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Added support for Kusto (#3068)
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‎components.js

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‎components.json

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"alias": "kum",
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"owner": "edukisto"
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},
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"kusto": {
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"title": "Kusto",
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"owner": "RunDevelopment"
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},
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"latex": {
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"title": "LaTeX",
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"alias": ["tex", "context"],

‎components/prism-kusto.js

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Prism.languages.kusto = {
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'comment': {
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pattern: /\/\/.*/,
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greedy: true
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},
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'string': {
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pattern: /```[\s\S]*?```|[hH]?(?:"(?:[^\r\n\\"]|\\.)*"|'(?:[^\r\n\\']|\\.)*'|@(?:"[^\r\n"]*"|'[^\r\n']*'))/,
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greedy: true
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},
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'verb': {
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pattern: /(\|\s*)[a-z][\w-]*/i,
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lookbehind: true,
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alias: 'keyword'
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},
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'command': {
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pattern: /\.[a-z][a-z\d-]*\b/,
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alias: 'keyword'
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},
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'class-name': /\b(?:bool|datetime|decimal|dynamic|guid|int|long|real|string|timespan)\b/,
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'keyword': /\b(?:access|alias|and|anti|as|asc|auto|between|by|database|declare|desc|external|from|fullouter|has_all|in|ingestion|inline|inner|innerunique|into|let|like|local|not|of|on|or|pattern|print|query_parameters|range|restrict|schema|set|step|table|tables|to|view|where|with|(?:has(?:perfix|suffix)?|contains|(?:starts|ends)with)(?:_cs)?|(?:left|right)(?:anti(?:semi)?|inner|outer|semi)?|matches\s+regex|nulls\s+(?:first|last))(?![\w-])/,
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'boolean': /\b(?:true|false|null)\b/,
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'function': /\b[a-z_]\w*(?=\s*\()/,
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'datetime': [
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{
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// RFC 822 + RFC 850
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pattern: /\b(?:(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun|Monday|Tuesday|Wednesday|Thursday|Friday|Saturday|Sunday)\s*,\s*)?\d{1,2}(?:\s+|-)(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)(?:\s+|-)\d{2}\s+\d{2}:\d{2}(?::\d{2})?(?:\s*(?:\b(?:(?:U|GM|[ECMT][DS])T|[A-Z])|[+-]\d{4}))?\b/,
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alias: 'number'
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},
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{
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// ISO 8601
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pattern: /[+-]?\b(?:\d{4}-\d{2}-\d{2}(?:[ T]\d{2}:\d{2}(?::\d{2}(?:\.\d+)?)?)?|\d{2}:\d{2}(?::\d{2}(?:\.\d+)?)?)Z?/,
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alias: 'number'
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}
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],
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'number': /\b(?:0x[0-9A-Fa-f]+|\d+(?:\.\d+)?(?:[Ee][+-]?\d+)?)(?:(?:min|sec|[mnµ]s|tick|microsecond|[dhms])\b)?|[+-]?\binf\b/,
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'operator': /=>|[!=]~|[!=<>]=?|[-+*/%|]|\.\./,
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'punctuation': /[()\[\]{},;.:]/
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};

‎components/prism-kusto.min.js

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‎examples/prism-kusto.html

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<h2>Full example</h2>
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<pre><code>// Source: https://docs.microsoft.com/en-us/azure/data-explorer/kusto/query/tutorial?pivots=azuredataexplorer
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StormEvents
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| where StartTime > datetime(2007-02-01) and StartTime &lt; datetime(2007-03-01)
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| where EventType == 'Flood' and State == 'CALIFORNIA'
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| project StartTime, EndTime , State , EventType , EpisodeNarrative
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</code></pre>

‎tests/languages/kusto/boolean_feature.test

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true bool(true)
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false bool(false)
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bool(null)
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----------------------------------------------------
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[
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["boolean", "true"],
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["class-name", "bool"],
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["punctuation", "("],
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["boolean", "true"],
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["punctuation", ")"],
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["boolean", "false"],
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["class-name", "bool"],
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["punctuation", "("],
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["boolean", "false"],
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["punctuation", ")"],
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["class-name", "bool"],
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["punctuation", "("],
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["boolean", "null"],
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["punctuation", ")"]
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]

‎tests/languages/kusto/class-name_feature.test

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bool
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datetime
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decimal
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dynamic
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guid
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int
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long
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real
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string
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timespan
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----------------------------------------------------
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[
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["class-name", "bool"],
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["class-name", "datetime"],
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["class-name", "decimal"],
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["class-name", "dynamic"],
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["class-name", "guid"],
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["class-name", "int"],
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["class-name", "long"],
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["class-name", "real"],
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["class-name", "string"],
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["class-name", "timespan"]
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]

‎tests/languages/kusto/command_feature.test

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.show tables
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| count
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.set foo=234
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----------------------------------------------------
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[
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["command", ".show"], ["keyword", "tables"],
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["operator", "|"], ["verb", "count"],
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["command", ".set"], " foo", ["operator", "="], ["number", "234"]
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]

‎tests/languages/kusto/comment_feature.test

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// comment
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----------------------------------------------------
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[
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["comment", "// comment"]
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]

‎tests/languages/kusto/datetime_feature.test

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// ISO 8601
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2014-05-25T08:20:03.123456Z
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2014-05-25T08:20:03.123456
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2014-05-25T08:20
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2014-11-08 15:55:55.123456Z
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2014-11-08 15:55:55
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2014-11-08 15:55
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2014-11-08
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// RFC 822
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Sat, 8 Nov 14 15:05:02 GMT
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Sat, 8 Nov 14 15:05:02
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Sat, 8 Nov 14 15:05
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Sat, 8 Nov 14 15:05 GMT
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8 Nov 14 15:05:02 GMT
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8 Nov 14 15:05:02
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8 Nov 14 15:05
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8 Nov 14 15:05 GMT
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// RFC 850
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Saturday, 08-Nov-14 15:05:02 GMT
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Saturday, 08-Nov-14 15:05:02
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Saturday, 08-Nov-14 15:05 GMT
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Saturday, 08-Nov-14 15:05
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08-Nov-14 15:05:02 GMT
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08-Nov-14 15:05:02
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08-Nov-14 15:05 GMT
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08-Nov-14 15:05
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----------------------------------------------------
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[
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["comment", "// ISO 8601"],
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["datetime", "2014-05-25T08:20:03.123456Z"],
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["datetime", "2014-05-25T08:20:03.123456"],
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["datetime", "2014-05-25T08:20"],
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["datetime", "2014-11-08 15:55:55.123456Z"],
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["datetime", "2014-11-08 15:55:55"],
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["datetime", "2014-11-08 15:55"],
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["datetime", "2014-11-08"],
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["comment", "// RFC 822"],
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["datetime", "Sat, 8 Nov 14 15:05:02 GMT"],
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["datetime", "Sat, 8 Nov 14 15:05:02"],
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["datetime", "Sat, 8 Nov 14 15:05"],
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["datetime", "Sat, 8 Nov 14 15:05 GMT"],
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["datetime", "8 Nov 14 15:05:02 GMT"],
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["datetime", "8 Nov 14 15:05:02"],
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["datetime", "8 Nov 14 15:05"],
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["datetime", "8 Nov 14 15:05 GMT"],
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["comment", "// RFC 850"],
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["datetime", "Saturday, 08-Nov-14 15:05:02 GMT"],
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["datetime", "Saturday, 08-Nov-14 15:05:02"],
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["datetime", "Saturday, 08-Nov-14 15:05 GMT"],
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["datetime", "Saturday, 08-Nov-14 15:05"],
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["datetime", "08-Nov-14 15:05:02 GMT"],
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["datetime", "08-Nov-14 15:05:02"],
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["datetime", "08-Nov-14 15:05 GMT"],
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["datetime", "08-Nov-14 15:05"]
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]

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