83 lines
2.8 KiB
JavaScript
83 lines
2.8 KiB
JavaScript
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'use strict';
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var identity = require('../../nodes/identity.js');
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var Pair = require('../../nodes/Pair.js');
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var Scalar = require('../../nodes/Scalar.js');
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var YAMLSeq = require('../../nodes/YAMLSeq.js');
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function resolvePairs(seq, onError) {
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if (identity.isSeq(seq)) {
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for (let i = 0; i < seq.items.length; ++i) {
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let item = seq.items[i];
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if (identity.isPair(item))
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continue;
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else if (identity.isMap(item)) {
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if (item.items.length > 1)
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onError('Each pair must have its own sequence indicator');
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const pair = item.items[0] || new Pair.Pair(new Scalar.Scalar(null));
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if (item.commentBefore)
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pair.key.commentBefore = pair.key.commentBefore
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? `${item.commentBefore}\n${pair.key.commentBefore}`
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: item.commentBefore;
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if (item.comment) {
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const cn = pair.value ?? pair.key;
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cn.comment = cn.comment
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? `${item.comment}\n${cn.comment}`
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: item.comment;
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}
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item = pair;
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}
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seq.items[i] = identity.isPair(item) ? item : new Pair.Pair(item);
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}
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}
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else
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onError('Expected a sequence for this tag');
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return seq;
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}
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function createPairs(schema, iterable, ctx) {
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const { replacer } = ctx;
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const pairs = new YAMLSeq.YAMLSeq(schema);
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pairs.tag = 'tag:yaml.org,2002:pairs';
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let i = 0;
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if (iterable && Symbol.iterator in Object(iterable))
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for (let it of iterable) {
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if (typeof replacer === 'function')
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it = replacer.call(iterable, String(i++), it);
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let key, value;
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if (Array.isArray(it)) {
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if (it.length === 2) {
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key = it[0];
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value = it[1];
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}
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else
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throw new TypeError(`Expected [key, value] tuple: ${it}`);
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}
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else if (it && it instanceof Object) {
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const keys = Object.keys(it);
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if (keys.length === 1) {
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key = keys[0];
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value = it[key];
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}
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else {
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throw new TypeError(`Expected tuple with one key, not ${keys.length} keys`);
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}
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}
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else {
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key = it;
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}
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pairs.items.push(Pair.createPair(key, value, ctx));
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}
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return pairs;
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}
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const pairs = {
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collection: 'seq',
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default: false,
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tag: 'tag:yaml.org,2002:pairs',
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resolve: resolvePairs,
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createNode: createPairs
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};
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exports.createPairs = createPairs;
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exports.pairs = pairs;
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exports.resolvePairs = resolvePairs;
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