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