93 lines
3.3 KiB
JavaScript
93 lines
3.3 KiB
JavaScript
import { Alias } from '../nodes/Alias.js';
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import { composeCollection } from './compose-collection.js';
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import { composeScalar } from './compose-scalar.js';
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import { resolveEnd } from './resolve-end.js';
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import { emptyScalarPosition } from './util-empty-scalar-position.js';
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const CN = { composeNode, composeEmptyNode };
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function composeNode(ctx, token, props, onError) {
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const { spaceBefore, comment, anchor, tag } = props;
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let node;
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let isSrcToken = true;
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switch (token.type) {
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case 'alias':
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node = composeAlias(ctx, token, onError);
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if (anchor || tag)
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onError(token, 'ALIAS_PROPS', 'An alias node must not specify any properties');
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break;
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case 'scalar':
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case 'single-quoted-scalar':
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case 'double-quoted-scalar':
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case 'block-scalar':
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node = composeScalar(ctx, token, tag, onError);
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if (anchor)
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node.anchor = anchor.source.substring(1);
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break;
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case 'block-map':
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case 'block-seq':
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case 'flow-collection':
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node = composeCollection(CN, ctx, token, tag, onError);
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if (anchor)
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node.anchor = anchor.source.substring(1);
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break;
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default: {
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const message = token.type === 'error'
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? token.message
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: `Unsupported token (type: ${token.type})`;
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onError(token, 'UNEXPECTED_TOKEN', message);
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node = composeEmptyNode(ctx, token.offset, undefined, null, props, onError);
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isSrcToken = false;
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}
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}
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if (anchor && node.anchor === '')
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onError(anchor, 'BAD_ALIAS', 'Anchor cannot be an empty string');
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if (spaceBefore)
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node.spaceBefore = true;
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if (comment) {
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if (token.type === 'scalar' && token.source === '')
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node.comment = comment;
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else
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node.commentBefore = comment;
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}
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// @ts-expect-error Type checking misses meaning of isSrcToken
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if (ctx.options.keepSourceTokens && isSrcToken)
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node.srcToken = token;
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return node;
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}
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function composeEmptyNode(ctx, offset, before, pos, { spaceBefore, comment, anchor, tag, end }, onError) {
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const token = {
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type: 'scalar',
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offset: emptyScalarPosition(offset, before, pos),
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indent: -1,
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source: ''
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};
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const node = composeScalar(ctx, token, tag, onError);
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if (anchor) {
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node.anchor = anchor.source.substring(1);
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if (node.anchor === '')
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onError(anchor, 'BAD_ALIAS', 'Anchor cannot be an empty string');
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}
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if (spaceBefore)
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node.spaceBefore = true;
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if (comment) {
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node.comment = comment;
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node.range[2] = end;
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}
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return node;
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}
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function composeAlias({ options }, { offset, source, end }, onError) {
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const alias = new Alias(source.substring(1));
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if (alias.source === '')
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onError(offset, 'BAD_ALIAS', 'Alias cannot be an empty string');
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if (alias.source.endsWith(':'))
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onError(offset + source.length - 1, 'BAD_ALIAS', 'Alias ending in : is ambiguous', true);
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const valueEnd = offset + source.length;
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const re = resolveEnd(end, valueEnd, options.strict, onError);
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alias.range = [offset, valueEnd, re.offset];
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if (re.comment)
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alias.comment = re.comment;
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return alias;
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}
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export { composeEmptyNode, composeNode };
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