diff options
Diffstat (limited to 'node_modules/yaml/dist/doc/anchors.js')
-rw-r--r-- | node_modules/yaml/dist/doc/anchors.js | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/node_modules/yaml/dist/doc/anchors.js b/node_modules/yaml/dist/doc/anchors.js deleted file mode 100644 index 5c51bdb..0000000 --- a/node_modules/yaml/dist/doc/anchors.js +++ /dev/null @@ -1,77 +0,0 @@ -'use strict'; - -var Node = require('../nodes/Node.js'); -var visit = require('../visit.js'); - -/** - * Verify that the input string is a valid anchor. - * - * Will throw on errors. - */ -function anchorIsValid(anchor) { - if (/[\x00-\x19\s,[\]{}]/.test(anchor)) { - const sa = JSON.stringify(anchor); - const msg = `Anchor must not contain whitespace or control characters: ${sa}`; - throw new Error(msg); - } - return true; -} -function anchorNames(root) { - const anchors = new Set(); - visit.visit(root, { - Value(_key, node) { - if (node.anchor) - anchors.add(node.anchor); - } - }); - return anchors; -} -/** Find a new anchor name with the given `prefix` and a one-indexed suffix. */ -function findNewAnchor(prefix, exclude) { - for (let i = 1; true; ++i) { - const name = `${prefix}${i}`; - if (!exclude.has(name)) - return name; - } -} -function createNodeAnchors(doc, prefix) { - const aliasObjects = []; - const sourceObjects = new Map(); - let prevAnchors = null; - return { - onAnchor: (source) => { - aliasObjects.push(source); - if (!prevAnchors) - prevAnchors = anchorNames(doc); - const anchor = findNewAnchor(prefix, prevAnchors); - prevAnchors.add(anchor); - return anchor; - }, - /** - * With circular references, the source node is only resolved after all - * of its child nodes are. This is why anchors are set only after all of - * the nodes have been created. - */ - setAnchors: () => { - for (const source of aliasObjects) { - const ref = sourceObjects.get(source); - if (typeof ref === 'object' && - ref.anchor && - (Node.isScalar(ref.node) || Node.isCollection(ref.node))) { - ref.node.anchor = ref.anchor; - } - else { - const error = new Error('Failed to resolve repeated object (this should not happen)'); - error.source = source; - throw error; - } - } - }, - sourceObjects - }; -} - -exports.anchorIsValid = anchorIsValid; -exports.anchorNames = anchorNames; -exports.createNodeAnchors = createNodeAnchors; -exports.findNewAnchor = findNewAnchor; |