Add node_modules

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

@@ -0,0 +1,116 @@
+import { stringifyCollection } from '../stringify/stringifyCollection.js';
+import { addPairToJSMap } from './addPairToJSMap.js';
+import { Collection } from './Collection.js';
+import { isPair, isScalar, MAP } from './Node.js';
+import { Pair } 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 = [];
+    }
+    /**
+     * 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 };