yaml - npm Package Compare versions

Comparing version 2.0.1 to 2.1.0

browser/dist/compose/compose-collection.js

@@ -54,3 +54,3 @@ import { isNode, isMap } from '../nodes/Node.js';
     node.tag = tagName;
-    if (tag === null || tag === void 0 ? void 0 : tag.format)
+    if (tag?.format)
         node.format = tag.format;
@@ -57,0 +57,0 @@ return node;

browser/dist/compose/compose-doc.js

@@ -7,3 +7,3 @@ import { Document } from '../doc/Document.js';
 function composeDoc(options, directives, { offset, start, value, end }, onError) {
-    const opts = Object.assign({ directives }, options);
+    const opts = Object.assign({ _directives: directives }, options);
     const doc = new Document(undefined, opts);
@@ -18,3 +18,3 @@ const ctx = {
         indicator: 'doc-start',
-        next: value !== null && value !== void 0 ? value : end === null || end === void 0 ? void 0 : end[0],
+        next: value ?? end?.[0],
         offset,
@@ -21,0 +21,0 @@ onError,

browser/dist/compose/compose-scalar.js

@@ -20,3 +20,3 @@ import { SCALAR, isScalar } from '../nodes/Node.js';
     try {
-        const res = tag.resolve(value, msg => onError(tagToken !== null && tagToken !== void 0 ? tagToken : token, 'TAG_RESOLVE_FAILED', msg), ctx.options);
+        const res = tag.resolve(value, msg => onError(tagToken ?? token, 'TAG_RESOLVE_FAILED', msg), ctx.options);
         scalar = isScalar(res) ? res : new Scalar(res);
@@ -26,3 +26,3 @@ }
         const msg = error instanceof Error ? error.message : String(error);
-        onError(tagToken !== null && tagToken !== void 0 ? tagToken : token, 'TAG_RESOLVE_FAILED', msg);
+        onError(tagToken ?? token, 'TAG_RESOLVE_FAILED', msg);
         scalar = new Scalar(value);
@@ -43,3 +43,2 @@ }
 function findScalarTagByName(schema, value, tagName, tagToken, onError) {
-    var _a;
     if (tagName === '!')
@@ -57,3 +56,3 @@ return schema[SCALAR]; // non-specific tag
     for (const tag of matchWithTest)
-        if ((_a = tag.test) === null || _a === void 0 ? void 0 : _a.test(value))
+        if (tag.test?.test(value))
             return tag;
@@ -71,6 +70,6 @@ const kt = schema.knownTags[tagName];
 function findScalarTagByTest({ directives, schema }, value, token, onError) {
-    var _a;
-    const tag = schema.tags.find(tag => { var _a; return tag.default && ((_a = tag.test) === null || _a === void 0 ? void 0 : _a.test(value)); }) || schema[SCALAR];
+    const tag = schema.tags.find(tag => tag.default && tag.test?.test(value)) || schema[SCALAR];
     if (schema.compat) {
-        const compat = (_a = schema.compat.find(tag => { var _a; return tag.default && ((_a = tag.test) === null || _a === void 0 ? void 0 : _a.test(value)); })) !== null && _a !== void 0 ? _a : schema[SCALAR];
+        const compat = schema.compat.find(tag => tag.default && tag.test?.test(value)) ??
+            schema[SCALAR];
         if (tag.tag !== compat.tag) {
@@ -77,0 +76,0 @@ const ts = directives.tagString(tag.tag);

browser/dist/compose/composer.js

@@ -17,3 +17,2 @@ import { Directives } from '../doc/directives.js';
 function parsePrelude(prelude) {
-    var _a;
     let comment = '';
@@ -33,3 +32,3 @@ let atComment = false;
             case '%':
-                if (((_a = prelude[i + 1]) === null || _a === void 0 ? void 0 : _a[0]) !== '#')
+                if (prelude[i + 1]?.[0] !== '#')
                     i += 1;
@@ -209,3 +208,3 @@ atComment = false;
         else if (forceDoc) {
-            const opts = Object.assign({ directives: this.directives }, this.options);
+            const opts = Object.assign({ _directives: this.directives }, this.options);
             const doc = new Document(undefined, opts);
@@ -212,0 +211,0 @@ if (this.atDirectives)

browser/dist/compose/resolve-block-map.js

@@ -10,3 +10,2 @@ import { Pair } from '../nodes/Pair.js';
 function resolveBlockMap({ composeNode, composeEmptyNode }, ctx, bm, onError) {
-    var _a;
     const map = new YAMLMap(ctx.schema);
@@ -21,3 +20,3 @@ if (ctx.atRoot)
             indicator: 'explicit-key-ind',
-            next: key !== null && key !== void 0 ? key : sep === null || sep === void 0 ? void 0 : sep[0],
+            next: key ?? sep?.[0],
             offset,
@@ -46,6 +45,6 @@ onError,
             if (keyProps.hasNewlineAfterProp || containsNewline(key)) {
-                onError(key !== null && key !== void 0 ? key : start[start.length - 1], 'MULTILINE_IMPLICIT_KEY', 'Implicit keys need to be on a single line');
+                onError(key ?? start[start.length - 1], 'MULTILINE_IMPLICIT_KEY', 'Implicit keys need to be on a single line');
             }
         }
-        else if (((_a = keyProps.found) === null || _a === void 0 ? void 0 : _a.indent) !== bm.indent) {
+        else if (keyProps.found?.indent !== bm.indent) {
             onError(offset, 'BAD_INDENT', startColMsg);
@@ -63,3 +62,3 @@ }
         // value properties
-        const valueProps = resolveProps(sep !== null && sep !== void 0 ? sep : [], {
+        const valueProps = resolveProps(sep ?? [], {
             indicator: 'map-value-ind',
@@ -74,3 +73,3 @@ next: value,
             if (implicitKey) {
-                if ((value === null || value === void 0 ? void 0 : value.type) === 'block-map' && !valueProps.hasNewline)
+                if (value?.type === 'block-map' && !valueProps.hasNewline)
                     onError(offset, 'BLOCK_AS_IMPLICIT_KEY', 'Nested mappings are not allowed in compact mappings');
@@ -77,0 +76,0 @@ if (ctx.options.strict &&

browser/dist/compose/resolve-block-scalar.js

@@ -185,3 +185,3 @@ import { Scalar } from '../nodes/Scalar.js';
     const m = first.match(/^( *)/);
-    const line0 = (m === null || m === void 0 ? void 0 : m[1])
+    const line0 = m?.[1]
         ? [m[1], first.slice(m[1].length)]
@@ -188,0 +188,0 @@ : ['', first];

browser/dist/compose/resolve-flow-collection.js

@@ -13,3 +13,2 @@ import { isPair } from '../nodes/Node.js';
 function resolveFlowCollection({ composeNode, composeEmptyNode }, ctx, fc, onError) {
-    var _a;
     const isMap = fc.start.source === '{';
@@ -31,3 +30,3 @@ const fcName = isMap ? 'flow map' : 'flow sequence';
             indicator: 'explicit-key-ind',
-            next: key !== null && key !== void 0 ? key : sep === null || sep === void 0 ? void 0 : sep[0],
+            next: key ?? sep?.[0],
             offset,
@@ -80,3 +79,3 @@ onError,
                     if (isPair(prev))
-                        prev = (_a = prev.value) !== null && _a !== void 0 ? _a : prev.key;
+                        prev = prev.value ?? prev.key;
                     if (prev.comment)
@@ -111,3 +110,3 @@ prev.comment += '\n' + prevItemComment;
             // value properties
-            const valueProps = resolveProps(sep !== null && sep !== void 0 ? sep : [], {
+            const valueProps = resolveProps(sep ?? [], {
                 flow: fcName,
@@ -114,0 +113,0 @@ indicator: 'map-value-ind',

browser/dist/compose/resolve-flow-scalar.js

@@ -75,3 +75,2 @@ import { Scalar } from '../nodes/Scalar.js';
 function foldLines(source) {
-    var _a;
     /**
@@ -116,3 +115,3 @@ * The negative lookbehind here and in the `re` RegExp is to
     match = last.exec(source);
-    return res + sep + ((_a = match === null || match === void 0 ? void 0 : match[1]) !== null && _a !== void 0 ? _a : '');
+    return res + sep + (match?.[1] ?? '');
 }
@@ -119,0 +118,0 @@ function doubleQuotedValue(source, onError) {

browser/dist/compose/resolve-props.js

@@ -90,3 +90,3 @@ function resolveProps(tokens, { flow, indicator, next, offset, onError, startOnNewline }) {
                 if (found)
-                    onError(token, 'UNEXPECTED_TOKEN', `Unexpected ${token.source} in ${flow !== null && flow !== void 0 ? flow : 'collection'}`);
+                    onError(token, 'UNEXPECTED_TOKEN', `Unexpected ${token.source} in ${flow ?? 'collection'}`);
                 found = token;
@@ -131,3 +131,3 @@ atNewline = false;
         end,
-        start: start !== null && start !== void 0 ? start : end
+        start: start ?? end
     };
@@ -134,0 +134,0 @@ }

browser/dist/compose/util-empty-scalar-position.js

@@ -17,3 +17,3 @@ function emptyScalarPosition(offset, before, pos) {
             st = before[++i];
-            while ((st === null || st === void 0 ? void 0 : st.type) === 'space') {
+            while (st?.type === 'space') {
                 offset += st.source.length;
@@ -20,0 +20,0 @@ st = before[++i];

browser/dist/compose/util-flow-indent-check.js

 import { containsNewline } from './util-contains-newline.js';
 
 function flowIndentCheck(indent, fc, onError) {
-    if ((fc === null || fc === void 0 ? void 0 : fc.type) === 'flow-collection') {
+    if (fc?.type === 'flow-collection') {
         const end = fc.end[0];
@@ -6,0 +6,0 @@ if (end.indent === indent &&

browser/dist/doc/createNode.js

@@ -7,6 +7,5 @@ import { Alias } from '../nodes/Alias.js';
 function findTagObject(value, tagName, tags) {
-    var _a;
     if (tagName) {
         const match = tags.filter(t => t.tag === tagName);
-        const tagObj = (_a = match.find(t => !t.format)) !== null && _a !== void 0 ? _a : match[0];
+        const tagObj = match.find(t => !t.format) ?? match[0];
         if (!tagObj)
@@ -16,6 +15,5 @@ throw new Error(`Tag ${tagName} not found`);
     }
-    return tags.find(t => { var _a; return ((_a = t.identify) === null || _a === void 0 ? void 0 : _a.call(t, value)) && !t.format; });
+    return tags.find(t => t.identify?.(value) && !t.format);
 }
 function createNode(value, tagName, ctx) {
-    var _a, _b;
     if (isDocument(value))
@@ -26,3 +24,3 @@ value = value.contents;
     if (isPair(value)) {
-        const map = (_b = (_a = ctx.schema[MAP]).createNode) === null || _b === void 0 ? void 0 : _b.call(_a, ctx.schema, null, ctx);
+        const map = ctx.schema[MAP].createNode?.(ctx.schema, null, ctx);
         map.items.push(value);
@@ -55,3 +53,3 @@ return map;
     }
-    if (tagName === null || tagName === void 0 ? void 0 : tagName.startsWith('!!'))
+    if (tagName?.startsWith('!!'))
         tagName = defaultTagPrefix + tagName.slice(2);
@@ -81,3 +79,3 @@ let tagObj = findTagObject(value, tagName, schema.tags);
     }
-    const node = (tagObj === null || tagObj === void 0 ? void 0 : tagObj.createNode)
+    const node = tagObj?.createNode
         ? tagObj.createNode(ctx.schema, value, ctx)
@@ -84,0 +82,0 @@ : new Scalar(value);

browser/dist/doc/Document.js

@@ -44,4 +44,4 @@ import { Alias } from '../nodes/Alias.js';
         let { version } = opt;
-        if (options === null || options === void 0 ? void 0 : options.directives) {
-            this.directives = options.directives.atDocument();
+        if (options?._directives) {
+            this.directives = options._directives.atDocument();
             if (this.directives.yaml.explicit)
@@ -128,3 +128,3 @@ version = this.directives.yaml.version;
         }
-        const { aliasDuplicateObjects, anchorPrefix, flow, keepUndefined, onTagObj, tag } = options !== null && options !== void 0 ? options : {};
+        const { aliasDuplicateObjects, anchorPrefix, flow, keepUndefined, onTagObj, tag } = options ?? {};
         const { onAnchor, setAnchors, sourceObjects } = createNodeAnchors(this, 
@@ -134,4 +134,4 @@ // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
         const ctx = {
-            aliasDuplicateObjects: aliasDuplicateObjects !== null && aliasDuplicateObjects !== void 0 ? aliasDuplicateObjects : true,
-            keepUndefined: keepUndefined !== null && keepUndefined !== void 0 ? keepUndefined : false,
+            aliasDuplicateObjects: aliasDuplicateObjects ?? true,
+            keepUndefined: keepUndefined ?? false,
             onAnchor,
@@ -300,3 +300,3 @@ onTagObj,
         };
-        const res = toJS(this.contents, jsonArg !== null && jsonArg !== void 0 ? jsonArg : '', ctx);
+        const res = toJS(this.contents, jsonArg ?? '', ctx);
         if (typeof onAnchor === 'function')
@@ -303,0 +303,0 @@ for (const { count, res } of ctx.anchors.values())

browser/dist/nodes/addPairToJSMap.js

@@ -9,3 +9,3 @@ import { warn } from '../log.js';
 function addPairToJSMap(ctx, map, { key, value }) {
-    if ((ctx === null || ctx === void 0 ? void 0 : ctx.doc.schema.merge) && isMergeKey(key)) {
+    if (ctx?.doc.schema.merge && isMergeKey(key)) {
         value = isAlias(value) ? value.resolve(ctx.doc) : value;
@@ -12,0 +12,0 @@ if (isSeq(value))

browser/dist/nodes/Collection.js

@@ -27,3 +27,4 @@ import { createNode } from '../doc/createNode.js';
 }
-// null, undefined, or an empty non-string iterable (e.g. [])
+// Type guard is intentionally a little wrong so as to be more useful,
+// as it does not cover untypable empty non-string iterables (e.g. []).
 const isEmptyPath = (path) => path == null ||
@@ -30,0 +31,0 @@ (typeof path === 'object' && !!path[Symbol.iterator]().next().done);

browser/dist/nodes/Pair.js

@@ -26,7 +26,7 @@ import { createNode } from '../doc/createNode.js';
     toJSON(_, ctx) {
-        const pair = (ctx === null || ctx === void 0 ? void 0 : ctx.mapAsMap) ? new Map() : {};
+        const pair = ctx?.mapAsMap ? new Map() : {};
         return addPairToJSMap(ctx, pair, this);
     }
     toString(ctx, onComment, onChompKeep) {
-        return (ctx === null || ctx === void 0 ? void 0 : ctx.doc)
+        return ctx?.doc
             ? stringifyPair(this, ctx, onComment, onChompKeep)
@@ -33,0 +33,0 @@ : JSON.stringify(this);

browser/dist/nodes/Scalar.js

@@ -11,3 +11,3 @@ import { NodeBase, SCALAR } from './Node.js';
     toJSON(arg, ctx) {
-        return (ctx === null || ctx === void 0 ? void 0 : ctx.keep) ? this.value : toJS(this.value, arg, ctx);
+        return ctx?.keep ? this.value : toJS(this.value, arg, ctx);
     }
@@ -14,0 +14,0 @@ toString() {

browser/dist/nodes/toJS.js

@@ -32,3 +32,3 @@ import { hasAnchor } from './Node.js';
     }
-    if (typeof value === 'bigint' && !(ctx === null || ctx === void 0 ? void 0 : ctx.keep))
+    if (typeof value === 'bigint' && !ctx?.keep)
         return Number(value);
@@ -35,0 +35,0 @@ return value;

browser/dist/nodes/YAMLMap.js

@@ -35,3 +35,2 @@ import { stringifyCollection } from '../stringify/stringifyCollection.js';
     add(pair, overwrite) {
-        var _a;
         let _pair;
@@ -42,3 +41,3 @@ if (isPair(pair))
             // In TypeScript, this never happens.
-            _pair = new Pair(pair, pair.value);
+            _pair = new Pair(pair, pair?.value);
         }
@@ -48,3 +47,3 @@ else
         const prev = findPair(this.items, _pair.key);
-        const sortEntries = (_a = this.schema) === null || _a === void 0 ? void 0 : _a.sortMapEntries;
+        const sortEntries = this.schema?.sortMapEntries;
         if (prev) {
@@ -79,4 +78,4 @@ if (!overwrite)
         const it = findPair(this.items, key);
-        const node = it === null || it === void 0 ? void 0 : it.value;
-        return !keepScalar && isScalar(node) ? node.value : node;
+        const node = it?.value;
+        return (!keepScalar && isScalar(node) ? node.value : node) ?? undefined;
     }
@@ -95,4 +94,4 @@ has(key) {
     toJSON(_, ctx, Type) {
-        const map = Type ? new Type() : (ctx === null || ctx === void 0 ? void 0 : ctx.mapAsMap) ? new Map() : {};
-        if (ctx === null || ctx === void 0 ? void 0 : ctx.onCreate)
+        const map = Type ? new Type() : ctx?.mapAsMap ? new Map() : {};
+        if (ctx?.onCreate)
             ctx.onCreate(map);
@@ -99,0 +98,0 @@ for (const item of this.items)

browser/dist/nodes/YAMLSeq.js

@@ -33,10 +33,2 @@ import { stringifyCollection } from '../stringify/stringifyCollection.js';
     }
-    /**
-     * Returns item at `key`, or `undefined` if not found. By default unwraps
-     * scalar values from their surrounding node; to disable set `keepScalar` to
-     * `true` (collections are always returned intact).
-     *
-     * `key` must contain a representation of an integer for this to succeed.
-     * It may be wrapped in a `Scalar`.
-     */
     get(key, keepScalar) {
@@ -78,3 +70,3 @@ const idx = asItemIndex(key);
         const seq = [];
-        if (ctx === null || ctx === void 0 ? void 0 : ctx.onCreate)
+        if (ctx?.onCreate)
             ctx.onCreate(seq);
@@ -81,0 +73,0 @@ let i = 0;

browser/dist/parse/cst-scalar.js

@@ -41,3 +41,2 @@ import { resolveBlockScalar } from '../compose/resolve-block-scalar.js';
 function createScalarToken(value, context) {
-    var _a;
     const { implicitKey = false, indent, inFlow = false, offset = -1, type = 'PLAIN' } = context;
@@ -50,3 +49,3 @@ const source = stringifyString({ type, value }, {
     });
-    const end = (_a = context.end) !== null && _a !== void 0 ? _a : [
+    const end = context.end ?? [
         { type: 'newline', offset: -1, indent, source: '\n' }
@@ -53,0 +52,0 @@ ];

browser/dist/parse/cst-visit.js

@@ -50,3 +50,3 @@ const BREAK = Symbol('break visit');
     for (const [field, index] of path) {
-        const tok = item === null || item === void 0 ? void 0 : item[field];
+        const tok = item?.[field];
         if (tok && 'items' in tok) {
@@ -68,3 +68,3 @@ item = tok.items[index];
     const field = path[path.length - 1][0];
-    const coll = parent === null || parent === void 0 ? void 0 : parent[field];
+    const coll = parent?.[field];
     if (coll && 'items' in coll)
@@ -71,0 +71,0 @@ return coll;

browser/dist/parse/lexer.js

@@ -151,3 +151,2 @@ import { BOM, DOCUMENT, FLOW_END, SCALAR } from './cst.js';
     *lex(source, incomplete = false) {
-        var _a;
         if (source) {
@@ -158,3 +157,3 @@ this.buffer = this.buffer ? this.buffer + source : source;
         this.atEnd = !incomplete;
-        let next = (_a = this.next) !== null && _a !== void 0 ? _a : 'stream';
+        let next = this.next ?? 'stream';
         while (next && (incomplete || this.hasChars(1)))
@@ -161,0 +160,0 @@ next = yield* this.parseNext(next);

browser/dist/parse/parser.js

@@ -24,3 +24,3 @@ import { tokenType } from './cst.js';
 function isFlowToken(token) {
-    switch (token === null || token === void 0 ? void 0 : token.type) {
+    switch (token?.type) {
         case 'alias':
@@ -37,3 +37,2 @@ case 'scalar':
 function getPrevProps(parent) {
-    var _a;
     switch (parent.type) {
@@ -44,3 +43,3 @@ case 'document':
             const it = parent.items[parent.items.length - 1];
-            return (_a = it.sep) !== null && _a !== void 0 ? _a : it.start;
+            return it.sep ?? it.start;
         }
@@ -56,3 +55,2 @@ case 'block-seq':
 function getFirstKeyStartProps(prev) {
-    var _a;
     if (prev.length === 0)
@@ -71,3 +69,3 @@ return [];
     }
-    while (((_a = prev[++i]) === null || _a === void 0 ? void 0 : _a.type) === 'space') {
+    while (prev[++i]?.type === 'space') {
         /* loop */
@@ -274,3 +272,3 @@ }
     *pop(error) {
-        const token = error !== null && error !== void 0 ? error : this.stack.pop();
+        const token = error ?? this.stack.pop();
         /* istanbul ignore if should not happen */
@@ -480,3 +478,2 @@ if (!token) {
     *blockMap(map) {
-        var _a;
         const it = map.items[map.items.length - 1];
@@ -490,4 +487,4 @@ // it.sep is true-ish if pair already has key or : separator
                     const last = Array.isArray(end) ? end[end.length - 1] : undefined;
-                    if ((last === null || last === void 0 ? void 0 : last.type) === 'comment')
-                        end === null || end === void 0 ? void 0 : end.push(this.sourceToken);
+                    if (last?.type === 'comment')
+                        end?.push(this.sourceToken);
                     else
@@ -514,3 +511,3 @@ map.items.push({ start: [this.sourceToken] });
                         const prev = map.items[map.items.length - 2];
-                        const end = (_a = prev === null || prev === void 0 ? void 0 : prev.value) === null || _a === void 0 ? void 0 : _a.end;
+                        const end = prev?.value?.end;
                         if (Array.isArray(end)) {
@@ -692,3 +689,2 @@ Array.prototype.push.apply(end, it.start);
     *blockSequence(seq) {
-        var _a;
         const it = seq.items[seq.items.length - 1];
@@ -700,4 +696,4 @@ switch (this.type) {
                     const last = Array.isArray(end) ? end[end.length - 1] : undefined;
-                    if ((last === null || last === void 0 ? void 0 : last.type) === 'comment')
-                        end === null || end === void 0 ? void 0 : end.push(this.sourceToken);
+                    if (last?.type === 'comment')
+                        end?.push(this.sourceToken);
                     else
@@ -716,3 +712,3 @@ seq.items.push({ start: [this.sourceToken] });
                         const prev = seq.items[seq.items.length - 2];
-                        const end = (_a = prev === null || prev === void 0 ? void 0 : prev.value) === null || _a === void 0 ? void 0 : _a.end;
+                        const end = prev?.value?.end;
                         if (Array.isArray(end)) {
@@ -719,0 +715,0 @@ Array.prototype.push.apply(end, it.start);

browser/dist/public-api.js

@@ -24,3 +24,3 @@ import { Composer } from './compose/composer.js';
     const { lineCounter, prettyErrors } = parseOptions(options);
-    const parser = new Parser(lineCounter === null || lineCounter === void 0 ? void 0 : lineCounter.addNewLine);
+    const parser = new Parser(lineCounter?.addNewLine);
     const composer = new Composer(options);
@@ -40,3 +40,3 @@ const docs = Array.from(composer.compose(parser.parse(source)));
     const { lineCounter, prettyErrors } = parseOptions(options);
-    const parser = new Parser(lineCounter === null || lineCounter === void 0 ? void 0 : lineCounter.addNewLine);
+    const parser = new Parser(lineCounter?.addNewLine);
     const composer = new Composer(options);
@@ -80,3 +80,2 @@ // `doc` is always set by compose.end(true) at the very latest
 function stringify(value, replacer, options) {
-    var _a;
     let _replacer = null;
@@ -96,3 +95,3 @@ if (typeof replacer === 'function' || Array.isArray(replacer)) {
     if (value === undefined) {
-        const { keepUndefined } = (_a = options !== null && options !== void 0 ? options : replacer) !== null && _a !== void 0 ? _a : {};
+        const { keepUndefined } = options ?? replacer ?? {};
         if (!keepUndefined)
@@ -99,0 +98,0 @@ return undefined;

browser/dist/schema/Schema.js

@@ -19,3 +19,3 @@ import { MAP, SCALAR, SEQ } from '../nodes/Node.js';
         this.tags = getTags(customTags, this.name);
-        this.toStringOptions = toStringDefaults !== null && toStringDefaults !== void 0 ? toStringDefaults : null;
+        this.toStringOptions = toStringDefaults ?? null;
         Object.defineProperty(this, MAP, { value: map });
@@ -22,0 +22,0 @@ Object.defineProperty(this, SCALAR, { value: string });

browser/dist/schema/yaml-1.1/omap.js

@@ -25,3 +25,3 @@ import { YAMLSeq } from '../../nodes/YAMLSeq.js';
         const map = new Map();
-        if (ctx === null || ctx === void 0 ? void 0 : ctx.onCreate)
+        if (ctx?.onCreate)
             ctx.onCreate(map);
@@ -28,0 +28,0 @@ for (const pair of this.items) {

browser/dist/schema/yaml-1.1/pairs.js

@@ -7,3 +7,2 @@ import { isSeq, isPair, isMap } from '../../nodes/Node.js';
 function resolvePairs(seq, onError) {
-    var _a;
     if (isSeq(seq)) {
@@ -23,3 +22,3 @@ for (let i = 0; i < seq.items.length; ++i) {
                 if (item.comment) {
-                    const cn = (_a = pair.value) !== null && _a !== void 0 ? _a : pair.key;
+                    const cn = pair.value ?? pair.key;
                     cn.comment = cn.comment
@@ -26,0 +25,0 @@ ? `${item.comment}\n${cn.comment}`

browser/dist/schema/yaml-1.1/set.js

@@ -25,2 +25,6 @@ import { isMap, isPair, isScalar } from '../../nodes/Node.js';
     }
+    /**
+     * If `keepPair` is `true`, returns the Pair matching `key`.
+     * Otherwise, returns the value of that Pair's key.
+     */
     get(key, keepPair) {
@@ -27,0 +31,0 @@ const pair = findPair(this.items, key);

browser/dist/stringify/stringify.js

@@ -46,7 +46,6 @@ import { anchorIsValid } from '../doc/anchors.js';
 function getTagObject(tags, item) {
-    var _a, _b, _c, _d;
     if (item.tag) {
         const match = tags.filter(t => t.tag === item.tag);
         if (match.length > 0)
-            return (_a = match.find(t => t.format === item.format)) !== null && _a !== void 0 ? _a : match[0];
+            return match.find(t => t.format === item.format) ?? match[0];
     }
@@ -57,5 +56,5 @@ let tagObj = undefined;
         obj = item.value;
-        const match = tags.filter(t => { var _a; return (_a = t.identify) === null || _a === void 0 ? void 0 : _a.call(t, obj); });
+        const match = tags.filter(t => t.identify?.(obj));
         tagObj =
-            (_b = match.find(t => t.format === item.format)) !== null && _b !== void 0 ? _b : match.find(t => !t.format);
+            match.find(t => t.format === item.format) ?? match.find(t => !t.format);
     }
@@ -67,3 +66,3 @@ else {
     if (!tagObj) {
-        const name = (_d = (_c = obj === null || obj === void 0 ? void 0 : obj.constructor) === null || _c === void 0 ? void 0 : _c.name) !== null && _d !== void 0 ? _d : typeof obj;
+        const name = obj?.constructor?.name ?? typeof obj;
         throw new Error(`Tag not resolved for ${name} value`);
@@ -89,3 +88,2 @@ }
 function stringify(item, ctx, onComment, onChompKeep) {
-    var _a, _b;
     if (isPair(item))
@@ -96,3 +94,3 @@ return item.toString(ctx, onComment, onChompKeep);
             return item.toString(ctx);
-        if ((_a = ctx.resolvedAliases) === null || _a === void 0 ? void 0 : _a.has(item)) {
+        if (ctx.resolvedAliases?.has(item)) {
             throw new TypeError(`Cannot stringify circular structure without alias nodes`);
@@ -116,3 +114,3 @@ }
     if (props.length > 0)
-        ctx.indentAtStart = ((_b = ctx.indentAtStart) !== null && _b !== void 0 ? _b : 0) + props.length + 1;
+        ctx.indentAtStart = (ctx.indentAtStart ?? 0) + props.length + 1;
     const str = typeof tagObj.stringify === 'function'
@@ -119,0 +117,0 @@ ? tagObj.stringify(node, ctx, onComment, onChompKeep)

browser/dist/stringify/stringifyCollection.js

@@ -7,4 +7,3 @@ import { Collection } from '../nodes/Collection.js';
 function stringifyCollection(collection, ctx, options) {
-    var _a;
-    const flow = (_a = ctx.inFlow) !== null && _a !== void 0 ? _a : collection.flow;
+    const flow = ctx.inFlow ?? collection.flow;
     const stringify = flow ? stringifyFlowCollection : stringifyBlockCollection;
@@ -11,0 +10,0 @@ return stringify(collection, ctx, options);

browser/dist/stringify/stringifyDocument.js

@@ -6,3 +6,2 @@ import { isNode } from '../nodes/Node.js';
 function stringifyDocument(doc, options) {
-    var _a;
     const lines = [];
@@ -59,3 +58,3 @@ let hasDirectives = options.directives === true;
     }
-    if ((_a = doc.directives) === null || _a === void 0 ? void 0 : _a.docEnd) {
+    if (doc.directives?.docEnd) {
         if (doc.comment) {
@@ -62,0 +61,0 @@ const cs = commentString(doc.comment);

browser/dist/stringify/stringifyString.js

@@ -266,5 +266,5 @@ import { Scalar } from '../nodes/Scalar.js';
     if (actualString) {
-        const test = (tag) => { var _a; return tag.default && tag.tag !== 'tag:yaml.org,2002:str' && ((_a = tag.test) === null || _a === void 0 ? void 0 : _a.test(str)); };
+        const test = (tag) => tag.default && tag.tag !== 'tag:yaml.org,2002:str' && tag.test?.test(str);
         const { compat, tags } = ctx.doc.schema;
-        if (tags.some(test) || (compat === null || compat === void 0 ? void 0 : compat.some(test)))
+        if (tags.some(test) || compat?.some(test))
             return quotedString(value, ctx);
@@ -271,0 +271,0 @@ }

browser/dist/visit.js

@@ -199,15 +199,14 @@ import { isDocument, isNode, isPair, isCollection, isMap, isSeq, isScalar, isAlias } from './nodes/Node.js';
 function callVisitor(key, node, visitor, path) {
-    var _a, _b, _c, _d, _e;
     if (typeof visitor === 'function')
         return visitor(key, node, path);
     if (isMap(node))
-        return (_a = visitor.Map) === null || _a === void 0 ? void 0 : _a.call(visitor, key, node, path);
+        return visitor.Map?.(key, node, path);
     if (isSeq(node))
-        return (_b = visitor.Seq) === null || _b === void 0 ? void 0 : _b.call(visitor, key, node, path);
+        return visitor.Seq?.(key, node, path);
     if (isPair(node))
-        return (_c = visitor.Pair) === null || _c === void 0 ? void 0 : _c.call(visitor, key, node, path);
+        return visitor.Pair?.(key, node, path);
     if (isScalar(node))
-        return (_d = visitor.Scalar) === null || _d === void 0 ? void 0 : _d.call(visitor, key, node, path);
+        return visitor.Scalar?.(key, node, path);
     if (isAlias(node))
-        return (_e = visitor.Alias) === null || _e === void 0 ? void 0 : _e.call(visitor, key, node, path);
+        return visitor.Alias?.(key, node, path);
     return undefined;
@@ -214,0 +213,0 @@ }

dist/compose/compose-collection.js

@@ -56,3 +56,3 @@ 'use strict';
     node.tag = tagName;
-    if (tag === null || tag === void 0 ? void 0 : tag.format)
+    if (tag?.format)
         node.format = tag.format;
@@ -59,0 +59,0 @@ return node;

dist/compose/compose-doc.js

@@ -9,3 +9,3 @@ 'use strict';
 function composeDoc(options, directives, { offset, start, value, end }, onError) {
-    const opts = Object.assign({ directives }, options);
+    const opts = Object.assign({ _directives: directives }, options);
     const doc = new Document.Document(undefined, opts);
@@ -20,3 +20,3 @@ const ctx = {
         indicator: 'doc-start',
-        next: value !== null && value !== void 0 ? value : end === null || end === void 0 ? void 0 : end[0],
+        next: value ?? end?.[0],
         offset,
@@ -23,0 +23,0 @@ onError,

dist/compose/compose-scalar.js

@@ -22,3 +22,3 @@ 'use strict';
     try {
-        const res = tag.resolve(value, msg => onError(tagToken !== null && tagToken !== void 0 ? tagToken : token, 'TAG_RESOLVE_FAILED', msg), ctx.options);
+        const res = tag.resolve(value, msg => onError(tagToken ?? token, 'TAG_RESOLVE_FAILED', msg), ctx.options);
         scalar = Node.isScalar(res) ? res : new Scalar.Scalar(res);
@@ -28,3 +28,3 @@ }
         const msg = error instanceof Error ? error.message : String(error);
-        onError(tagToken !== null && tagToken !== void 0 ? tagToken : token, 'TAG_RESOLVE_FAILED', msg);
+        onError(tagToken ?? token, 'TAG_RESOLVE_FAILED', msg);
         scalar = new Scalar.Scalar(value);
@@ -45,3 +45,2 @@ }
 function findScalarTagByName(schema, value, tagName, tagToken, onError) {
-    var _a;
     if (tagName === '!')
@@ -59,3 +58,3 @@ return schema[Node.SCALAR]; // non-specific tag
     for (const tag of matchWithTest)
-        if ((_a = tag.test) === null || _a === void 0 ? void 0 : _a.test(value))
+        if (tag.test?.test(value))
             return tag;
@@ -73,6 +72,6 @@ const kt = schema.knownTags[tagName];
 function findScalarTagByTest({ directives, schema }, value, token, onError) {
-    var _a;
-    const tag = schema.tags.find(tag => { var _a; return tag.default && ((_a = tag.test) === null || _a === void 0 ? void 0 : _a.test(value)); }) || schema[Node.SCALAR];
+    const tag = schema.tags.find(tag => tag.default && tag.test?.test(value)) || schema[Node.SCALAR];
     if (schema.compat) {
-        const compat = (_a = schema.compat.find(tag => { var _a; return tag.default && ((_a = tag.test) === null || _a === void 0 ? void 0 : _a.test(value)); })) !== null && _a !== void 0 ? _a : schema[Node.SCALAR];
+        const compat = schema.compat.find(tag => tag.default && tag.test?.test(value)) ??
+            schema[Node.SCALAR];
         if (tag.tag !== compat.tag) {
@@ -79,0 +78,0 @@ const ts = directives.tagString(tag.tag);

dist/compose/composer.js

@@ -19,3 +19,2 @@ 'use strict';
 function parsePrelude(prelude) {
-    var _a;
     let comment = '';
@@ -35,3 +34,3 @@ let atComment = false;
             case '%':
-                if (((_a = prelude[i + 1]) === null || _a === void 0 ? void 0 : _a[0]) !== '#')
+                if (prelude[i + 1]?.[0] !== '#')
                     i += 1;
@@ -213,3 +212,3 @@ atComment = false;
         else if (forceDoc) {
-            const opts = Object.assign({ directives: this.directives }, this.options);
+            const opts = Object.assign({ _directives: this.directives }, this.options);
             const doc = new Document.Document(undefined, opts);
@@ -216,0 +215,0 @@ if (this.atDirectives)

dist/compose/resolve-block-map.js

@@ -12,3 +12,2 @@ 'use strict';
 function resolveBlockMap({ composeNode, composeEmptyNode }, ctx, bm, onError) {
-    var _a;
     const map = new YAMLMap.YAMLMap(ctx.schema);
@@ -23,3 +22,3 @@ if (ctx.atRoot)
             indicator: 'explicit-key-ind',
-            next: key !== null && key !== void 0 ? key : sep === null || sep === void 0 ? void 0 : sep[0],
+            next: key ?? sep?.[0],
             offset,
@@ -48,6 +47,6 @@ onError,
             if (keyProps.hasNewlineAfterProp || utilContainsNewline.containsNewline(key)) {
-                onError(key !== null && key !== void 0 ? key : start[start.length - 1], 'MULTILINE_IMPLICIT_KEY', 'Implicit keys need to be on a single line');
+                onError(key ?? start[start.length - 1], 'MULTILINE_IMPLICIT_KEY', 'Implicit keys need to be on a single line');
             }
         }
-        else if (((_a = keyProps.found) === null || _a === void 0 ? void 0 : _a.indent) !== bm.indent) {
+        else if (keyProps.found?.indent !== bm.indent) {
             onError(offset, 'BAD_INDENT', startColMsg);
@@ -65,3 +64,3 @@ }
         // value properties
-        const valueProps = resolveProps.resolveProps(sep !== null && sep !== void 0 ? sep : [], {
+        const valueProps = resolveProps.resolveProps(sep ?? [], {
             indicator: 'map-value-ind',
@@ -76,3 +75,3 @@ next: value,
             if (implicitKey) {
-                if ((value === null || value === void 0 ? void 0 : value.type) === 'block-map' && !valueProps.hasNewline)
+                if (value?.type === 'block-map' && !valueProps.hasNewline)
                     onError(offset, 'BLOCK_AS_IMPLICIT_KEY', 'Nested mappings are not allowed in compact mappings');
@@ -79,0 +78,0 @@ if (ctx.options.strict &&

dist/compose/resolve-block-scalar.js

@@ -187,3 +187,3 @@ 'use strict';
     const m = first.match(/^( *)/);
-    const line0 = (m === null || m === void 0 ? void 0 : m[1])
+    const line0 = m?.[1]
         ? [m[1], first.slice(m[1].length)]
@@ -190,0 +190,0 @@ : ['', first];

dist/compose/resolve-flow-collection.js

@@ -15,3 +15,2 @@ 'use strict';
 function resolveFlowCollection({ composeNode, composeEmptyNode }, ctx, fc, onError) {
-    var _a;
     const isMap = fc.start.source === '{';
@@ -33,3 +32,3 @@ const fcName = isMap ? 'flow map' : 'flow sequence';
             indicator: 'explicit-key-ind',
-            next: key !== null && key !== void 0 ? key : sep === null || sep === void 0 ? void 0 : sep[0],
+            next: key ?? sep?.[0],
             offset,
@@ -82,3 +81,3 @@ onError,
                     if (Node.isPair(prev))
-                        prev = (_a = prev.value) !== null && _a !== void 0 ? _a : prev.key;
+                        prev = prev.value ?? prev.key;
                     if (prev.comment)
@@ -113,3 +112,3 @@ prev.comment += '\n' + prevItemComment;
             // value properties
-            const valueProps = resolveProps.resolveProps(sep !== null && sep !== void 0 ? sep : [], {
+            const valueProps = resolveProps.resolveProps(sep ?? [], {
                 flow: fcName,
@@ -116,0 +115,0 @@ indicator: 'map-value-ind',

dist/compose/resolve-flow-scalar.js

@@ -77,3 +77,2 @@ 'use strict';
 function foldLines(source) {
-    var _a;
     /**
@@ -118,3 +117,3 @@ * The negative lookbehind here and in the `re` RegExp is to
     match = last.exec(source);
-    return res + sep + ((_a = match === null || match === void 0 ? void 0 : match[1]) !== null && _a !== void 0 ? _a : '');
+    return res + sep + (match?.[1] ?? '');
 }
@@ -121,0 +120,0 @@ function doubleQuotedValue(source, onError) {

dist/compose/resolve-props.js

@@ -92,3 +92,3 @@ 'use strict';
                 if (found)
-                    onError(token, 'UNEXPECTED_TOKEN', `Unexpected ${token.source} in ${flow !== null && flow !== void 0 ? flow : 'collection'}`);
+                    onError(token, 'UNEXPECTED_TOKEN', `Unexpected ${token.source} in ${flow ?? 'collection'}`);
                 found = token;
@@ -133,3 +133,3 @@ atNewline = false;
         end,
-        start: start !== null && start !== void 0 ? start : end
+        start: start ?? end
     };
@@ -136,0 +136,0 @@ }

dist/compose/util-empty-scalar-position.js

@@ -19,3 +19,3 @@ 'use strict';
             st = before[++i];
-            while ((st === null || st === void 0 ? void 0 : st.type) === 'space') {
+            while (st?.type === 'space') {
                 offset += st.source.length;
@@ -22,0 +22,0 @@ st = before[++i];

dist/compose/util-flow-indent-check.js

@@ -6,3 +6,3 @@ 'use strict';
 function flowIndentCheck(indent, fc, onError) {
-    if ((fc === null || fc === void 0 ? void 0 : fc.type) === 'flow-collection') {
+    if (fc?.type === 'flow-collection') {
         const end = fc.end[0];
@@ -9,0 +9,0 @@ if (end.indent === indent &&

dist/doc/anchors.d.ts

@@ -22,4 +22,4 @@ import { Node } from '../nodes/Node.js';
         anchor: string | null;
-        node: Node | null;
+        node: Node<unknown> | null;
     }>;
 };

dist/doc/createNode.js

@@ -9,6 +9,5 @@ 'use strict';
 function findTagObject(value, tagName, tags) {
-    var _a;
     if (tagName) {
         const match = tags.filter(t => t.tag === tagName);
-        const tagObj = (_a = match.find(t => !t.format)) !== null && _a !== void 0 ? _a : match[0];
+        const tagObj = match.find(t => !t.format) ?? match[0];
         if (!tagObj)
@@ -18,6 +17,5 @@ throw new Error(`Tag ${tagName} not found`);
     }
-    return tags.find(t => { var _a; return ((_a = t.identify) === null || _a === void 0 ? void 0 : _a.call(t, value)) && !t.format; });
+    return tags.find(t => t.identify?.(value) && !t.format);
 }
 function createNode(value, tagName, ctx) {
-    var _a, _b;
     if (Node.isDocument(value))
@@ -28,3 +26,3 @@ value = value.contents;
     if (Node.isPair(value)) {
-        const map = (_b = (_a = ctx.schema[Node.MAP]).createNode) === null || _b === void 0 ? void 0 : _b.call(_a, ctx.schema, null, ctx);
+        const map = ctx.schema[Node.MAP].createNode?.(ctx.schema, null, ctx);
         map.items.push(value);
@@ -57,3 +55,3 @@ return map;
     }
-    if (tagName === null || tagName === void 0 ? void 0 : tagName.startsWith('!!'))
+    if (tagName?.startsWith('!!'))
         tagName = defaultTagPrefix + tagName.slice(2);
@@ -83,3 +81,3 @@ let tagObj = findTagObject(value, tagName, schema.tags);
     }
-    const node = (tagObj === null || tagObj === void 0 ? void 0 : tagObj.createNode)
+    const node = tagObj?.createNode
         ? tagObj.createNode(ctx.schema, value, ctx)
@@ -86,0 +84,0 @@ : new Scalar.Scalar(value);

dist/doc/Document.d.ts

 import type { YAMLError, YAMLWarning } from '../errors.js';
 import { Alias } from '../nodes/Alias.js';
-import { Node, NODE_TYPE, ParsedNode, Range } from '../nodes/Node.js';
+import { Node, NodeType, NODE_TYPE, ParsedNode, Range } from '../nodes/Node.js';
 import { Pair } from '../nodes/Pair.js';
@@ -18,3 +18,3 @@ import type { Scalar } from '../nodes/Scalar.js';
 }
-export declare class Document<T = unknown> {
+export declare class Document<T extends Node = Node> {
     readonly [NODE_TYPE]: symbol;
@@ -30,3 +30,3 @@ /** A comment before this Document */
     errors: YAMLError[];
-    options: Required<Omit<ParseOptions & DocumentOptions, 'lineCounter' | 'directives' | 'version'>>;
+    options: Required<Omit<ParseOptions & DocumentOptions, '_directives' | 'lineCounter' | 'version'>>;
     /**
@@ -73,4 +73,4 @@ * The `[start, value-end, node-end]` character offsets for the part of the
      */
-    createNode(value: unknown, options?: CreateNodeOptions): Node;
-    createNode(value: unknown, replacer: Replacer | CreateNodeOptions | null, options?: CreateNodeOptions): Node;
+    createNode<T = unknown>(value: T, options?: CreateNodeOptions): NodeType<T>;
+    createNode<T = unknown>(value: T, replacer: Replacer | CreateNodeOptions | null, options?: CreateNodeOptions): NodeType<T>;
     /**
@@ -85,3 +85,3 @@ * Convert a key and a value into a `Pair` using the current schema,
      */
-    delete(key: any): boolean;
+    delete(key: unknown): boolean;
     /**
@@ -91,3 +91,3 @@ * Removes a value from the document.
      */
-    deleteIn(path: Iterable<unknown>): boolean;
+    deleteIn(path: Iterable<unknown> | null): boolean;
     /**
@@ -104,3 +104,3 @@ * Returns item at `key`, or `undefined` if not found. By default unwraps
      */
-    getIn(path: Iterable<unknown>, keepScalar?: boolean): unknown;
+    getIn(path: Iterable<unknown> | null, keepScalar?: boolean): unknown;
     /**
@@ -113,3 +113,3 @@ * Checks if the document includes a value with the key `key`.
      */
-    hasIn(path: Iterable<unknown>): boolean;
+    hasIn(path: Iterable<unknown> | null): boolean;
     /**
@@ -124,3 +124,3 @@ * Sets a value in this document. For `!!set`, `value` needs to be a
      */
-    setIn(path: Iterable<unknown>, value: unknown): void;
+    setIn(path: Iterable<unknown> | null, value: unknown): void;
     /**
@@ -127,0 +127,0 @@ * Change the YAML version and schema used by the document.

dist/doc/Document.js

@@ -46,4 +46,4 @@ 'use strict';
         let { version } = opt;
-        if (options === null || options === void 0 ? void 0 : options.directives) {
-            this.directives = options.directives.atDocument();
+        if (options?._directives) {
+            this.directives = options._directives.atDocument();
             if (this.directives.yaml.explicit)
@@ -130,3 +130,3 @@ version = this.directives.yaml.version;
         }
-        const { aliasDuplicateObjects, anchorPrefix, flow, keepUndefined, onTagObj, tag } = options !== null && options !== void 0 ? options : {};
+        const { aliasDuplicateObjects, anchorPrefix, flow, keepUndefined, onTagObj, tag } = options ?? {};
         const { onAnchor, setAnchors, sourceObjects } = anchors.createNodeAnchors(this, 
@@ -136,4 +136,4 @@ // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
         const ctx = {
-            aliasDuplicateObjects: aliasDuplicateObjects !== null && aliasDuplicateObjects !== void 0 ? aliasDuplicateObjects : true,
-            keepUndefined: keepUndefined !== null && keepUndefined !== void 0 ? keepUndefined : false,
+            aliasDuplicateObjects: aliasDuplicateObjects ?? true,
+            keepUndefined: keepUndefined ?? false,
             onAnchor,
@@ -302,3 +302,3 @@ onTagObj,
         };
-        const res = toJS.toJS(this.contents, jsonArg !== null && jsonArg !== void 0 ? jsonArg : '', ctx);
+        const res = toJS.toJS(this.contents, jsonArg ?? '', ctx);
         if (typeof onAnchor === 'function')
@@ -305,0 +305,0 @@ for (const { count, res } of ctx.anchors.values())

dist/index.d.ts

@@ -19,2 +19,4 @@ export { Composer } from './compose/composer.js';
 export type { CollectionTag, ScalarTag } from './schema/types';
+export type { YAMLOMap } from './schema/yaml-1.1/omap';
+export type { YAMLSet } from './schema/yaml-1.1/set';
 export { asyncVisitor, asyncVisitorFn, visit, visitAsync, visitor, visitorFn } from './visit.js';

dist/nodes/addPairToJSMap.js

@@ -11,3 +11,3 @@ 'use strict';
 function addPairToJSMap(ctx, map, { key, value }) {
-    if ((ctx === null || ctx === void 0 ? void 0 : ctx.doc.schema.merge) && isMergeKey(key)) {
+    if (ctx?.doc.schema.merge && isMergeKey(key)) {
         value = Node.isAlias(value) ? value.resolve(ctx.doc) : value;
@@ -14,0 +14,0 @@ if (Node.isSeq(value))

dist/nodes/Collection.d.ts

 import type { Schema } from '../schema/Schema.js';
 import { NodeBase, NODE_TYPE } from './Node.js';
-export declare function collectionFromPath(schema: Schema, path: unknown[], value: unknown): import("./Node.js").Node;
-export declare const isEmptyPath: (path: Iterable<unknown> | null | undefined) => boolean;
+export declare function collectionFromPath(schema: Schema, path: unknown[], value: unknown): import("./Node.js").Node<unknown>;
+export declare const isEmptyPath: (path: Iterable<unknown> | null | undefined) => path is null | undefined;
 export declare abstract class Collection extends NodeBase {
@@ -6,0 +6,0 @@ static maxFlowStringSingleLineLength: number;

dist/nodes/Collection.js

@@ -29,3 +29,4 @@ 'use strict';
 }
-// null, undefined, or an empty non-string iterable (e.g. [])
+// Type guard is intentionally a little wrong so as to be more useful,
+// as it does not cover untypable empty non-string iterables (e.g. []).
 const isEmptyPath = (path) => path == null ||
@@ -32,0 +33,0 @@ (typeof path === 'object' && !!path[Symbol.iterator]().next().done);

dist/nodes/Node.d.ts

@@ -9,5 +9,9 @@ import type { Document } from '../doc/Document.js';
 import type { YAMLSeq } from './YAMLSeq.js';
-export declare type Node = Alias | Scalar | YAMLMap | YAMLSeq;
+export declare type Node<T = unknown> = Alias | Scalar<T> | YAMLMap<unknown, T> | YAMLSeq<T>;
+/** Utility type mapper */
+export declare type NodeType<T> = T extends string | number | bigint | boolean | null ? Scalar<T> : T extends Array<any> ? YAMLSeq<NodeType<T[number]>> : T extends {
+    [key: string | number]: any;
+} ? YAMLMap<NodeType<keyof T>, NodeType<T[keyof T]>> : Node;
 export declare type ParsedNode = Alias.Parsed | Scalar.Parsed | YAMLMap.Parsed | YAMLSeq.Parsed;
-export declare type Range = [number, number, number];
+export declare type Range = [start: number, valueEnd: number, nodeEnd: number];
 export declare const ALIAS: unique symbol;
@@ -21,10 +25,10 @@ export declare const DOC: unique symbol;
 export declare const isAlias: (node: any) => node is Alias;
-export declare const isDocument: (node: any) => node is Document<unknown>;
-export declare const isMap: (node: any) => node is YAMLMap<unknown, unknown>;
-export declare const isPair: (node: any) => node is Pair<unknown, unknown>;
-export declare const isScalar: (node: any) => node is Scalar<unknown>;
-export declare const isSeq: (node: any) => node is YAMLSeq<unknown>;
-export declare function isCollection(node: any): node is YAMLMap | YAMLSeq;
-export declare function isNode(node: any): node is Node;
-export declare const hasAnchor: (node: unknown) => node is Scalar<unknown> | YAMLMap<unknown, unknown> | YAMLSeq<unknown>;
+export declare const isDocument: <T extends Node<unknown> = Node<unknown>>(node: any) => node is Document<T>;
+export declare const isMap: <K = unknown, V = unknown>(node: any) => node is YAMLMap<K, V>;
+export declare const isPair: <K = unknown, V = unknown>(node: any) => node is Pair<K, V>;
+export declare const isScalar: <T = unknown>(node: any) => node is Scalar<T>;
+export declare const isSeq: <T = unknown>(node: any) => node is YAMLSeq<T>;
+export declare function isCollection<K = unknown, V = unknown>(node: any): node is YAMLMap<K, V> | YAMLSeq<V>;
+export declare function isNode<T = unknown>(node: any): node is Node<T>;
+export declare const hasAnchor: <K = unknown, V = unknown>(node: unknown) => node is Scalar<V> | YAMLMap<K, V> | YAMLSeq<V>;
 export declare abstract class NodeBase {
@@ -31,0 +35,0 @@ readonly [NODE_TYPE]: symbol;

dist/nodes/Pair.d.ts

@@ -8,3 +8,3 @@ import { CreateNodeContext } from '../doc/createNode.js';
 import type { ToJSContext } from './toJS.js';
-export declare function createPair(key: unknown, value: unknown, ctx: CreateNodeContext): Pair<import("./Node.js").Node, import("./Alias.js").Alias | import("./Scalar.js").Scalar<unknown> | import("./YAMLMap.js").YAMLMap<unknown, unknown> | import("./YAMLSeq.js").YAMLSeq<unknown>>;
+export declare function createPair(key: unknown, value: unknown, ctx: CreateNodeContext): Pair<import("./Node.js").Node<unknown>, import("./Alias.js").Alias | import("./Scalar.js").Scalar<unknown> | import("./YAMLMap.js").YAMLMap<unknown, unknown> | import("./YAMLSeq.js").YAMLSeq<unknown>>;
 export declare class Pair<K = unknown, V = unknown> {
@@ -11,0 +11,0 @@ readonly [NODE_TYPE]: symbol;

dist/nodes/Pair.js

@@ -28,7 +28,7 @@ 'use strict';
     toJSON(_, ctx) {
-        const pair = (ctx === null || ctx === void 0 ? void 0 : ctx.mapAsMap) ? new Map() : {};
+        const pair = ctx?.mapAsMap ? new Map() : {};
         return addPairToJSMap.addPairToJSMap(ctx, pair, this);
     }
     toString(ctx, onComment, onChompKeep) {
-        return (ctx === null || ctx === void 0 ? void 0 : ctx.doc)
+        return ctx?.doc
             ? stringifyPair.stringifyPair(this, ctx, onComment, onChompKeep)
@@ -35,0 +35,0 @@ : JSON.stringify(this);

dist/nodes/Scalar.js

@@ -13,3 +13,3 @@ 'use strict';
     toJSON(arg, ctx) {
-        return (ctx === null || ctx === void 0 ? void 0 : ctx.keep) ? this.value : toJS.toJS(this.value, arg, ctx);
+        return ctx?.keep ? this.value : toJS.toJS(this.value, arg, ctx);
     }
@@ -16,0 +16,0 @@ toString() {

dist/nodes/toJS.js

@@ -34,3 +34,3 @@ 'use strict';
     }
-    if (typeof value === 'bigint' && !(ctx === null || ctx === void 0 ? void 0 : ctx.keep))
+    if (typeof value === 'bigint' && !ctx?.keep)
         return Number(value);
@@ -37,0 +37,0 @@ return value;

dist/nodes/YAMLMap.d.ts

@@ -7,2 +7,3 @@ import type { BlockMap, FlowCollection } from '../parse/cst.js';
 import { Pair } from './Pair.js';
+import { Scalar } from './Scalar.js';
 import type { ToJSContext } from './toJS.js';
@@ -31,5 +32,7 @@ export declare function findPair<K = unknown, V = unknown>(items: Iterable<Pair<K, V>>, key: unknown): Pair<K, V> | undefined;
     }, overwrite?: boolean): void;
-    delete(key: K): boolean;
-    get(key: K, keepScalar?: boolean): unknown;
-    has(key: K): boolean;
+    delete(key: unknown): boolean;
+    get(key: unknown, keepScalar: true): Scalar<V> | undefined;
+    get(key: unknown, keepScalar?: false): V | undefined;
+    get(key: unknown, keepScalar?: boolean): V | Scalar<V> | undefined;
+    has(key: unknown): boolean;
     set(key: K, value: V): void;
@@ -36,0 +39,0 @@ /**

dist/nodes/YAMLMap.js

@@ -37,3 +37,2 @@ 'use strict';
     add(pair, overwrite) {
-        var _a;
         let _pair;
@@ -44,3 +43,3 @@ if (Node.isPair(pair))
             // In TypeScript, this never happens.
-            _pair = new Pair.Pair(pair, pair.value);
+            _pair = new Pair.Pair(pair, pair?.value);
         }
@@ -50,3 +49,3 @@ else
         const prev = findPair(this.items, _pair.key);
-        const sortEntries = (_a = this.schema) === null || _a === void 0 ? void 0 : _a.sortMapEntries;
+        const sortEntries = this.schema?.sortMapEntries;
         if (prev) {
@@ -81,4 +80,4 @@ if (!overwrite)
         const it = findPair(this.items, key);
-        const node = it === null || it === void 0 ? void 0 : it.value;
-        return !keepScalar && Node.isScalar(node) ? node.value : node;
+        const node = it?.value;
+        return (!keepScalar && Node.isScalar(node) ? node.value : node) ?? undefined;
     }
@@ -97,4 +96,4 @@ has(key) {
     toJSON(_, ctx, Type) {
-        const map = Type ? new Type() : (ctx === null || ctx === void 0 ? void 0 : ctx.mapAsMap) ? new Map() : {};
-        if (ctx === null || ctx === void 0 ? void 0 : ctx.onCreate)
+        const map = Type ? new Type() : ctx?.mapAsMap ? new Map() : {};
+        if (ctx?.onCreate)
             ctx.onCreate(map);
@@ -101,0 +100,0 @@ for (const item of this.items)

dist/nodes/YAMLSeq.d.ts

@@ -7,2 +7,3 @@ import type { BlockSequence, FlowCollection } from '../parse/cst.js';
 import type { Pair } from './Pair.js';
+import { Scalar } from './Scalar.js';
 import { ToJSContext } from './toJS.js';
@@ -38,3 +39,5 @@ export declare namespace YAMLSeq {
      */
-    get(key: unknown, keepScalar?: boolean): unknown;
+    get(key: unknown, keepScalar: true): Scalar<T> | undefined;
+    get(key: unknown, keepScalar?: false): T | undefined;
+    get(key: unknown, keepScalar?: boolean): T | Scalar<T> | undefined;
     /**
@@ -41,0 +44,0 @@ * Checks if the collection includes a value with the key `key`.

dist/nodes/YAMLSeq.js

@@ -35,10 +35,2 @@ 'use strict';
     }
-    /**
-     * Returns item at `key`, or `undefined` if not found. By default unwraps
-     * scalar values from their surrounding node; to disable set `keepScalar` to
-     * `true` (collections are always returned intact).
-     *
-     * `key` must contain a representation of an integer for this to succeed.
-     * It may be wrapped in a `Scalar`.
-     */
     get(key, keepScalar) {
@@ -80,3 +72,3 @@ const idx = asItemIndex(key);
         const seq = [];
-        if (ctx === null || ctx === void 0 ? void 0 : ctx.onCreate)
+        if (ctx?.onCreate)
             ctx.onCreate(seq);
@@ -83,0 +75,0 @@ let i = 0;

dist/options.d.ts

@@ -61,6 +61,7 @@ import type { Reviver } from './doc/applyReviver.js';
     /**
+     * @internal
      * Used internally by Composer. If set and includes an explicit version,
      * that overrides the `version` option.
      */
-    directives?: Directives;
+    _directives?: Directives;
     /**
@@ -67,0 +68,0 @@ * Control the logging level during parsing

dist/parse/cst-scalar.js

@@ -43,3 +43,2 @@ 'use strict';
 function createScalarToken(value, context) {
-    var _a;
     const { implicitKey = false, indent, inFlow = false, offset = -1, type = 'PLAIN' } = context;
@@ -52,3 +51,3 @@ const source = stringifyString.stringifyString({ type, value }, {
     });
-    const end = (_a = context.end) !== null && _a !== void 0 ? _a : [
+    const end = context.end ?? [
         { type: 'newline', offset: -1, indent, source: '\n' }
@@ -55,0 +54,0 @@ ];

dist/parse/cst-visit.js

@@ -52,3 +52,3 @@ 'use strict';
     for (const [field, index] of path) {
-        const tok = item === null || item === void 0 ? void 0 : item[field];
+        const tok = item?.[field];
         if (tok && 'items' in tok) {
@@ -70,3 +70,3 @@ item = tok.items[index];
     const field = path[path.length - 1][0];
-    const coll = parent === null || parent === void 0 ? void 0 : parent[field];
+    const coll = parent?.[field];
     if (coll && 'items' in coll)
@@ -73,0 +73,0 @@ return coll;

dist/parse/lexer.js

@@ -153,3 +153,2 @@ 'use strict';
     *lex(source, incomplete = false) {
-        var _a;
         if (source) {
@@ -160,3 +159,3 @@ this.buffer = this.buffer ? this.buffer + source : source;
         this.atEnd = !incomplete;
-        let next = (_a = this.next) !== null && _a !== void 0 ? _a : 'stream';
+        let next = this.next ?? 'stream';
         while (next && (incomplete || this.hasChars(1)))
@@ -163,0 +162,0 @@ next = yield* this.parseNext(next);

dist/parse/parser.js

@@ -26,3 +26,3 @@ 'use strict';
 function isFlowToken(token) {
-    switch (token === null || token === void 0 ? void 0 : token.type) {
+    switch (token?.type) {
         case 'alias':
@@ -39,3 +39,2 @@ case 'scalar':
 function getPrevProps(parent) {
-    var _a;
     switch (parent.type) {
@@ -46,3 +45,3 @@ case 'document':
             const it = parent.items[parent.items.length - 1];
-            return (_a = it.sep) !== null && _a !== void 0 ? _a : it.start;
+            return it.sep ?? it.start;
         }
@@ -58,3 +57,2 @@ case 'block-seq':
 function getFirstKeyStartProps(prev) {
-    var _a;
     if (prev.length === 0)
@@ -73,3 +71,3 @@ return [];
     }
-    while (((_a = prev[++i]) === null || _a === void 0 ? void 0 : _a.type) === 'space') {
+    while (prev[++i]?.type === 'space') {
         /* loop */
@@ -278,3 +276,3 @@ }
     *pop(error) {
-        const token = error !== null && error !== void 0 ? error : this.stack.pop();
+        const token = error ?? this.stack.pop();
         /* istanbul ignore if should not happen */
@@ -484,3 +482,2 @@ if (!token) {
     *blockMap(map) {
-        var _a;
         const it = map.items[map.items.length - 1];
@@ -494,4 +491,4 @@ // it.sep is true-ish if pair already has key or : separator
                     const last = Array.isArray(end) ? end[end.length - 1] : undefined;
-                    if ((last === null || last === void 0 ? void 0 : last.type) === 'comment')
-                        end === null || end === void 0 ? void 0 : end.push(this.sourceToken);
+                    if (last?.type === 'comment')
+                        end?.push(this.sourceToken);
                     else
@@ -518,3 +515,3 @@ map.items.push({ start: [this.sourceToken] });
                         const prev = map.items[map.items.length - 2];
-                        const end = (_a = prev === null || prev === void 0 ? void 0 : prev.value) === null || _a === void 0 ? void 0 : _a.end;
+                        const end = prev?.value?.end;
                         if (Array.isArray(end)) {
@@ -696,3 +693,2 @@ Array.prototype.push.apply(end, it.start);
     *blockSequence(seq) {
-        var _a;
         const it = seq.items[seq.items.length - 1];
@@ -704,4 +700,4 @@ switch (this.type) {
                     const last = Array.isArray(end) ? end[end.length - 1] : undefined;
-                    if ((last === null || last === void 0 ? void 0 : last.type) === 'comment')
-                        end === null || end === void 0 ? void 0 : end.push(this.sourceToken);
+                    if (last?.type === 'comment')
+                        end?.push(this.sourceToken);
                     else
@@ -720,3 +716,3 @@ seq.items.push({ start: [this.sourceToken] });
                         const prev = seq.items[seq.items.length - 2];
-                        const end = (_a = prev === null || prev === void 0 ? void 0 : prev.value) === null || _a === void 0 ? void 0 : _a.end;
+                        const end = prev?.value?.end;
                         if (Array.isArray(end)) {
@@ -723,0 +719,0 @@ Array.prototype.push.apply(end, it.start);

dist/public-api.js

@@ -26,3 +26,3 @@ 'use strict';
     const { lineCounter, prettyErrors } = parseOptions(options);
-    const parser$1 = new parser.Parser(lineCounter === null || lineCounter === void 0 ? void 0 : lineCounter.addNewLine);
+    const parser$1 = new parser.Parser(lineCounter?.addNewLine);
     const composer$1 = new composer.Composer(options);
@@ -42,3 +42,3 @@ const docs = Array.from(composer$1.compose(parser$1.parse(source)));
     const { lineCounter, prettyErrors } = parseOptions(options);
-    const parser$1 = new parser.Parser(lineCounter === null || lineCounter === void 0 ? void 0 : lineCounter.addNewLine);
+    const parser$1 = new parser.Parser(lineCounter?.addNewLine);
     const composer$1 = new composer.Composer(options);
@@ -82,3 +82,2 @@ // `doc` is always set by compose.end(true) at the very latest
 function stringify(value, replacer, options) {
-    var _a;
     let _replacer = null;
@@ -98,3 +97,3 @@ if (typeof replacer === 'function' || Array.isArray(replacer)) {
     if (value === undefined) {
-        const { keepUndefined } = (_a = options !== null && options !== void 0 ? options : replacer) !== null && _a !== void 0 ? _a : {};
+        const { keepUndefined } = options ?? replacer ?? {};
         if (!keepUndefined)
@@ -101,0 +100,0 @@ return undefined;

dist/schema/Schema.js

@@ -21,3 +21,3 @@ 'use strict';
         this.tags = tags.getTags(customTags, this.name);
-        this.toStringOptions = toStringDefaults !== null && toStringDefaults !== void 0 ? toStringDefaults : null;
+        this.toStringOptions = toStringDefaults ?? null;
         Object.defineProperty(this, Node.MAP, { value: map.map });
@@ -24,0 +24,0 @@ Object.defineProperty(this, Node.SCALAR, { value: string.string });

dist/schema/yaml-1.1/omap.d.ts

@@ -11,5 +11,9 @@ import { YAMLSeq } from '../../nodes/YAMLSeq.js';
     }, overwrite?: boolean | undefined) => void;
-    delete: (key: any) => boolean;
-    get: (key: any, keepScalar?: boolean | undefined) => unknown;
-    has: (key: any) => boolean;
+    delete: (key: unknown) => boolean;
+    get: {
+        (key: unknown, keepScalar: true): import("../../index.js").Scalar<any> | undefined;
+        (key: unknown, keepScalar?: false | undefined): any;
+        (key: unknown, keepScalar?: boolean | undefined): any;
+    };
+    has: (key: unknown) => boolean;
     set: (key: any, value: any) => void;
@@ -16,0 +20,0 @@ /**

dist/schema/yaml-1.1/omap.js

@@ -27,3 +27,3 @@ 'use strict';
         const map = new Map();
-        if (ctx === null || ctx === void 0 ? void 0 : ctx.onCreate)
+        if (ctx?.onCreate)
             ctx.onCreate(map);
@@ -30,0 +30,0 @@ for (const pair of this.items) {

dist/schema/yaml-1.1/pairs.js

@@ -9,3 +9,2 @@ 'use strict';
 function resolvePairs(seq, onError) {
-    var _a;
     if (Node.isSeq(seq)) {
@@ -25,3 +24,3 @@ for (let i = 0; i < seq.items.length; ++i) {
                 if (item.comment) {
-                    const cn = (_a = pair.value) !== null && _a !== void 0 ? _a : pair.key;
+                    const cn = pair.value ?? pair.key;
                     cn.comment = cn.comment
@@ -28,0 +27,0 @@ ? `${item.comment}\n${cn.comment}`

dist/schema/yaml-1.1/set.d.ts

@@ -15,5 +15,9 @@ import type { Schema } from '../../schema/Schema.js';
     }): void;
-    get(key?: T, keepPair?: boolean): unknown;
+    /**
+     * If `keepPair` is `true`, returns the Pair matching `key`.
+     * Otherwise, returns the value of that Pair's key.
+     */
+    get(key: unknown, keepPair?: boolean): any;
     set(key: T, value: boolean): void;
-    /** Will throw; `value` must be boolean */
+    /** @deprecated Will throw; `value` must be boolean */
     set(key: T, value: null): void;
@@ -20,0 +24,0 @@ toJSON(_?: unknown, ctx?: ToJSContext): any;

dist/schema/yaml-1.1/set.js

@@ -27,2 +27,6 @@ 'use strict';
     }
+    /**
+     * If `keepPair` is `true`, returns the Pair matching `key`.
+     * Otherwise, returns the value of that Pair's key.
+     */
     get(key, keepPair) {
@@ -29,0 +33,0 @@ const pair = YAMLMap.findPair(this.items, key);

dist/stringify/stringify.js

@@ -48,7 +48,6 @@ 'use strict';
 function getTagObject(tags, item) {
-    var _a, _b, _c, _d;
     if (item.tag) {
         const match = tags.filter(t => t.tag === item.tag);
         if (match.length > 0)
-            return (_a = match.find(t => t.format === item.format)) !== null && _a !== void 0 ? _a : match[0];
+            return match.find(t => t.format === item.format) ?? match[0];
     }
@@ -59,5 +58,5 @@ let tagObj = undefined;
         obj = item.value;
-        const match = tags.filter(t => { var _a; return (_a = t.identify) === null || _a === void 0 ? void 0 : _a.call(t, obj); });
+        const match = tags.filter(t => t.identify?.(obj));
         tagObj =
-            (_b = match.find(t => t.format === item.format)) !== null && _b !== void 0 ? _b : match.find(t => !t.format);
+            match.find(t => t.format === item.format) ?? match.find(t => !t.format);
     }
@@ -69,3 +68,3 @@ else {
     if (!tagObj) {
-        const name = (_d = (_c = obj === null || obj === void 0 ? void 0 : obj.constructor) === null || _c === void 0 ? void 0 : _c.name) !== null && _d !== void 0 ? _d : typeof obj;
+        const name = obj?.constructor?.name ?? typeof obj;
         throw new Error(`Tag not resolved for ${name} value`);
@@ -91,3 +90,2 @@ }
 function stringify(item, ctx, onComment, onChompKeep) {
-    var _a, _b;
     if (Node.isPair(item))
@@ -98,3 +96,3 @@ return item.toString(ctx, onComment, onChompKeep);
             return item.toString(ctx);
-        if ((_a = ctx.resolvedAliases) === null || _a === void 0 ? void 0 : _a.has(item)) {
+        if (ctx.resolvedAliases?.has(item)) {
             throw new TypeError(`Cannot stringify circular structure without alias nodes`);
@@ -118,3 +116,3 @@ }
     if (props.length > 0)
-        ctx.indentAtStart = ((_b = ctx.indentAtStart) !== null && _b !== void 0 ? _b : 0) + props.length + 1;
+        ctx.indentAtStart = (ctx.indentAtStart ?? 0) + props.length + 1;
     const str = typeof tagObj.stringify === 'function'
@@ -121,0 +119,0 @@ ? tagObj.stringify(node, ctx, onComment, onChompKeep)

dist/stringify/stringifyCollection.js

@@ -9,4 +9,3 @@ 'use strict';
 function stringifyCollection(collection, ctx, options) {
-    var _a;
-    const flow = (_a = ctx.inFlow) !== null && _a !== void 0 ? _a : collection.flow;
+    const flow = ctx.inFlow ?? collection.flow;
     const stringify = flow ? stringifyFlowCollection : stringifyBlockCollection;
@@ -13,0 +12,0 @@ return stringify(collection, ctx, options);

dist/stringify/stringifyDocument.js

@@ -8,3 +8,2 @@ 'use strict';
 function stringifyDocument(doc, options) {
-    var _a;
     const lines = [];
@@ -61,3 +60,3 @@ let hasDirectives = options.directives === true;
     }
-    if ((_a = doc.directives) === null || _a === void 0 ? void 0 : _a.docEnd) {
+    if (doc.directives?.docEnd) {
         if (doc.comment) {
@@ -64,0 +63,0 @@ const cs = commentString(doc.comment);

dist/stringify/stringifyString.js

@@ -268,5 +268,5 @@ 'use strict';
     if (actualString) {
-        const test = (tag) => { var _a; return tag.default && tag.tag !== 'tag:yaml.org,2002:str' && ((_a = tag.test) === null || _a === void 0 ? void 0 : _a.test(str)); };
+        const test = (tag) => tag.default && tag.tag !== 'tag:yaml.org,2002:str' && tag.test?.test(str);
         const { compat, tags } = ctx.doc.schema;
-        if (tags.some(test) || (compat === null || compat === void 0 ? void 0 : compat.some(test)))
+        if (tags.some(test) || compat?.some(test))
             return quotedString(value, ctx);
@@ -273,0 +273,0 @@ }

dist/test-events.js

@@ -28,3 +28,2 @@ 'use strict';
 function testEvents(src) {
-    var _a;
     const docs = publicApi.parseAllDocuments(src);
@@ -53,3 +52,3 @@ const errDoc = docs.find(doc => doc.errors.length > 0);
             events.push(docStart);
-            addEvents(events, doc, (_a = error === null || error === void 0 ? void 0 : error.pos[0]) !== null && _a !== void 0 ? _a : -1, root);
+            addEvents(events, doc, error?.pos[0] ?? -1, root);
             let docEnd = '-DOC';
@@ -62,3 +61,3 @@ if (doc.directives.docEnd)
     catch (e) {
-        return { events, error: error !== null && error !== void 0 ? error : e };
+        return { events, error: error ?? e };
     }
@@ -65,0 +64,0 @@ events.push('-STR');

dist/visit.js

@@ -201,15 +201,14 @@ 'use strict';
 function callVisitor(key, node, visitor, path) {
-    var _a, _b, _c, _d, _e;
     if (typeof visitor === 'function')
         return visitor(key, node, path);
     if (Node.isMap(node))
-        return (_a = visitor.Map) === null || _a === void 0 ? void 0 : _a.call(visitor, key, node, path);
+        return visitor.Map?.(key, node, path);
     if (Node.isSeq(node))
-        return (_b = visitor.Seq) === null || _b === void 0 ? void 0 : _b.call(visitor, key, node, path);
+        return visitor.Seq?.(key, node, path);
     if (Node.isPair(node))
-        return (_c = visitor.Pair) === null || _c === void 0 ? void 0 : _c.call(visitor, key, node, path);
+        return visitor.Pair?.(key, node, path);
     if (Node.isScalar(node))
-        return (_d = visitor.Scalar) === null || _d === void 0 ? void 0 : _d.call(visitor, key, node, path);
+        return visitor.Scalar?.(key, node, path);
     if (Node.isAlias(node))
-        return (_e = visitor.Alias) === null || _e === void 0 ? void 0 : _e.call(visitor, key, node, path);
+        return visitor.Alias?.(key, node, path);
     return undefined;
@@ -216,0 +215,0 @@ }

package.json

 {
   "name": "yaml",
-  "version": "2.0.1",
+  "version": "2.1.0",
   "license": "ISC",
@@ -79,3 +79,3 @@ "author": "Eemeli Aro <[e-mail]>",
     "@typescript-eslint/parser": "^5.3.1",
-    "babel-jest": "^27.0.1",
+    "babel-jest": "^28.1.0",
     "cross-env": "^7.0.3",
@@ -85,3 +85,3 @@ "eslint": "^8.2.0",
     "fast-check": "^2.12.0",
-    "jest": "^27.0.1",
+    "jest": "^28.1.0",
     "jest-ts-webcompat-resolver": "^1.0.0",
@@ -88,0 +88,0 @@ "prettier": "^2.2.1",

New alerts

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 1 instance in 1 package

Fixed alerts

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 1 instance in 1 package

Worsened metrics

Total package byte prevSize

648556

decreased by-1.39%

Lines of code

17322

decreased by-0.16%

Number of low supply chain risk alerts

4

increased by33.33%

No dependency changes