Add node_modules

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 './Node.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 && 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 };