31928fd124
ConfigManager.migrateConfig() was called but never defined — would crash at runtime. Added config version checking, migration support, and fixed createEndpoint indentation. New formatters module (csv, influxdb, json) for pluggable output formatting. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
/**
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* CSV formatter
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* Produces a single CSV line: timestamp,measurement,field1=val1,field2=val2,...
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*
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* Values are escaped if they contain commas or quotes.
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*
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* @param {string} measurement - The measurement name (e.g. node name)
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* @param {object} metadata - { fields, tags }
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* - fields: key/value pairs of changed data points
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* - tags: flat key/value string pairs (included as columns)
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* @returns {string} CSV-formatted line
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*/
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function format(measurement, metadata) {
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const { fields, tags } = metadata;
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const timestamp = new Date().toISOString();
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const parts = [escapeCSV(timestamp), escapeCSV(measurement)];
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// Append tags first, then fields
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if (tags) {
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for (const key of Object.keys(tags).sort()) {
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parts.push(escapeCSV(`${key}=${tags[key]}`));
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}
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}
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for (const key of Object.keys(fields).sort()) {
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parts.push(escapeCSV(`${key}=${fields[key]}`));
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}
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return parts.join(',');
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}
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/**
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* Escapes a value for safe inclusion in a CSV field.
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* Wraps in double quotes if the value contains a comma, quote, or newline.
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*/
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function escapeCSV(value) {
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const str = String(value);
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if (str.includes(',') || str.includes('"') || str.includes('\n')) {
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return '"' + str.replace(/"/g, '""') + '"';
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}
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return str;
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}
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module.exports = { format };
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