{"version":3,"file":"displayProcessor.cjs","sources":["../../../src/field/displayProcessor.ts"],"sourcesContent":["// Libraries\nimport { toString, toNumber as _toNumber, isEmpty, isBoolean, isArray, join } from 'lodash';\n\n// Types\nimport { getFieldTypeFromValue } from '../dataframe/processDataFrame';\nimport { toUtc } from '../datetime/moment_wrapper';\nimport { dateTimeParse } from '../datetime/parser';\nimport { GrafanaTheme2 } from '../themes/types';\nimport { KeyValue } from '../types/data';\nimport { Field, FieldType } from '../types/dataFrame';\nimport { DecimalCount, DisplayProcessor, DisplayValue } from '../types/displayValue';\nimport { TimeZone } from '../types/time';\nimport { anyToNumber } from '../utils/anyToNumber';\nimport { getValueMappingResult } from '../utils/valueMappings';\nimport { FormattedValue, getValueFormat, isBooleanUnit } from '../valueFormats/valueFormats';\n\nimport { getScaleCalculator } from './scale';\n\ninterface DisplayProcessorOptions {\n field: Partial;\n /**\n * Will pick browser timezone if not defined\n */\n timeZone?: TimeZone;\n /**\n * Will pick 'dark' if not defined\n */\n theme: GrafanaTheme2;\n}\n\n// Reasonable units for time\nconst timeFormats: KeyValue = {\n dateTimeAsIso: true,\n dateTimeAsIsoNoDateIfToday: true,\n dateTimeAsUS: true,\n dateTimeAsUSNoDateIfToday: true,\n dateTimeAsLocal: true,\n dateTimeAsLocalNoDateIfToday: true,\n dateTimeFromNow: true,\n};\n\nexport function getDisplayProcessor(options?: DisplayProcessorOptions): DisplayProcessor {\n if (!options || isEmpty(options) || !options.field) {\n return toStringProcessor;\n }\n\n const field = options.field as Field;\n const config = field.config ?? {};\n const { palette } = options.theme.visualization;\n\n let unit = config.unit;\n let hasDateUnit = Boolean(unit && (timeFormats[unit] || unit.startsWith('time:')));\n let showMs = false;\n\n if (field.type === FieldType.time && !hasDateUnit) {\n unit = `dateTimeAsSystem`;\n hasDateUnit = true;\n if (field.values && field.values.length > 1) {\n let start = field.values[0];\n let end = field.values[field.values.length - 1];\n if (typeof start === 'string') {\n start = dateTimeParse(start).unix();\n end = dateTimeParse(end).unix();\n } else {\n start /= 1e3;\n end /= 1e3;\n }\n showMs = Math.abs(end - start) < 60; //show ms when minute or less\n }\n } else if (field.type === FieldType.boolean) {\n if (!isBooleanUnit(unit)) {\n unit = 'bool';\n }\n } else if (!unit && field.type === FieldType.string) {\n unit = 'string';\n }\n\n const hasCurrencyUnit = unit?.startsWith('currency');\n const hasBoolUnit = isBooleanUnit(unit);\n const isNumType = field.type === FieldType.number;\n const isLocaleFormat = unit === 'locale';\n const canTrimTrailingDecimalZeros =\n !hasDateUnit && !hasCurrencyUnit && !hasBoolUnit && !isLocaleFormat && isNumType && config.decimals == null;\n\n const formatFunc = getValueFormat(unit || 'none');\n const scaleFunc = getScaleCalculator(field, options.theme);\n\n return (value: unknown, adjacentDecimals?: DecimalCount) => {\n const { mappings } = config;\n const isStringUnit = unit === 'string';\n\n if (hasDateUnit && typeof value === 'string') {\n value = toUtc(value).valueOf();\n }\n\n let numeric = isStringUnit ? NaN : anyToNumber(value);\n let text: string | undefined;\n let prefix: string | undefined;\n let suffix: string | undefined;\n let color: string | undefined;\n let icon: string | undefined;\n let percent: number | undefined;\n\n if (mappings && mappings.length > 0) {\n const mappingResult = getValueMappingResult(mappings, value);\n\n if (mappingResult) {\n if (mappingResult.text != null) {\n text = mappingResult.text;\n }\n\n if (mappingResult.color != null) {\n color = options.theme.visualization.getColorByName(mappingResult.color);\n }\n\n if (mappingResult.icon != null) {\n icon = mappingResult.icon;\n }\n }\n } else if (field.type === FieldType.enum) {\n // Apply enum display handling if field is enum type and no mappings are specified\n if (value == null) {\n return {\n text: '',\n numeric: NaN,\n };\n }\n\n const enumIndex = +value;\n if (config && config.type && config.type.enum) {\n const { text: enumText, color: enumColor } = config.type.enum;\n\n text = enumText ? enumText[enumIndex] : `${value}`;\n // If no color specified in enum field config we will fallback to iterating through the theme palette\n color = enumColor ? enumColor[enumIndex] : undefined;\n\n if (color == null) {\n const namedColor = palette[enumIndex % palette.length];\n color = options.theme.visualization.getColorByName(namedColor);\n }\n }\n }\n\n if (!Number.isNaN(numeric)) {\n if (text == null && !isBoolean(value)) {\n let v: FormattedValue;\n\n if (canTrimTrailingDecimalZeros && adjacentDecimals != null) {\n v = formatFunc(numeric, adjacentDecimals, null, options.timeZone, showMs);\n\n // if no explicit decimals config, we strip trailing zeros e.g. 60.00 -> 60\n // this is needed because we may have determined the minimum determined `adjacentDecimals` for y tick increments based on\n // e.g. 'seconds' field unit (0.15s, 0.20s, 0.25s), but then formatFunc decided to return milli or nanos (150, 200, 250)\n // so we end up with excess precision: 150.00, 200.00, 250.00\n // #73795 - some units, like duration formats, return text which cannot be coerced back into a number safely at this point.\n const asNum = +v.text;\n if (!Number.isNaN(asNum)) {\n v.text = asNum + '';\n }\n } else {\n v = formatFunc(numeric, config.decimals, null, options.timeZone, showMs);\n }\n\n text = v.text;\n suffix = v.suffix;\n prefix = v.prefix;\n }\n\n // Return the value along with scale info\n if (color == null) {\n const scaleResult = scaleFunc(numeric);\n color = scaleResult.color;\n percent = scaleResult.percent;\n }\n }\n\n if (text == null && isArray(value)) {\n text = join(value, ', ');\n }\n\n if (text == null) {\n text = toString(value);\n if (!text) {\n if (config.noValue) {\n text = config.noValue;\n } else {\n text = ''; // No data?\n }\n }\n }\n\n if (!color) {\n const scaleResult = scaleFunc(-Infinity);\n color = scaleResult.color;\n percent = scaleResult.percent;\n }\n\n const display: DisplayValue = {\n text,\n numeric,\n prefix,\n suffix,\n color,\n };\n\n if (icon != null) {\n display.icon = icon;\n }\n\n if (percent != null) {\n display.percent = percent;\n }\n\n return display;\n };\n}\n\nfunction toStringProcessor(value: unknown): DisplayValue {\n return { text: toString(value), numeric: anyToNumber(value) };\n}\n\nexport function getRawDisplayProcessor(): DisplayProcessor {\n return (value: unknown) => ({\n text: getFieldTypeFromValue(value) === 'other' ? `${JSON.stringify(value, getCircularReplacer())}` : `${value}`,\n numeric: null as unknown as number,\n });\n}\n\nconst getCircularReplacer = () => {\n const seen = new WeakSet();\n return (_key: string, value: object | null) => {\n if (typeof value === 'object' && value !== null) {\n if (seen.has(value)) {\n return;\n }\n seen.add(value);\n }\n return value;\n 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