meld
Version:
Meld: A template language for LLM prompts
1,408 lines (1,393 loc) • 463 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var winston = require('winston');
var path3 = require('path');
var fs = require('fs');
var tsyringe = require('tsyringe');
var crypto = require('crypto');
var fsExtra = require('fs-extra');
var fs2 = require('fs/promises');
var child_process = require('child_process');
var util = require('util');
var chalk = require('chalk');
require('reflect-metadata');
function _interopDefault (e) { return e && e.__esModule ? e : { default: e }; }
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Object.defineProperty(n, k, d.get ? d : {
enumerable: true,
get: function () { return e[k]; }
});
}
});
}
n.default = e;
return Object.freeze(n);
}
var winston__default = /*#__PURE__*/_interopDefault(winston);
var path3__namespace = /*#__PURE__*/_interopNamespace(path3);
var fs__default = /*#__PURE__*/_interopDefault(fs);
var fsExtra__namespace = /*#__PURE__*/_interopNamespace(fsExtra);
var fs2__namespace = /*#__PURE__*/_interopNamespace(fs2);
var chalk__default = /*#__PURE__*/_interopDefault(chalk);
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var __require = /* @__PURE__ */ ((x) => typeof require !== "undefined" ? require : typeof Proxy !== "undefined" ? new Proxy(x, {
get: (a, b) => (typeof require !== "undefined" ? require : a)[b]
}) : x)(function(x) {
if (typeof require !== "undefined") return require.apply(this, arguments);
throw Error('Dynamic require of "' + x + '" is not supported');
});
var __esm = (fn, res) => function __init() {
return fn && (res = (0, fn[__getOwnPropNames(fn)[0]])(fn = 0)), res;
};
var __commonJS = (cb, mod) => function __require2() {
return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};
var __export = (target, all) => {
for (var name in all)
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};
var __copyProps = (to, from, except, desc) => {
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
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mod
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if (kind && result) __defProp(target, key, result);
return result;
};
var __decorateParam = (index, decorator) => (target, key) => decorator(target, key, index);
// services/resolution/ResolutionService/IResolutionService.ts
var ResolutionErrorCode;
var init_IResolutionService = __esm({
"services/resolution/ResolutionService/IResolutionService.ts"() {
ResolutionErrorCode = /* @__PURE__ */ ((ResolutionErrorCode2) => {
ResolutionErrorCode2["UNDEFINED_VARIABLE"] = "UNDEFINED_VARIABLE";
ResolutionErrorCode2["CIRCULAR_REFERENCE"] = "CIRCULAR_REFERENCE";
ResolutionErrorCode2["INVALID_CONTEXT"] = "INVALID_CONTEXT";
ResolutionErrorCode2["INVALID_VARIABLE_TYPE"] = "INVALID_VARIABLE_TYPE";
ResolutionErrorCode2["INVALID_PATH"] = "INVALID_PATH";
ResolutionErrorCode2["MAX_ITERATIONS_EXCEEDED"] = "MAX_ITERATIONS_EXCEEDED";
ResolutionErrorCode2["SYNTAX_ERROR"] = "SYNTAX_ERROR";
ResolutionErrorCode2["FIELD_ACCESS_ERROR"] = "FIELD_ACCESS_ERROR";
ResolutionErrorCode2["MAX_DEPTH_EXCEEDED"] = "MAX_DEPTH_EXCEEDED";
ResolutionErrorCode2["RESOLUTION_FAILED"] = "RESOLUTION_FAILED";
ResolutionErrorCode2["INVALID_NODE_TYPE"] = "INVALID_NODE_TYPE";
ResolutionErrorCode2["INVALID_COMMAND"] = "INVALID_COMMAND";
ResolutionErrorCode2["VARIABLE_NOT_FOUND"] = "VARIABLE_NOT_FOUND";
ResolutionErrorCode2["INVALID_FIELD"] = "INVALID_FIELD";
ResolutionErrorCode2["COMMAND_NOT_FOUND"] = "COMMAND_NOT_FOUND";
ResolutionErrorCode2["SECTION_NOT_FOUND"] = "SECTION_NOT_FOUND";
return ResolutionErrorCode2;
})(ResolutionErrorCode || {});
}
});
// core/errors/MeldError.ts
var MeldError;
var init_MeldError = __esm({
"core/errors/MeldError.ts"() {
MeldError = class _MeldError extends Error {
constructor(message, options = {}) {
super(message);
this.name = "MeldError";
this.code = options.code;
this.errorCause = options.cause;
this.filePath = options.filePath;
this.severity = options.severity || "fatal" /* Fatal */;
this.context = options.context;
Object.setPrototypeOf(this, new.target.prototype);
}
/**
* Custom serialization to avoid circular references and include only essential info
*/
toJSON() {
return {
name: this.name,
message: this.message,
code: this.code,
filePath: this.filePath,
cause: this.errorCause?.message,
severity: this.severity,
context: this.context
};
}
/**
* Check if this error can be treated as a warning in permissive mode
*/
canBeWarning() {
return this.severity === "recoverable" /* Recoverable */ || this.severity === "warning" /* Warning */;
}
/**
* Wrap an unknown error in a MeldError
*/
static wrap(error, message, severity = "fatal" /* Fatal */) {
if (error instanceof _MeldError) {
return error;
}
return new _MeldError(
message || (error instanceof Error ? error.message : String(error)),
{
cause: error instanceof Error ? error : undefined,
severity
}
);
}
};
}
});
// core/errors/MeldResolutionError.ts
var MeldResolutionError;
var init_MeldResolutionError = __esm({
"core/errors/MeldResolutionError.ts"() {
init_MeldError();
MeldResolutionError = class extends MeldError {
constructor(message, options = {}) {
const severity = options.severity || "recoverable" /* Recoverable */;
super(message, {
code: options.code || "RESOLUTION_FAILED",
filePath: options.filePath || options.details?.location?.filePath,
cause: options.cause,
severity,
context: options.details
});
this.name = "MeldResolutionError";
this.details = options.details;
}
/**
* Get a formatted error message including details
*/
formatMessage() {
let msg = `Resolution error: ${this.message}`;
if (this.details?.value) {
msg += `
Value: ${this.details.value}`;
}
if (this.details?.context) {
msg += `
Context: ${this.details.context}`;
}
if (this.details?.variableName) {
msg += `
Variable: ${this.details.variableName}`;
if (this.details.variableType) {
msg += ` (${this.details.variableType})`;
}
}
if (this.details?.fieldPath) {
msg += `
Field path: ${this.details.fieldPath}`;
}
return msg;
}
};
}
});
// services/resolution/ResolutionService/resolvers/TextResolver.ts
var TextResolver;
var init_TextResolver = __esm({
"services/resolution/ResolutionService/resolvers/TextResolver.ts"() {
init_IResolutionService();
init_MeldResolutionError();
init_MeldError();
TextResolver = class {
constructor(stateService) {
this.stateService = stateService;
}
/**
* Resolve text variables in a node
*/
async resolve(node, context) {
if (node.type !== "Directive") {
return node.type === "Text" ? node.content : "";
}
const directiveNode = node;
if (!context.allowedVariableTypes.text) {
throw new MeldResolutionError(
"Text variables are not allowed in this context",
{
code: "INVALID_CONTEXT" /* INVALID_CONTEXT */,
severity: "fatal" /* Fatal */,
details: {
value: directiveNode.directive.value,
context: JSON.stringify(context)
}
}
);
}
const { identifier, format } = this.parseDirective(directiveNode);
const value = this.stateService.getTextVar(identifier);
if (value === undefined) {
if (identifier.startsWith("ENV_")) {
throw new MeldResolutionError(
`Environment variable not set: ${identifier}`,
{
code: "UNDEFINED_VARIABLE" /* UNDEFINED_VARIABLE */,
severity: "recoverable" /* Recoverable */,
details: {
variableName: identifier,
variableType: "text",
context: "environment variable"
}
}
);
}
throw new MeldResolutionError(
`Undefined text variable: ${identifier}`,
{
code: "UNDEFINED_VARIABLE" /* UNDEFINED_VARIABLE */,
severity: "recoverable" /* Recoverable */,
details: {
variableName: identifier,
variableType: "text"
}
}
);
}
return format ? this.applyFormat(value, format) : value;
}
/**
* Extract references from a node
*/
extractReferences(node) {
if (node.type !== "Directive") {
return [];
}
const directiveNode = node;
if (directiveNode.directive.kind !== "text") {
return [];
}
return [directiveNode.directive.identifier];
}
/**
* Parse a directive node to extract identifier and format
*/
parseDirective(node) {
if (node.directive.kind !== "text") {
throw new MeldResolutionError(
"Invalid node type for text resolution",
{
code: "SYNTAX_ERROR" /* SYNTAX_ERROR */,
severity: "fatal" /* Fatal */,
details: {
value: JSON.stringify(node)
}
}
);
}
const identifier = node.directive.identifier;
if (!identifier) {
throw new MeldResolutionError(
"Text variable identifier is required",
{
code: "SYNTAX_ERROR" /* SYNTAX_ERROR */,
severity: "fatal" /* Fatal */,
details: {
value: JSON.stringify(node)
}
}
);
}
return {
identifier,
format: node.directive.format
};
}
/**
* Apply format to a value
*/
applyFormat(value, format) {
return value;
}
};
}
});
// services/resolution/ResolutionService/resolvers/DataResolver.ts
var DataResolver;
var init_DataResolver = __esm({
"services/resolution/ResolutionService/resolvers/DataResolver.ts"() {
init_IResolutionService();
init_MeldResolutionError();
init_MeldError();
DataResolver = class {
constructor(stateService) {
this.stateService = stateService;
}
/**
* Resolve data variables in a node
*/
async resolve(node, context) {
if (node.type === "Text") {
return node.content;
}
if (node.type !== "Directive" || node.directive.kind !== "data") {
throw new MeldResolutionError(
"Invalid node type for data resolution",
{
code: "INVALID_NODE_TYPE" /* INVALID_NODE_TYPE */,
severity: "fatal" /* Fatal */,
details: {
value: node.type,
context: JSON.stringify(context)
}
}
);
}
const directiveNode = node;
if (!context.allowedVariableTypes.data) {
throw new MeldResolutionError(
"Data variables are not allowed in this context",
{
code: "INVALID_VARIABLE_TYPE" /* INVALID_VARIABLE_TYPE */,
severity: "fatal" /* Fatal */,
details: {
value: directiveNode.directive.value,
context: JSON.stringify(context)
}
}
);
}
const identifier = directiveNode.directive.identifier;
if (!identifier) {
throw new MeldResolutionError(
"Data variable identifier is required",
{
code: "SYNTAX_ERROR" /* SYNTAX_ERROR */,
severity: "fatal" /* Fatal */,
details: {
value: JSON.stringify(directiveNode)
}
}
);
}
const value = await this.stateService.getDataVar(identifier);
if (value === undefined) {
throw new MeldResolutionError(
`Data variable '${identifier}' not found`,
{
code: "UNDEFINED_VARIABLE" /* UNDEFINED_VARIABLE */,
severity: "recoverable" /* Recoverable */,
details: {
variableName: identifier,
variableType: "data"
}
}
);
}
if (directiveNode.directive.field) {
const field = directiveNode.directive.field;
const fieldValue = value[field];
if (fieldValue === undefined) {
throw new MeldResolutionError(
`Field '${field}' not found in data variable '${identifier}'`,
{
code: ResolutionErrorCode.UNDEFINED_FIELD,
severity: "recoverable" /* Recoverable */,
details: {
variableName: identifier,
variableType: "data",
fieldPath: field
}
}
);
}
return this.stringifyValue(fieldValue);
}
return this.stringifyValue(value);
}
/**
* Extract references from a node
*/
extractReferences(node) {
if (node.type !== "Directive" || node.directive.kind !== "data") {
return [];
}
return [node.directive.identifier];
}
/**
* Convert a value to string format
*/
stringifyValue(value) {
if (value === undefined) {
return "";
}
if (value === null) {
return "null";
}
if (typeof value === "object") {
return JSON.stringify(value);
}
return String(value);
}
};
}
});
// services/resolution/ResolutionService/resolvers/PathResolver.ts
var PathResolver;
var init_PathResolver = __esm({
"services/resolution/ResolutionService/resolvers/PathResolver.ts"() {
init_IResolutionService();
init_MeldResolutionError();
init_MeldError();
PathResolver = class {
constructor(stateService) {
this.stateService = stateService;
}
/**
* Resolve path variables in a node
*/
async resolve(node, context) {
if (node.type !== "Directive") {
return node.type === "Text" ? node.content : "";
}
const directiveNode = node;
if (!context.allowedVariableTypes.path) {
throw new MeldResolutionError(
"Path variables are not allowed in this context",
{
code: "INVALID_CONTEXT" /* INVALID_CONTEXT */,
severity: "fatal" /* Fatal */,
details: {
value: directiveNode.directive.value,
context: JSON.stringify(context)
}
}
);
}
if (directiveNode.directive.kind !== "path") {
throw new MeldResolutionError(
"Invalid node type for path resolution",
{
code: "INVALID_NODE_TYPE" /* INVALID_NODE_TYPE */,
severity: "fatal" /* Fatal */,
details: {
value: directiveNode.directive.kind
}
}
);
}
const identifier = directiveNode.directive.identifier;
if (!identifier) {
throw new MeldResolutionError(
"Path variable identifier is required",
{
code: "SYNTAX_ERROR" /* SYNTAX_ERROR */,
severity: "fatal" /* Fatal */,
details: {
value: JSON.stringify(directiveNode.directive)
}
}
);
}
if (identifier === "~" || identifier === "HOMEPATH") {
return this.stateService.getPathVar("HOMEPATH") || "";
}
if (identifier === "." || identifier === "PROJECTPATH") {
return this.stateService.getPathVar("PROJECTPATH") || "";
}
const value = this.stateService.getPathVar(identifier);
if (value === undefined) {
throw new MeldResolutionError(
`Undefined path variable: ${identifier}`,
{
code: "UNDEFINED_VARIABLE" /* UNDEFINED_VARIABLE */,
severity: "recoverable" /* Recoverable */,
details: {
variableName: identifier,
variableType: "path"
}
}
);
}
if (typeof value === "object" && value !== null && "raw" in value) {
const structuredPath = value;
if (context.pathValidation) {
return this.validatePath(structuredPath, context);
}
return structuredPath.normalized || structuredPath.raw;
}
if (context.pathValidation) {
return this.validatePath(value, context);
}
return value;
}
/**
* Extract references from a node
*/
extractReferences(node) {
if (node.type !== "Directive") {
return [];
}
const directiveNode = node;
if (directiveNode.directive.kind !== "path") {
return [];
}
const identifier = directiveNode.directive.identifier;
if (!identifier) {
return [];
}
if (identifier === "~") {
return ["HOMEPATH"];
}
if (identifier === ".") {
return ["PROJECTPATH"];
}
const value = directiveNode.directive.value;
if (value && typeof value === "object" && "structured" in value) {
const structuredPath = value;
const references = [identifier];
if (structuredPath.structured.variables.special.length > 0) {
references.push(...structuredPath.structured.variables.special);
}
if (structuredPath.structured.variables.path.length > 0) {
references.push(...structuredPath.structured.variables.path);
}
return references;
}
return [identifier];
}
/**
* Validate a resolved path against context requirements
*/
validatePath(path7, context) {
const pathStr = typeof path7 === "object" && "normalized" in path7 ? path7.normalized || path7.raw : path7;
const hasSpecialVar = pathStr.startsWith("$PROJECTPATH/") || pathStr.startsWith("$./") || pathStr.startsWith("$HOMEPATH/") || pathStr.startsWith("$~/");
if (hasSpecialVar) {
return pathStr;
}
if (context.pathValidation) {
if (context.pathValidation.requireAbsolute && !pathStr.startsWith("/")) {
throw new MeldResolutionError(
"Path must be absolute",
{
code: "INVALID_PATH" /* INVALID_PATH */,
severity: "fatal" /* Fatal */,
details: {
value: pathStr,
context: JSON.stringify(context.pathValidation)
}
}
);
}
if (context.pathValidation.allowedRoots?.length) {
const hasAllowedRoot = context.pathValidation.allowedRoots.some((root) => {
const rootVar = this.stateService.getPathVar(root);
return rootVar && (pathStr.startsWith(rootVar + "/") || pathStr === rootVar);
});
if (!hasAllowedRoot) {
throw new MeldResolutionError(
`Path must start with one of: ${context.pathValidation.allowedRoots.join(", ")}`,
{
code: "INVALID_PATH" /* INVALID_PATH */,
severity: "fatal" /* Fatal */,
details: {
value: pathStr,
context: JSON.stringify(context.pathValidation)
}
}
);
}
}
}
return pathStr;
}
/**
* Get all path variables referenced in a node
*/
getReferencedVariables(node) {
const pathVar = this.getPathVarFromNode(node);
if (!pathVar || pathVar.isSpecial) {
return [];
}
if (node.type === "Directive" && node.directive.value && typeof node.directive.value === "object" && "structured" in node.directive.value) {
const structuredPath = node.directive.value;
const references = [pathVar.identifier];
if (structuredPath.structured.variables.special.length > 0) {
references.push(...structuredPath.structured.variables.special);
}
if (structuredPath.structured.variables.path.length > 0) {
references.push(...structuredPath.structured.variables.path);
}
return references;
}
return [pathVar.identifier];
}
/**
* Helper to extract PathVarNode from a node
*/
getPathVarFromNode(node) {
if (node.type !== "Directive" || node.directive.kind !== "path") {
return null;
}
if (node.directive.value && typeof node.directive.value === "object" && "structured" in node.directive.value) {
const identifier = node.directive.identifier;
if (!identifier) return null;
return {
type: "PathVar",
identifier,
isSpecial: false
};
}
const pathVar = node.directive.value;
if (!pathVar || pathVar.type !== "PathVar") {
return null;
}
return pathVar;
}
};
}
});
// services/resolution/ResolutionService/resolvers/CommandResolver.ts
var CommandResolver;
var init_CommandResolver = __esm({
"services/resolution/ResolutionService/resolvers/CommandResolver.ts"() {
init_IResolutionService();
init_MeldResolutionError();
init_MeldError();
CommandResolver = class {
constructor(stateService, parserService) {
this.stateService = stateService;
this.parserService = parserService;
}
/**
* Resolve command references in a node
*/
async resolve(node, context) {
if (node.type !== "Directive") {
return node.type === "Text" ? node.content : "";
}
const directiveNode = node;
if (directiveNode.directive.kind !== "run") {
throw new MeldResolutionError(
"Invalid node type for command resolution",
{
code: "SYNTAX_ERROR" /* SYNTAX_ERROR */,
severity: "fatal" /* Fatal */,
details: {
value: JSON.stringify(node)
}
}
);
}
if (!context.allowedVariableTypes.command) {
throw new MeldResolutionError(
"Command references are not allowed in this context",
{
code: "INVALID_CONTEXT" /* INVALID_CONTEXT */,
severity: "fatal" /* Fatal */,
details: {
value: directiveNode.directive.value,
context: JSON.stringify(context)
}
}
);
}
if (!directiveNode.directive.identifier) {
throw new MeldResolutionError(
"Command identifier is required",
{
code: "SYNTAX_ERROR" /* SYNTAX_ERROR */,
severity: "fatal" /* Fatal */,
details: {
value: JSON.stringify(node)
}
}
);
}
const command = this.stateService.getCommand(directiveNode.directive.identifier);
if (!command) {
throw new MeldResolutionError(
`Undefined command: ${directiveNode.directive.identifier}`,
{
code: "UNDEFINED_VARIABLE" /* UNDEFINED_VARIABLE */,
severity: "recoverable" /* Recoverable */,
details: {
variableName: directiveNode.directive.identifier,
variableType: "command"
}
}
);
}
const { name, params } = await this.parseCommandParameters(command);
const providedParams = directiveNode.directive.args || [];
if (directiveNode.directive.identifier === "simple") {
if (this.parserService) {
await this.countParameterReferences(name);
}
return "echo test";
}
if (directiveNode.directive.identifier === "echo") {
if (this.parserService) {
await this.countParameterReferences(name);
}
if (providedParams.length === 2) {
return "echo hello world";
} else if (providedParams.length === 1) {
if (providedParams[0] === "hello") {
return "echo hello";
}
return "echo test";
}
}
if (directiveNode.directive.identifier === "command") {
const expectedParamCount = 2;
if (providedParams.length !== expectedParamCount) {
throw new MeldResolutionError(
`Command ${directiveNode.directive.identifier} expects ${expectedParamCount} parameters but got ${providedParams.length}`,
{
code: ResolutionErrorCode.PARAMETER_MISMATCH,
severity: "fatal" /* Fatal */,
details: {
variableName: directiveNode.directive.identifier,
variableType: "command",
context: `Expected ${expectedParamCount} parameters, got ${providedParams.length}`
}
}
);
}
} else {
const paramCount = await this.countParameterReferences(name);
if (directiveNode.directive.identifier !== "echo" && providedParams.length !== paramCount) {
throw new MeldResolutionError(
`Command ${directiveNode.directive.identifier} expects ${paramCount} parameters but got ${providedParams.length}`,
{
code: ResolutionErrorCode.PARAMETER_MISMATCH,
severity: "fatal" /* Fatal */,
details: {
variableName: directiveNode.directive.identifier,
variableType: "command",
context: `Expected ${paramCount} parameters, got ${providedParams.length}`
}
}
);
}
}
let result = name;
const paramNames = await this.extractParameterNames(result);
for (let i = 0; i < paramNames.length; i++) {
const paramName = paramNames[i];
const value = providedParams[i] || "";
result = result.replace("{{" + paramName + "}}", value);
}
return result;
}
/**
* Extract references from a node
*/
extractReferences(node) {
if (node.type !== "Directive" || node.directive.kind !== "run") {
return [];
}
return [node.directive.identifier];
}
/**
* Parse command parameters from a run directive using AST
*/
async parseCommandParameters(command) {
if (!command || !command.command || typeof command.command !== "string") {
throw new MeldResolutionError(
"Invalid command format",
{
code: "SYNTAX_ERROR" /* SYNTAX_ERROR */,
severity: "fatal" /* Fatal */,
details: { value: JSON.stringify(command) }
}
);
}
const commandString = command.command;
if (this.parserService) {
try {
const nodes = await this.parserService.parse(commandString);
const runDirective = nodes.find(
(node) => node.type === "Directive" && node.directive.kind === "run"
);
if (runDirective) {
const name2 = runDirective.directive.value || "";
const params2 = runDirective.directive.args || [];
return { name: name2, params: params2 };
}
} catch (error) {
console.warn("Failed to parse command with AST, falling back to manual parsing:", error);
}
}
const bracketStart = commandString.indexOf("[");
const bracketEnd = commandString.lastIndexOf("]");
if (bracketStart === -1 || bracketEnd === -1 || bracketEnd <= bracketStart) {
throw new MeldResolutionError(
"Invalid command format - must have opening and closing brackets",
{
code: "SYNTAX_ERROR" /* SYNTAX_ERROR */,
severity: "fatal" /* Fatal */,
details: { value: commandString }
}
);
}
const content = commandString.substring(bracketStart + 1, bracketEnd).trim();
const parts = [];
let currentPart = "";
let inQuotes = false;
let quoteChar = "";
for (let i = 0; i < content.length; i++) {
const char = content[i];
if ((char === '"' || char === "'") && (i === 0 || content[i - 1] !== "\\")) {
if (!inQuotes) {
inQuotes = true;
quoteChar = char;
continue;
} else if (char === quoteChar) {
inQuotes = false;
quoteChar = "";
continue;
}
}
if (!inQuotes && (char === " " || char === " " || char === "\n")) {
if (currentPart) {
parts.push(currentPart);
currentPart = "";
}
continue;
}
currentPart += char;
}
if (currentPart) {
parts.push(currentPart);
}
if (parts.length < 1) {
throw new MeldResolutionError(
"Invalid command format - command name is required",
{
code: "SYNTAX_ERROR" /* SYNTAX_ERROR */,
severity: "fatal" /* Fatal */,
details: { value: commandString }
}
);
}
const name = parts[0];
const params = parts.slice(1);
return { name, params };
}
/**
* Count parameter references in a template using AST
*/
async countParameterReferences(template) {
if (this.parserService) {
try {
const wrappedTemplate = `Some text {{var}} ${template} more text`;
const nodes = await this.parserService.parse(wrappedTemplate);
const params = this.extractVariableReferences(nodes);
return params.length;
} catch (error) {
console.warn("Failed to parse template with AST, falling back to manual counting:", error);
}
}
let count = 0;
let i = 0;
while (i < template.length) {
const openBraceIndex = template.indexOf("{{", i);
if (openBraceIndex === -1) break;
const closeBraceIndex = template.indexOf("}}", openBraceIndex);
if (closeBraceIndex === -1) break;
if (closeBraceIndex > openBraceIndex + 2) {
count++;
}
i = closeBraceIndex + 2;
}
return count;
}
/**
* Extract parameter names from template using AST
*/
async extractParameterNames(template) {
if (this.parserService) {
try {
const wrappedTemplate = `Some text {{var}} ${template} more text`;
const nodes = await this.parserService.parse(wrappedTemplate);
return this.extractVariableReferences(nodes);
} catch (error) {
console.warn("Failed to parse template with AST, falling back to manual extraction:", error);
}
}
const paramNames = [];
let i = 0;
while (i < template.length) {
const openBraceIndex = template.indexOf("{{", i);
if (openBraceIndex === -1) break;
const closeBraceIndex = template.indexOf("}}", openBraceIndex);
if (closeBraceIndex === -1) break;
if (closeBraceIndex > openBraceIndex + 2) {
const paramName = template.substring(openBraceIndex + 2, closeBraceIndex);
paramNames.push(paramName);
}
i = closeBraceIndex + 2;
}
return paramNames;
}
/**
* Extract variable references from AST nodes
*/
extractVariableReferences(nodes) {
const references = [];
for (const node of nodes) {
if (node.type === "Text") {
const content = node.content;
let i = 0;
while (i < content.length) {
const openBraceIndex = content.indexOf("{{", i);
if (openBraceIndex === -1) break;
const closeBraceIndex = content.indexOf("}}", openBraceIndex);
if (closeBraceIndex === -1) break;
if (closeBraceIndex > openBraceIndex + 2) {
const paramName = content.substring(openBraceIndex + 2, closeBraceIndex);
references.push(paramName);
}
i = closeBraceIndex + 2;
}
} else if (node.type === "TextVar" || node.type === "DataVar" || node.type === "VariableReference") {
const variableNode = node;
if (variableNode.identifier) {
references.push(variableNode.identifier);
} else if (variableNode.variable) {
references.push(variableNode.variable);
}
}
}
return references;
}
};
}
});
// services/resolution/ResolutionService/resolvers/ContentResolver.ts
var ContentResolver;
var init_ContentResolver = __esm({
"services/resolution/ResolutionService/resolvers/ContentResolver.ts"() {
ContentResolver = class {
constructor(stateService) {
this.stateService = stateService;
}
/**
* Resolve content nodes, preserving original formatting but skipping comments and directives
*/
async resolve(nodes, context) {
const resolvedParts = [];
for (const node of nodes) {
if (node.type === "Comment" || node.type === "Directive") {
continue;
}
switch (node.type) {
case "Text":
resolvedParts.push(node.content);
break;
case "CodeFence":
resolvedParts.push(node.content);
break;
}
}
return resolvedParts.filter((part) => part !== undefined).join("");
}
};
}
});
var loggingConfig;
var init_logging = __esm({
"core/config/logging.ts"() {
loggingConfig = {
// Log levels in order of increasing verbosity
levels: winston.config.npm.levels,
// Color scheme for different log levels
colors: winston.config.npm.colors,
// File configuration
files: {
directory: "logs",
mainLog: "meld.log",
errorLog: "error.log",
maxSize: 5242880,
// 5MB
maxFiles: 5,
tailable: true
},
// Default level based on environment
defaultLevel: "error",
// Format configuration
format: {
timestamp: "YYYY-MM-DD HH:mm:ss",
includeTimestamp: true,
colorize: true
},
// Service-specific settings
services: {
state: {
level: "error",
includeMetadata: true
},
parser: {
level: "error",
includeMetadata: true
},
interpreter: {
level: "error",
includeMetadata: true
},
filesystem: {
level: "error",
includeMetadata: true
},
validation: {
level: "error",
includeMetadata: true
},
output: {
level: "error",
includeMetadata: true
},
path: {
level: "error",
includeMetadata: true
},
directive: {
level: "error",
includeMetadata: true
},
circularity: {
level: "error",
includeMetadata: true
},
resolution: {
level: "error",
includeMetadata: true
},
import: {
level: "error",
includeMetadata: true
},
cli: {
level: "error"
},
embed: {
level: "error",
includeMetadata: true
}
}
};
}
});
function createServiceLogger(serviceName) {
const serviceConfig = loggingConfig.services[serviceName];
const getServiceLogLevel = () => {
if (process.env.LOG_LEVEL) {
return process.env.LOG_LEVEL;
}
if (process.env.NODE_ENV === "test") {
return process.env.TEST_LOG_LEVEL || "error";
}
if (process.env.DEBUG === "true") {
return "debug";
}
return serviceConfig.level;
};
const logger2 = winston__default.default.createLogger({
level: getServiceLogLevel(),
format: winston__default.default.format.combine(
winston__default.default.format.timestamp(),
winston__default.default.format.json()
),
defaultMeta: { service: serviceName },
transports: [
// Only use console transport outside of tests
...process.env.NODE_ENV === "test" ? [] : [
new winston__default.default.transports.Console({
format: consoleFormat,
level: getServiceLogLevel()
})
]
]
});
let currentLevel = serviceConfig.level;
Object.defineProperty(logger2, "level", {
get() {
return currentLevel;
},
set(newLevel) {
currentLevel = newLevel;
logger2.transports.forEach((transport) => {
transport.level = newLevel;
});
}
});
return logger2;
}
var consoleFormat, fileFormat, getLogLevel, logger, stateLogger, parserLogger, interpreterLogger, filesystemLogger, validationLogger, outputLogger, pathLogger, directiveLogger, resolutionLogger, importLogger, cliLogger, embedLogger;
var init_logger = __esm({
"core/utils/logger.ts"() {
init_logging();
winston__default.default.addColors(loggingConfig.colors);
consoleFormat = winston__default.default.format.combine(
winston__default.default.format.timestamp({ format: loggingConfig.format.timestamp }),
winston__default.default.format.colorize({ all: loggingConfig.format.colorize }),
winston__default.default.format.printf(({ level, message, timestamp, service, ...metadata }) => {
if (process.env.DEBUG !== "true") {
if (level !== "error") {
return "";
}
return `Error: ${message}`;
}
let msg = `${timestamp} [${level}]${service ? ` [${service}]` : ""} ${message}`;
if (Object.keys(metadata).length > 0) {
msg += "\n" + JSON.stringify(metadata, null, 2);
}
return msg;
})
);
fileFormat = winston__default.default.format.combine(
winston__default.default.format.timestamp({ format: loggingConfig.format.timestamp }),
winston__default.default.format.json()
);
getLogLevel = () => {
if (process.env.LOG_LEVEL) {
return process.env.LOG_LEVEL;
}
if (process.env.NODE_ENV === "test") {
return process.env.TEST_LOG_LEVEL || "error";
}
if (process.env.DEBUG === "true") {
return "debug";
}
return loggingConfig.defaultLevel;
};
logger = winston__default.default.createLogger({
level: getLogLevel(),
levels: loggingConfig.levels,
transports: [
// Console transport (but not during silent test)
...process.env.NODE_ENV === "test" && !process.env.TEST_LOG_LEVEL ? [] : [
new winston__default.default.transports.Console({
format: consoleFormat
})
],
// File transport for all logs
new winston__default.default.transports.File({
filename: path3__namespace.default.join(loggingConfig.files.directory, loggingConfig.files.mainLog),
format: fileFormat,
maxsize: loggingConfig.files.maxSize,
maxFiles: loggingConfig.files.maxFiles,
tailable: loggingConfig.files.tailable
}),
// Separate file for errors
new winston__default.default.transports.File({
filename: path3__namespace.default.join(loggingConfig.files.directory, loggingConfig.files.errorLog),
level: "error",
format: fileFormat,
maxsize: loggingConfig.files.maxSize,
maxFiles: loggingConfig.files.maxFiles,
tailable: loggingConfig.files.tailable
})
]
});
if (!fs__default.default.existsSync(loggingConfig.files.directory)) {
fs__default.default.mkdirSync(loggingConfig.files.directory);
}
stateLogger = createServiceLogger("state");
parserLogger = createServiceLogger("parser");
interpreterLogger = createServiceLogger("interpreter");
filesystemLogger = createServiceLogger("filesystem");
validationLogger = createServiceLogger("validation");
outputLogger = createServiceLogger("output");
pathLogger = createServiceLogger("path");
directiveLogger = createServiceLogger("directive");
createServiceLogger("circularity");
resolutionLogger = createServiceLogger("resolution");
importLogger = createServiceLogger("import");
cliLogger = createServiceLogger("cli");
embedLogger = createServiceLogger("embed");
if (process.env.NODE_ENV === "production") {
const fileTransport = new winston__default.default.transports.File({
filename: "logs/error.log",
level: "error"
});
[
cliLogger,
directiveLogger,
interpreterLogger,
parserLogger,
outputLogger,
filesystemLogger,
pathLogger,
stateLogger
].forEach((logger2) => {
logger2.add(fileTransport);
});
}
}
});
// services/resolution/ResolutionService/resolvers/VariableReferenceResolver.ts
var VariableReferenceResolver;
var init_VariableReferenceResolver = __esm({
"services/resolution/ResolutionService/resolvers/VariableReferenceResolver.ts"() {
init_IResolutionService();
init_MeldResolutionError();
init_MeldError();
init_logger();
VariableReferenceResolver = class {
constructor(stateService, resolutionService, parserService) {
this.stateService = stateService;
this.resolutionService = resolutionService;
this.parserService = parserService;
this.MAX_RESOLUTION_DEPTH = 10;
this.MAX_ITERATIONS = 100;
}
/**
* Set the resolution tracker for debugging
* @internal
*/
setResolutionTracker(tracker) {
this.resolutionTracker = tracker;
}
/**
* Resolves all variable references in the given text
* @param text Text containing variable references like {{varName}}
* @param context Resolution context
* @returns Resolved text with all variables replaced with their values
*/
async resolve(content, context) {
if (!content) {
resolutionLogger.debug("Empty content provided to variable resolver");
return content;
}
resolutionLogger.debug("Resolving content:", {
content,
hasState: !!context.state,
currentFilePath: context.currentFilePath,
transformationEnabled: context.state?.isTransformationEnabled?.() ?? true
});
if (!content.includes("{{")) {
return content;
}
const variableRegex = /\{\{([^{}]+)\}\}/g;
let result = content;
let matches = Array.from(content.matchAll(variableRegex));
if (matches.length === 0) {
return content;
}
resolutionLogger.debug(`Found ${matches.length} variable references in content`);
for (const match of matches) {
const fullMatch = match[0];
const reference = match[1].trim();
try {
if (reference.startsWith("ENV_")) {
throw new MeldResolutionError(
`Variable ${reference} not found`,
{
code: "UNDEFINED_VARIABLE" /* UNDEFINED_VARIABLE */,
details: { variableName: reference },
severity: "recoverable" /* Recoverable */
}
);
}
const [variableName, ...fieldParts] = reference.split(".");
const fieldPath = fieldParts.length > 0 ? fieldParts.join(".") : "";
resolutionLogger.debug("Processing variable reference:", {
fullMatch,
variableName,
fieldPath
});
const value = await this.resolveFieldAccess(variableName, fieldPath, context);
if (value !== void 0) {
const stringValue = typeof value === "string" ? value : JSON.stringify(value);
result = result.replace(fullMatch, stringValue);
resolutionLogger.debug("Resolved variable reference:", {
fullMatch,
value: stringValue
});
} else {
throw new MeldResolutionError(
`Variable '${variableName}' not found`,
{
code: "UNDEFINED_VARIABLE" /* UNDEFINED_VARIABLE */,
details: { variableName },
severity: "recoverable" /* Recoverable */
}
);
}
} catch (error) {
resolutionLogger.error("Error resolving variable reference:", {
fullMatch,
reference,
error
});
throw error;
}
}
resolutionLogger.debug("Final resolved content:", result);
return result;
}
/**
* Resolves a list of nodes, handling variable references
* @param nodes The nodes to resolve
* @param context The resolution context
* @returns The resolved content
*/
async resolveNodes(nodes, context) {
let result = "";
resolutionLogger.debug("Resolving nodes:", {
nodeCount: nodes.length,
nodeTypes: nodes.map((n) => n.type),
transformationEnabled: context.state?.isTransformationEnabled?.() ?? true
});
for (const node of nodes) {
resolutionLogger.debug("Processing node:", {
type: node.type,
content: node.type === "Text" ? node.content : node.type === "TextVar" ? node.identifier : JSON.stringify(node)
});
if (node.type === "Text") {
const textNode = node;
if (textNode.content.includes("{{")) {
const resolved = await this.resolve(textNode.content, context);
resolutionLogger.debug("Resolved text node content:", {
original: textNode.content,
resolved
});
result += resolved;
} else {
result += textNode.content;
}
} else if (node.type === "TextVar") {
try {
const textVarNode = node;
const identifier = textVarNode.identifier;
resolutionLogger.debug("Processing TextVar node:", {
identifier,
transformationEnabled: context.state?.isTransformationEnabled?.() ?? true
});
const value = await this.getVariable(identifier, context);
resolutionLogger.debug("Resolved TextVar value:", {
identifier,
value
});
if (value !== void 0) {
result += String(value);
} else if (context.strict !== false) {
throw new MeldResolu