First Commit

node_modules/yaml/browser/dist/nodes/Alias.js

@@ -0,0 +1,101 @@
+import { anchorIsValid } from '../doc/anchors.js';
+import { visit } from '../visit.js';
+import { ALIAS, isAlias, isCollection, isPair } from './identity.js';
+import { NodeBase } from './Node.js';
+import { toJS } from './toJS.js';
+
+class Alias extends NodeBase {
+    constructor(source) {
+        super(ALIAS);
+        this.source = source;
+        Object.defineProperty(this, 'tag', {
+            set() {
+                throw new Error('Alias nodes cannot have tags');
+            }
+        });
+    }
+    /**
+     * Resolve the value of this alias within `doc`, finding the last
+     * instance of the `source` anchor before this node.
+     */
+    resolve(doc) {
+        let found = undefined;
+        visit(doc, {
+            Node: (_key, node) => {
+                if (node === this)
+                    return visit.BREAK;
+                if (node.anchor === this.source)
+                    found = node;
+            }
+        });
+        return found;
+    }
+    toJSON(_arg, ctx) {
+        if (!ctx)
+            return { source: this.source };
+        const { anchors, doc, maxAliasCount } = ctx;
+        const source = this.resolve(doc);
+        if (!source) {
+            const msg = `Unresolved alias (the anchor must be set before the alias): ${this.source}`;
+            throw new ReferenceError(msg);
+        }
+        let data = anchors.get(source);
+        if (!data) {
+            // Resolve anchors for Node.prototype.toJS()
+            toJS(source, null, ctx);
+            data = anchors.get(source);
+        }
+        /* istanbul ignore if */
+        if (!data || data.res === undefined) {
+            const msg = 'This should not happen: Alias anchor was not resolved?';
+            throw new ReferenceError(msg);
+        }
+        if (maxAliasCount >= 0) {
+            data.count += 1;
+            if (data.aliasCount === 0)
+                data.aliasCount = getAliasCount(doc, source, anchors);
+            if (data.count * data.aliasCount > maxAliasCount) {
+                const msg = 'Excessive alias count indicates a resource exhaustion attack';
+                throw new ReferenceError(msg);
+            }
+        }
+        return data.res;
+    }
+    toString(ctx, _onComment, _onChompKeep) {
+        const src = `*${this.source}`;
+        if (ctx) {
+            anchorIsValid(this.source);
+            if (ctx.options.verifyAliasOrder && !ctx.anchors.has(this.source)) {
+                const msg = `Unresolved alias (the anchor must be set before the alias): ${this.source}`;
+                throw new Error(msg);
+            }
+            if (ctx.implicitKey)
+                return `${src} `;
+        }
+        return src;
+    }
+}
+function getAliasCount(doc, node, anchors) {
+    if (isAlias(node)) {
+        const source = node.resolve(doc);
+        const anchor = anchors && source && anchors.get(source);
+        return anchor ? anchor.count * anchor.aliasCount : 0;
+    }
+    else if (isCollection(node)) {
+        let count = 0;
+        for (const item of node.items) {
+            const c = getAliasCount(doc, item, anchors);
+            if (c > count)
+                count = c;
+        }
+        return count;
+    }
+    else if (isPair(node)) {
+        const kc = getAliasCount(doc, node.key, anchors);
+        const vc = getAliasCount(doc, node.value, anchors);
+        return Math.max(kc, vc);
+    }
+    return 1;
+}
+
+export { Alias };

node_modules/yaml/browser/dist/nodes/Collection.js

@@ -0,0 +1,148 @@
+import { createNode } from '../doc/createNode.js';
+import { isNode, isPair, isCollection, isScalar } from './identity.js';
+import { NodeBase } from './Node.js';
+
+function collectionFromPath(schema, path, value) {
+    let v = value;
+    for (let i = path.length - 1; i >= 0; --i) {
+        const k = path[i];
+        if (typeof k === 'number' && Number.isInteger(k) && k >= 0) {
+            const a = [];
+            a[k] = v;
+            v = a;
+        }
+        else {
+            v = new Map([[k, v]]);
+        }
+    }
+    return createNode(v, undefined, {
+        aliasDuplicateObjects: false,
+        keepUndefined: false,
+        onAnchor: () => {
+            throw new Error('This should not happen, please report a bug.');
+        },
+        schema,
+        sourceObjects: new Map()
+    });
+}
+// 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 ||
+    (typeof path === 'object' && !!path[Symbol.iterator]().next().done);
+class Collection extends NodeBase {
+    constructor(type, schema) {
+        super(type);
+        Object.defineProperty(this, 'schema', {
+            value: schema,
+            configurable: true,
+            enumerable: false,
+            writable: true
+        });
+    }
+    /**
+     * Create a copy of this collection.
+     *
+     * @param schema - If defined, overwrites the original's schema
+     */
+    clone(schema) {
+        const copy = Object.create(Object.getPrototypeOf(this), Object.getOwnPropertyDescriptors(this));
+        if (schema)
+            copy.schema = schema;
+        copy.items = copy.items.map(it => isNode(it) || isPair(it) ? it.clone(schema) : it);
+        if (this.range)
+            copy.range = this.range.slice();
+        return copy;
+    }
+    /**
+     * Adds a value to the collection. For `!!map` and `!!omap` the value must
+     * be a Pair instance or a `{ key, value }` object, which may not have a key
+     * that already exists in the map.
+     */
+    addIn(path, value) {
+        if (isEmptyPath(path))
+            this.add(value);
+        else {
+            const [key, ...rest] = path;
+            const node = this.get(key, true);
+            if (isCollection(node))
+                node.addIn(rest, value);
+            else if (node === undefined && this.schema)
+                this.set(key, collectionFromPath(this.schema, rest, value));
+            else
+                throw new Error(`Expected YAML collection at ${key}. Remaining path: ${rest}`);
+        }
+    }
+    /**
+     * Removes a value from the collection.
+     * @returns `true` if the item was found and removed.
+     */
+    deleteIn(path) {
+        const [key, ...rest] = path;
+        if (rest.length === 0)
+            return this.delete(key);
+        const node = this.get(key, true);
+        if (isCollection(node))
+            return node.deleteIn(rest);
+        else
+            throw new Error(`Expected YAML collection at ${key}. Remaining path: ${rest}`);
+    }
+    /**
+     * 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).
+     */
+    getIn(path, keepScalar) {
+        const [key, ...rest] = path;
+        const node = this.get(key, true);
+        if (rest.length === 0)
+            return !keepScalar && isScalar(node) ? node.value : node;
+        else
+            return isCollection(node) ? node.getIn(rest, keepScalar) : undefined;
+    }
+    hasAllNullValues(allowScalar) {
+        return this.items.every(node => {
+            if (!isPair(node))
+                return false;
+            const n = node.value;
+            return (n == null ||
+                (allowScalar &&
+                    isScalar(n) &&
+                    n.value == null &&
+                    !n.commentBefore &&
+                    !n.comment &&
+                    !n.tag));
+        });
+    }
+    /**
+     * Checks if the collection includes a value with the key `key`.
+     */
+    hasIn(path) {
+        const [key, ...rest] = path;
+        if (rest.length === 0)
+            return this.has(key);
+        const node = this.get(key, true);
+        return isCollection(node) ? node.hasIn(rest) : false;
+    }
+    /**
+     * Sets a value in this collection. For `!!set`, `value` needs to be a
+     * boolean to add/remove the item from the set.
+     */
+    setIn(path, value) {
+        const [key, ...rest] = path;
+        if (rest.length === 0) {
+            this.set(key, value);
+        }
+        else {
+            const node = this.get(key, true);
+            if (isCollection(node))
+                node.setIn(rest, value);
+            else if (node === undefined && this.schema)
+                this.set(key, collectionFromPath(this.schema, rest, value));
+            else
+                throw new Error(`Expected YAML collection at ${key}. Remaining path: ${rest}`);
+        }
+    }
+}
+Collection.maxFlowStringSingleLineLength = 60;
+
+export { Collection, collectionFromPath, isEmptyPath };

node_modules/yaml/browser/dist/nodes/Node.js

@@ -0,0 +1,38 @@
+import { applyReviver } from '../doc/applyReviver.js';
+import { NODE_TYPE, isDocument } from './identity.js';
+import { toJS } from './toJS.js';
+
+class NodeBase {
+    constructor(type) {
+        Object.defineProperty(this, NODE_TYPE, { value: type });
+    }
+    /** Create a copy of this node.  */
+    clone() {
+        const copy = Object.create(Object.getPrototypeOf(this), Object.getOwnPropertyDescriptors(this));
+        if (this.range)
+            copy.range = this.range.slice();
+        return copy;
+    }
+    /** A plain JavaScript representation of this node. */
+    toJS(doc, { mapAsMap, maxAliasCount, onAnchor, reviver } = {}) {
+        if (!isDocument(doc))
+            throw new TypeError('A document argument is required');
+        const ctx = {
+            anchors: new Map(),
+            doc,
+            keep: true,
+            mapAsMap: mapAsMap === true,
+            mapKeyWarned: false,
+            maxAliasCount: typeof maxAliasCount === 'number' ? maxAliasCount : 100
+        };
+        const res = toJS(this, '', ctx);
+        if (typeof onAnchor === 'function')
+            for (const { count, res } of ctx.anchors.values())
+                onAnchor(res, count);
+        return typeof reviver === 'function'
+            ? applyReviver(reviver, { '': res }, '', res)
+            : res;
+    }
+}
+
+export { NodeBase };

node_modules/yaml/browser/dist/nodes/Pair.js

@@ -0,0 +1,36 @@
+import { createNode } from '../doc/createNode.js';
+import { stringifyPair } from '../stringify/stringifyPair.js';
+import { addPairToJSMap } from './addPairToJSMap.js';
+import { NODE_TYPE, PAIR, isNode } from './identity.js';
+
+function createPair(key, value, ctx) {
+    const k = createNode(key, undefined, ctx);
+    const v = createNode(value, undefined, ctx);
+    return new Pair(k, v);
+}
+class Pair {
+    constructor(key, value = null) {
+        Object.defineProperty(this, NODE_TYPE, { value: PAIR });
+        this.key = key;
+        this.value = value;
+    }
+    clone(schema) {
+        let { key, value } = this;
+        if (isNode(key))
+            key = key.clone(schema);
+        if (isNode(value))
+            value = value.clone(schema);
+        return new Pair(key, value);
+    }
+    toJSON(_, ctx) {
+        const pair = ctx?.mapAsMap ? new Map() : {};
+        return addPairToJSMap(ctx, pair, this);
+    }
+    toString(ctx, onComment, onChompKeep) {
+        return ctx?.doc
+            ? stringifyPair(this, ctx, onComment, onChompKeep)
+            : JSON.stringify(this);
+    }
+}
+
+export { Pair, createPair };

node_modules/yaml/browser/dist/nodes/Scalar.js

@@ -0,0 +1,24 @@
+import { SCALAR } from './identity.js';
+import { NodeBase } from './Node.js';
+import { toJS } from './toJS.js';
+
+const isScalarValue = (value) => !value || (typeof value !== 'function' && typeof value !== 'object');
+class Scalar extends NodeBase {
+    constructor(value) {
+        super(SCALAR);
+        this.value = value;
+    }
+    toJSON(arg, ctx) {
+        return ctx?.keep ? this.value : toJS(this.value, arg, ctx);
+    }
+    toString() {
+        return String(this.value);
+    }
+}
+Scalar.BLOCK_FOLDED = 'BLOCK_FOLDED';
+Scalar.BLOCK_LITERAL = 'BLOCK_LITERAL';
+Scalar.PLAIN = 'PLAIN';
+Scalar.QUOTE_DOUBLE = 'QUOTE_DOUBLE';
+Scalar.QUOTE_SINGLE = 'QUOTE_SINGLE';
+
+export { Scalar, isScalarValue };

node_modules/yaml/browser/dist/nodes/YAMLMap.js

@@ -0,0 +1,144 @@
+import { stringifyCollection } from '../stringify/stringifyCollection.js';
+import { addPairToJSMap } from './addPairToJSMap.js';
+import { Collection } from './Collection.js';
+import { isPair, isScalar, MAP } from './identity.js';
+import { Pair, createPair } from './Pair.js';
+import { isScalarValue } from './Scalar.js';
+
+function findPair(items, key) {
+    const k = isScalar(key) ? key.value : key;
+    for (const it of items) {
+        if (isPair(it)) {
+            if (it.key === key || it.key === k)
+                return it;
+            if (isScalar(it.key) && it.key.value === k)
+                return it;
+        }
+    }
+    return undefined;
+}
+class YAMLMap extends Collection {
+    static get tagName() {
+        return 'tag:yaml.org,2002:map';
+    }
+    constructor(schema) {
+        super(MAP, schema);
+        this.items = [];
+    }
+    /**
+     * A generic collection parsing method that can be extended
+     * to other node classes that inherit from YAMLMap
+     */
+    static from(schema, obj, ctx) {
+        const { keepUndefined, replacer } = ctx;
+        const map = new this(schema);
+        const add = (key, value) => {
+            if (typeof replacer === 'function')
+                value = replacer.call(obj, key, value);
+            else if (Array.isArray(replacer) && !replacer.includes(key))
+                return;
+            if (value !== undefined || keepUndefined)
+                map.items.push(createPair(key, value, ctx));
+        };
+        if (obj instanceof Map) {
+            for (const [key, value] of obj)
+                add(key, value);
+        }
+        else if (obj && typeof obj === 'object') {
+            for (const key of Object.keys(obj))
+                add(key, obj[key]);
+        }
+        if (typeof schema.sortMapEntries === 'function') {
+            map.items.sort(schema.sortMapEntries);
+        }
+        return map;
+    }
+    /**
+     * Adds a value to the collection.
+     *
+     * @param overwrite - If not set `true`, using a key that is already in the
+     *   collection will throw. Otherwise, overwrites the previous value.
+     */
+    add(pair, overwrite) {
+        let _pair;
+        if (isPair(pair))
+            _pair = pair;
+        else if (!pair || typeof pair !== 'object' || !('key' in pair)) {
+            // In TypeScript, this never happens.
+            _pair = new Pair(pair, pair?.value);
+        }
+        else
+            _pair = new Pair(pair.key, pair.value);
+        const prev = findPair(this.items, _pair.key);
+        const sortEntries = this.schema?.sortMapEntries;
+        if (prev) {
+            if (!overwrite)
+                throw new Error(`Key ${_pair.key} already set`);
+            // For scalars, keep the old node & its comments and anchors
+            if (isScalar(prev.value) && isScalarValue(_pair.value))
+                prev.value.value = _pair.value;
+            else
+                prev.value = _pair.value;
+        }
+        else if (sortEntries) {
+            const i = this.items.findIndex(item => sortEntries(_pair, item) < 0);
+            if (i === -1)
+                this.items.push(_pair);
+            else
+                this.items.splice(i, 0, _pair);
+        }
+        else {
+            this.items.push(_pair);
+        }
+    }
+    delete(key) {
+        const it = findPair(this.items, key);
+        if (!it)
+            return false;
+        const del = this.items.splice(this.items.indexOf(it), 1);
+        return del.length > 0;
+    }
+    get(key, keepScalar) {
+        const it = findPair(this.items, key);
+        const node = it?.value;
+        return (!keepScalar && isScalar(node) ? node.value : node) ?? undefined;
+    }
+    has(key) {
+        return !!findPair(this.items, key);
+    }
+    set(key, value) {
+        this.add(new Pair(key, value), true);
+    }
+    /**
+     * @param ctx - Conversion context, originally set in Document#toJS()
+     * @param {Class} Type - If set, forces the returned collection type
+     * @returns Instance of Type, Map, or Object
+     */
+    toJSON(_, ctx, Type) {
+        const map = Type ? new Type() : ctx?.mapAsMap ? new Map() : {};
+        if (ctx?.onCreate)
+            ctx.onCreate(map);
+        for (const item of this.items)
+            addPairToJSMap(ctx, map, item);
+        return map;
+    }
+    toString(ctx, onComment, onChompKeep) {
+        if (!ctx)
+            return JSON.stringify(this);
+        for (const item of this.items) {
+            if (!isPair(item))
+                throw new Error(`Map items must all be pairs; found ${JSON.stringify(item)} instead`);
+        }
+        if (!ctx.allNullValues && this.hasAllNullValues(false))
+            ctx = Object.assign({}, ctx, { allNullValues: true });
+        return stringifyCollection(this, ctx, {
+            blockItemPrefix: '',
+            flowChars: { start: '{', end: '}' },
+            itemIndent: ctx.indent || '',
+            onChompKeep,
+            onComment
+        });
+    }
+}
+
+export { YAMLMap, findPair };

node_modules/yaml/browser/dist/nodes/YAMLSeq.js

@@ -0,0 +1,113 @@
+import { createNode } from '../doc/createNode.js';
+import { stringifyCollection } from '../stringify/stringifyCollection.js';
+import { Collection } from './Collection.js';
+import { SEQ, isScalar } from './identity.js';
+import { isScalarValue } from './Scalar.js';
+import { toJS } from './toJS.js';
+
+class YAMLSeq extends Collection {
+    static get tagName() {
+        return 'tag:yaml.org,2002:seq';
+    }
+    constructor(schema) {
+        super(SEQ, schema);
+        this.items = [];
+    }
+    add(value) {
+        this.items.push(value);
+    }
+    /**
+     * Removes a value from the collection.
+     *
+     * `key` must contain a representation of an integer for this to succeed.
+     * It may be wrapped in a `Scalar`.
+     *
+     * @returns `true` if the item was found and removed.
+     */
+    delete(key) {
+        const idx = asItemIndex(key);
+        if (typeof idx !== 'number')
+            return false;
+        const del = this.items.splice(idx, 1);
+        return del.length > 0;
+    }
+    get(key, keepScalar) {
+        const idx = asItemIndex(key);
+        if (typeof idx !== 'number')
+            return undefined;
+        const it = this.items[idx];
+        return !keepScalar && isScalar(it) ? it.value : it;
+    }
+    /**
+     * Checks if the collection includes a value with the key `key`.
+     *
+     * `key` must contain a representation of an integer for this to succeed.
+     * It may be wrapped in a `Scalar`.
+     */
+    has(key) {
+        const idx = asItemIndex(key);
+        return typeof idx === 'number' && idx < this.items.length;
+    }
+    /**
+     * Sets a value in this collection. For `!!set`, `value` needs to be a
+     * boolean to add/remove the item from the set.
+     *
+     * If `key` does not contain a representation of an integer, this will throw.
+     * It may be wrapped in a `Scalar`.
+     */
+    set(key, value) {
+        const idx = asItemIndex(key);
+        if (typeof idx !== 'number')
+            throw new Error(`Expected a valid index, not ${key}.`);
+        const prev = this.items[idx];
+        if (isScalar(prev) && isScalarValue(value))
+            prev.value = value;
+        else
+            this.items[idx] = value;
+    }
+    toJSON(_, ctx) {
+        const seq = [];
+        if (ctx?.onCreate)
+            ctx.onCreate(seq);
+        let i = 0;
+        for (const item of this.items)
+            seq.push(toJS(item, String(i++), ctx));
+        return seq;
+    }
+    toString(ctx, onComment, onChompKeep) {
+        if (!ctx)
+            return JSON.stringify(this);
+        return stringifyCollection(this, ctx, {
+            blockItemPrefix: '- ',
+            flowChars: { start: '[', end: ']' },
+            itemIndent: (ctx.indent || '') + '  ',
+            onChompKeep,
+            onComment
+        });
+    }
+    static from(schema, obj, ctx) {
+        const { replacer } = ctx;
+        const seq = new this(schema);
+        if (obj && Symbol.iterator in Object(obj)) {
+            let i = 0;
+            for (let it of obj) {
+                if (typeof replacer === 'function') {
+                    const key = obj instanceof Set ? it : String(i++);
+                    it = replacer.call(obj, key, it);
+                }
+                seq.items.push(createNode(it, undefined, ctx));
+            }
+        }
+        return seq;
+    }
+}
+function asItemIndex(key) {
+    let idx = isScalar(key) ? key.value : key;
+    if (idx && typeof idx === 'string')
+        idx = Number(idx);
+    return typeof idx === 'number' && Number.isInteger(idx) && idx >= 0
+        ? idx
+        : null;
+}
+
+export { YAMLSeq };

node_modules/yaml/browser/dist/nodes/addPairToJSMap.js

@@ -0,0 +1,104 @@
+import { warn } from '../log.js';
+import { createStringifyContext } from '../stringify/stringify.js';
+import { isAlias, isSeq, isScalar, isMap, isNode } from './identity.js';
+import { Scalar } from './Scalar.js';
+import { toJS } from './toJS.js';
+
+const MERGE_KEY = '<<';
+function addPairToJSMap(ctx, map, { key, value }) {
+    if (ctx?.doc.schema.merge && isMergeKey(key)) {
+        value = isAlias(value) ? value.resolve(ctx.doc) : value;
+        if (isSeq(value))
+            for (const it of value.items)
+                mergeToJSMap(ctx, map, it);
+        else if (Array.isArray(value))
+            for (const it of value)
+                mergeToJSMap(ctx, map, it);
+        else
+            mergeToJSMap(ctx, map, value);
+    }
+    else {
+        const jsKey = toJS(key, '', ctx);
+        if (map instanceof Map) {
+            map.set(jsKey, toJS(value, jsKey, ctx));
+        }
+        else if (map instanceof Set) {
+            map.add(jsKey);
+        }
+        else {
+            const stringKey = stringifyKey(key, jsKey, ctx);
+            const jsValue = toJS(value, stringKey, ctx);
+            if (stringKey in map)
+                Object.defineProperty(map, stringKey, {
+                    value: jsValue,
+                    writable: true,
+                    enumerable: true,
+                    configurable: true
+                });
+            else
+                map[stringKey] = jsValue;
+        }
+    }
+    return map;
+}
+const isMergeKey = (key) => key === MERGE_KEY ||
+    (isScalar(key) &&
+        key.value === MERGE_KEY &&
+        (!key.type || key.type === Scalar.PLAIN));
+// If the value associated with a merge key is a single mapping node, each of
+// its key/value pairs is inserted into the current mapping, unless the key
+// already exists in it. If the value associated with the merge key is a
+// sequence, then this sequence is expected to contain mapping nodes and each
+// of these nodes is merged in turn according to its order in the sequence.
+// Keys in mapping nodes earlier in the sequence override keys specified in
+// later mapping nodes. -- http://yaml.org/type/merge.html
+function mergeToJSMap(ctx, map, value) {
+    const source = ctx && isAlias(value) ? value.resolve(ctx.doc) : value;
+    if (!isMap(source))
+        throw new Error('Merge sources must be maps or map aliases');
+    const srcMap = source.toJSON(null, ctx, Map);
+    for (const [key, value] of srcMap) {
+        if (map instanceof Map) {
+            if (!map.has(key))
+                map.set(key, value);
+        }
+        else if (map instanceof Set) {
+            map.add(key);
+        }
+        else if (!Object.prototype.hasOwnProperty.call(map, key)) {
+            Object.defineProperty(map, key, {
+                value,
+                writable: true,
+                enumerable: true,
+                configurable: true
+            });
+        }
+    }
+    return map;
+}
+function stringifyKey(key, jsKey, ctx) {
+    if (jsKey === null)
+        return '';
+    if (typeof jsKey !== 'object')
+        return String(jsKey);
+    if (isNode(key) && ctx?.doc) {
+        const strCtx = createStringifyContext(ctx.doc, {});
+        strCtx.anchors = new Set();
+        for (const node of ctx.anchors.keys())
+            strCtx.anchors.add(node.anchor);
+        strCtx.inFlow = true;
+        strCtx.inStringifyKey = true;
+        const strKey = key.toString(strCtx);
+        if (!ctx.mapKeyWarned) {
+            let jsonStr = JSON.stringify(strKey);
+            if (jsonStr.length > 40)
+                jsonStr = jsonStr.substring(0, 36) + '..."';
+            warn(ctx.doc.options.logLevel, `Keys with collection values will be stringified due to JS Object restrictions: ${jsonStr}. Set mapAsMap: true to use object keys.`);
+            ctx.mapKeyWarned = true;
+        }
+        return strKey;
+    }
+    return JSON.stringify(jsKey);
+}
+
+export { addPairToJSMap };

node_modules/yaml/browser/dist/nodes/identity.js

@@ -0,0 +1,36 @@
+const ALIAS = Symbol.for('yaml.alias');
+const DOC = Symbol.for('yaml.document');
+const MAP = Symbol.for('yaml.map');
+const PAIR = Symbol.for('yaml.pair');
+const SCALAR = Symbol.for('yaml.scalar');
+const SEQ = Symbol.for('yaml.seq');
+const NODE_TYPE = Symbol.for('yaml.node.type');
+const isAlias = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === ALIAS;
+const isDocument = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === DOC;
+const isMap = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === MAP;
+const isPair = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === PAIR;
+const isScalar = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === SCALAR;
+const isSeq = (node) => !!node && typeof node === 'object' && node[NODE_TYPE] === SEQ;
+function isCollection(node) {
+    if (node && typeof node === 'object')
+        switch (node[NODE_TYPE]) {
+            case MAP:
+            case SEQ:
+                return true;
+        }
+    return false;
+}
+function isNode(node) {
+    if (node && typeof node === 'object')
+        switch (node[NODE_TYPE]) {
+            case ALIAS:
+            case MAP:
+            case SCALAR:
+            case SEQ:
+                return true;
+        }
+    return false;
+}
+const hasAnchor = (node) => (isScalar(node) || isCollection(node)) && !!node.anchor;
+
+export { ALIAS, DOC, MAP, NODE_TYPE, PAIR, SCALAR, SEQ, hasAnchor, isAlias, isCollection, isDocument, isMap, isNode, isPair, isScalar, isSeq };

node_modules/yaml/browser/dist/nodes/toJS.js

@@ -0,0 +1,37 @@
+import { hasAnchor } from './identity.js';
+
+/**
+ * Recursively convert any node or its contents to native JavaScript
+ *
+ * @param value - The input value
+ * @param arg - If `value` defines a `toJSON()` method, use this
+ *   as its first argument
+ * @param ctx - Conversion context, originally set in Document#toJS(). If
+ *   `{ keep: true }` is not set, output should be suitable for JSON
+ *   stringification.
+ */
+function toJS(value, arg, ctx) {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
+    if (Array.isArray(value))
+        return value.map((v, i) => toJS(v, String(i), ctx));
+    if (value && typeof value.toJSON === 'function') {
+        // eslint-disable-next-line @typescript-eslint/no-unsafe-call
+        if (!ctx || !hasAnchor(value))
+            return value.toJSON(arg, ctx);
+        const data = { aliasCount: 0, count: 1, res: undefined };
+        ctx.anchors.set(value, data);
+        ctx.onCreate = res => {
+            data.res = res;
+            delete ctx.onCreate;
+        };
+        const res = value.toJSON(arg, ctx);
+        if (ctx.onCreate)
+            ctx.onCreate(res);
+        return res;
+    }
+    if (typeof value === 'bigint' && !ctx?.keep)
+        return Number(value);
+    return value;
+}
+
+export { toJS };