bloom-layout
Version:
layout components used in bloom packages
2 lines • 228 kB
JavaScript
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this.next(),this.type===L.string?(e.specifiers=J,e.source=this.parseExprAtom()):(e.specifiers=this.parseImportSpecifiers(),this.expectContextual("from"),e.source=this.type===L.string?this.parseExprAtom():this.unexpected()),this.semicolon(),this.finishNode(e,"ImportDeclaration")},z.parseImportSpecifiers=function(){var e=[],t=!0;if(this.type===L.name){var n=this.startNode();if(n.local=this.parseIdent(),this.checkLVal(n.local,"let"),e.push(this.finishNode(n,"ImportDefaultSpecifier")),!this.eat(L.comma))return e}if(this.type===L.star){var r=this.startNode();return this.next(),this.expectContextual("as"),r.local=this.parseIdent(),this.checkLVal(r.local,"let"),e.push(this.finishNode(r,"ImportNamespaceSpecifier")),e}for(this.expect(L.braceL);!this.eat(L.braceR);){if(t)t=!1;else if(this.expect(L.comma),this.afterTrailingComma(L.braceR))break;var i=this.startNode();i.imported=this.parseIdent(!0),this.eatContextual("as")?i.local=this.parseIdent():(this.checkUnreserved(i.imported),i.local=i.imported),this.checkLVal(i.local,"let"),e.push(this.finishNode(i,"ImportSpecifier"))}return e},z.adaptDirectivePrologue=function(e){for(var t=0;t<e.length&&this.isDirectiveCandidate(e[t]);++t)e[t].directive=e[t].expression.raw.slice(1,-1)},z.isDirectiveCandidate=function(e){return"ExpressionStatement"===e.type&&"Literal"===e.expression.type&&"string"==typeof e.expression.value&&('"'===this.input[e.start]||"'"===this.input[e.start])};var H=V.prototype;H.toAssignable=function(e,t){if(this.options.ecmaVersion>=6&&e)switch(e.type){case"Identifier":this.inAsync&&"await"===e.name&&this.raise(e.start,"Can not use 'await' as identifier inside an async function");break;case"ObjectPattern":case"ArrayPattern":break;case"ObjectExpression":e.type="ObjectPattern";for(var n=0,r=e.properties;n<r.length;n+=1){var i=r[n];"init"!==i.kind&&this.raise(i.key.start,"Object pattern can't contain getter or setter"),this.toAssignable(i.value,t)}break;case"ArrayExpression":e.type="ArrayPattern",this.toAssignableList(e.elements,t);break;case"AssignmentExpression":if("="!==e.operator){this.raise(e.left.end,"Only '=' operator can be used for specifying default value.");break}e.type="AssignmentPattern",delete e.operator,this.toAssignable(e.left,t);case"AssignmentPattern":break;case"ParenthesizedExpression":this.toAssignable(e.expression,t);break;case"MemberExpression":if(!t)break;default:this.raise(e.start,"Assigning to rvalue")}return e},H.toAssignableList=function(e,t){var n=e.length;if(n){var r=e[n-1];if(r&&"RestElement"==r.type)--n;else if(r&&"SpreadElement"==r.type){r.type="RestElement";var i=r.argument;this.toAssignable(i,t),--n}6===this.options.ecmaVersion&&t&&r&&"RestElement"===r.type&&"Identifier"!==r.argument.type&&this.unexpected(r.argument.start)}for(var s=0;s<n;s++){var 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clash"),n[e.name]=!0),t&&"none"!==t&&(("var"===t&&!this.canDeclareVarName(e.name)||"var"!==t&&!this.canDeclareLexicalName(e.name))&&this.raiseRecoverable(e.start,"Identifier '"+e.name+"' has already been declared"),"var"===t?this.declareVarName(e.name):this.declareLexicalName(e.name));break;case"MemberExpression":t&&this.raiseRecoverable(e.start,(t?"Binding":"Assigning to")+" member expression");break;case"ObjectPattern":for(var r=0,i=e.properties;r<i.length;r+=1){var s=i[r];this.checkLVal(s.value,t,n)}break;case"ArrayPattern":for(var o=0,u=e.elements;o<u.length;o+=1){var c=u[o];c&&this.checkLVal(c,t,n)}break;case"AssignmentPattern":this.checkLVal(e.left,t,n);break;case"RestElement":this.checkLVal(e.argument,t,n);break;case"ParenthesizedExpression":this.checkLVal(e.expression,t,n);break;default:this.raise(e.start,(t?"Binding":"Assigning to")+" rvalue")}};var Y=V.prototype;Y.checkPropClash=function(e,t){if(!(this.options.ecmaVersion>=6&&(e.computed||e.method||e.shorthand))){var n,r=e.key;switch(r.type){case"Identifier":n=r.name;break;case"Literal":n=String(r.value);break;default:return}var i=e.kind;if(this.options.ecmaVersion>=6)"__proto__"===n&&"init"===i&&(t.proto&&this.raiseRecoverable(r.start,"Redefinition of __proto__ property"),t.proto=!0);else{var s=t[n="$"+n];if(s){("init"===i?this.strict&&s.init||s.get||s.set:s.init||s[i])&&this.raiseRecoverable(r.start,"Redefinition of property")}else s=t[n]={init:!1,get:!1,set:!1};s[i]=!0}}},Y.parseExpression=function(e,t){var n=this.start,r=this.startLoc,i=this.parseMaybeAssign(e,t);if(this.type===L.comma){var s=this.startNodeAt(n,r);for(s.expressions=[i];this.eat(L.comma);)s.expressions.push(this.parseMaybeAssign(e,t));return this.finishNode(s,"SequenceExpression")}return i},Y.parseMaybeAssign=function(e,t,n){if(this.inGenerator&&this.isContextual("yield"))return this.parseYield();var r=!1,i=-1,s=-1;t?(i=t.parenthesizedAssign,s=t.trailingComma,t.parenthesizedAssign=t.trailingComma=-1):(t=new p,r=!0);var o=this.start,a=this.startLoc;this.type!=L.parenL&&this.type!=L.name||(this.potentialArrowAt=this.start);var u=this.parseMaybeConditional(e,t);if(n&&(u=n.call(this,u,o,a)),this.type.isAssign){this.checkPatternErrors(t,!0),r||p.call(t);var c=this.startNodeAt(o,a);return c.operator=this.value,c.left=this.type===L.eq?this.toAssignable(u):u,t.shorthandAssign=-1,this.checkLVal(u),this.next(),c.right=this.parseMaybeAssign(e),this.finishNode(c,"AssignmentExpression")}return r&&this.checkExpressionErrors(t,!0),i>-1&&(t.parenthesizedAssign=i),s>-1&&(t.trailingComma=s),u},Y.parseMaybeConditional=function(e,t){var n=this.start,r=this.startLoc,i=this.parseExprOps(e,t);if(this.checkExpressionErrors(t))return i;if(this.eat(L.question)){var s=this.startNodeAt(n,r);return s.test=i,s.consequent=this.parseMaybeAssign(),this.expect(L.colon),s.alternate=this.parseMaybeAssign(e),this.finishNode(s,"ConditionalExpression")}return i},Y.parseExprOps=function(e,t){var n=this.start,r=this.startLoc,i=this.parseMaybeUnary(t,!1);return this.checkExpressionErrors(t)?i:i.start==n&&"ArrowFunctionExpression"===i.type?i:this.parseExprOp(i,n,r,-1,e)},Y.parseExprOp=function(e,t,n,r,i){var s=this.type.binop;if(null!=s&&(!i||this.type!==L._in)&&s>r){var o=this.type===L.logicalOR||this.type===L.logicalAND,a=this.value;this.next();var u=this.start,c=this.startLoc,l=this.parseExprOp(this.parseMaybeUnary(null,!1),u,c,s,i),p=this.buildBinary(t,n,e,l,a,o);return this.parseExprOp(p,t,n,r,i)}return e},Y.buildBinary=function(e,t,n,r,i,s){var o=this.startNodeAt(e,t);return o.left=n,o.operator=i,o.right=r,this.finishNode(o,s?"LogicalExpression":"BinaryExpression")},Y.parseMaybeUnary=function(e,t){var n,r=this.start,i=this.startLoc;if(this.inAsync&&this.isContextual("await"))n=this.parseAwait(),t=!0;else if(this.type.prefix){var s=this.startNode(),o=this.type===L.incDec;s.operator=this.value,s.prefix=!0,this.next(),s.argument=this.parseMaybeUnary(null,!0),this.checkExpressionErrors(e,!0),o?this.checkLVal(s.argument):this.strict&&"delete"===s.operator&&"Identifier"===s.argument.type?this.raiseRecoverable(s.start,"Deleting local variable in strict mode"):t=!0,n=this.finishNode(s,o?"UpdateExpression":"UnaryExpression")}else{if(n=this.parseExprSubscripts(e),this.checkExpressionErrors(e))return n;for(;this.type.postfix&&!this.canInsertSemicolon();){var a=this.startNodeAt(r,i);a.operator=this.value,a.prefix=!1,a.argument=n,this.checkLVal(n),this.next(),n=this.finishNode(a,"UpdateExpression")}}return!t&&this.eat(L.starstar)?this.buildBinary(r,i,n,this.parseMaybeUnary(null,!1),"**",!1):n},Y.parseExprSubscripts=function(e){var t=this.start,n=this.startLoc,r=this.parseExprAtom(e),i="ArrowFunctionExpression"===r.type&&")"!==this.input.slice(this.lastTokStart,this.lastTokEnd);if(this.checkExpressionErrors(e)||i)return r;var s=this.parseSubscripts(r,t,n);return e&&"MemberExpression"===s.type&&(e.parenthesizedAssign>=s.start&&(e.parenthesizedAssign=-1),e.parenthesizedBind>=s.start&&(e.parenthesizedBind=-1)),s},Y.parseSubscripts=function(e,t,n,r){for(var i=this.options.ecmaVersion>=8&&"Identifier"===e.type&&"async"===e.name&&this.lastTokEnd==e.end&&!this.canInsertSemicolon(),s=void 0;;)if((s=this.eat(L.bracketL))||this.eat(L.dot)){var o=this.startNodeAt(t,n);o.object=e,o.property=s?this.parseExpression():this.parseIdent(!0),o.computed=!!s,s&&this.expect(L.bracketR),e=this.finishNode(o,"MemberExpression")}else if(!r&&this.eat(L.parenL)){var a=new p,u=this.yieldPos,c=this.awaitPos;this.yieldPos=0,this.awaitPos=0;var l=this.parseExprList(L.parenR,this.options.ecmaVersion>=8,!1,a);if(i&&!this.canInsertSemicolon()&&this.eat(L.arrow))return this.checkPatternErrors(a,!1),this.checkYieldAwaitInDefaultParams(),this.yieldPos=u,this.awaitPos=c,this.parseArrowExpression(this.startNodeAt(t,n),l,!0);this.checkExpressionErrors(a,!0),this.yieldPos=u||this.yieldPos,this.awaitPos=c||this.awaitPos;var h=this.startNodeAt(t,n);h.callee=e,h.arguments=l,e=this.finishNode(h,"CallExpression")}else{if(this.type!==L.backQuote)return e;var f=this.startNodeAt(t,n);f.tag=e,f.quasi=this.parseTemplate({isTagged:!0}),e=this.finishNode(f,"TaggedTemplateExpression")}},Y.parseExprAtom=function(e){var t,n=this.potentialArrowAt==this.start;switch(this.type){case L._super:return this.inFunction||this.raise(this.start,"'super' outside of function or class"),t=this.startNode(),this.next(),this.type!==L.dot&&this.type!==L.bracketL&&this.type!==L.parenL&&this.unexpected(),this.finishNode(t,"Super");case L._this:return t=this.startNode(),this.next(),this.finishNode(t,"ThisExpression");case L.name:var r=this.start,i=this.startLoc,s=this.parseIdent(this.type!==L.name);if(this.options.ecmaVersion>=8&&"async"===s.name&&!this.canInsertSemicolon()&&this.eat(L._function))return this.parseFunction(this.startNodeAt(r,i),!1,!1,!0);if(n&&!this.canInsertSemicolon()){if(this.eat(L.arrow))return this.parseArrowExpression(this.startNodeAt(r,i),[s],!1);if(this.options.ecmaVersion>=8&&"async"===s.name&&this.type===L.name)return s=this.parseIdent(),!this.canInsertSemicolon()&&this.eat(L.arrow)||this.unexpected(),this.parseArrowExpression(this.startNodeAt(r,i),[s],!0)}return s;case L.regexp:var o=this.value;return t=this.parseLiteral(o.value),t.regex={pattern:o.pattern,flags:o.flags},t;case L.num:case L.string:return this.parseLiteral(this.value);case L._null:case L._true:case L._false:return t=this.startNode(),t.value=this.type===L._null?null:this.type===L._true,t.raw=this.type.keyword,this.next(),this.finishNode(t,"Literal");case L.parenL:var a=this.start,u=this.parseParenAndDistinguishExpression(n);return e&&(e.parenthesizedAssign<0&&!this.isSimpleAssignTarget(u)&&(e.parenthesizedAssign=a),e.parenthesizedBind<0&&(e.parenthesizedBind=a)),u;case L.bracketL:return t=this.startNode(),this.next(),t.elements=this.parseExprList(L.bracketR,!0,!0,e),this.finishNode(t,"ArrayExpression");case L.braceL:return this.parseObj(!1,e);case L._function:return t=this.startNode(),this.next(),this.parseFunction(t,!1);case L._class:return this.parseClass(this.startNode(),!1);case L._new:return this.parseNew();case L.backQuote:return this.parseTemplate();default:this.unexpected()}},Y.parseLiteral=function(e){var t=this.startNode();return t.value=e,t.raw=this.input.slice(this.start,this.end),this.next(),this.finishNode(t,"Literal")},Y.parseParenExpression=function(){this.expect(L.parenL);var e=this.parseExpre