@baseplate-dev/sync/dist/output/string-merge-algorithms/yaml.js

Library for syncing Baseplate descriptions

import { parse } from 'yaml';
import { yamlDiffPatch } from 'yaml-diff-patch';
/**
 * Merges YAML strings using a 3-way merge algorithm
 */
export const yamlMergeAlgorithm = (input) => {
    try {
        // Parse YAML strings to JSON objects
        const originalJson = parse(input.previousGeneratedText);
        const newJson = parse(input.currentGeneratedText);
        const existingYaml = input.previousWorkingText;
        // Use yamlDiffPatch to apply the JSON diff as a patch to the YAML
        // This preserves whitespace, comments, and structure
        const result = yamlDiffPatch(existingYaml, originalJson, newJson);
        return {
            mergedText: result,
            hasConflict: false,
        };
    }
    catch {
        // default to merge strings method if patching fails
        return null;
    }
};
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