1export function installJson5(Prism: any) { 2 const string = /("|')(?:\\(?:\r\n?|\n|.)|(?!\1)[^\\\r\n])*\1/; 3 4 Prism.languages.json5 = Prism.languages.extend('json', { 5 property: [ 6 { 7 pattern: RegExp(string.source + '(?=\\s*:)'), 8 greedy: true, 9 }, 10 { 11 pattern: /[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*:)/, 12 alias: 'unquoted', 13 }, 14 ], 15 string: { 16 pattern: string, 17 greedy: true, 18 }, 19 number: /[+-]?(?:NaN|Infinity|0x[a-fA-F\d]+|(?:\d+\.?\d*|\.\d+)(?:[eE][+-]?\d+)?)/, 20 }); 21} 22