n8n-nodes-base/dist/nodes/Code/JsCodeValidator.js

Base nodes of n8n

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.validateNoDisallowedMethodsInRunForEach = validateNoDisallowedMethodsInRunForEach;
exports.mapItemsNotDefinedErrorIfNeededForRunForAll = mapItemsNotDefinedErrorIfNeededForRunForAll;
exports.mapItemNotDefinedErrorIfNeededForRunForEach = mapItemNotDefinedErrorIfNeededForRunForEach;
const ValidationError_1 = require("./ValidationError");
/**
 * Validates that no disallowed methods are used in the
 * runCodeForEachItem JS code. Throws `ValidationError` if
 * a disallowed method is found.
 */
function validateNoDisallowedMethodsInRunForEach(code, itemIndex) {
    const match = code.match(/\$input\.(?<disallowedMethod>first|last|all|itemMatching)/);
    if (match?.groups?.disallowedMethod) {
        const { disallowedMethod } = match.groups;
        const lineNumber = code.split('\n').findIndex((line) => {
            line = line.trimStart();
            return (line.includes(disallowedMethod) &&
                !line.startsWith('//') &&
                !line.startsWith('/*') &&
                !line.startsWith('*'));
        }) + 1;
        const disallowedMethodFound = lineNumber !== 0;
        if (disallowedMethodFound) {
            throw new ValidationError_1.ValidationError({
                message: `Can't use .${disallowedMethod}() here`,
                description: "This is only available in 'Run Once for All Items' mode",
                itemIndex,
                lineNumber,
            });
        }
    }
}
/**
 * Checks if the error message indicates that `items` is not defined and
 * modifies the error message to suggest using `$input.all()`.
 */
function mapItemsNotDefinedErrorIfNeededForRunForAll(code, error) {
    // anticipate user expecting `items` to pre-exist as in Function Item node
    if (error.message === 'items is not defined' && !/(let|const|var) +items +=/.test(code)) {
        const quoted = error.message.replace('items', '`items`');
        error.message = quoted + '. Did you mean `$input.all()`?';
    }
}
/**
 * Maps the "item is not defined" error message to provide a more helpful suggestion
 * for users who may expect `items` to pre-exist
 */
function mapItemNotDefinedErrorIfNeededForRunForEach(code, error) {
    // anticipate user expecting `items` to pre-exist as in Function Item node
    if (error.message === 'item is not defined' && !/(let|const|var) +item +=/.test(code)) {
        const quoted = error.message.replace('item', '`item`');
        error.message = quoted + '. Did you mean `$input.item.json`?';
    }
}
//# sourceMappingURL=JsCodeValidator.js.map