Revamping to matrix style

node_modules/yaml-language-server/lib/esm/languageservice/utils/astUtils.js

@@ -0,0 +1,108 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Red Hat, Inc. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import { isDocument, isScalar, visit } from 'yaml';
+export function getParent(doc, nodeToFind) {
+    let parentNode;
+    visit(doc, (_, node, path) => {
+        if (node === nodeToFind) {
+            parentNode = path[path.length - 1];
+            return visit.BREAK;
+        }
+    });
+    if (isDocument(parentNode)) {
+        return undefined;
+    }
+    return parentNode;
+}
+export function isMapContainsEmptyPair(map) {
+    if (map.items.length > 1) {
+        return false;
+    }
+    const pair = map.items[0];
+    return isScalar(pair.key) && isScalar(pair.value) && pair.key.value === '' && !pair.value.value;
+}
+export function indexOf(seq, item) {
+    for (const [i, obj] of seq.items.entries()) {
+        if (item === obj) {
+            return i;
+        }
+    }
+    return undefined;
+}
+/**
+ * Check that given offset is in YAML comment
+ * @param doc the yaml document
+ * @param offset the offset to check
+ */
+export function isInComment(tokens, offset) {
+    let inComment = false;
+    for (const token of tokens) {
+        if (token.type === 'document') {
+            _visit([], token, (item) => {
+                if (isCollectionItem(item) && item.value?.type === 'comment') {
+                    if (token.offset <= offset && item.value.source.length + item.value.offset >= offset) {
+                        inComment = true;
+                        return visit.BREAK;
+                    }
+                }
+                else if (item.type === 'comment' && item.offset <= offset && item.offset + item.source.length >= offset) {
+                    inComment = true;
+                    return visit.BREAK;
+                }
+            });
+        }
+        else if (token.type === 'comment') {
+            if (token.offset <= offset && token.source.length + token.offset >= offset) {
+                return true;
+            }
+        }
+        if (inComment) {
+            break;
+        }
+    }
+    return inComment;
+}
+export function isCollectionItem(token) {
+    return token['start'] !== undefined;
+}
+function _visit(path, item, visitor) {
+    let ctrl = visitor(item, path);
+    if (typeof ctrl === 'symbol')
+        return ctrl;
+    for (const field of ['key', 'value']) {
+        const token = item[field];
+        if (token && 'items' in token) {
+            for (let i = 0; i < token.items.length; ++i) {
+                const ci = _visit(Object.freeze(path.concat([[field, i]])), token.items[i], visitor);
+                if (typeof ci === 'number')
+                    i = ci - 1;
+                else if (ci === visit.BREAK)
+                    return visit.BREAK;
+                else if (ci === visit.REMOVE) {
+                    token.items.splice(i, 1);
+                    i -= 1;
+                }
+            }
+            if (typeof ctrl === 'function' && field === 'key')
+                ctrl = ctrl(item, path);
+        }
+    }
+    const token = item['sep'];
+    if (token) {
+        for (let i = 0; i < token.length; ++i) {
+            const ci = _visit(Object.freeze(path), token[i], visitor);
+            if (typeof ci === 'number')
+                i = ci - 1;
+            else if (ci === visit.BREAK)
+                return visit.BREAK;
+            else if (ci === visit.REMOVE) {
+                token.items.splice(i, 1);
+                i -= 1;
+            }
+        }
+    }
+    return typeof ctrl === 'function' ? ctrl(item, path) : ctrl;
+}
+//# sourceMappingURL=astUtils.js.map