isIdentifierStart(this.code)||this.index+t.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+t.length))))return this.index+=r,t;t=t.substr(0,--r)}return!1}gobbleBinaryExpression(){let t,r,i,s,n,o,h,a,l;if(o=this.gobbleToken(),!o)return o;if(r=this.gobbleBinaryOp(),!r)return o;for(n={value:r,prec:e.binaryPrecedence(r),right_a:e.right_associative.has(r)},h=this.gobbleToken(),h||this.throwError("Expected expression after "+r),s=[o,n,h];r=this.gobbleBinaryOp();){if(i=e.binaryPrecedence(r),0===i){this.index-=r.length;break}n={value:r,prec:i,right_a:e.right_associative.has(r)},l=r;const a=e=>n.right_a&&e.right_a?i>e.prec:i<=e.prec;for(;s.length>2&&a(s[s.length-2]);)h=s.pop(),r=s.pop().value,o=s.pop(),t={type:e.BINARY_EXP,operator:r,left:o,right:h},s.push(t);t=this.gobbleToken(),t||this.throwError("Expected expression after "+l),s.push(n,t)}for(a=s.length-1,t=s[a];a>1;)t={type:e.BINARY_EXP,operator:s[a-1].value,left:s[a-2],right:t},a-=2;return t}gobbleToken(){let t,r,i,s;if(this.gobbleSpaces(),s=this.searchHook("gobble-token"),s)return this.runHook("after-token",s);if(t=this.code,e.isDecimalDigit(t)||t===e.PERIOD_CODE)return this.gobbleNumericLiteral();if(t===e.SQUOTE_CODE||t===e.DQUOTE_CODE)s=this.gobbleStringLiteral();else if(t===e.OBRACK_CODE)s=this.gobbleArray();else{for(r=this.expr.substr(this.index,e.max_unop_len),i=r.length;i>0;){if(e.unary_ops.hasOwnProperty(r)&&(!e.isIdentifierStart(this.code)||this.index+r.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+r.length)))){this.index+=i;const t=this.gobbleToken();return t||this.throwError("missing unaryOp argument"),this.runHook("after-token",{type:e.UNARY_EXP,operator:r,argument:t,prefix:!0})}r=r.substr(0,--i)}e.isIdentifierStart(t)?(s=this.gobbleIdentifier(),e.literals.hasOwnProperty(s.name)?s={type:e.LITERAL,value:e.literals[s.name],raw:s.name}:s.name===e.this_str&&(s={type:e.THIS_EXP})):t===e.OPAREN_CODE&&(s=this.gobbleGroup())}return s?(s=this.gobbleTokenProperty(s),this.runHook("after-token",s)):this.runHook("after-token",!1)}gobbleTokenProperty(t){this.gobbleSpaces();let r=this.code;for(;r===e.PERIOD_CODE||r===e.OBRACK_CODE||r===e.OPAREN_CODE||r===e.QUMARK_CODE;){let i;if(r===e.QUMARK_CODE){if(this.expr.charCodeAt(this.index+1)!==e.PERIOD_CODE)break;i=!0,this.index+=2,this.gobbleSpaces(),r=this.code}this.index++,r===e.OBRACK_CODE?((t={type:e.MEMBER_EXP,computed:!0,object:t,property:this.gobbleExpression()}).property||this.throwError('Unexpected "'+this.char+'"'),this.gobbleSpaces(),r=this.code,r!==e.CBRACK_CODE&&this.throwError("Unclosed ["),this.index++):r===e.OPAREN_CODE?t={type:e.CALL_EXP,arguments:this.gobbleArguments(e.CPAREN_CODE),callee:t}:(r===e.PERIOD_CODE||i)&&(i&&this.index--,this.gobbleSpaces(),t={type:e.MEMBER_EXP,computed:!1,object:t,property:this.gobbleIdentifier()}),i&&(t.optional=!0),this.gobbleSpaces(),r=this.code}return t}gobbleNumericLiteral(){let t,r,i="";for(;e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(this.code===e.PERIOD_CODE)for(i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(t=this.char,"e"===t||"E"===t){for(i+=this.expr.charAt(this.index++),t=this.char,"+"!==t&&"-"!==t||(i+=this.expr.charAt(this.index++));e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.expr.charCodeAt(this.index-1))||this.throwError("Expected exponent ("+i+this.char+")")}return r=this.code,e.isIdentifierStart(r)?this.throwError("Variable names cannot start with a number ("+i+this.char+")"):(r===e.PERIOD_CODE||1===i.length&&i.charCodeAt(0)===e.PERIOD_CODE)&&this.throwError("Unexpected period"),{type:e.LITERAL,value:parseFloat(i),raw:i}}gobbleStringLiteral(){let t="";const r=this.index,i=this.expr.charAt(this.index++);let s=!1;for(;this.index<this.expr.length;){let e=this.expr.charAt(this.index++);if(e===i){s=!0;break}if("\\"===e)switch(e=this.expr.charAt(this.index++),e){case"n":t+="\n";break;case"r":t+="\r";break;case"t":t+="\t";break;case"b":t+="\b";break;case"f":t+="\f";break;case"v":t+="\v";break;default:t+=e}else t+=e}return s||this.throwError('Unclosed quote after "'+t+'"'),{type:e.LITERAL,value:t,raw:this.expr.substring(r,this.index)}}gobbleIdentifier(){let t=this.code,r=this.index;for(e.isIdentifierStart(t)?this.index++:this.throwError("Unexpected "+this.char);this.index<this.expr.length&&(t=this.code,e.isIdentifierPart(t));)this.index++;return{type:e.IDENTIFIER,name:this.expr.slice(r,this.index)}}gobbleArguments(t){const r=[];let i=!1,s=0;for(;this.index<this.expr.length;){this.gobbleSpaces();let n=this.code;if(n===t){i=!0,this.index++,t===e.CPAREN_CODE&&s&&s>=r.length&&this.throwError("Unexpected token "+String.fromCharCode(t));break}if(n===e.COMMA_CODE){if(this.index++,s++,s!==r.length)if(t===e.CPAREN_CODE)this.throwError("Unexpected token ,");else if(t===e.CBRACK_CODE)for(let e=r.length;e<s;e++)r.push(null)}else if(r.length!==s&&0!==s)this.throwError("Expected comma");else{const t=this.gobbleExpression();t&&t.type!==e.COMPOUND||this.throwError("Expected comma"),r.push(t)}}return i||this.throwError("Expected "+String.fromCharCode(t)),r}gobbleGroup(){this.index++;let t=this.gobbleExpressions(e.CPAREN_CODE);if(this.code===e.CPAREN_CODE)return this.index++,1===t.length?t[0]:!!t.length&&{type:e.SEQUENCE_EXP,expressions:t};this.throwError("Unclosed (")}gobbleArray(){return this.index++,{type:e.ARRAY_EXP,elements:this.gobbleArguments(e.CBRACK_CODE)}}}const t=new class{add(e,t,r){if("string"!=typeof arguments[0])for(let e in arguments[0])this.add(e,arguments[0][e],arguments[1]);else(Array.isArray(e)?e:[e]).forEach((function(e){this[e]=this[e]||[],t&&this[e][r?"unshift":"push"](t)}),this)}run(e,t){this[e]=this[e]||[],this[e].forEach((function(e){e.call(t&&t.context?t.context:t,t)}))}};Object.assign(e,{hooks:t,plugins:new class{constructor(e){this.jsep=e,this.registered={}}register(...e){e.forEach((e=>{if("object"!=typeof e||!e.name||!e.init)throw new Error("Invalid JSEP plugin format");this.registered[e.name]||(e.init(this.jsep),this.registered[e.name]=e)}))}}(e),COMPOUND:"Compound",SEQUENCE_EXP:"SequenceExpression",IDENTIFIER:"Identifier",MEMBER_EXP:"MemberExpression",LITERAL:"Literal",THIS_EXP:"ThisExpression",CALL_EXP:"CallExpression",UNARY_EXP:"UnaryExpression",BINARY_EXP:"BinaryExpression",ARRAY_EXP:"ArrayExpression",TAB_CODE:9,LF_CODE:10,CR_CODE:13,SPACE_CODE:32,PERIOD_CODE:46,COMMA_CODE:44,SQUOTE_CODE:39,DQUOTE_CODE:34,OPAREN_CODE:40,CPAREN_CODE:41,OBRACK_CODE:91,CBRACK_CODE:93,QUMARK_CODE:63,SEMCOL_CODE:59,COLON_CODE:58,unary_ops:{"-":1,"!":1,"~":1,"+":1},binary_ops:{"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":10,"/":10,"%":10},right_associative:new Set,additional_identifier_chars:new Set(["$","_"]),literals:{true:!0,false:!1,null:null},this_str:"this"}),e.max_unop_len=e.getMaxKeyLen(e.unary_ops),e.max_binop_len=e.getMaxKeyLen(e.binary_ops);const r=t=>new e(t).parse(),i=Object.getOwnPropertyNames(class{});Object.getOwnPropertyNames(e).filter((e=>!i.includes(e)&&void 0===r[e])).forEach((t=>{r[t]=e[t]})),r.Jsep=e;var s={name:"ternary",init(e){e.hooks.add("after-expression",(function(t){if(t.node&&this.code===e.QUMARK_CODE){this.index++;const r=t.node,i=this.gobbleExpression();if(i||this.throwError("Expected expression"),this.gobbleSpaces(),this.code===e.COLON_CODE){this.index++;const s=this.gobbleExpression();if(s||this.throwError("Expected expression"),t.node={type:"ConditionalExpression",test:r,consequent:i,alternate:s},r.operator&&e.binary_ops[r.operator]<=.9){let i=r;for(;i.right.operator&&e.binary_ops[i.right.operator]<=.9;)i=i.right;t.node.test=i.right,i.right=t.node,t.node=r}}else this.throwError("Expected :")}}))}};r.plugins.register(s);export{e as Jsep,r as default};
+class e{static get version(){return"1.4.0"}static toString(){return"JavaScript Expression Parser (JSEP) v"+e.version}static addUnaryOp(t){return e.max_unop_len=Math.max(t.length,e.max_unop_len),e.unary_ops[t]=1,e}static addBinaryOp(t,r,i){return e.max_binop_len=Math.max(t.length,e.max_binop_len),e.binary_ops[t]=r,i?e.right_associative.add(t):e.right_associative.delete(t),e}static addIdentifierChar(t){return e.additional_identifier_chars.add(t),e}static addLiteral(t,r){return e.literals[t]=r,e}static removeUnaryOp(t){return delete e.unary_ops[t],t.length===e.max_unop_len&&(e.max_unop_len=e.getMaxKeyLen(e.unary_ops)),e}static removeAllUnaryOps(){return e.unary_ops={},e.max_unop_len=0,e}static removeIdentifierChar(t){return e.additional_identifier_chars.delete(t),e}static removeBinaryOp(t){return delete e.binary_ops[t],t.length===e.max_binop_len&&(e.max_binop_len=e.getMaxKeyLen(e.binary_ops)),e.right_associative.delete(t),e}static removeAllBinaryOps(){return e.binary_ops={},e.max_binop_len=0,e}static removeLiteral(t){return delete e.literals[t],e}static removeAllLiterals(){return e.literals={},e}get char(){return this.expr.charAt(this.index)}get code(){return this.expr.charCodeAt(this.index)}constructor(e){this.expr=e,this.index=0}static parse(t){return new e(t).parse()}static getMaxKeyLen(e){return Math.max(0,...Object.keys(e).map((e=>e.length)))}static isDecimalDigit(e){return e>=48&&e<=57}static binaryPrecedence(t){return e.binary_ops[t]||0}static isIdentifierStart(t){return t>=65&&t<=90||t>=97&&t<=122||t>=128&&!e.binary_ops[String.fromCharCode(t)]||e.additional_identifier_chars.has(String.fromCharCode(t))}static isIdentifierPart(t){return e.isIdentifierStart(t)||e.isDecimalDigit(t)}throwError(e){const t=new Error(e+" at character "+this.index);throw t.index=this.index,t.description=e,t}runHook(t,r){if(e.hooks[t]){const i={context:this,node:r};return e.hooks.run(t,i),i.node}return r}searchHook(t){if(e.hooks[t]){const r={context:this};return e.hooks[t].find((function(e){return e.call(r.context,r),r.node})),r.node}}gobbleSpaces(){let t=this.code;for(;t===e.SPACE_CODE||t===e.TAB_CODE||t===e.LF_CODE||t===e.CR_CODE;)t=this.expr.charCodeAt(++this.index);this.runHook("gobble-spaces")}parse(){this.runHook("before-all");const t=this.gobbleExpressions(),r=1===t.length?t[0]:{type:e.COMPOUND,body:t};return this.runHook("after-all",r)}gobbleExpressions(t){let r,i,s=[];for(;this.index<this.expr.length;)if(r=this.code,r===e.SEMCOL_CODE||r===e.COMMA_CODE)this.index++;else if(i=this.gobbleExpression())s.push(i);else if(this.index<this.expr.length){if(r===t)break;this.throwError('Unexpected "'+this.char+'"')}return s}gobbleExpression(){const e=this.searchHook("gobble-expression")||this.gobbleBinaryExpression();return this.gobbleSpaces(),this.runHook("after-expression",e)}gobbleBinaryOp(){this.gobbleSpaces();let t=this.expr.substr(this.index,e.max_binop_len),r=t.length;for(;r>0;){if(e.binary_ops.hasOwnProperty(t)&&(!e.isIdentifierStart(this.code)||this.index+t.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+t.length))))return this.index+=r,t;t=t.substr(0,--r)}return!1}gobbleBinaryExpression(){let t,r,i,s,n,o,h,a,l;if(o=this.gobbleToken(),!o)return o;if(r=this.gobbleBinaryOp(),!r)return o;for(n={value:r,prec:e.binaryPrecedence(r),right_a:e.right_associative.has(r)},h=this.gobbleToken(),h||this.throwError("Expected expression after "+r),s=[o,n,h];r=this.gobbleBinaryOp();){if(i=e.binaryPrecedence(r),0===i){this.index-=r.length;break}n={value:r,prec:i,right_a:e.right_associative.has(r)},l=r;const a=e=>n.right_a&&e.right_a?i>e.prec:i<=e.prec;for(;s.length>2&&a(s[s.length-2]);)h=s.pop(),r=s.pop().value,o=s.pop(),t={type:e.BINARY_EXP,operator:r,left:o,right:h},s.push(t);t=this.gobbleToken(),t||this.throwError("Expected expression after "+l),s.push(n,t)}for(a=s.length-1,t=s[a];a>1;)t={type:e.BINARY_EXP,operator:s[a-1].value,left:s[a-2],right:t},a-=2;return t}gobbleToken(){let t,r,i,s;if(this.gobbleSpaces(),s=this.searchHook("gobble-token"),s)return this.runHook("after-token",s);if(t=this.code,e.isDecimalDigit(t)||t===e.PERIOD_CODE)return this.gobbleNumericLiteral();if(t===e.SQUOTE_CODE||t===e.DQUOTE_CODE)s=this.gobbleStringLiteral();else if(t===e.OBRACK_CODE)s=this.gobbleArray();else{for(r=this.expr.substr(this.index,e.max_unop_len),i=r.length;i>0;){if(e.unary_ops.hasOwnProperty(r)&&(!e.isIdentifierStart(this.code)||this.index+r.length<this.expr.length&&!e.isIdentifierPart(this.expr.charCodeAt(this.index+r.length)))){this.index+=i;const t=this.gobbleToken();return t||this.throwError("missing unaryOp argument"),this.runHook("after-token",{type:e.UNARY_EXP,operator:r,argument:t,prefix:!0})}r=r.substr(0,--i)}e.isIdentifierStart(t)?(s=this.gobbleIdentifier(),e.literals.hasOwnProperty(s.name)?s={type:e.LITERAL,value:e.literals[s.name],raw:s.name}:s.name===e.this_str&&(s={type:e.THIS_EXP})):t===e.OPAREN_CODE&&(s=this.gobbleGroup())}return s?(s=this.gobbleTokenProperty(s),this.runHook("after-token",s)):this.runHook("after-token",!1)}gobbleTokenProperty(t){this.gobbleSpaces();let r=this.code;for(;r===e.PERIOD_CODE||r===e.OBRACK_CODE||r===e.OPAREN_CODE||r===e.QUMARK_CODE;){let i;if(r===e.QUMARK_CODE){if(this.expr.charCodeAt(this.index+1)!==e.PERIOD_CODE)break;i=!0,this.index+=2,this.gobbleSpaces(),r=this.code}this.index++,r===e.OBRACK_CODE?((t={type:e.MEMBER_EXP,computed:!0,object:t,property:this.gobbleExpression()}).property||this.throwError('Unexpected "'+this.char+'"'),this.gobbleSpaces(),r=this.code,r!==e.CBRACK_CODE&&this.throwError("Unclosed ["),this.index++):r===e.OPAREN_CODE?t={type:e.CALL_EXP,arguments:this.gobbleArguments(e.CPAREN_CODE),callee:t}:(r===e.PERIOD_CODE||i)&&(i&&this.index--,this.gobbleSpaces(),t={type:e.MEMBER_EXP,computed:!1,object:t,property:this.gobbleIdentifier()}),i&&(t.optional=!0),this.gobbleSpaces(),r=this.code}return t}gobbleNumericLiteral(){let t,r,i="";for(;e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(this.code===e.PERIOD_CODE)for(i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);if(t=this.char,"e"===t||"E"===t){for(i+=this.expr.charAt(this.index++),t=this.char,"+"!==t&&"-"!==t||(i+=this.expr.charAt(this.index++));e.isDecimalDigit(this.code);)i+=this.expr.charAt(this.index++);e.isDecimalDigit(this.expr.charCodeAt(this.index-1))||this.throwError("Expected exponent ("+i+this.char+")")}return r=this.code,e.isIdentifierStart(r)?this.throwError("Variable names cannot start with a number ("+i+this.char+")"):(r===e.PERIOD_CODE||1===i.length&&i.charCodeAt(0)===e.PERIOD_CODE)&&this.throwError("Unexpected period"),{type:e.LITERAL,value:parseFloat(i),raw:i}}gobbleStringLiteral(){let t="";const r=this.index,i=this.expr.charAt(this.index++);let s=!1;for(;this.index<this.expr.length;){let e=this.expr.charAt(this.index++);if(e===i){s=!0;break}if("\\"===e)switch(e=this.expr.charAt(this.index++),e){case"n":t+="\n";break;case"r":t+="\r";break;case"t":t+="\t";break;case"b":t+="\b";break;case"f":t+="\f";break;case"v":t+="\v";break;default:t+=e}else t+=e}return s||this.throwError('Unclosed quote after "'+t+'"'),{type:e.LITERAL,value:t,raw:this.expr.substring(r,this.index)}}gobbleIdentifier(){let t=this.code,r=this.index;for(e.isIdentifierStart(t)?this.index++:this.throwError("Unexpected "+this.char);this.index<this.expr.length&&(t=this.code,e.isIdentifierPart(t));)this.index++;return{type:e.IDENTIFIER,name:this.expr.slice(r,this.index)}}gobbleArguments(t){const r=[];let i=!1,s=0;for(;this.index<this.expr.length;){this.gobbleSpaces();let n=this.code;if(n===t){i=!0,this.index++,t===e.CPAREN_CODE&&s&&s>=r.length&&this.throwError("Unexpected token "+String.fromCharCode(t));break}if(n===e.COMMA_CODE){if(this.index++,s++,s!==r.length)if(t===e.CPAREN_CODE)this.throwError("Unexpected token ,");else if(t===e.CBRACK_CODE)for(let e=r.length;e<s;e++)r.push(null)}else if(r.length!==s&&0!==s)this.throwError("Expected comma");else{const t=this.gobbleExpression();t&&t.type!==e.COMPOUND||this.throwError("Expected comma"),r.push(t)}}return i||this.throwError("Expected "+String.fromCharCode(t)),r}gobbleGroup(){this.index++;let t=this.gobbleExpressions(e.CPAREN_CODE);if(this.code===e.CPAREN_CODE)return this.index++,1===t.length?t[0]:!!t.length&&{type:e.SEQUENCE_EXP,expressions:t};this.throwError("Unclosed (")}gobbleArray(){return this.index++,{type:e.ARRAY_EXP,elements:this.gobbleArguments(e.CBRACK_CODE)}}}const t=new class{add(e,t,r){if("string"!=typeof arguments[0])for(let e in arguments[0])this.add(e,arguments[0][e],arguments[1]);else(Array.isArray(e)?e:[e]).forEach((function(e){this[e]=this[e]||[],t&&this[e][r?"unshift":"push"](t)}),this)}run(e,t){this[e]=this[e]||[],this[e].forEach((function(e){e.call(t&&t.context?t.context:t,t)}))}};Object.assign(e,{hooks:t,plugins:new class{constructor(e){this.jsep=e,this.registered={}}register(...e){e.forEach((e=>{if("object"!=typeof e||!e.name||!e.init)throw new Error("Invalid JSEP plugin format");this.registered[e.name]||(e.init(this.jsep),this.registered[e.name]=e)}))}}(e),COMPOUND:"Compound",SEQUENCE_EXP:"SequenceExpression",IDENTIFIER:"Identifier",MEMBER_EXP:"MemberExpression",LITERAL:"Literal",THIS_EXP:"ThisExpression",CALL_EXP:"CallExpression",UNARY_EXP:"UnaryExpression",BINARY_EXP:"BinaryExpression",ARRAY_EXP:"ArrayExpression",TAB_CODE:9,LF_CODE:10,CR_CODE:13,SPACE_CODE:32,PERIOD_CODE:46,COMMA_CODE:44,SQUOTE_CODE:39,DQUOTE_CODE:34,OPAREN_CODE:40,CPAREN_CODE:41,OBRACK_CODE:91,CBRACK_CODE:93,QUMARK_CODE:63,SEMCOL_CODE:59,COLON_CODE:58,unary_ops:{"-":1,"!":1,"~":1,"+":1},binary_ops:{"||":1,"??":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":10,"/":10,"%":10,"**":11},right_associative:new Set(["**"]),additional_identifier_chars:new Set(["$","_"]),literals:{true:!0,false:!1,null:null},this_str:"this"}),e.max_unop_len=e.getMaxKeyLen(e.unary_ops),e.max_binop_len=e.getMaxKeyLen(e.binary_ops);const r=t=>new e(t).parse(),i=Object.getOwnPropertyNames(class{});Object.getOwnPropertyNames(e).filter((e=>!i.includes(e)&&void 0===r[e])).forEach((t=>{r[t]=e[t]})),r.Jsep=e;var s={name:"ternary",init(e){e.hooks.add("after-expression",(function(t){if(t.node&&this.code===e.QUMARK_CODE){this.index++;const r=t.node,i=this.gobbleExpression();if(i||this.throwError("Expected expression"),this.gobbleSpaces(),this.code===e.COLON_CODE){this.index++;const s=this.gobbleExpression();if(s||this.throwError("Expected expression"),t.node={type:"ConditionalExpression",test:r,consequent:i,alternate:s},r.operator&&e.binary_ops[r.operator]<=.9){let i=r;for(;i.right.operator&&e.binary_ops[i.right.operator]<=.9;)i=i.right;t.node.test=i.right,i.right=t.node,t.node=r}}else this.throwError("Expected :")}}))}};r.plugins.register(s);export{e as Jsep,r as default};
 //# sourceMappingURL=jsep.min.js.map

package.json

 {
 	"name": "jsep",
-	"version": "1.3.9",
+	"version": "1.4.0",
 	"description": "a tiny JavaScript expression parser",
@@ -36,3 +36,3 @@ "author": "Stephen Oney <[e-mail]> (http://from.so/)",
 		"benchmark": "^2.1.4",
-		"docco": "^0.8.1",
+		"docco": "^0.9.1",
 		"eslint": "^7.23.0",
@@ -39,0 +39,0 @@ "http-server": "^14.1.1",

README.md

@@ -68,3 +68,3 @@ ## jsep: A Tiny JavaScript Expression Parser
 // Add exponentiation operator (right-to-left)
-jsep.addBinaryOp('**', 11, true);
+jsep.addBinaryOp('**', 11, true); // now included by default
 
@@ -93,2 +93,15 @@ // Add a custom @ unary operator
 
+#### Custom Literals
+
+You can add or remove additional valid literals. By default, only `true`, `false`, and `null` are defined
+```javascript
+// Add standard JS literals:
+jsep.addLiteral('undefined', undefined);
+jsep.addLiteral('Infinity', Infinity);
+jsep.addLiteral('NaN', NaN);
+
+// Remove "null" literal from default definition
+jsep.removeLiteral('null');
+```
+
 ### Plugins
@@ -95,0 +108,0 @@ JSEP supports defining custom hooks for extending or modifying the expression parsing.

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Found 1 instance in 1 package

Fixed alerts

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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

392174

increased by0.25%

Lines of code

3243

increased by0.19%

Number of lines in readme file

209

increased by6.63%

No dependency changes