reprism/lib/languages/flow.js

Modular Syntax highlighting for the web

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = {
  language: 'flow',
  init: function init(Prism) {
    (function (Prism) {
      Prism.languages.flow = Prism.languages.extend('javascript', {});

      Prism.languages.insertBefore('flow', 'keyword', {
        type: [{
          pattern: /\b(?:[Nn]umber|[Ss]tring|[Bb]oolean|Function|any|mixed|null|void)\b/,
          alias: 'tag'
        }]
      });
      Prism.languages.flow['function-variable'].pattern = /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*=\s*(?:function\b|(?:\([^()]*\)(?:\s*:\s*\w+)?|[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)\s*=>))/i;

      Prism.languages.insertBefore('flow', 'operator', {
        'flow-punctuation': {
          pattern: /\{\||\|\}/,
          alias: 'punctuation'
        }
      });

      if (Prism.util.type(Prism.languages.flow.keyword) !== 'Array') {
        Prism.languages.flow.keyword = [Prism.languages.flow.keyword];
      }
      Prism.languages.flow.keyword.unshift({
        pattern: /(^|[^$]\b)(?:type|opaque|declare|Class)\b(?!\$)/,
        lookbehind: true
      }, {
        pattern: /(^|[^$]\B)\$(?:await|Diff|Exact|Keys|ObjMap|PropertyType|Shape|Record|Supertype|Subtype|Enum)\b(?!\$)/,
        lookbehind: true
      });
    })(Prism);
  }
};