@ui5/linter/lib/linter/xmlTemplate/generator/ControllerByIdDtsGenerator.js

A static code analysis tool for UI5

export class ControllerByIdDtsGenerator {
    // Maps module names to local names
    imports = new Map();
    generate(controllerByIdInfo) {
        const mappings = controllerByIdInfo.getMappings();
        if (!mappings.size) {
            return null;
        }
        this.imports = new Map();
        this.addImport("sap/ui/core/mvc/View"); // View is needed for interface ControllerView
        this.addImport("sap/ui/core/Element"); // Element is needed for byId fallback signature
        let out = "";
        mappings.forEach((idToModules, controllerName) => {
            out += this.generateModuleDeclaration(controllerName, idToModules);
        });
        return this.generateCollectedImports() + out;
    }
    generateCollectedImports() {
        return Array.from(this.imports.entries())
            .map(([moduleName, localName]) => `import ${localName} from "${moduleName}";`)
            .join("\n") + "\n";
    }
    generateByIdMapping(idToModules) {
        let out = "interface ByIdMapping {\n";
        idToModules.forEach((modules, id) => {
            const localNames = Array.from(modules).map((moduleName) => this.addImport(moduleName));
            out += `\t\t"${id}": ${localNames.join(" | ")};\n`;
        });
        out += "\t}";
        return out;
    }
    generateModuleDeclaration(controllerName, idToModules) {
        const moduleName = controllerName.replace(/\./g, "/") + ".controller";
        return `
declare module "${moduleName}" {
	${this.generateByIdMapping(idToModules)}
	type ByIdFunction = {
		<T extends keyof ByIdMapping>(sId: T): ByIdMapping[T];
		(sId: string): ${this.imports.get("sap/ui/core/Element")};
	}
	interface ControllerView extends ${this.imports.get("sap/ui/core/mvc/View")} {
		byId: ByIdFunction;
	}
	export default interface Controller {
		byId: ByIdFunction;
		getView(): ControllerView;
	}
}
`;
    }
    addImport(moduleName) {
        const localName = this.getLocalModuleName(moduleName);
        if (!this.imports.has(moduleName)) {
            this.imports.set(moduleName, localName);
        }
        return localName;
    }
    getLocalModuleName(moduleName) {
        return moduleName.replace(/[/.]/g, "_");
    }
}
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