1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374 |
- import { isScalar, isPair } from '../../nodes/identity.js';
- import { toJS } from '../../nodes/toJS.js';
- import { YAMLMap } from '../../nodes/YAMLMap.js';
- import { YAMLSeq } from '../../nodes/YAMLSeq.js';
- import { resolvePairs, createPairs } from './pairs.js';
- class YAMLOMap extends YAMLSeq {
- constructor() {
- super();
- this.add = YAMLMap.prototype.add.bind(this);
- this.delete = YAMLMap.prototype.delete.bind(this);
- this.get = YAMLMap.prototype.get.bind(this);
- this.has = YAMLMap.prototype.has.bind(this);
- this.set = YAMLMap.prototype.set.bind(this);
- this.tag = YAMLOMap.tag;
- }
- /**
- * If `ctx` is given, the return type is actually `Map<unknown, unknown>`,
- * but TypeScript won't allow widening the signature of a child method.
- */
- toJSON(_, ctx) {
- if (!ctx)
- return super.toJSON(_);
- const map = new Map();
- if (ctx?.onCreate)
- ctx.onCreate(map);
- for (const pair of this.items) {
- let key, value;
- if (isPair(pair)) {
- key = toJS(pair.key, '', ctx);
- value = toJS(pair.value, key, ctx);
- }
- else {
- key = toJS(pair, '', ctx);
- }
- if (map.has(key))
- throw new Error('Ordered maps must not include duplicate keys');
- map.set(key, value);
- }
- return map;
- }
- static from(schema, iterable, ctx) {
- const pairs = createPairs(schema, iterable, ctx);
- const omap = new this();
- omap.items = pairs.items;
- return omap;
- }
- }
- YAMLOMap.tag = 'tag:yaml.org,2002:omap';
- const omap = {
- collection: 'seq',
- identify: value => value instanceof Map,
- nodeClass: YAMLOMap,
- default: false,
- tag: 'tag:yaml.org,2002:omap',
- resolve(seq, onError) {
- const pairs = resolvePairs(seq, onError);
- const seenKeys = [];
- for (const { key } of pairs.items) {
- if (isScalar(key)) {
- if (seenKeys.includes(key.value)) {
- onError(`Ordered maps must not include duplicate keys: ${key.value}`);
- }
- else {
- seenKeys.push(key.value);
- }
- }
- }
- return Object.assign(new YAMLOMap(), pairs);
- },
- createNode: (schema, iterable, ctx) => YAMLOMap.from(schema, iterable, ctx)
- };
- export { YAMLOMap, omap };
|