Migrate gfunc to ts (#9973)

* migrated gfunc from js to ts

* deleted gfunc.js, small fixes in gfunc.ts

public/app/plugins/datasource/graphite/gfunc.js

@@ -1,981 +0,0 @@
-define([
-  'lodash',
-  'jquery',
-  'app/core/utils/version'
-],
-function (_, $, version) {
-  'use strict';
-
-  var index = [];
-  var categories = {
-    Combine: [],
-    Transform: [],
-    Calculate: [],
-    Filter: [],
-    Special: []
-  };
-
-  function addFuncDef(funcDef) {
-    funcDef.params = funcDef.params || [];
-    funcDef.defaultParams = funcDef.defaultParams || [];
-
-    if (funcDef.category) {
-      funcDef.category.push(funcDef);
-    }
-    index[funcDef.name] = funcDef;
-    index[funcDef.shortName || funcDef.name] = funcDef;
-  }
-
-  var optionalSeriesRefArgs = [
-    { name: 'other', type: 'value_or_series', optional: true },
-    { name: 'other', type: 'value_or_series', optional: true },
-    { name: 'other', type: 'value_or_series', optional: true },
-    { name: 'other', type: 'value_or_series', optional: true },
-    { name: 'other', type: 'value_or_series', optional: true }
-  ];
-
-  addFuncDef({
-    name: 'scaleToSeconds',
-    category: categories.Transform,
-    params: [{ name: 'seconds', type: 'int' }],
-    defaultParams: [1],
-  });
-
-  addFuncDef({
-    name: 'perSecond',
-    category: categories.Transform,
-    params: [{ name: "max value", type: "int", optional: true }],
-    defaultParams: [],
-  });
-
-  addFuncDef({
-    name: "holtWintersForecast",
-    category: categories.Calculate,
-  });
-
-  addFuncDef({
-    name: "holtWintersConfidenceBands",
-    category: categories.Calculate,
-    params: [{ name: "delta", type: 'int' }],
-    defaultParams: [3]
-  });
-
-  addFuncDef({
-    name: "holtWintersAberration",
-    category: categories.Calculate,
-    params: [{ name: "delta", type: 'int' }],
-    defaultParams: [3]
-  });
-
-  addFuncDef({
-    name: "nPercentile",
-    category: categories.Calculate,
-    params: [{ name: "Nth percentile", type: 'int' }],
-    defaultParams: [95]
-  });
-
-  addFuncDef({
-    name: 'diffSeries',
-    params: optionalSeriesRefArgs,
-    defaultParams: ['#A'],
-    category: categories.Calculate,
-  });
-
-  addFuncDef({
-    name: 'stddevSeries',
-    params: optionalSeriesRefArgs,
-    defaultParams: [''],
-    category: categories.Calculate,
-  });
-
-  addFuncDef({
-    name: 'divideSeries',
-    params: optionalSeriesRefArgs,
-    defaultParams: ['#A'],
-    category: categories.Calculate,
-  });
-
-  addFuncDef({
-    name: 'multiplySeries',
-    params: optionalSeriesRefArgs,
-    defaultParams: ['#A'],
-    category: categories.Calculate,
-  });
-
-  addFuncDef({
-    name: 'asPercent',
-    params: optionalSeriesRefArgs,
-    defaultParams: ['#A'],
-    category: categories.Calculate,
-  });
-
-  addFuncDef({
-    name: 'group',
-    params: optionalSeriesRefArgs,
-    defaultParams: ['#A', '#B'],
-    category: categories.Combine,
-  });
-
-  addFuncDef({
-    name: 'sumSeries',
-    shortName: 'sum',
-    category: categories.Combine,
-    params: optionalSeriesRefArgs,
-    defaultParams: [''],
-  });
-
-  addFuncDef({
-    name: 'averageSeries',
-    shortName: 'avg',
-    category: categories.Combine,
-    params: optionalSeriesRefArgs,
-    defaultParams: [''],
-  });
-
-  addFuncDef({
-    name: 'rangeOfSeries',
-    category: categories.Combine
-  });
-
-  addFuncDef({
-    name: 'percentileOfSeries',
-    category: categories.Combine,
-    params: [{ name: 'n', type: 'int' }, { name: 'interpolate', type: 'boolean', options: ['true', 'false'] }],
-    defaultParams: [95, 'false']
-  });
-
-  addFuncDef({
-    name: 'sumSeriesWithWildcards',
-    category: categories.Combine,
-    params: [
-      { name: "node", type: "int" },
-      { name: "node", type: "int", optional: true },
-      { name: "node", type: "int", optional: true },
-      { name: "node", type: "int", optional: true }
-    ],
-    defaultParams: [3]
-  });
-
-  addFuncDef({
-    name: 'maxSeries',
-    shortName: 'max',
-    category: categories.Combine,
-  });
-
-  addFuncDef({
-    name: 'minSeries',
-    shortName: 'min',
-    category: categories.Combine,
-  });
-
-  addFuncDef({
-    name: 'averageSeriesWithWildcards',
-    category: categories.Combine,
-    params: [
-      { name: "node", type: "int" },
-      { name: "node", type: "int", optional: true },
-    ],
-    defaultParams: [3]
-  });
-
-  addFuncDef({
-    name: "alias",
-    category: categories.Special,
-    params: [{ name: "alias", type: 'string' }],
-    defaultParams: ['alias']
-  });
-
-  addFuncDef({
-    name: "aliasSub",
-    category: categories.Special,
-    params: [{ name: "search", type: 'string' }, { name: "replace", type: 'string' }],
-    defaultParams: ['', '\\1']
-  });
-
-  addFuncDef({
-    name: "stacked",
-    category: categories.Special,
-    params: [{ name: "stack", type: 'string' }],
-    defaultParams: ['stacked']
-  });
-
-  addFuncDef({
-    name: "consolidateBy",
-    category: categories.Special,
-    params: [
-      {
-        name: 'function',
-        type: 'string',
-        options: ['sum', 'average', 'min', 'max']
-      }
-    ],
-    defaultParams: ['max']
-  });
-
-  addFuncDef({
-    name: "cumulative",
-    category: categories.Special,
-    params: [],
-    defaultParams: []
-  });
-
-  addFuncDef({
-    name: "groupByNode",
-    category: categories.Special,
-    params: [
-      {
-        name: "node",
-        type: "int",
-        options: [0,1,2,3,4,5,6,7,8,9,10,12]
-      },
-      {
-        name: "function",
-        type: "string",
-        options: ['sum', 'avg', 'maxSeries']
-      }
-    ],
-    defaultParams: [3, "sum"]
-  });
-
-  addFuncDef({
-    name: 'aliasByNode',
-    category: categories.Special,
-    params: [
-      { name: "node", type: "int", options: [0,1,2,3,4,5,6,7,8,9,10,12] },
-      { name: "node", type: "int", options: [0,-1,-2,-3,-4,-5,-6,-7], optional: true },
-      { name: "node", type: "int", options: [0,-1,-2,-3,-4,-5,-6,-7], optional: true },
-      { name: "node", type: "int", options: [0,-1,-2,-3,-4,-5,-6,-7], optional: true },
-    ],
-    defaultParams: [3]
-  });
-
-  addFuncDef({
-    name: 'substr',
-    category: categories.Special,
-    params: [
-      { name: "start", type: "int", options: [-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,12] },
-      { name: "stop", type: "int", options: [-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,12] },
-    ],
-    defaultParams: [0, 0]
-  });
-
-  addFuncDef({
-    name: 'sortByName',
-    category: categories.Special,
-    params: [{ name: 'natural', type: 'boolean', options: ['true', 'false'], optional: true }],
-    defaultParams: ['false']
-  });
-
-  addFuncDef({
-    name: 'sortByMaxima',
-    category: categories.Special
-  });
-
-  addFuncDef({
-    name: 'sortByMinima',
-    category: categories.Special
-  });
-
-  addFuncDef({
-    name: 'sortByTotal',
-    category: categories.Special
-  });
-
-  addFuncDef({
-    name: 'aliasByMetric',
-    category: categories.Special,
-  });
-
-  addFuncDef({
-    name: 'randomWalk',
-    fake: true,
-    category: categories.Special,
-    params: [{ name: "name", type: "string", }],
-    defaultParams: ['randomWalk']
-  });
-
-  addFuncDef({
-    name: 'countSeries',
-    category: categories.Special
-  });
-
-  addFuncDef({
-    name: 'constantLine',
-    category: categories.Special,
-    params: [{ name: "value", type: "int", }],
-    defaultParams: [10]
-  });
-
-  addFuncDef({
-    name: 'cactiStyle',
-    category: categories.Special,
-  });
-
-  addFuncDef({
-    name: 'keepLastValue',
-    category: categories.Special,
-    params: [{ name: "n", type: "int", }],
-    defaultParams: [100]
-  });
-
-  addFuncDef({
-    name: "changed",
-    category: categories.Special,
-    params: [],
-    defaultParams: []
-  });
-
-  addFuncDef({
-    name: 'scale',
-    category: categories.Transform,
-    params: [{ name: "factor", type: "int", }],
-    defaultParams: [1]
-  });
-
-  addFuncDef({
-    name: 'offset',
-    category: categories.Transform,
-    params: [{ name: "amount", type: "int", }],
-    defaultParams: [10]
-  });
-
-  addFuncDef({
-    name: 'transformNull',
-    category: categories.Transform,
-    params: [{ name: "amount", type: "int", }],
-    defaultParams: [0]
-  });
-
-  addFuncDef({
-    name: 'integral',
-    category: categories.Transform,
-  });
-
-  addFuncDef({
-    name: 'derivative',
-    category: categories.Transform,
-  });
-
-  addFuncDef({
-    name: 'nonNegativeDerivative',
-    category: categories.Transform,
-    params: [{ name: "max value or 0", type: "int", optional: true }],
-    defaultParams: ['']
-  });
-
-  addFuncDef({
-    name: 'timeShift',
-    category: categories.Transform,
-    params: [{ name: "amount", type: "select", options: ['1h', '6h', '12h', '1d', '2d', '7d', '14d', '30d'] }],
-    defaultParams: ['1d']
-  });
-
-  addFuncDef({
-    name: 'timeStack',
-    category: categories.Transform,
-    params: [
-      { name: "timeShiftUnit", type: "select", options: ['1h', '6h', '12h', '1d', '2d', '7d', '14d', '30d'] },
-      { name: "timeShiftStart", type: "int" },
-      { name: "timeShiftEnd", type: "int" }
-    ],
-    defaultParams: ['1d', 0, 7]
-  });
-
-  addFuncDef({
-    name: 'summarize',
-    category: categories.Transform,
-    params: [
-      { name: "interval", type: "string" },
-      { name: "func", type: "select", options: ['sum', 'avg', 'min', 'max', 'last'] },
-      { name: "alignToFrom", type: "boolean", optional: true, options: ['false', 'true'] },
-    ],
-    defaultParams: ['1h', 'sum', 'false']
-  });
-
-  addFuncDef({
-    name: 'smartSummarize',
-    category: categories.Transform,
-    params: [{ name: "interval", type: "string" }, { name: "func", type: "select", options: ['sum', 'avg', 'min', 'max', 'last'] }],
-    defaultParams: ['1h', 'sum']
-  });
-
-  addFuncDef({
-    name: 'absolute',
-    category: categories.Transform,
-  });
-
-  addFuncDef({
-    name: 'hitcount',
-    category: categories.Transform,
-    params: [{ name: "interval", type: "string" }],
-    defaultParams: ['10s']
-  });
-
-  addFuncDef({
-    name: 'log',
-    category: categories.Transform,
-    params: [{ name: "base", type: "int" }],
-    defaultParams: ['10']
-  });
-
-  addFuncDef({
-    name: 'averageAbove',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int", }],
-    defaultParams: [25]
-  });
-
-  addFuncDef({
-    name: 'averageBelow',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int", }],
-    defaultParams: [25]
-  });
-
-  addFuncDef({
-    name: 'currentAbove',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int", }],
-    defaultParams: [25]
-  });
-
-  addFuncDef({
-    name: 'currentBelow',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int", }],
-    defaultParams: [25]
-  });
-
-  addFuncDef({
-    name: 'maximumAbove',
-    category: categories.Filter,
-    params: [{ name: "value", type: "int" }],
-    defaultParams: [0]
-  });
-
-  addFuncDef({
-    name: 'maximumBelow',
-    category: categories.Filter,
-    params: [{ name: "value", type: "int" }],
-    defaultParams: [0]
-  });
-
-  addFuncDef({
-    name: 'minimumAbove',
-    category: categories.Filter,
-    params: [{ name: "value", type: "int" }],
-    defaultParams: [0]
-  });
-
-  addFuncDef({
-    name: 'minimumBelow',
-    category: categories.Filter,
-    params: [{ name: "value", type: "int" }],
-    defaultParams: [0]
-  });
-
-  addFuncDef({
-    name: 'limit',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int" }],
-    defaultParams: [5]
-  });
-
-  addFuncDef({
-    name: 'mostDeviant',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int" }],
-    defaultParams: [10]
-  });
-
-  addFuncDef({
-    name: "exclude",
-    category: categories.Filter,
-    params: [{ name: "exclude", type: 'string' }],
-    defaultParams: ['exclude']
-  });
-
-  addFuncDef({
-    name: 'highestCurrent',
-    category: categories.Filter,
-    params: [{ name: "count", type: "int" }],
-    defaultParams: [5]
-  });
-
-  addFuncDef({
-    name: 'highestMax',
-    category: categories.Filter,
-    params: [{ name: "count", type: "int" }],
-    defaultParams: [5]
-  });
-
-  addFuncDef({
-    name: 'lowestCurrent',
-    category: categories.Filter,
-    params: [{ name: "count", type: "int" }],
-    defaultParams: [5]
-  });
-
-  addFuncDef({
-    name: 'movingAverage',
-    category: categories.Filter,
-    params: [{ name: "windowSize", type: "int_or_interval", options: ['5', '7', '10', '5min', '10min', '30min', '1hour'] }],
-    defaultParams: [10]
-  });
-
-  addFuncDef({
-    name: 'movingMedian',
-    category: categories.Filter,
-    params: [{ name: "windowSize", type: "int_or_interval", options: ['5', '7', '10', '5min', '10min', '30min', '1hour'] }],
-    defaultParams: ['5']
-  });
-
-  addFuncDef({
-    name: 'stdev',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int" }, { name: "tolerance", type: "int" }],
-    defaultParams: [5,0.1]
-  });
-
-  addFuncDef({
-    name: 'highestAverage',
-    category: categories.Filter,
-    params: [{ name: "count", type: "int" }],
-    defaultParams: [5]
-  });
-
-  addFuncDef({
-    name: 'lowestAverage',
-    category: categories.Filter,
-    params: [{ name: "count", type: "int" }],
-    defaultParams: [5]
-  });
-
-  addFuncDef({
-    name: 'removeAbovePercentile',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int" }],
-    defaultParams: [5]
-  });
-
-  addFuncDef({
-    name: 'removeAboveValue',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int" }],
-    defaultParams: [5]
-  });
-
-  addFuncDef({
-    name: 'removeBelowPercentile',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int" }],
-    defaultParams: [5]
-  });
-
-  addFuncDef({
-    name: 'removeBelowValue',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int" }],
-    defaultParams: [5]
-  });
-
-  addFuncDef({
-    name: 'useSeriesAbove',
-    category: categories.Filter,
-    params: [
-      { name: "value", type: "int" },
-      { name: "search", type: "string" },
-      { name: "replace", type: "string" }
-    ],
-    defaultParams: [0, 'search', 'replace']
-  });
-
-  ////////////////////
-  // Graphite 1.0.x //
-  ////////////////////
-
-  addFuncDef({
-    name: 'aggregateLine',
-    category: categories.Combine,
-    params: [{ name: "func", type: "select", options: ['sum', 'avg', 'min', 'max', 'last']}],
-    defaultParams: ['avg'],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'averageOutsidePercentile',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int", }],
-    defaultParams: [95],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'delay',
-    category: categories.Transform,
-    params: [{ name: 'steps', type: 'int', }],
-    defaultParams: [1],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'exponentialMovingAverage',
-    category: categories.Calculate,
-    params: [{ name: 'windowSize', type: 'int_or_interval', options: ['5', '7', '10', '5min', '10min', '30min', '1hour'] }],
-    defaultParams: [10],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'fallbackSeries',
-    category: categories.Special,
-    params: [{ name: 'fallback', type: 'string' }],
-    defaultParams: ['constantLine(0)'],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: "grep",
-    category: categories.Filter,
-    params: [{ name: "grep", type: 'string' }],
-    defaultParams: ['grep'],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: "groupByNodes",
-    category: categories.Special,
-    params: [
-      {
-        name: "function",
-        type: "string",
-        options: ['sum', 'avg', 'maxSeries']
-      },
-      { name: "node", type: "int", options: [0,1,2,3,4,5,6,7,8,9,10,12] },
-      { name: "node", type: "int", options: [0,-1,-2,-3,-4,-5,-6,-7], optional: true },
-      { name: "node", type: "int", options: [0,-1,-2,-3,-4,-5,-6,-7], optional: true },
-      { name: "node", type: "int", options: [0,-1,-2,-3,-4,-5,-6,-7], optional: true },
-    ],
-    defaultParams: ["sum", 3],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'integralByInterval',
-    category: categories.Transform,
-    params: [{ name: "intervalUnit", type: "select", options: ['1h', '6h', '12h', '1d', '2d', '7d', '14d', '30d'] }],
-    defaultParams: ['1d'],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'interpolate',
-    category: categories.Transform,
-    params: [{ name: 'limit', type: 'int', optional: true}],
-    defaultParams: [],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'invert',
-    category: categories.Transform,
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'isNonNull',
-    category: categories.Combine,
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'linearRegression',
-    category: categories.Calculate,
-    params: [
-      { name: "startSourceAt", type: "select", options: ['-1h', '-6h', '-12h', '-1d', '-2d', '-7d', '-14d', '-30d'], optional: true },
-      { name: "endSourceAt", type: "select", options: ['-1h', '-6h', '-12h', '-1d', '-2d', '-7d', '-14d', '-30d'], optional: true }
-    ],
-    defaultParams: [],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'mapSeries',
-    shortName: 'map',
-    params: [{ name: "node", type: 'int' }],
-    defaultParams: [3],
-    category: categories.Combine,
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'movingMin',
-    category: categories.Calculate,
-    params: [{ name: 'windowSize', type: 'int_or_interval', options: ['5', '7', '10', '5min', '10min', '30min', '1hour'] }],
-    defaultParams: [10],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'movingMax',
-    category: categories.Calculate,
-    params: [{ name: 'windowSize', type: 'int_or_interval', options: ['5', '7', '10', '5min', '10min', '30min', '1hour'] }],
-    defaultParams: [10],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'movingSum',
-    category: categories.Calculate,
-    params: [{ name: 'windowSize', type: 'int_or_interval', options: ['5', '7', '10', '5min', '10min', '30min', '1hour'] }],
-    defaultParams: [10],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: "multiplySeriesWithWildcards",
-    category: categories.Calculate,
-    params: [
-      { name: "position", type: "int", options: [0,1,2,3,4,5,6,7,8,9,10,12] },
-      { name: "position", type: "int", options: [0,-1,-2,-3,-4,-5,-6,-7], optional: true },
-      { name: "position", type: "int", options: [0,-1,-2,-3,-4,-5,-6,-7], optional: true },
-      { name: "position", type: "int", options: [0,-1,-2,-3,-4,-5,-6,-7], optional: true },
-    ],
-    defaultParams: [2],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'offsetToZero',
-    category: categories.Transform,
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'pow',
-    category: categories.Transform,
-    params: [{ name: 'factor', type: 'int' }],
-    defaultParams: [10],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'powSeries',
-    category: categories.Transform,
-    params: optionalSeriesRefArgs,
-    defaultParams: [''],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'reduceSeries',
-    shortName: 'reduce',
-    params: [
-      { name: "function", type: 'string', options: ['asPercent', 'diffSeries', 'divideSeries'] },
-      { name: "reduceNode", type: 'int', options: [0,1,2,3,4,5,6,7,8,9,10,11,12,13] },
-      { name: "reduceMatchers", type: 'string' },
-      { name: "reduceMatchers", type: 'string' },
-    ],
-    defaultParams: ['asPercent', 2, 'used_bytes', 'total_bytes'],
-    category: categories.Combine,
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'removeBetweenPercentile',
-    category: categories.Filter,
-    params: [{ name: "n", type: "int", }],
-    defaultParams: [95],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'removeEmptySeries',
-    category: categories.Filter,
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'squareRoot',
-    category: categories.Transform,
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'timeSlice',
-    category: categories.Transform,
-    params: [
-      { name: "startSliceAt", type: "select", options: ['-1h', '-6h', '-12h', '-1d', '-2d', '-7d', '-14d', '-30d']},
-      { name: "endSliceAt", type: "select", options: ['-1h', '-6h', '-12h', '-1d', '-2d', '-7d', '-14d', '-30d'], optional: true }
-    ],
-    defaultParams: ['-1h'],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'weightedAverage',
-    category: categories.Filter,
-    params: [
-      { name: 'other', type: 'value_or_series', optional: true },
-      { name: "node", type: "int", options: [0,1,2,3,4,5,6,7,8,9,10,12] },
-    ],
-    defaultParams: ['#A', 4],
-    version: '1.0'
-  });
-
-  addFuncDef({
-    name: 'seriesByTag',
-    category: categories.Special,
-    params: [
-      { name: "tagExpression", type: "string" },
-      { name: "tagExpression", type: "string", optional: true },
-      { name: "tagExpression", type: "string", optional: true },
-      { name: "tagExpression", type: "string", optional: true },
-    ],
-    version: '1.1'
-  });
-
-  addFuncDef({
-    name: "groupByTags",
-    category: categories.Special,
-    params: [
-      {
-        name: "function",
-        type: "string",
-        options: ['sum', 'avg', 'maxSeries']
-      },
-      { name: "tag", type: "string" },
-      { name: "tag", type: "string", optional: true },
-      { name: "tag", type: "string", optional: true },
-      { name: "tag", type: "string", optional: true },
-    ],
-    defaultParams: ["sum", "tag"],
-    version: '1.1'
-  });
-
-  addFuncDef({
-    name: "aliasByTags",
-    category: categories.Special,
-    params: [
-      { name: "tag", type: "string" },
-      { name: "tag", type: "string", optional: true },
-      { name: "tag", type: "string", optional: true },
-      { name: "tag", type: "string", optional: true },
-    ],
-    defaultParams: ["tag"],
-    version: '1.1'
-  });
-
-  _.each(categories, function(funcList, catName) {
-    categories[catName] = _.sortBy(funcList, 'name');
-  });
-
-  function FuncInstance(funcDef, options) {
-    this.def = funcDef;
-    this.params = [];
-
-    if (options && options.withDefaultParams) {
-      this.params = funcDef.defaultParams.slice(0);
-    }
-
-    this.updateText();
-  }
-
-  FuncInstance.prototype.render = function(metricExp) {
-    var str = this.def.name + '(';
-    var parameters = _.map(this.params, function(value, index) {
-
-      var paramType = this.def.params[index].type;
-      if (paramType === 'int' || paramType === 'value_or_series' || paramType === 'boolean') {
-        return value;
-      }
-      else if (paramType === 'int_or_interval' && $.isNumeric(value)) {
-        return value;
-      }
-
-      return "'" + value + "'";
-
-    }.bind(this));
-
-    if (metricExp) {
-      parameters.unshift(metricExp);
-    }
-
-    return str + parameters.join(', ') + ')';
-  };
-
-  FuncInstance.prototype._hasMultipleParamsInString = function(strValue, index) {
-    if (strValue.indexOf(',') === -1) {
-      return false;
-    }
-
-    return this.def.params[index + 1] && this.def.params[index + 1].optional;
-  };
-
-  FuncInstance.prototype.updateParam = function(strValue, index) {
-    // handle optional parameters
-    // if string contains ',' and next param is optional, split and update both
-    if (this._hasMultipleParamsInString(strValue, index)) {
-      _.each(strValue.split(','), function(partVal, idx) {
-        this.updateParam(partVal.trim(), index + idx);
-      }.bind(this));
-      return;
-    }
-
-    if (strValue === '' && this.def.params[index].optional) {
-      this.params.splice(index, 1);
-    }
-    else {
-      this.params[index] = strValue;
-    }
-
-    this.updateText();
-  };
-
-  FuncInstance.prototype.updateText = function () {
-    if (this.params.length === 0) {
-      this.text = this.def.name + '()';
-      return;
-    }
-
-    var text = this.def.name + '(';
-    text += this.params.join(', ');
-    text += ')';
-    this.text = text;
-  };
-
-  function isVersionRelatedFunction(func, graphiteVersion) {
-    return version.isVersionGtOrEq(graphiteVersion, func.version) || !func.version;
-  }
-
-  return {
-    createFuncInstance: function(funcDef, options) {
-      if (_.isString(funcDef)) {
-        if (!index[funcDef]) {
-          throw { message: 'Method not found ' + name };
-        }
-        funcDef = index[funcDef];
-      }
-      return new FuncInstance(funcDef, options);
-    },
-
-    getFuncDef: function(name) {
-      return index[name];
-    },
-
-    getCategories: function(graphiteVersion) {
-      var filteredCategories = {};
-      _.each(categories, function(functions, category) {
-        var filteredFuncs = _.filter(functions, function(func) {
-          return isVersionRelatedFunction(func, graphiteVersion);
-        });
-        if (filteredFuncs.length) {
-          filteredCategories[category] = filteredFuncs;
-        }
-      });
-
-      return filteredCategories;
-    }
-  };
-
-});