| 1 | {"version":3,"file":"index.min.js","sources":["../src/index.js"],"sourcesContent":["const PLUS_CODE = 43; // +\nconst MINUS_CODE = 45; // -\n\nconst plugin = {\n\tname: 'assignment',\n\n\tassignmentOperators: new Set([\n\t\t'=',\n\t\t'*=',\n\t\t'**=',\n\t\t'/=',\n\t\t'%=',\n\t\t'+=',\n\t\t'-=',\n\t\t'<<=',\n\t\t'>>=',\n\t\t'>>>=',\n\t\t'&=',\n\t\t'^=',\n\t\t'|=',\n\t]),\n\tupdateOperators: [PLUS_CODE, MINUS_CODE],\n\tassignmentPrecedence: 0.9,\n\n\tinit(jsep) {\n\t\tconst updateNodeTypes = [jsep.IDENTIFIER, jsep.MEMBER_EXP];\n\t\tplugin.assignmentOperators.forEach(op => jsep.addBinaryOp(op, plugin.assignmentPrecedence, true));\n\n\t\tjsep.hooks.add('gobble-token', function gobbleUpdatePrefix(env) {\n\t\t\tconst code = this.code;\n\t\t\tif (plugin.updateOperators.some(c => c === code && c === this.expr.charCodeAt(this.index + 1))) {\n\t\t\t\tthis.index += 2;\n\t\t\t\tenv.node = {\n\t\t\t\t\ttype: 'UpdateExpression',\n\t\t\t\t\toperator: code === PLUS_CODE ? '++' : '--',\n\t\t\t\t\targument: this.gobbleTokenProperty(this.gobbleIdentifier()),\n\t\t\t\t\tprefix: true,\n\t\t\t\t};\n\t\t\t\tif (!env.node.argument || !updateNodeTypes.includes(env.node.argument.type)) {\n\t\t\t\t\tthis.throwError(`Unexpected ${env.node.operator}`);\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\n\t\tjsep.hooks.add('after-token', function gobbleUpdatePostfix(env) {\n\t\t\tif (env.node) {\n\t\t\t\tconst code = this.code;\n\t\t\t\tif (plugin.updateOperators.some(c => c === code && c === this.expr.charCodeAt(this.index + 1))) {\n\t\t\t\t\tif (!updateNodeTypes.includes(env.node.type)) {\n\t\t\t\t\t\tthis.throwError(`Unexpected ${env.node.operator}`);\n\t\t\t\t\t}\n\t\t\t\t\tthis.index += 2;\n\t\t\t\t\tenv.node = {\n\t\t\t\t\t\ttype: 'UpdateExpression',\n\t\t\t\t\t\toperator: code === PLUS_CODE ? '++' : '--',\n\t\t\t\t\t\targument: env.node,\n\t\t\t\t\t\tprefix: false,\n\t\t\t\t\t};\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\n\t\tjsep.hooks.add('after-expression', function gobbleAssignment(env) {\n\t\t\tif (env.node) {\n\t\t\t\t// Note: Binaries can be chained in a single expression to respect\n\t\t\t\t// operator precedence (i.e. a = b = 1 + 2 + 3)\n\t\t\t\t// Update all binary assignment nodes in the tree\n\t\t\t\tupdateBinariesToAssignments(env.node);\n\t\t\t}\n\t\t});\n\n\t\tfunction updateBinariesToAssignments(node) {\n\t\t\tif (plugin.assignmentOperators.has(node.operator)) {\n\t\t\t\tnode.type = 'AssignmentExpression';\n\t\t\t\tupdateBinariesToAssignments(node.left);\n\t\t\t\tupdateBinariesToAssignments(node.right);\n\t\t\t}\n\t\t\telse if (!node.operator) {\n\t\t\t\tObject.values(node).forEach((val) => {\n\t\t\t\t\tif (val && typeof val === 'object') {\n\t\t\t\t\t\tupdateBinariesToAssignments(val);\n\t\t\t\t\t}\n\t\t\t\t});\n\t\t\t}\n\t\t}\n\t},\n};\nexport default plugin;\n"],"names":["plugin","name","assignmentOperators","Set","updateOperators","assignmentPrecedence","init","jsep","updateNodeTypes","IDENTIFIER","MEMBER_EXP","updateBinariesToAssignments","node","has","operator","type","left","right","Object","values","forEach","val","op","addBinaryOp","hooks","add","env","code","this","some","c","expr","charCodeAt","index","argument","gobbleTokenProperty","gobbleIdentifier","prefix","includes","throwError"],"mappings":"AAAA,MAGMA,EAAS,CACdC,KAAM,aAENC,oBAAqB,IAAIC,IAAI,CAC5B,IACA,KACA,MACA,KACA,KACA,KACA,KACA,MACA,MACA,OACA,KACA,KACA,OAEDC,gBAAiB,CArBA,GACC,IAqBlBC,qBAAsB,GAEtBC,KAAKC,GACJ,MAAMC,EAAkB,CAACD,EAAKE,WAAYF,EAAKG,YA8C/C,SAASC,EAA4BC,GAChCZ,EAAOE,oBAAoBW,IAAID,EAAKE,WACvCF,EAAKG,KAAO,uBACZJ,EAA4BC,EAAKI,MACjCL,EAA4BC,EAAKK,QAExBL,EAAKE,UACdI,OAAOC,OAAOP,GAAMQ,SAASC,IACxBA,GAAsB,iBAARA,GACjBV,EAA4BU,MAtDhCrB,EAAOE,oBAAoBkB,SAAQE,GAAMf,EAAKgB,YAAYD,EAAItB,EAAOK,sBAAsB,KAE3FE,EAAKiB,MAAMC,IAAI,gBAAgB,SAA4BC,GAC1D,MAAMC,EAAOC,KAAKD,KACd3B,EAAOI,gBAAgByB,MAAKC,GAAKA,IAAMH,GAAQG,IAAMF,KAAKG,KAAKC,WAAWJ,KAAKK,MAAQ,OAC1FL,KAAKK,OAAS,EACdP,EAAId,KAAO,CACVG,KAAM,mBACND,SAlCa,KAkCHa,EAAqB,KAAO,KACtCO,SAAUN,KAAKO,oBAAoBP,KAAKQ,oBACxCC,QAAQ,GAEJX,EAAId,KAAKsB,UAAa1B,EAAgB8B,SAASZ,EAAId,KAAKsB,SAASnB,OACrEa,KAAKW,WAAW,cAAcb,EAAId,KAAKE,gBAK1CP,EAAKiB,MAAMC,IAAI,eAAe,SAA6BC,GAC1D,GAAIA,EAAId,KAAM,CACb,MAAMe,EAAOC,KAAKD,KACd3B,EAAOI,gBAAgByB,MAAKC,GAAKA,IAAMH,GAAQG,IAAMF,KAAKG,KAAKC,WAAWJ,KAAKK,MAAQ,OACrFzB,EAAgB8B,SAASZ,EAAId,KAAKG,OACtCa,KAAKW,WAAW,cAAcb,EAAId,KAAKE,YAExCc,KAAKK,OAAS,EACdP,EAAId,KAAO,CACVG,KAAM,mBACND,SAtDY,KAsDFa,EAAqB,KAAO,KACtCO,SAAUR,EAAId,KACdyB,QAAQ,QAMZ9B,EAAKiB,MAAMC,IAAI,oBAAoB,SAA0BC,GACxDA,EAAId,MAIPD,EAA4Be,EAAId"} |