Locally add prismjs

node_modules/prismjs/components/prism-mermaid.js

@@ -0,0 +1,113 @@
+Prism.languages.mermaid = {
+	'comment': {
+		pattern: /%%.*/,
+		greedy: true
+	},
+
+	'style': {
+		pattern: /^([ \t]*(?:classDef|linkStyle|style)[ \t]+[\w$-]+[ \t]+)\w.*[^\s;]/m,
+		lookbehind: true,
+		inside: {
+			'property': /\b\w[\w-]*(?=[ \t]*:)/,
+			'operator': /:/,
+			'punctuation': /,/
+		}
+	},
+
+	'inter-arrow-label': {
+		pattern: /([^<>ox.=-])(?:-[-.]|==)(?![<>ox.=-])[ \t]*(?:"[^"\r\n]*"|[^\s".=-](?:[^\r\n.=-]*[^\s.=-])?)[ \t]*(?:\.+->?|--+[->]|==+[=>])(?![<>ox.=-])/,
+		lookbehind: true,
+		greedy: true,
+		inside: {
+			'arrow': {
+				pattern: /(?:\.+->?|--+[->]|==+[=>])$/,
+				alias: 'operator'
+			},
+			'label': {
+				pattern: /^([\s\S]{2}[ \t]*)\S(?:[\s\S]*\S)?/,
+				lookbehind: true,
+				alias: 'property'
+			},
+			'arrow-head': {
+				pattern: /^\S+/,
+				alias: ['arrow', 'operator']
+			}
+		}
+	},
+
+	'arrow': [
+		// This might look complex but it really isn't.
+		// There are many possible arrows (see tests) and it's impossible to fit all of them into one pattern. The
+		// problem is that we only have one lookbehind per pattern. However, we cannot disallow too many arrow
+		// characters in the one lookbehind because that would create too many false negatives. So we have to split the
+		// arrows into different patterns.
+		{
+			// ER diagram
+			pattern: /(^|[^{}|o.-])[|}][|o](?:--|\.\.)[|o][|{](?![{}|o.-])/,
+			lookbehind: true,
+			alias: 'operator'
+		},
+		{
+			// flow chart
+			// (?:==+|--+|-\.*-)
+			pattern: /(^|[^<>ox.=-])(?:[<ox](?:==+|--+|-\.*-)[>ox]?|(?:==+|--+|-\.*-)[>ox]|===+|---+|-\.+-)(?![<>ox.=-])/,
+			lookbehind: true,
+			alias: 'operator'
+		},
+		{
+			// sequence diagram
+			pattern: /(^|[^<>()x-])(?:--?(?:>>|[x>)])(?![<>()x])|(?:<<|[x<(])--?(?!-))/,
+			lookbehind: true,
+			alias: 'operator'
+		},
+		{
+			// class diagram
+			pattern: /(^|[^<>|*o.-])(?:[*o]--|--[*o]|<\|?(?:--|\.\.)|(?:--|\.\.)\|?>|--|\.\.)(?![<>|*o.-])/,
+			lookbehind: true,
+			alias: 'operator'
+		},
+	],
+
+	'label': {
+		pattern: /(^|[^|<])\|(?:[^\r\n"|]|"[^"\r\n]*")+\|/,
+		lookbehind: true,
+		greedy: true,
+		alias: 'property'
+	},
+
+	'text': {
+		pattern: /(?:[(\[{]+|\b>)(?:[^\r\n"()\[\]{}]|"[^"\r\n]*")+(?:[)\]}]+|>)/,
+		alias: 'string'
+	},
+	'string': {
+		pattern: /"[^"\r\n]*"/,
+		greedy: true
+	},
+
+	'annotation': {
+		pattern: /<<(?:abstract|choice|enumeration|fork|interface|join|service)>>|\[\[(?:choice|fork|join)\]\]/i,
+		alias: 'important'
+	},
+
+	'keyword': [
+		// This language has both case-sensitive and case-insensitive keywords
+		{
+			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$-])/m,
+			lookbehind: true,
+			greedy: true
+		},
+		{
+			pattern: /(^[ \t]*)(?:activate|alt|and|as|autonumber|deactivate|else|end(?:[ \t]+note)?|loop|opt|par|participant|rect|state|note[ \t]+(?:over|(?:left|right)[ \t]+of))(?![\w$-])/im,
+			lookbehind: true,
+			greedy: true
+		}
+	],
+
+	'entity': /#[a-z0-9]+;/,
+
+	'operator': {
+		pattern: /(\w[ \t]*)&(?=[ \t]*\w)|:::|:/,
+		lookbehind: true
+	},
+	'punctuation': /[(){};]/
+};