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| /*
| Language: ArcGIS Arcade
| Category: scripting
| Author: John Foster <jfoster@esri.com>
| Website: https://developers.arcgis.com/arcade/
| Description: ArcGIS Arcade is an expression language used in many Esri ArcGIS products such as Pro, Online, Server, Runtime, JavaScript, and Python
| */
|
| /** @type LanguageFn */
| function arcade(hljs) {
| const IDENT_RE = '[A-Za-z_][0-9A-Za-z_]*';
| const KEYWORDS = {
| keyword:
| 'if for while var new function do return void else break',
| literal:
| 'BackSlash DoubleQuote false ForwardSlash Infinity NaN NewLine null PI SingleQuote Tab TextFormatting true undefined',
| built_in:
| 'Abs Acos Angle Attachments Area AreaGeodetic Asin Atan Atan2 Average Bearing Boolean Buffer BufferGeodetic ' +
| 'Ceil Centroid Clip Console Constrain Contains Cos Count Crosses Cut Date DateAdd ' +
| 'DateDiff Day Decode DefaultValue Dictionary Difference Disjoint Distance DistanceGeodetic Distinct ' +
| 'DomainCode DomainName Equals Exp Extent Feature FeatureSet FeatureSetByAssociation FeatureSetById FeatureSetByPortalItem ' +
| 'FeatureSetByRelationshipName FeatureSetByTitle FeatureSetByUrl Filter First Floor Geometry GroupBy Guid HasKey Hour IIf IndexOf ' +
| 'Intersection Intersects IsEmpty IsNan IsSelfIntersecting Length LengthGeodetic Log Max Mean Millisecond Min Minute Month ' +
| 'MultiPartToSinglePart Multipoint NextSequenceValue Now Number OrderBy Overlaps Point Polygon ' +
| 'Polyline Portal Pow Random Relate Reverse RingIsClockWise Round Second SetGeometry Sin Sort Sqrt Stdev Sum ' +
| 'SymmetricDifference Tan Text Timestamp Today ToLocal Top Touches ToUTC TrackCurrentTime ' +
| 'TrackGeometryWindow TrackIndex TrackStartTime TrackWindow TypeOf Union UrlEncode Variance ' +
| 'Weekday When Within Year '
| };
| const SYMBOL = {
| className: 'symbol',
| begin: '\\$[datastore|feature|layer|map|measure|sourcefeature|sourcelayer|targetfeature|targetlayer|value|view]+'
| };
| const NUMBER = {
| className: 'number',
| variants: [
| {
| begin: '\\b(0[bB][01]+)'
| },
| {
| begin: '\\b(0[oO][0-7]+)'
| },
| {
| begin: hljs.C_NUMBER_RE
| }
| ],
| relevance: 0
| };
| const SUBST = {
| className: 'subst',
| begin: '\\$\\{',
| end: '\\}',
| keywords: KEYWORDS,
| contains: [] // defined later
| };
| const TEMPLATE_STRING = {
| className: 'string',
| begin: '`',
| end: '`',
| contains: [
| hljs.BACKSLASH_ESCAPE,
| SUBST
| ]
| };
| SUBST.contains = [
| hljs.APOS_STRING_MODE,
| hljs.QUOTE_STRING_MODE,
| TEMPLATE_STRING,
| NUMBER,
| hljs.REGEXP_MODE
| ];
| const PARAMS_CONTAINS = SUBST.contains.concat([
| hljs.C_BLOCK_COMMENT_MODE,
| hljs.C_LINE_COMMENT_MODE
| ]);
|
| return {
| name: 'ArcGIS Arcade',
| keywords: KEYWORDS,
| contains: [
| hljs.APOS_STRING_MODE,
| hljs.QUOTE_STRING_MODE,
| TEMPLATE_STRING,
| hljs.C_LINE_COMMENT_MODE,
| hljs.C_BLOCK_COMMENT_MODE,
| SYMBOL,
| NUMBER,
| { // object attr container
| begin: /[{,]\s*/,
| relevance: 0,
| contains: [{
| begin: IDENT_RE + '\\s*:',
| returnBegin: true,
| relevance: 0,
| contains: [{
| className: 'attr',
| begin: IDENT_RE,
| relevance: 0
| }]
| }]
| },
| { // "value" container
| begin: '(' + hljs.RE_STARTERS_RE + '|\\b(return)\\b)\\s*',
| keywords: 'return',
| contains: [
| hljs.C_LINE_COMMENT_MODE,
| hljs.C_BLOCK_COMMENT_MODE,
| hljs.REGEXP_MODE,
| {
| className: 'function',
| begin: '(\\(.*?\\)|' + IDENT_RE + ')\\s*=>',
| returnBegin: true,
| end: '\\s*=>',
| contains: [{
| className: 'params',
| variants: [
| {
| begin: IDENT_RE
| },
| {
| begin: /\(\s*\)/
| },
| {
| begin: /\(/,
| end: /\)/,
| excludeBegin: true,
| excludeEnd: true,
| keywords: KEYWORDS,
| contains: PARAMS_CONTAINS
| }
| ]
| }]
| }
| ],
| relevance: 0
| },
| {
| className: 'function',
| beginKeywords: 'function',
| end: /\{/,
| excludeEnd: true,
| contains: [
| hljs.inherit(hljs.TITLE_MODE, {
| begin: IDENT_RE
| }),
| {
| className: 'params',
| begin: /\(/,
| end: /\)/,
| excludeBegin: true,
| excludeEnd: true,
| contains: PARAMS_CONTAINS
| }
| ],
| illegal: /\[|%/
| },
| {
| begin: /\$[(.]/
| }
| ],
| illegal: /#(?!!)/
| };
| }
|
| module.exports = arcade;
|
|
