n8n-mcp
Version:
Integration between n8n workflow automation and Model Context Protocol (MCP)
88 lines • 2.64 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.isExpression = isExpression;
exports.containsExpression = containsExpression;
exports.shouldSkipLiteralValidation = shouldSkipLiteralValidation;
exports.extractExpressionContent = extractExpressionContent;
exports.extractBracketExpressions = extractBracketExpressions;
exports.hasDanglingOpenBracket = hasDanglingOpenBracket;
exports.hasBracketExpression = hasBracketExpression;
exports.hasMixedContent = hasMixedContent;
function isExpression(value) {
return typeof value === 'string' && value.startsWith('=');
}
function containsExpression(value) {
if (typeof value !== 'string') {
return false;
}
return /\{\{.*\}\}/s.test(value);
}
function shouldSkipLiteralValidation(value) {
return isExpression(value) || containsExpression(value);
}
function extractExpressionContent(value) {
if (!isExpression(value)) {
return value;
}
const withoutPrefix = value.substring(1);
const match = withoutPrefix.match(/^\{\{(.+)\}\}$/s);
if (match) {
return match[1].trim();
}
return withoutPrefix;
}
function extractBracketExpressions(value) {
if (typeof value !== 'string')
return [];
const results = [];
let i = 0;
while (i < value.length) {
const start = value.indexOf('{{', i);
if (start === -1)
break;
const end = value.indexOf('}}', start + 2);
if (end === -1)
break;
results.push(value.slice(start, end + 2));
i = end + 2;
}
return results;
}
function hasDanglingOpenBracket(value) {
let cursor = 0;
while (cursor < value.length) {
const start = value.indexOf('{{', cursor);
if (start === -1)
return false;
const end = value.indexOf('}}', start + 2);
if (end === -1)
return true;
cursor = end + 2;
}
return false;
}
function hasBracketExpression(value) {
if (typeof value !== 'string')
return false;
const start = value.indexOf('{{');
if (start === -1)
return false;
return value.indexOf('}}', start + 2) !== -1;
}
function hasMixedContent(value) {
if (typeof value !== 'string') {
return false;
}
if (!containsExpression(value)) {
return false;
}
const trimmed = value.trim();
if (trimmed.startsWith('={{') && trimmed.endsWith('}}')) {
const count = (trimmed.match(/\{\{/g) || []).length;
if (count === 1) {
return false;
}
}
return true;
}
//# sourceMappingURL=expression-utils.js.map