Open sourceHEADmane

1 files changed, 63 insertions, 0 deletions

diff --git a/node_modules/yaml/dist/parse/cst-stringify.js b/node_modules/yaml/dist/parse/cst-stringify.js
new file mode 100644
index 0000000..78e8c37
--- /dev/null
+++ b/node_modules/yaml/dist/parse/cst-stringify.js
@@ -0,0 +1,63 @@
+'use strict';
+
+/**
+ * Stringify a CST document, token, or collection item
+ *
+ * Fair warning: This applies no validation whatsoever, and
+ * simply concatenates the sources in their logical order.
+ */
+const stringify = (cst) => 'type' in cst ? stringifyToken(cst) : stringifyItem(cst);
+function stringifyToken(token) {
+    switch (token.type) {
+        case 'block-scalar': {
+            let res = '';
+            for (const tok of token.props)
+                res += stringifyToken(tok);
+            return res + token.source;
+        }
+        case 'block-map':
+        case 'block-seq': {
+            let res = '';
+            for (const item of token.items)
+                res += stringifyItem(item);
+            return res;
+        }
+        case 'flow-collection': {
+            let res = token.start.source;
+            for (const item of token.items)
+                res += stringifyItem(item);
+            for (const st of token.end)
+                res += st.source;
+            return res;
+        }
+        case 'document': {
+            let res = stringifyItem(token);
+            if (token.end)
+                for (const st of token.end)
+                    res += st.source;
+            return res;
+        }
+        default: {
+            let res = token.source;
+            if ('end' in token && token.end)
+                for (const st of token.end)
+                    res += st.source;
+            return res;
+        }
+    }
+}
+function stringifyItem({ start, key, sep, value }) {
+    let res = '';
+    for (const st of start)
+        res += st.source;
+    if (key)
+        res += stringifyToken(key);
+    if (sep)
+        for (const st of sep)
+            res += st.source;
+    if (value)
+        res += stringifyToken(value);
+    return res;
+}
+
+exports.stringify = stringify;