@nestjs/schematics
Version:
Nest - modern, fast, powerful node.js web framework (@schematics)
38 lines (37 loc) • 1.5 kB
JavaScript
import { normalize } from '@angular-devkit/core';
import { PathSolver } from './path.solver.js';
export class ModuleImportDeclarator {
solver;
constructor(solver = new PathSolver()) {
this.solver = solver;
}
declare(content, options) {
const toInsert = this.buildLineToInsert(options);
const contentLines = content.split('\n');
const finalImportIndex = this.findImportsEndpoint(contentLines);
contentLines.splice(finalImportIndex + 1, 0, toInsert);
return contentLines.join('\n');
}
findImportsEndpoint(contentLines) {
const reversedContent = Array.from(contentLines).reverse();
const reverseImports = reversedContent.filter((line) => line.match(/\} from ('|")/));
if (reverseImports.length <= 0) {
return 0;
}
return contentLines.indexOf(reverseImports[0]);
}
buildLineToInsert(options) {
return `import { ${options.symbol} } from '${this.computeRelativePath(options)}';`;
}
computeRelativePath(options) {
let importModulePath;
if (options.type !== undefined) {
importModulePath = normalize(`/${options.path}/${options.name}.${options.type}`);
}
else {
importModulePath = normalize(`/${options.path}/${options.name}`);
}
const relativePath = this.solver.relative(options.module, importModulePath);
return options.isEsm ? `${relativePath}.js` : relativePath;
}
}