97 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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Object.defineProperty(exports, "__esModule", {
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  value: true
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});
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exports.File = File;
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exports.Program = Program;
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exports.BlockStatement = BlockStatement;
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exports.Noop = Noop;
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exports.Directive = Directive;
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exports.DirectiveLiteral = DirectiveLiteral;
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exports.InterpreterDirective = InterpreterDirective;
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exports.Placeholder = Placeholder;
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function File(node) {
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  if (node.program) {
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    this.print(node.program.interpreter, node);
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  }
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  this.print(node.program, node);
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}
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function Program(node) {
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  this.printInnerComments(node, false);
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  this.printSequence(node.directives, node);
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  if (node.directives && node.directives.length) this.newline();
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  this.printSequence(node.body, node);
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}
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function BlockStatement(node) {
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  this.token("{");
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  this.printInnerComments(node);
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  const hasDirectives = node.directives && node.directives.length;
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  if (node.body.length || hasDirectives) {
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    this.newline();
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    this.printSequence(node.directives, node, {
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      indent: true
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    });
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    if (hasDirectives) this.newline();
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    this.printSequence(node.body, node, {
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      indent: true
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    });
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    this.removeTrailingNewline();
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    this.source("end", node.loc);
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    if (!this.endsWith("\n")) this.newline();
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    this.rightBrace();
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  } else {
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    this.source("end", node.loc);
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    this.token("}");
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  }
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}
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function Noop() {}
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function Directive(node) {
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  this.print(node.value, node);
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  this.semicolon();
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}
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const unescapedSingleQuoteRE = /(?:^|[^\\])(?:\\\\)*'/;
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const unescapedDoubleQuoteRE = /(?:^|[^\\])(?:\\\\)*"/;
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function DirectiveLiteral(node) {
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  const raw = this.getPossibleRaw(node);
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  if (raw != null) {
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    this.token(raw);
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    return;
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  }
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  const {
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    value
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  } = node;
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  if (!unescapedDoubleQuoteRE.test(value)) {
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    this.token(`"${value}"`);
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  } else if (!unescapedSingleQuoteRE.test(value)) {
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    this.token(`'${value}'`);
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  } else {
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    throw new Error("Malformed AST: it is not possible to print a directive containing" + " both unescaped single and double quotes.");
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  }
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}
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function InterpreterDirective(node) {
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  this.token(`#!${node.value}\n`);
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}
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function Placeholder(node) {
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  this.token("%%");
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  this.print(node.name);
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  this.token("%%");
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  if (node.expectedNode === "Statement") {
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    this.semicolon();
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  }
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} |