Move field display value proxy to grafana-data

2020-04-15 14:36:35 +02:00
parent eb6945f92a
commit aced9de56d
3 changed files with 0 additions and 101 deletions
@@ -1,66 +0,0 @@
-import { toDataFrame, applyFieldOverrides, GrafanaTheme } from '@grafana/data';
-import { getFieldDisplayValuesProxy } from './fieldDisplayValuesProxy';
-
-describe('getFieldDisplayValuesProxy', () => {
-  const data = applyFieldOverrides({
-    data: [
-      toDataFrame({
-        fields: [
-          { name: 'Time', values: [1, 2, 3] },
-          {
-            name: 'power',
-            values: [100, 200, 300],
-            config: {
-              title: 'The Power',
-            },
-          },
-          {
-            name: 'Last',
-            values: ['a', 'b', 'c'],
-          },
-        ],
-      }),
-    ],
-    fieldConfig: {
-      defaults: {},
-      overrides: [],
-    },
-    replaceVariables: (val: string) => val,
-    timeZone: 'utc',
-    theme: {} as GrafanaTheme,
-    autoMinMax: true,
-  })[0];
-
-  it('should define all display functions', () => {
-    // Field display should be set
-    for (const field of data.fields) {
-      expect(field.display).toBeDefined();
-    }
-  });
-
-  it('should format the time values in UTC', () => {
-    // Test Proxies in general
-    const p = getFieldDisplayValuesProxy(data, 0);
-    const time = p.Time;
-    expect(time.numeric).toEqual(1);
-    expect(time.text).toEqual('1970-01-01 00:00:00');
-
-    // Should get to the same values by name or index
-    const time2 = p[0];
-    expect(time2.toString()).toEqual(time.toString());
-  });
-
-  it('Lookup by name, index, or title', () => {
-    const p = getFieldDisplayValuesProxy(data, 2);
-    expect(p.power.numeric).toEqual(300);
-    expect(p['power'].numeric).toEqual(300);
-    expect(p['The Power'].numeric).toEqual(300);
-    expect(p[1].numeric).toEqual(300);
-  });
-
-  it('should return undefined when missing', () => {
-    const p = getFieldDisplayValuesProxy(data, 0);
-    expect(p.xyz).toBeUndefined();
-    expect(p[100]).toBeUndefined();
-  });
-});
@@ -1,35 +0,0 @@
-import { DisplayValue, DataFrame, formattedValueToString, getDisplayProcessor } from '@grafana/data';
-import { config } from '@grafana/runtime';
-import toNumber from 'lodash/toNumber';
-
-export function getFieldDisplayValuesProxy(frame: DataFrame, rowIndex: number): Record<string, DisplayValue> {
-  return new Proxy({} as Record<string, DisplayValue>, {
-    get: (obj: any, key: string) => {
-      // 1. Match the name
-      let field = frame.fields.find(f => key === f.name);
-      if (!field) {
-        // 2. Match the array index
-        const k = toNumber(key);
-        field = frame.fields[k];
-      }
-      if (!field) {
-        // 3. Match the title
-        field = frame.fields.find(f => key === f.config.title);
-      }
-      if (!field) {
-        return undefined;
-      }
-      if (!field.display) {
-        // Lazy load the display processor
-        field.display = getDisplayProcessor({
-          field,
-          theme: config.theme,
-        });
-      }
-      const raw = field.values.get(rowIndex);
-      const disp = field.display(raw);
-      disp.toString = () => formattedValueToString(disp);
-      return disp;
-    },
-  });
-}