reprism/src/languages/dart.js

Modular Syntax highlighting for the web

export default {
  language: 'dart',
  init: Prism => {
    Prism.languages.dart = Prism.languages.extend('clike', {
      string: [
        {
          pattern: /r?("""|''')[\s\S]*?\1/,
          greedy: true,
        },
        {
          pattern: /r?("|')(?:\\.|(?!\1)[^\\\r\n])*\1/,
          greedy: true,
        },
      ],
      keyword: [
        /\b(?:async|sync|yield)\*/,
        /\b(?:abstract|assert|async|await|break|case|catch|class|const|continue|default|deferred|do|dynamic|else|enum|export|external|extends|factory|final|finally|for|get|if|implements|import|in|library|new|null|operator|part|rethrow|return|set|static|super|switch|this|throw|try|typedef|var|void|while|with|yield)\b/,
      ],
      operator: /\bis!|\b(?:as|is)\b|\+\+|--|&&|\|\||<<=?|>>=?|~(?:\/=?)?|[+\-*\/%&^|=!<>]=?|\?/,
    })

    Prism.languages.insertBefore('dart', 'function', {
      metadata: {
        pattern: /@\w+/,
        alias: 'symbol',
      },
    })
  },
}