stringifyDocument.js
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'use strict';
var Node = require('../nodes/Node.js');
var stringify = require('./stringify.js');
var stringifyComment = require('./stringifyComment.js');
function stringifyDocument(doc, options) {
const lines = [];
let hasDirectives = options.directives === true;
if (options.directives !== false && doc.directives) {
const dir = doc.directives.toString(doc);
if (dir) {
lines.push(dir);
hasDirectives = true;
}
else if (doc.directives.docStart)
hasDirectives = true;
}
if (hasDirectives)
lines.push('---');
const ctx = stringify.createStringifyContext(doc, options);
const { commentString } = ctx.options;
if (doc.commentBefore) {
if (lines.length !== 1)
lines.unshift('');
const cs = commentString(doc.commentBefore);
lines.unshift(stringifyComment.indentComment(cs, ''));
}
let chompKeep = false;
let contentComment = null;
if (doc.contents) {
if (Node.isNode(doc.contents)) {
if (doc.contents.spaceBefore && hasDirectives)
lines.push('');
if (doc.contents.commentBefore) {
const cs = commentString(doc.contents.commentBefore);
lines.push(stringifyComment.indentComment(cs, ''));
}
// top-level block scalars need to be indented if followed by a comment
ctx.forceBlockIndent = !!doc.comment;
contentComment = doc.contents.comment;
}
const onChompKeep = contentComment ? undefined : () => (chompKeep = true);
let body = stringify.stringify(doc.contents, ctx, () => (contentComment = null), onChompKeep);
if (contentComment)
body += stringifyComment.lineComment(body, '', commentString(contentComment));
if ((body[0] === '|' || body[0] === '>') &&
lines[lines.length - 1] === '---') {
// Top-level block scalars with a preceding doc marker ought to use the
// same line for their header.
lines[lines.length - 1] = `--- ${body}`;
}
else
lines.push(body);
}
else {
lines.push(stringify.stringify(doc.contents, ctx));
}
if (doc.directives?.docEnd) {
if (doc.comment) {
const cs = commentString(doc.comment);
if (cs.includes('\n')) {
lines.push('...');
lines.push(stringifyComment.indentComment(cs, ''));
}
else {
lines.push(`... ${cs}`);
}
}
else {
lines.push('...');
}
}
else {
let dc = doc.comment;
if (dc && chompKeep)
dc = dc.replace(/^\n+/, '');
if (dc) {
if ((!chompKeep || contentComment) && lines[lines.length - 1] !== '')
lines.push('');
lines.push(stringifyComment.indentComment(commentString(dc), ''));
}
}
return lines.join('\n') + '\n';
}
exports.stringifyDocument = stringifyDocument;