summaryrefslogtreecommitdiff
path: root/node_modules/yaml/dist/stringify/stringify.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/yaml/dist/stringify/stringify.js')
-rw-r--r--node_modules/yaml/dist/stringify/stringify.js125
1 files changed, 125 insertions, 0 deletions
diff --git a/node_modules/yaml/dist/stringify/stringify.js b/node_modules/yaml/dist/stringify/stringify.js
new file mode 100644
index 0000000..a9a38c7
--- /dev/null
+++ b/node_modules/yaml/dist/stringify/stringify.js
@@ -0,0 +1,125 @@
+'use strict';
+
+var anchors = require('../doc/anchors.js');
+var Node = require('../nodes/Node.js');
+var stringifyComment = require('./stringifyComment.js');
+var stringifyString = require('./stringifyString.js');
+
+function createStringifyContext(doc, options) {
+ const opt = Object.assign({
+ blockQuote: true,
+ commentString: stringifyComment.stringifyComment,
+ defaultKeyType: null,
+ defaultStringType: 'PLAIN',
+ directives: null,
+ doubleQuotedAsJSON: false,
+ doubleQuotedMinMultiLineLength: 40,
+ falseStr: 'false',
+ indentSeq: true,
+ lineWidth: 80,
+ minContentWidth: 20,
+ nullStr: 'null',
+ simpleKeys: false,
+ singleQuote: null,
+ trueStr: 'true',
+ verifyAliasOrder: true
+ }, doc.schema.toStringOptions, options);
+ let inFlow;
+ switch (opt.collectionStyle) {
+ case 'block':
+ inFlow = false;
+ break;
+ case 'flow':
+ inFlow = true;
+ break;
+ default:
+ inFlow = null;
+ }
+ return {
+ anchors: new Set(),
+ doc,
+ indent: '',
+ indentStep: typeof opt.indent === 'number' ? ' '.repeat(opt.indent) : ' ',
+ inFlow,
+ options: opt
+ };
+}
+function getTagObject(tags, item) {
+ if (item.tag) {
+ const match = tags.filter(t => t.tag === item.tag);
+ if (match.length > 0)
+ return match.find(t => t.format === item.format) ?? match[0];
+ }
+ let tagObj = undefined;
+ let obj;
+ if (Node.isScalar(item)) {
+ obj = item.value;
+ const match = tags.filter(t => t.identify?.(obj));
+ tagObj =
+ match.find(t => t.format === item.format) ?? match.find(t => !t.format);
+ }
+ else {
+ obj = item;
+ tagObj = tags.find(t => t.nodeClass && obj instanceof t.nodeClass);
+ }
+ if (!tagObj) {
+ const name = obj?.constructor?.name ?? typeof obj;
+ throw new Error(`Tag not resolved for ${name} value`);
+ }
+ return tagObj;
+}
+// needs to be called before value stringifier to allow for circular anchor refs
+function stringifyProps(node, tagObj, { anchors: anchors$1, doc }) {
+ if (!doc.directives)
+ return '';
+ const props = [];
+ const anchor = (Node.isScalar(node) || Node.isCollection(node)) && node.anchor;
+ if (anchor && anchors.anchorIsValid(anchor)) {
+ anchors$1.add(anchor);
+ props.push(`&${anchor}`);
+ }
+ const tag = node.tag ? node.tag : tagObj.default ? null : tagObj.tag;
+ if (tag)
+ props.push(doc.directives.tagString(tag));
+ return props.join(' ');
+}
+function stringify(item, ctx, onComment, onChompKeep) {
+ if (Node.isPair(item))
+ return item.toString(ctx, onComment, onChompKeep);
+ if (Node.isAlias(item)) {
+ if (ctx.doc.directives)
+ return item.toString(ctx);
+ if (ctx.resolvedAliases?.has(item)) {
+ throw new TypeError(`Cannot stringify circular structure without alias nodes`);
+ }
+ else {
+ if (ctx.resolvedAliases)
+ ctx.resolvedAliases.add(item);
+ else
+ ctx.resolvedAliases = new Set([item]);
+ item = item.resolve(ctx.doc);
+ }
+ }
+ let tagObj = undefined;
+ const node = Node.isNode(item)
+ ? item
+ : ctx.doc.createNode(item, { onTagObj: o => (tagObj = o) });
+ if (!tagObj)
+ tagObj = getTagObject(ctx.doc.schema.tags, node);
+ const props = stringifyProps(node, tagObj, ctx);
+ if (props.length > 0)
+ ctx.indentAtStart = (ctx.indentAtStart ?? 0) + props.length + 1;
+ const str = typeof tagObj.stringify === 'function'
+ ? tagObj.stringify(node, ctx, onComment, onChompKeep)
+ : Node.isScalar(node)
+ ? stringifyString.stringifyString(node, ctx, onComment, onChompKeep)
+ : node.toString(ctx, onComment, onChompKeep);
+ if (!props)
+ return str;
+ return Node.isScalar(node) || str[0] === '{' || str[0] === '['
+ ? `${props} ${str}`
+ : `${props}\n${ctx.indent}${str}`;
+}
+
+exports.createStringifyContext = createStringifyContext;
+exports.stringify = stringify;