mirror of
https://github.com/dawidd6/action-ansible-playbook.git
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218 lines
8.2 KiB
JavaScript
218 lines
8.2 KiB
JavaScript
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import { Directives } from '../doc/directives.js';
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import { Document } from '../doc/Document.js';
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import { YAMLWarning, YAMLParseError } from '../errors.js';
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import { isCollection, isPair } from '../nodes/Node.js';
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import { composeDoc } from './compose-doc.js';
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import { resolveEnd } from './resolve-end.js';
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function getErrorPos(src) {
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if (typeof src === 'number')
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return [src, src + 1];
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if (Array.isArray(src))
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return src.length === 2 ? src : [src[0], src[1]];
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const { offset, source } = src;
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return [offset, offset + (typeof source === 'string' ? source.length : 1)];
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}
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function parsePrelude(prelude) {
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let comment = '';
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let atComment = false;
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let afterEmptyLine = false;
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for (let i = 0; i < prelude.length; ++i) {
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const source = prelude[i];
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switch (source[0]) {
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case '#':
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comment +=
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(comment === '' ? '' : afterEmptyLine ? '\n\n' : '\n') +
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(source.substring(1) || ' ');
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atComment = true;
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afterEmptyLine = false;
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break;
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case '%':
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if (prelude[i + 1]?.[0] !== '#')
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i += 1;
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atComment = false;
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break;
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default:
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// This may be wrong after doc-end, but in that case it doesn't matter
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if (!atComment)
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afterEmptyLine = true;
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atComment = false;
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}
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}
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return { comment, afterEmptyLine };
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}
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/**
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* Compose a stream of CST nodes into a stream of YAML Documents.
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*
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* ```ts
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* import { Composer, Parser } from 'yaml'
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*
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* const src: string = ...
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* const tokens = new Parser().parse(src)
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* const docs = new Composer().compose(tokens)
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* ```
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*/
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class Composer {
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constructor(options = {}) {
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this.doc = null;
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this.atDirectives = false;
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this.prelude = [];
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this.errors = [];
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this.warnings = [];
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this.onError = (source, code, message, warning) => {
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const pos = getErrorPos(source);
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if (warning)
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this.warnings.push(new YAMLWarning(pos, code, message));
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else
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this.errors.push(new YAMLParseError(pos, code, message));
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};
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// eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
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this.directives = new Directives({ version: options.version || '1.2' });
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this.options = options;
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}
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decorate(doc, afterDoc) {
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const { comment, afterEmptyLine } = parsePrelude(this.prelude);
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//console.log({ dc: doc.comment, prelude, comment })
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if (comment) {
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const dc = doc.contents;
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if (afterDoc) {
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doc.comment = doc.comment ? `${doc.comment}\n${comment}` : comment;
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}
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else if (afterEmptyLine || doc.directives.docStart || !dc) {
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doc.commentBefore = comment;
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}
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else if (isCollection(dc) && !dc.flow && dc.items.length > 0) {
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let it = dc.items[0];
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if (isPair(it))
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it = it.key;
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const cb = it.commentBefore;
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it.commentBefore = cb ? `${comment}\n${cb}` : comment;
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}
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else {
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const cb = dc.commentBefore;
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dc.commentBefore = cb ? `${comment}\n${cb}` : comment;
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}
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}
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if (afterDoc) {
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Array.prototype.push.apply(doc.errors, this.errors);
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Array.prototype.push.apply(doc.warnings, this.warnings);
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}
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else {
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doc.errors = this.errors;
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doc.warnings = this.warnings;
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}
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this.prelude = [];
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this.errors = [];
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this.warnings = [];
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}
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/**
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* Current stream status information.
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*
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* Mostly useful at the end of input for an empty stream.
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*/
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streamInfo() {
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return {
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comment: parsePrelude(this.prelude).comment,
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directives: this.directives,
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errors: this.errors,
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warnings: this.warnings
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};
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}
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/**
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* Compose tokens into documents.
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*
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* @param forceDoc - If the stream contains no document, still emit a final document including any comments and directives that would be applied to a subsequent document.
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* @param endOffset - Should be set if `forceDoc` is also set, to set the document range end and to indicate errors correctly.
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*/
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*compose(tokens, forceDoc = false, endOffset = -1) {
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for (const token of tokens)
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yield* this.next(token);
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yield* this.end(forceDoc, endOffset);
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}
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/** Advance the composer by one CST token. */
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*next(token) {
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switch (token.type) {
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case 'directive':
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this.directives.add(token.source, (offset, message, warning) => {
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const pos = getErrorPos(token);
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pos[0] += offset;
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this.onError(pos, 'BAD_DIRECTIVE', message, warning);
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});
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this.prelude.push(token.source);
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this.atDirectives = true;
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break;
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case 'document': {
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const doc = composeDoc(this.options, this.directives, token, this.onError);
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if (this.atDirectives && !doc.directives.docStart)
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this.onError(token, 'MISSING_CHAR', 'Missing directives-end/doc-start indicator line');
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this.decorate(doc, false);
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if (this.doc)
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yield this.doc;
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this.doc = doc;
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this.atDirectives = false;
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break;
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}
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case 'byte-order-mark':
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case 'space':
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break;
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case 'comment':
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case 'newline':
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this.prelude.push(token.source);
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break;
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case 'error': {
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const msg = token.source
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? `${token.message}: ${JSON.stringify(token.source)}`
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: token.message;
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const error = new YAMLParseError(getErrorPos(token), 'UNEXPECTED_TOKEN', msg);
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if (this.atDirectives || !this.doc)
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this.errors.push(error);
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else
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this.doc.errors.push(error);
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break;
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}
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case 'doc-end': {
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if (!this.doc) {
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const msg = 'Unexpected doc-end without preceding document';
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this.errors.push(new YAMLParseError(getErrorPos(token), 'UNEXPECTED_TOKEN', msg));
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break;
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}
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this.doc.directives.docEnd = true;
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const end = resolveEnd(token.end, token.offset + token.source.length, this.doc.options.strict, this.onError);
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this.decorate(this.doc, true);
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if (end.comment) {
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const dc = this.doc.comment;
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this.doc.comment = dc ? `${dc}\n${end.comment}` : end.comment;
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}
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this.doc.range[2] = end.offset;
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break;
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}
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default:
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this.errors.push(new YAMLParseError(getErrorPos(token), 'UNEXPECTED_TOKEN', `Unsupported token ${token.type}`));
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}
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}
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/**
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* Call at end of input to yield any remaining document.
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*
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* @param forceDoc - If the stream contains no document, still emit a final document including any comments and directives that would be applied to a subsequent document.
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* @param endOffset - Should be set if `forceDoc` is also set, to set the document range end and to indicate errors correctly.
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*/
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*end(forceDoc = false, endOffset = -1) {
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if (this.doc) {
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this.decorate(this.doc, true);
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yield this.doc;
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this.doc = null;
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}
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else if (forceDoc) {
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const opts = Object.assign({ _directives: this.directives }, this.options);
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const doc = new Document(undefined, opts);
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if (this.atDirectives)
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this.onError(endOffset, 'MISSING_CHAR', 'Missing directives-end indicator line');
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doc.range = [0, endOffset, endOffset];
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this.decorate(doc, false);
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yield doc;
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}
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}
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}
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export { Composer };
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