669   resourceToFile: {[resource: string]: Set<string>} = {}; // Resource is used by which file
684     resourceToFileCacheInfo: {[resource: string]: Set<string>}) {
736 …const resourceToFile: {[resource: string]: Set<string> | string[]} = Object.assign(resourceToFileC…
739         for (const resource of this.wholeFileInfo[id].newFileToResourceList) {  constant
740           if (!(fileCacheInfo[id].fileToResourceList as Set<string>).has(resource)) {
741             if (!resourceToFile[resource]) {
742               resourceToFile[resource] = new Set();
744             (resourceToFile[resource] as Set<string>).add(id);
747         for (const resource of fileCacheInfo[id].fileToResourceList) {  constant
748           if (!this.wholeFileInfo[id].newFileToResourceList.has(resource)) {
749             (resourceToFile[resource] as Set<string>).delete(id);
757       this.resourceToFile = resourceToFile as {[resource: string]: Set<string>};
758       for (const resource in resourceToFile) {  constant
759         resourceToFile[resource] = [...resourceToFile[resource]];
773   updateResourceList(resource: string) {
774     this.resourceList.add(resource);
779     for (const resource of this.lastResourceList) {  constant
780       if (!this.resourceList.has(resource) && this.resourceToFile[resource]) {
781         this.resourceToFile[resource].forEach(file => {
787     for (const resource of this.resourceList) {  constant
788       if (!this.resourceToFile[resource]) {
789         this.resourceToFile[resource] = new Set();
791       if (!this.lastResourceList.has(resource)) {
792         this.resourceToFile[resource].forEach(file => {
799   collectResourceInFile(resource: string, file: string) {
800     this.wholeFileInfo[file].newFileToResourceList.add(resource);