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30 lines
707 B
TypeScript
30 lines
707 B
TypeScript
import { DataFrame, FieldType } from '@grafana/data';
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import {
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isHistogramFrameBucketMinFieldName,
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isHistogramFrameBucketMaxFieldName,
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} from '@grafana/data/src/transformations/transformers/histogram';
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export function originalDataHasHistogram(frames?: DataFrame[]): boolean {
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if (frames?.length !== 1) {
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return false;
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}
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const frame = frames[0];
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if (frame.fields.length < 3) {
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return false;
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}
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if (
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!isHistogramFrameBucketMinFieldName(frame.fields[0].name) ||
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!isHistogramFrameBucketMaxFieldName(frame.fields[1].name)
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) {
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return false;
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}
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for (const field of frame.fields) {
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if (field.type !== FieldType.number) {
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return false;
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}
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}
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return true;
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}
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