Spaces:
Running
Running
CRISPRTool
/
igv_component
/node_modules
/@babel
/helper-create-class-features-plugin
/lib
/fields.js.map
| {"version":3,"names":["_core","require","_helperReplaceSupers","_helperEnvironmentVisitor","_helperMemberExpressionToFunctions","_helperOptimiseCallExpression","_helperAnnotateAsPure","_helperSkipTransparentExpressionWrappers","ts","buildPrivateNamesMap","props","privateNamesMap","Map","prop","isPrivate","name","node","key","id","update","has","get","scope","generateUidIdentifier","static","method","isProperty","isClassPrivateMethod","kind","getId","setId","methodId","set","buildPrivateNamesNodes","privateFieldsAsProperties","privateFieldsAsSymbols","state","initNodes","value","isStatic","isMethod","isAccessor","t","cloneNode","init","callExpression","addHelper","stringLiteral","identifier","newExpression","annotateAsPure","push","template","statement","ast","privateNameVisitorFactory","visitor","nestedVisitor","traverse","visitors","merge","Object","assign","environmentVisitor","privateNameVisitor","Class","path","body","visiblePrivateNames","redeclared","delete","length","skipKey","PrivateName","noDocumentAll","parentPath","isMemberExpression","property","isOptionalMemberExpression","includes","handle","unshadow","innerBinding","_scope","hasBinding","bindingIdentifierEquals","rename","parent","buildCheckInRHS","rhs","file","inRHSIsObject","availableHelper","privateInVisitor","BinaryExpression","operator","left","right","isPrivateName","classRef","replaceWith","expression","privateNameHandlerSpec","memoise","member","count","object","memo","maybeGenerateMemoised","memoiser","receiver","helperName","sequenceExpression","console","warn","boundGet","memberExpression","destructureSet","helper","_unused","Error","call","args","optimiseCall","optionalCall","privateNameHandlerLoose","BASE","REF","PROP","simpleSet","optionalCallExpression","transformPrivateNamesUsage","ref","size","handler","memberExpressionToFunctions","buildPrivateFieldInitLoose","buildUndefinedNode","inheritPropComments","buildPrivateInstanceFieldInitSpec","thisExpression","buildPrivateStaticFieldInitSpec","privateName","initAdded","buildPrivateMethodInitLoose","buildPrivateInstanceMethodInitSpec","buildPrivateAccessorInitialization","buildPrivateInstanceMethodInitialization","buildPublicFieldInitLoose","computed","expressionStatement","assignmentExpression","isLiteral","buildPublicFieldInitSpec","buildPrivateStaticMethodInitLoose","buildPrivateMethodDeclaration","getterDeclared","setterDeclared","params","generator","async","isGetter","isSetter","declId","functionDeclaration","thisContextVisitor","UnaryExpression","argument","skipTransparentExprWrapperNodes","isThisExpression","booleanLiteral","ThisExpression","needsClassRef","MetaProperty","meta","innerReferencesVisitor","ReferencedIdentifier","replaceThisContext","innerBindingRef","_state$classRef","isNameOrLength","type","inheritLeadingComments","inheritInnerComments","buildFieldsInitNodes","superRef","setPublicClassFields","constantSuper","_ref","_ref2","classRefFlags","injectSuperRef","staticNodes","instanceNodes","lastInstanceNodeReturnsThis","pureStaticNodes","classBindingNode","getSuperRef","isIdentifier","_injectSuperRef","generateUidIdentifierBasedOnNode","classRefForInnerBinding","isClassProperty","assertFieldTransformed","isStaticBlock","isInstance","isPublic","isField","ReplaceSupers","methodPath","refToPreserve","getObjectRef","replace","replaced","blockBody","isExpressionStatement","inheritsComments","unshift","filter","Boolean","wrapClass","leadingComments","remove","superClass","isClassExpression"],"sources":["../src/fields.ts"],"sourcesContent":["import { template, traverse, types as t } from \"@babel/core\";\nimport type { File } from \"@babel/core\";\nimport type { NodePath, Visitor, Scope } from \"@babel/traverse\";\nimport ReplaceSupers from \"@babel/helper-replace-supers\";\nimport environmentVisitor from \"@babel/helper-environment-visitor\";\nimport memberExpressionToFunctions from \"@babel/helper-member-expression-to-functions\";\nimport type {\n Handler,\n HandlerState,\n} from \"@babel/helper-member-expression-to-functions\";\nimport optimiseCall from \"@babel/helper-optimise-call-expression\";\nimport annotateAsPure from \"@babel/helper-annotate-as-pure\";\nimport { skipTransparentExprWrapperNodes } from \"@babel/helper-skip-transparent-expression-wrappers\";\n\nimport * as ts from \"./typescript.ts\";\n\ninterface PrivateNameMetadata {\n id: t.Identifier;\n static: boolean;\n method: boolean;\n getId?: t.Identifier;\n setId?: t.Identifier;\n methodId?: t.Identifier;\n initAdded?: boolean;\n getterDeclared?: boolean;\n setterDeclared?: boolean;\n}\n\ntype PrivateNamesMapGeneric<V> = Map<string, V>;\n\ntype PrivateNamesMap = PrivateNamesMapGeneric<PrivateNameMetadata>;\n\nexport function buildPrivateNamesMap(props: PropPath[]) {\n const privateNamesMap: PrivateNamesMap = new Map();\n for (const prop of props) {\n if (prop.isPrivate()) {\n const { name } = prop.node.key.id;\n const update: PrivateNameMetadata = privateNamesMap.has(name)\n ? privateNamesMap.get(name)\n : {\n id: prop.scope.generateUidIdentifier(name),\n static: prop.node.static,\n method: !prop.isProperty(),\n };\n if (prop.isClassPrivateMethod()) {\n if (prop.node.kind === \"get\") {\n update.getId = prop.scope.generateUidIdentifier(`get_${name}`);\n } else if (prop.node.kind === \"set\") {\n update.setId = prop.scope.generateUidIdentifier(`set_${name}`);\n } else if (prop.node.kind === \"method\") {\n update.methodId = prop.scope.generateUidIdentifier(name);\n }\n }\n privateNamesMap.set(name, update);\n }\n }\n return privateNamesMap;\n}\n\nexport function buildPrivateNamesNodes(\n privateNamesMap: PrivateNamesMap,\n privateFieldsAsProperties: boolean,\n privateFieldsAsSymbols: boolean,\n state: File,\n) {\n const initNodes: t.Statement[] = [];\n\n for (const [name, value] of privateNamesMap) {\n // - When the privateFieldsAsProperties assumption is enabled,\n // both static and instance fields are transpiled using a\n // secret non-enumerable property. Hence, we also need to generate that\n // key (using the classPrivateFieldLooseKey helper).\n // - When the privateFieldsAsSymbols assumption is enabled,\n // both static and instance fields are transpiled using a\n // unique Symbol to define a non-enumerable property.\n // - In spec mode, only instance fields need a \"private name\" initializer\n // because static fields are directly assigned to a variable in the\n // buildPrivateStaticFieldInitSpec function.\n const { static: isStatic, method: isMethod, getId, setId } = value;\n const isAccessor = getId || setId;\n const id = t.cloneNode(value.id);\n\n let init: t.Expression;\n\n if (privateFieldsAsProperties) {\n init = t.callExpression(state.addHelper(\"classPrivateFieldLooseKey\"), [\n t.stringLiteral(name),\n ]);\n } else if (privateFieldsAsSymbols) {\n init = t.callExpression(t.identifier(\"Symbol\"), [t.stringLiteral(name)]);\n } else if (!isStatic) {\n init = t.newExpression(\n t.identifier(!isMethod || isAccessor ? \"WeakMap\" : \"WeakSet\"),\n [],\n );\n }\n\n if (init) {\n annotateAsPure(init);\n initNodes.push(template.statement.ast`var ${id} = ${init}`);\n }\n }\n\n return initNodes;\n}\n\nexport interface PrivateNameVisitorState<V> {\n privateNamesMap: PrivateNamesMapGeneric<V>;\n redeclared?: string[];\n}\n\n// Traverses the class scope, handling private name references. If an inner\n// class redeclares the same private name, it will hand off traversal to the\n// restricted visitor (which doesn't traverse the inner class's inner scope).\nexport function privateNameVisitorFactory<S, V>(\n visitor: Visitor<PrivateNameVisitorState<V> & S>,\n) {\n // Traverses the outer portion of a class, without touching the class's inner\n // scope, for private names.\n const nestedVisitor = traverse.visitors.merge([\n {\n ...visitor,\n },\n environmentVisitor,\n ]);\n\n // @ts-expect-error: TS2590: Expression produces a union type that is too complex to represent.\n const privateNameVisitor: Visitor<\n PrivateNameVisitorState<PrivateNameMetadata> & S\n > = {\n ...visitor,\n\n Class(path) {\n const { privateNamesMap } = this;\n const body = path.get(\"body.body\");\n\n const visiblePrivateNames = new Map(privateNamesMap);\n const redeclared = [];\n for (const prop of body) {\n if (!prop.isPrivate()) continue;\n const { name } = prop.node.key.id;\n visiblePrivateNames.delete(name);\n redeclared.push(name);\n }\n\n // If the class doesn't redeclare any private fields, we can continue with\n // our overall traversal.\n if (!redeclared.length) {\n return;\n }\n\n // This class redeclares some private field. We need to process the outer\n // environment with access to all the outer privates, then we can process\n // the inner environment with only the still-visible outer privates.\n path.get(\"body\").traverse(nestedVisitor, {\n ...this,\n redeclared,\n });\n path.traverse(privateNameVisitor, {\n ...this,\n privateNamesMap: visiblePrivateNames,\n });\n\n // We'll eventually hit this class node again with the overall Class\n // Features visitor, which'll process the redeclared privates.\n path.skipKey(\"body\");\n },\n };\n\n return privateNameVisitor;\n}\n\ninterface PrivateNameState {\n privateNamesMap: PrivateNamesMap;\n classRef: t.Identifier;\n file: File;\n noDocumentAll: boolean;\n innerBinding?: t.Identifier;\n}\n\nconst privateNameVisitor = privateNameVisitorFactory<\n HandlerState<PrivateNameState> & PrivateNameState,\n PrivateNameMetadata\n>({\n PrivateName(path, { noDocumentAll }) {\n const { privateNamesMap, redeclared } = this;\n const { node, parentPath } = path;\n\n if (\n !parentPath.isMemberExpression({ property: node }) &&\n !parentPath.isOptionalMemberExpression({ property: node })\n ) {\n return;\n }\n const { name } = node.id;\n if (!privateNamesMap.has(name)) return;\n if (redeclared && redeclared.includes(name)) return;\n\n this.handle(parentPath, noDocumentAll);\n },\n});\n\n// rename all bindings that shadows innerBinding\nfunction unshadow(\n name: string,\n scope: Scope,\n innerBinding: t.Identifier | undefined,\n) {\n // in some cases, scope.getBinding(name) === undefined\n // so we check hasBinding to avoid keeping looping\n // see: https://github.com/babel/babel/pull/13656#discussion_r686030715\n while (\n scope?.hasBinding(name) &&\n !scope.bindingIdentifierEquals(name, innerBinding)\n ) {\n scope.rename(name);\n scope = scope.parent;\n }\n}\n\nexport function buildCheckInRHS(\n rhs: t.Expression,\n file: File,\n inRHSIsObject?: boolean,\n) {\n if (inRHSIsObject || !file.availableHelper?.(\"checkInRHS\")) return rhs;\n return t.callExpression(file.addHelper(\"checkInRHS\"), [rhs]);\n}\n\nconst privateInVisitor = privateNameVisitorFactory<\n {\n classRef: t.Identifier;\n file: File;\n innerBinding?: t.Identifier;\n privateFieldsAsProperties: boolean;\n },\n PrivateNameMetadata\n>({\n BinaryExpression(path, { file }) {\n const { operator, left, right } = path.node;\n if (operator !== \"in\") return;\n if (!t.isPrivateName(left)) return;\n\n const { privateFieldsAsProperties, privateNamesMap, redeclared } = this;\n\n const { name } = left.id;\n\n if (!privateNamesMap.has(name)) return;\n if (redeclared && redeclared.includes(name)) return;\n\n // if there are any local variable shadowing classRef, unshadow it\n // see #12960\n unshadow(this.classRef.name, path.scope, this.innerBinding);\n\n if (privateFieldsAsProperties) {\n const { id } = privateNamesMap.get(name);\n path.replaceWith(template.expression.ast`\n Object.prototype.hasOwnProperty.call(${buildCheckInRHS(\n right,\n file,\n )}, ${t.cloneNode(id)})\n `);\n return;\n }\n\n const { id, static: isStatic } = privateNamesMap.get(name);\n\n if (isStatic) {\n path.replaceWith(\n template.expression.ast`${buildCheckInRHS(\n right,\n file,\n )} === ${t.cloneNode(this.classRef)}`,\n );\n return;\n }\n\n path.replaceWith(\n template.expression.ast`${t.cloneNode(id)}.has(${buildCheckInRHS(\n right,\n file,\n )})`,\n );\n },\n});\n\ninterface Receiver {\n receiver(\n this: HandlerState<PrivateNameState> & PrivateNameState,\n member: NodePath<t.MemberExpression | t.OptionalMemberExpression>,\n ): t.Expression;\n}\n\nconst privateNameHandlerSpec: Handler<PrivateNameState & Receiver> & Receiver =\n {\n memoise(member, count) {\n const { scope } = member;\n const { object } = member.node as { object: t.Expression };\n\n const memo = scope.maybeGenerateMemoised(object);\n if (!memo) {\n return;\n }\n\n this.memoiser.set(object, memo, count);\n },\n\n receiver(member) {\n const { object } = member.node as { object: t.Expression };\n\n if (this.memoiser.has(object)) {\n return t.cloneNode(this.memoiser.get(object));\n }\n\n return t.cloneNode(object);\n },\n\n get(member) {\n const { classRef, privateNamesMap, file, innerBinding } = this;\n const { name } = (member.node.property as t.PrivateName).id;\n const {\n id,\n static: isStatic,\n method: isMethod,\n methodId,\n getId,\n setId,\n } = privateNamesMap.get(name);\n const isAccessor = getId || setId;\n\n if (isStatic) {\n // NOTE: This package has a peerDependency on @babel/core@^7.0.0, but these\n // helpers have been introduced in @babel/helpers@7.1.0.\n const helperName =\n isMethod && !isAccessor\n ? \"classStaticPrivateMethodGet\"\n : \"classStaticPrivateFieldSpecGet\";\n\n // if there are any local variable shadowing classRef, unshadow it\n // see #12960\n unshadow(classRef.name, member.scope, innerBinding);\n\n return t.callExpression(file.addHelper(helperName), [\n this.receiver(member),\n t.cloneNode(classRef),\n t.cloneNode(id),\n ]);\n }\n\n if (isMethod) {\n if (isAccessor) {\n if (!getId && setId) {\n if (file.availableHelper(\"writeOnlyError\")) {\n return t.sequenceExpression([\n this.receiver(member),\n t.callExpression(file.addHelper(\"writeOnlyError\"), [\n t.stringLiteral(`#${name}`),\n ]),\n ]);\n }\n console.warn(\n `@babel/helpers is outdated, update it to silence this warning.`,\n );\n }\n return t.callExpression(file.addHelper(\"classPrivateFieldGet\"), [\n this.receiver(member),\n t.cloneNode(id),\n ]);\n }\n return t.callExpression(file.addHelper(\"classPrivateMethodGet\"), [\n this.receiver(member),\n t.cloneNode(id),\n t.cloneNode(methodId),\n ]);\n }\n return t.callExpression(file.addHelper(\"classPrivateFieldGet\"), [\n this.receiver(member),\n t.cloneNode(id),\n ]);\n },\n\n boundGet(member) {\n this.memoise(member, 1);\n\n return t.callExpression(\n t.memberExpression(this.get(member), t.identifier(\"bind\")),\n [this.receiver(member)],\n );\n },\n\n set(member, value) {\n const { classRef, privateNamesMap, file } = this;\n const { name } = (member.node.property as t.PrivateName).id;\n const {\n id,\n static: isStatic,\n method: isMethod,\n setId,\n getId,\n } = privateNamesMap.get(name);\n const isAccessor = getId || setId;\n\n if (isStatic) {\n const helperName =\n isMethod && !isAccessor\n ? \"classStaticPrivateMethodSet\"\n : \"classStaticPrivateFieldSpecSet\";\n\n return t.callExpression(file.addHelper(helperName), [\n this.receiver(member),\n t.cloneNode(classRef),\n t.cloneNode(id),\n value,\n ]);\n }\n if (isMethod) {\n if (setId) {\n return t.callExpression(file.addHelper(\"classPrivateFieldSet\"), [\n this.receiver(member),\n t.cloneNode(id),\n value,\n ]);\n }\n return t.sequenceExpression([\n this.receiver(member),\n value,\n t.callExpression(file.addHelper(\"readOnlyError\"), [\n t.stringLiteral(`#${name}`),\n ]),\n ]);\n }\n return t.callExpression(file.addHelper(\"classPrivateFieldSet\"), [\n this.receiver(member),\n t.cloneNode(id),\n value,\n ]);\n },\n\n destructureSet(member) {\n const { classRef, privateNamesMap, file } = this;\n const { name } = (member.node.property as t.PrivateName).id;\n const { id, static: isStatic } = privateNamesMap.get(name);\n if (isStatic) {\n try {\n // classStaticPrivateFieldDestructureSet was introduced in 7.13.10\n // eslint-disable-next-line no-var\n var helper = file.addHelper(\"classStaticPrivateFieldDestructureSet\");\n } catch {\n throw new Error(\n \"Babel can not transpile `[C. |