json function

Mode json(Highlight hljs)

Highlight.js language definition for json.

Implementation

Mode json(Highlight hljs) {
  return Mode(
    name: r'JSON',
    aliases: [r'jsonc'],
    keywords: {
      r'literal': [r'true', r'false', r'null'],
    },
    contains: [
      Mode(
        scope: r'attr',
        begin: r'"(\\.|[^\\"\r\n])*"(?=\s*:)',
        relevance: 1.01,
      ),
      Mode(match: r'[{}[\],:]', scope: r'punctuation', relevance: 0),
      Mode(
        scope: r'string',
        begin: r'"',
        end: r'"',
        illegal: r'\n',
        contains: [Mode(begin: r'\\[\s\S]', relevance: 0)],
      ),
      Mode(scope: r'literal', beginKeywords: r'true false null'),
      Mode(
        scope: r'number',
        begin:
            r'(-?)(\b0[xX][a-fA-F0-9]+|(\b\d+(\.\d*)?|\.\d+)([eE][-+]?\d+)?)',
        relevance: 0,
      ),
      Mode(
        scope: r'comment',
        begin: r'//',
        end: r'$',
        contains: [
          Mode(
            scope: r'doctag',
            begin: r'[ ]*(?=(TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):)',
            end: r'(TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):',
            excludeBegin: true,
            relevance: 0,
          ),
          Mode(
            begin:
                r"[ ]+((?:I|a|is|so|us|to|at|if|in|it|on|[A-Za-z]+['](d|ve|re|ll|t|s|n)|[A-Za-z]+[-][a-z]+|[A-Za-z][a-z]{2,})[.]?[:]?([.][ ]|[ ])){3}",
          ),
        ],
      ),
      Mode(
        scope: r'comment',
        begin: r'/\*',
        end: r'\*/',
        contains: [
          Mode(
            scope: r'doctag',
            begin: r'[ ]*(?=(TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):)',
            end: r'(TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):',
            excludeBegin: true,
            relevance: 0,
          ),
          Mode(
            begin:
                r"[ ]+((?:I|a|is|so|us|to|at|if|in|it|on|[A-Za-z]+['](d|ve|re|ll|t|s|n)|[A-Za-z]+[-][a-z]+|[A-Za-z][a-z]{2,})[.]?[:]?([.][ ]|[ ])){3}",
          ),
        ],
      ),
    ],
    illegal: r'\S',
  );
}