33 lines
		
	
	
		
			708 B
		
	
	
	
		
			JavaScript
		
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			708 B
		
	
	
	
		
			JavaScript
		
	
	
'use strict';
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const utils = require('./utils');
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module.exports = (ast, options = {}) => {
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  const stringify = (node, parent = {}) => {
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    const invalidBlock = options.escapeInvalid && utils.isInvalidBrace(parent);
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    const invalidNode = node.invalid === true && options.escapeInvalid === true;
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    let output = '';
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    if (node.value) {
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      if ((invalidBlock || invalidNode) && utils.isOpenOrClose(node)) {
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        return '\\' + node.value;
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      }
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      return node.value;
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    }
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    if (node.value) {
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      return node.value;
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    }
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    if (node.nodes) {
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      for (const child of node.nodes) {
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        output += stringify(child);
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      }
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    }
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    return output;
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  };
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  return stringify(ast);
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};
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