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759 BJavaScriptView Raw
1'use strict';
2
3var identity = require('./identity.js');
4var Node = require('./Node.js');
5var toJS = require('./toJS.js');
6
7const isScalarValue = (value) => !value || (typeof value !== 'function' && typeof value !== 'object');
8class Scalar extends Node.NodeBase {
9 constructor(value) {
10 super(identity.SCALAR);
11 this.value = value;
12 }
13 toJSON(arg, ctx) {
14 return ctx?.keep ? this.value : toJS.toJS(this.value, arg, ctx);
15 }
16 toString() {
17 return String(this.value);
18 }
19}
20Scalar.BLOCK_FOLDED = 'BLOCK_FOLDED';
21Scalar.BLOCK_LITERAL = 'BLOCK_LITERAL';
22Scalar.PLAIN = 'PLAIN';
23Scalar.QUOTE_DOUBLE = 'QUOTE_DOUBLE';
24Scalar.QUOTE_SINGLE = 'QUOTE_SINGLE';
25
26exports.Scalar = Scalar;
27exports.isScalarValue = isScalarValue;