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Edit File: compose-collection.js

'use strict';

var identity = require('../nodes/identity.js');
var Scalar = require('../nodes/Scalar.js');
var YAMLMap = require('../nodes/YAMLMap.js');
var YAMLSeq = require('../nodes/YAMLSeq.js');
var resolveBlockMap = require('./resolve-block-map.js');
var resolveBlockSeq = require('./resolve-block-seq.js');
var resolveFlowCollection = require('./resolve-flow-collection.js');

function resolveCollection(CN, ctx, token, onError, tagName, tag) {
    const coll = token.type === 'block-map'
        ? resolveBlockMap.resolveBlockMap(CN, ctx, token, onError, tag)
        : token.type === 'block-seq'
            ? resolveBlockSeq.resolveBlockSeq(CN, ctx, token, onError, tag)
            : resolveFlowCollection.resolveFlowCollection(CN, ctx, token, onError, tag);
    const Coll = coll.constructor;
    // If we got a tagName matching the class, or the tag name is '!',
    // then use the tagName from the node class used to create it.
    if (tagName === '!' || tagName === Coll.tagName) {
        coll.tag = Coll.tagName;
        return coll;
    }
    if (tagName)
        coll.tag = tagName;
    return coll;
}
function composeCollection(CN, ctx, token, props, onError) {
    const tagToken = props.tag;
    const tagName = !tagToken
        ? null
        : ctx.directives.tagName(tagToken.source, msg => onError(tagToken, 'TAG_RESOLVE_FAILED', msg));
    if (token.type === 'block-seq') {
        const { anchor, newlineAfterProp: nl } = props;
        const lastProp = anchor && tagToken
            ? anchor.offset > tagToken.offset
                ? anchor
                : tagToken
            : (anchor ?? tagToken);
        if (lastProp && (!nl || nl.offset < lastProp.offset)) {
            const message = 'Missing newline after block sequence props';
            onError(lastProp, 'MISSING_CHAR', message);
        }
    }
    const expType = token.type === 'block-map'
        ? 'map'
        : token.type === 'block-seq'
            ? 'seq'
            : token.start.source === '{'
                ? 'map'
                : 'seq';
    // shortcut: check if it's a generic YAMLMap or YAMLSeq
    // before jumping into the custom tag logic.
    if (!tagToken ||
        !tagName ||
        tagName === '!' ||
        (tagName === YAMLMap.YAMLMap.tagName && expType === 'map') ||
        (tagName === YAMLSeq.YAMLSeq.tagName && expType === 'seq')) {
        return resolveCollection(CN, ctx, token, onError, tagName);
    }
    let tag = ctx.schema.tags.find(t => t.tag === tagName && t.collection === expType);
    if (!tag) {
        const kt = ctx.schema.knownTags[tagName];
        if (kt && kt.collection === expType) {
            ctx.schema.tags.push(Object.assign({}, kt, { default: false }));
            tag = kt;
        }
        else {
            if (kt?.collection) {
                onError(tagToken, 'BAD_COLLECTION_TYPE', `${kt.tag} used for ${expType} collection, but expects ${kt.collection}`, true);
            }
            else {
                onError(tagToken, 'TAG_RESOLVE_FAILED', `Unresolved tag: ${tagName}`, true);
            }
            return resolveCollection(CN, ctx, token, onError, tagName);
        }
    }
    const coll = resolveCollection(CN, ctx, token, onError, tagName, tag);
    const res = tag.resolve?.(coll, msg => onError(tagToken, 'TAG_RESOLVE_FAILED', msg), ctx.options) ?? coll;
    const node = identity.isNode(res)
        ? res
        : new Scalar.Scalar(res);
    node.range = coll.range;
    node.tag = tagName;
    if (tag?.format)
        node.format = tag.format;
    return node;
}

exports.composeCollection = composeCollection;

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