114 lines
3 KiB
JavaScript
114 lines
3 KiB
JavaScript
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Prism.languages.mermaid = {
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'comment': {
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pattern: /%%.*/,
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greedy: true
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},
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'style': {
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pattern: /^([ \t]*(?:classDef|linkStyle|style)[ \t]+[\w$-]+[ \t]+)\w.*[^\s;]/m,
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lookbehind: true,
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inside: {
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'property': /\b\w[\w-]*(?=[ \t]*:)/,
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'operator': /:/,
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'punctuation': /,/
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}
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},
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'inter-arrow-label': {
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pattern: /([^<>ox.=-])(?:-[-.]|==)(?![<>ox.=-])[ \t]*(?:"[^"\r\n]*"|[^\s".=-](?:[^\r\n.=-]*[^\s.=-])?)[ \t]*(?:\.+->?|--+[->]|==+[=>])(?![<>ox.=-])/,
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lookbehind: true,
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greedy: true,
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inside: {
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'arrow': {
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pattern: /(?:\.+->?|--+[->]|==+[=>])$/,
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alias: 'operator'
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},
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'label': {
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pattern: /^([\s\S]{2}[ \t]*)\S(?:[\s\S]*\S)?/,
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lookbehind: true,
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alias: 'property'
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},
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'arrow-head': {
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pattern: /^\S+/,
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alias: ['arrow', 'operator']
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}
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}
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},
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'arrow': [
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// This might look complex but it really isn't.
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// There are many possible arrows (see tests) and it's impossible to fit all of them into one pattern. The
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// problem is that we only have one lookbehind per pattern. However, we cannot disallow too many arrow
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// characters in the one lookbehind because that would create too many false negatives. So we have to split the
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// arrows into different patterns.
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{
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// ER diagram
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pattern: /(^|[^{}|o.-])[|}][|o](?:--|\.\.)[|o][|{](?![{}|o.-])/,
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lookbehind: true,
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alias: 'operator'
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},
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{
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// flow chart
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// (?:==+|--+|-\.*-)
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pattern: /(^|[^<>ox.=-])(?:[<ox](?:==+|--+|-\.*-)[>ox]?|(?:==+|--+|-\.*-)[>ox]|===+|---+|-\.+-)(?![<>ox.=-])/,
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lookbehind: true,
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alias: 'operator'
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},
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{
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// sequence diagram
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pattern: /(^|[^<>()x-])(?:--?(?:>>|[x>)])(?![<>()x])|(?:<<|[x<(])--?(?!-))/,
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lookbehind: true,
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alias: 'operator'
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},
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{
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// class diagram
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pattern: /(^|[^<>|*o.-])(?:[*o]--|--[*o]|<\|?(?:--|\.\.)|(?:--|\.\.)\|?>|--|\.\.)(?![<>|*o.-])/,
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lookbehind: true,
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alias: 'operator'
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},
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],
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'label': {
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pattern: /(^|[^|<])\|(?:[^\r\n"|]|"[^"\r\n]*")+\|/,
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lookbehind: true,
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greedy: true,
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alias: 'property'
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},
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'text': {
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pattern: /(?:[(\[{]+|\b>)(?:[^\r\n"()\[\]{}]|"[^"\r\n]*")+(?:[)\]}]+|>)/,
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alias: 'string'
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},
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'string': {
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pattern: /"[^"\r\n]*"/,
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greedy: true
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},
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'annotation': {
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pattern: /<<(?:abstract|choice|enumeration|fork|interface|join|service)>>|\[\[(?:choice|fork|join)\]\]/i,
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alias: 'important'
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},
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'keyword': [
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// This language has both case-sensitive and case-insensitive keywords
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{
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pattern: /(^[ \t]*)(?:action|callback|class|classDef|classDiagram|click|direction|erDiagram|flowchart|gantt|gitGraph|graph|journey|link|linkStyle|pie|requirementDiagram|sequenceDiagram|stateDiagram|stateDiagram-v2|style|subgraph)(?![\w$-])/m,
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lookbehind: true,
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greedy: true
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},
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{
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pattern: /(^[ \t]*)(?:activate|alt|and|as|autonumber|deactivate|else|end(?:[ \t]+note)?|loop|opt|par|participant|rect|state|note[ \t]+(?:over|(?:left|right)[ \t]+of))(?![\w$-])/im,
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lookbehind: true,
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greedy: true
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}
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],
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'entity': /#[a-z0-9]+;/,
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'operator': {
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pattern: /(\w[ \t]*)&(?=[ \t]*\w)|:::|:/,
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lookbehind: true
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},
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'punctuation': /[(){};]/
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};
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