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- 'use strict';
- const ALIAS = Symbol.for('yaml.alias');
- const DOC = Symbol.for('yaml.document');
- const MAP = Symbol.for('yaml.map');
- const PAIR = Symbol.for('yaml.pair');
- const SCALAR = Symbol.for('yaml.scalar');
- const SEQ = Symbol.for('yaml.seq');
- const NODE_TYPE = Symbol.for('yaml.node.type');
- const isAlias = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === ALIAS;
- const isDocument = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === DOC;
- const isMap = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === MAP;
- const isPair = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === PAIR;
- const isScalar = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === SCALAR;
- const isSeq = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === SEQ;
- function isCollection(node) {
- if (node && typeof node === 'object')
- switch (node[NODE_TYPE]) {
- case MAP:
- case SEQ:
- return true;
- }
- return false;
- }
- function isNode(node) {
- if (node && typeof node === 'object')
- switch (node[NODE_TYPE]) {
- case ALIAS:
- case MAP:
- case SCALAR:
- case SEQ:
- return true;
- }
- return false;
- }
- const hasAnchor = (node) => (isScalar(node) || isCollection(node)) && !!node.anchor;
- exports.ALIAS = ALIAS;
- exports.DOC = DOC;
- exports.MAP = MAP;
- exports.NODE_TYPE = NODE_TYPE;
- exports.PAIR = PAIR;
- exports.SCALAR = SCALAR;
- exports.SEQ = SEQ;
- exports.hasAnchor = hasAnchor;
- exports.isAlias = isAlias;
- exports.isCollection = isCollection;
- exports.isDocument = isDocument;
- exports.isMap = isMap;
- exports.isNode = isNode;
- exports.isPair = isPair;
- exports.isScalar = isScalar;
- exports.isSeq = isSeq;
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