ntts
Version:
A CLI tool for refactoring an existing NodeJs application to a fully functional TypeScript application.
130 lines (129 loc) • 7.54 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var ts_morph_1 = require("ts-morph");
var variable_name_generator_1 = __importDefault(require("../../helpers/variable-name-generator/variable-name-generator"));
var variable_creator_1 = __importDefault(require("../helpers/variable-creator"));
var export_parser_1 = __importDefault(require("../helpers/export-parser"));
var write_access_checker_1 = __importDefault(require("../../helpers/write-access-checker/write-access-checker"));
var TopLevelRefactor = /** @class */ (function () {
function TopLevelRefactor() {
}
var _a;
_a = TopLevelRefactor;
TopLevelRefactor.refactorTopLevelExport = function (exportName, binary, expression, accessExpression, exportedVariables, usedNames, defaultExport, sourceFile) {
var exported = export_parser_1.default.exportVariableExists(exportName, exportedVariables, defaultExport);
var exportedNames = exportedVariables.map(function (e) { return e.name; });
if (exported && exported.directExport) {
return _a.refactorExistingDirectExport(exported, usedNames.concat(exportedNames), binary, accessExpression, exportedVariables, sourceFile);
}
if (exported) {
_a.refactorExistingExport(exported, accessExpression, sourceFile);
return exportedVariables;
}
if (ts_morph_1.Node.isIdentifier(binary.getRight())) {
var newExport_1 = _a.refactorIdentifierAssignment(exportName, binary, expression, usedNames.concat(exportedNames), defaultExport, sourceFile);
return exportedVariables.concat(newExport_1);
}
if (ts_morph_1.Node.isClassExpression(binary.getRight())) {
var newExport_2 = _a.refactorClassAssignment(exportName, binary, expression, usedNames.concat(exportedNames), defaultExport, sourceFile);
return exportedVariables.concat(newExport_2);
}
var newExport = _a.refactorNewExport(exportName, binary, expression, usedNames.concat(exportedNames), defaultExport, sourceFile);
return exportedVariables.concat(newExport);
};
TopLevelRefactor.refactorExistingDirectExport = function (exported, usedNames, binary, accessExpression, exportedVariables, sourceFile) {
var usableName = variable_name_generator_1.default.getUsableVariableName(exported.name, usedNames);
var index = export_parser_1.default.getSourceFileIndex(binary);
variable_creator_1.default.createVariable(usableName, index, exported.name, ts_morph_1.VariableDeclarationKind.Let, sourceFile);
accessExpression.replaceWithText(usableName);
return exportedVariables.map(function (variable) {
if (variable.name === exported.name && variable.alias === exported.alias) {
return { name: usableName, alias: exported.alias || exported.name, defaultExport: exported.defaultExport };
}
return variable;
});
};
TopLevelRefactor.refactorExistingExport = function (exported, accessExpression, sourceFile) {
sourceFile.getVariableStatementOrThrow(exported.name).setDeclarationKind(ts_morph_1.VariableDeclarationKind.Let);
accessExpression.replaceWithText(exported.name);
};
TopLevelRefactor.refactorClassAssignment = function (exportName, binary, expression, usedNames, defaultExport, sourceFile) {
var assignedClass = binary.getRight().asKindOrThrow(ts_morph_1.SyntaxKind.ClassExpression);
var className = _a.refactorClassExpressionExport(assignedClass, exportName, usedNames);
sourceFile.insertStatements(export_parser_1.default.getSourceFileIndex(binary), assignedClass.getText());
expression.remove();
var exportModel = {
name: className,
directExport: true,
defaultExport: defaultExport,
};
return exportName === className ? exportModel : __assign(__assign({}, exportModel), { alias: exportName });
};
TopLevelRefactor.refactorIdentifierAssignment = function (exportName, binary, expression, usedNames, defaultExport, sourceFile) {
var assignedIdentifier = binary.getRight().asKindOrThrow(ts_morph_1.SyntaxKind.Identifier);
if (_a.canExportDirectly(assignedIdentifier, sourceFile)) {
var assignedName = assignedIdentifier.getText();
expression.remove();
var exportModel = {
name: assignedName,
directExport: true,
defaultExport: defaultExport,
};
return exportName === assignedName ? exportModel : __assign(__assign({}, exportModel), { alias: exportName });
}
var usableName = variable_name_generator_1.default.getUsableVariableName(exportName, usedNames);
variable_creator_1.default.createVariable(usableName, export_parser_1.default.getSourceFileIndex(binary), binary.getRight().getText(), ts_morph_1.VariableDeclarationKind.Const, sourceFile);
expression.remove();
return { name: usableName, alias: exportName };
};
TopLevelRefactor.refactorNewExport = function (exportName, binary, expression, usedNames, defaultExport, sourceFile) {
var usableName = variable_name_generator_1.default.getUsableVariableName(exportName, usedNames);
variable_creator_1.default.createVariable(usableName, export_parser_1.default.getSourceFileIndex(binary), binary.getRight().getText(), ts_morph_1.VariableDeclarationKind.Const, sourceFile);
expression.remove();
return {
name: usableName,
alias: exportName !== usableName ? exportName : undefined,
defaultExport: defaultExport,
};
};
TopLevelRefactor.refactorClassExpressionExport = function (classExpression, exportName, usedNames) {
var className = classExpression.getName();
if (className && !usedNames.includes(className)) {
return className;
}
if (!usedNames.includes(exportName)) {
classExpression.rename(exportName);
return exportName;
}
var usableClassName = variable_name_generator_1.default.getUsableVariableName("".concat(exportName, "Type"), usedNames);
classExpression.rename(usableClassName);
return usableClassName;
};
TopLevelRefactor.canExportDirectly = function (identifier, sourceFile) {
var nodeName = identifier.getText();
var implementation = sourceFile.getVariableDeclaration(nodeName) || sourceFile.getFunction(nodeName) || sourceFile.getClass(nodeName);
if (ts_morph_1.Node.isFunctionDeclaration(implementation) || ts_morph_1.Node.isClassDeclaration(implementation)) {
return true;
}
if (ts_morph_1.Node.isVariableDeclaration(implementation)) {
return !write_access_checker_1.default.hasValueChanged(implementation);
}
return false;
};
return TopLevelRefactor;
}());
exports.default = TopLevelRefactor;