pcf-scripts/sourceCodeValidator.js

This package contains a module for building PowerApps Component Framework (PCF) controls. See project homepage how to install.

"use strict";
// Copyright (C) Microsoft Corporation. All rights reserved.
Object.defineProperty(exports, "__esModule", { value: true });
exports.ValidateCode = ValidateCode;
const fs = require("fs-extra");
const path = require("path");
const ts = require("typescript");
const diagnosticMessages_generated_1 = require("./diagnosticMessages.generated");
function ValidateCode(diag, codePath, constructorNameFromManifest) {
    if (!fs.existsSync(codePath)) {
        diag.pushA(diagnosticMessages_generated_1.strings.validation_code_path_does_not_exist, [codePath]);
        return false;
    }
    else if (fs.statSync(codePath).isDirectory()) {
        diag.push(diagnosticMessages_generated_1.strings.validation_code_path_must_be_file);
        return false;
    }
    // Make sure control doesn't use internal module and only exports one component
    let isValid = true;
    const program = ts.createProgram([codePath], {});
    let numExported = 0;
    const srcFiles = program.getSourceFiles().filter((srcFile) => !srcFile.isDeclarationFile && path.resolve(srcFile.fileName) === codePath);
    const checker = program.getTypeChecker();
    srcFiles.forEach((srcFile) => {
        srcFile.forEachChild((node) => {
            if (node.kind === ts.SyntaxKind.ModuleDeclaration) {
                isValid = false;
                diag.push(diagnosticMessages_generated_1.strings.validation_internal_module);
                return;
            }
            node.modifiers?.forEach((modifier) => {
                if (modifier.kind === ts.SyntaxKind.ExportKeyword) {
                    numExported++;
                    if (numExported > 1) {
                        isValid = false;
                        diag.push(diagnosticMessages_generated_1.strings.validation_multiple_exports);
                        return;
                    }
                    // If node is an exported class, check to ensure the class constructor name matches the constructor name in ControlManifest.Input.xml
                    if (ts.isClassDeclaration(node) && node.name) {
                        const symbol = checker.getSymbolAtLocation(node.name);
                        if (symbol && symbol.getName() !== constructorNameFromManifest) {
                            isValid = false;
                            diag.push(diagnosticMessages_generated_1.strings.validation_constructor_names_unmatched);
                            return;
                        }
                    }
                }
            });
        });
    });
    return isValid;
}

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