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- /**
- * @typedef {import('../types.js').CompilePattern} CompilePattern
- */
- /**
- * @type {CompilePattern}
- */
- export function compilePattern(pattern) {
- if (!pattern._compiled) {
- const before =
- (pattern.atBreak ? '[\\r\\n][\\t ]*' : '') +
- (pattern.before ? '(?:' + pattern.before + ')' : '')
- pattern._compiled = new RegExp(
- (before ? '(' + before + ')' : '') +
- (/[|\\{}()[\]^$+*?.-]/.test(pattern.character) ? '\\' : '') +
- pattern.character +
- (pattern.after ? '(?:' + pattern.after + ')' : ''),
- 'g'
- )
- }
- return pattern._compiled
- }
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