| 1 | 'use strict';
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| 2 |
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| 3 | var identity = require('../../nodes/identity.js');
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| 4 | var Pair = require('../../nodes/Pair.js');
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| 5 | var Scalar = require('../../nodes/Scalar.js');
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| 6 | var YAMLSeq = require('../../nodes/YAMLSeq.js');
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| 7 |
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| 8 | function resolvePairs(seq, onError) {
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| 9 | if (identity.isSeq(seq)) {
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| 10 | for (let i = 0; i < seq.items.length; ++i) {
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| 11 | let item = seq.items[i];
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| 12 | if (identity.isPair(item))
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| 13 | continue;
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| 14 | else if (identity.isMap(item)) {
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| 15 | if (item.items.length > 1)
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| 16 | onError('Each pair must have its own sequence indicator');
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| 17 | const pair = item.items[0] || new Pair.Pair(new Scalar.Scalar(null));
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| 18 | if (item.commentBefore)
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| 19 | pair.key.commentBefore = pair.key.commentBefore
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| 20 | ? `${item.commentBefore}\n${pair.key.commentBefore}`
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| 21 | : item.commentBefore;
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| 22 | if (item.comment) {
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| 23 | const cn = pair.value ?? pair.key;
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| 24 | cn.comment = cn.comment
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| 25 | ? `${item.comment}\n${cn.comment}`
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| 26 | : item.comment;
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| 27 | }
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| 28 | item = pair;
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| 29 | }
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| 30 | seq.items[i] = identity.isPair(item) ? item : new Pair.Pair(item);
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| 31 | }
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| 32 | }
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| 33 | else
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| 34 | onError('Expected a sequence for this tag');
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| 35 | return seq;
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| 36 | }
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| 37 | function createPairs(schema, iterable, ctx) {
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| 38 | const { replacer } = ctx;
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| 39 | const pairs = new YAMLSeq.YAMLSeq(schema);
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| 40 | pairs.tag = 'tag:yaml.org,2002:pairs';
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| 41 | let i = 0;
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| 42 | if (iterable && Symbol.iterator in Object(iterable))
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| 43 | for (let it of iterable) {
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| 44 | if (typeof replacer === 'function')
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| 45 | it = replacer.call(iterable, String(i++), it);
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| 46 | let key, value;
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| 47 | if (Array.isArray(it)) {
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| 48 | if (it.length === 2) {
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| 49 | key = it[0];
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| 50 | value = it[1];
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| 51 | }
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| 52 | else
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| 53 | throw new TypeError(`Expected [key, value] tuple: ${it}`);
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| 54 | }
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| 55 | else if (it && it instanceof Object) {
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| 56 | const keys = Object.keys(it);
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| 57 | if (keys.length === 1) {
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| 58 | key = keys[0];
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| 59 | value = it[key];
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| 60 | }
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| 61 | else {
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| 62 | throw new TypeError(`Expected tuple with one key, not ${keys.length} keys`);
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| 63 | }
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| 64 | }
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| 65 | else {
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| 66 | key = it;
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| 67 | }
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| 68 | pairs.items.push(Pair.createPair(key, value, ctx));
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| 69 | }
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| 70 | return pairs;
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| 71 | }
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| 72 | const pairs = {
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| 73 | collection: 'seq',
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| 74 | default: false,
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| 75 | tag: 'tag:yaml.org,2002:pairs',
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| 76 | resolve: resolvePairs,
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| 77 | createNode: createPairs
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| 78 | };
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| 79 |
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| 80 | exports.createPairs = createPairs;
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| 81 | exports.pairs = pairs;
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| 82 | exports.resolvePairs = resolvePairs;
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