@airtasker/spot/build/lib/src/spec-helpers/helper.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ts_morph_1 = require("ts-morph");
/**
 * Create an AST source file. Any files imported from the main file must also be provided.
 * All files will be loaded into a virtual filesystem under a `test/` directory.
 *
 * @param mainFile details for main file
 * @param referencedContent details for referenced files
 * @returns the main source file
 */
function createSourceFile(mainFile, ...referencedFiles) {
    const project = createProject();
    referencedFiles.forEach(fileDetail => {
        project.createSourceFile(`test/${fileDetail.path}.ts`, fileDetail.content);
    });
    const mainSource = project.createSourceFile(`test/${mainFile.path}.ts`, mainFile.content);
    validateProject(project);
    return mainSource;
}
exports.createSourceFile = createSourceFile;
/**
 * Create an AST project with the `@airtasker/spot` depedency loaded.
 */
function createProject() {
    return new ts_morph_1.Project({
        compilerOptions: {
            target: ts_morph_1.ts.ScriptTarget.ESNext,
            module: ts_morph_1.ts.ModuleKind.CommonJS,
            strict: true,
            noImplicitAny: true,
            strictNullChecks: true,
            strictFunctionTypes: true,
            strictPropertyInitialization: true,
            noImplicitThis: true,
            alwaysStrict: true,
            noImplicitReturns: true,
            noFallthroughCasesInSwitch: true,
            moduleResolution: ts_morph_1.ts.ModuleResolutionKind.NodeJs,
            experimentalDecorators: true,
            baseUrl: "./",
            paths: {
                "@airtasker/spot": ["./lib/src/lib"]
            }
        }
    });
}
exports.createProject = createProject;
function createProjectFromExistingSourceFile(filePath) {
    const project = createProject();
    const file = project.addSourceFileAtPath(filePath);
    project.resolveSourceFileDependencies();
    validateProject(project);
    return { project, file };
}
exports.createProjectFromExistingSourceFile = createProjectFromExistingSourceFile;
/**
 * Validate an AST project's correctness.
 *
 * @param project an AST project
 */
function validateProject(project) {
    const diagnostics = project.getPreEmitDiagnostics();
    if (diagnostics.length > 0) {
        throw new Error(diagnostics
            .map(diagnostic => {
            const message = diagnostic.getMessageText();
            return typeof message === "string"
                ? message
                : message.getMessageText();
        })
            .join("\n"));
    }
}
exports.validateProject = validateProject;