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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,94 +1,102 @@ | ||
| 'use strict'; | ||
| 'use strict' | ||
|
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| var Index = require('unist-util-index'); | ||
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| var url = require('url'), | ||
| path = require('path'); | ||
| var url = require('url') | ||
| var path = require('path') | ||
| var Index = require('unist-util-index') | ||
|
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| var concat = [].concat | ||
| var push = [].push | ||
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| module.exports = defsplit | ||
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| function defsplit(opts) { | ||
| var id = (opts || {}).id || [] | ||
| var ids = (typeof id === 'object' && 'length' in id ? id : [id]).map(String) | ||
|
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| return transform | ||
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| function transform(ast) { | ||
| var definitionsById = new Index(ast, 'definition', 'identifier') | ||
| var definitionsByUrl = new Index(ast, 'definition', 'url') | ||
| var definitions = [] | ||
| var hosts = Object.create(null) | ||
|
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| postorder(ast) | ||
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| push.apply(ast.children, definitions) | ||
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| function postorder(node) { | ||
| var nodes | ||
|
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| module.exports = function (opts) { | ||
| opts = opts || {}; | ||
| opts.id = (opts.id | ||
| ? (Array.isArray(opts.id) | ||
| ? opts.id.map(String) | ||
| : [String(opts.id)]) | ||
| : []); | ||
|
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| return function (ast) { | ||
| var definitionsById = Index(ast, 'definition', function (definition) { | ||
| return definition.identifier.toLowerCase(); | ||
| }); | ||
| var definitionsByLink = Index(ast, 'definition', 'url'); | ||
| var newDefinitions = []; | ||
| var hostCount = Object.create(null); | ||
|
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| (function postorder (node) { | ||
| if (node.children) { | ||
| node.children = concat.apply([], node.children.map(postorder)); | ||
| node.children = concat.apply([], node.children.map(postorder)) | ||
| } | ||
| return forNode.apply(null, arguments) || node; | ||
| }(ast)); | ||
|
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| [].push.apply(ast.children, newDefinitions); | ||
|
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| function forNode (node) { | ||
| if (node.type == 'definition' || node.type == 'heading') { | ||
| var nodes = newDefinitions.concat(node); | ||
| newDefinitions.length = 0; | ||
| return nodes; | ||
| if (node.type === 'definition' || node.type === 'heading') { | ||
| nodes = definitions.concat(node) | ||
| definitions = [] | ||
| return nodes | ||
| } | ||
|
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| if (node.type !== 'link' && node.type !== 'image') return; | ||
| if (node.type === 'link' || node.type === 'image') { | ||
| node.type += 'Reference' | ||
| node.referenceType = 'full' | ||
| node.identifier = identifier(node.url, node.title) | ||
|
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| node.type += 'Reference'; | ||
| node.referenceType = 'full'; | ||
| node.identifier = identifier(node.url, node.title); | ||
| delete node.url | ||
| delete node.title | ||
| } | ||
|
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| delete node.url; | ||
| delete node.title; | ||
| return node | ||
| } | ||
|
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| function identifier (link, title) { | ||
| var identifier; | ||
|
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| var found = definitionsByLink.get(link).some(function (def) { | ||
| if (def.title == title) { | ||
| identifier = def.identifier; | ||
| return true; | ||
| } | ||
| }); | ||
| function identifier(link, title) { | ||
| var identifier = null | ||
| var found = definitionsByUrl.get(link).some(some) | ||
| var host | ||
| var definition | ||
|
|
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| if (found) { | ||
| return identifier; | ||
| return identifier | ||
| } | ||
|
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| if (!(identifier = opts.id.shift())) { | ||
| var host = urlHost(link); | ||
| hostCount[host] |= 0; | ||
| identifier = ids.shift() | ||
|
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| if (!identifier) { | ||
| host = urlHost(link) | ||
| hosts[host] |= 0 | ||
|
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| do { | ||
| identifier = (host ? host + '-' : '') + ++hostCount[host]; | ||
| } while (definitionsById.get(identifier).length); | ||
| identifier = (host ? host + '-' : '') + ++hosts[host] | ||
| } while (definitionsById.get(identifier).length) | ||
| } | ||
|
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| var newDefinition = { | ||
| definition = { | ||
| type: 'definition', | ||
| identifier: identifier, | ||
| title: title, | ||
| url: link | ||
| }; | ||
| } | ||
|
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| newDefinitions.push(newDefinition); | ||
| definitionsById.add(newDefinition); | ||
| definitionsByLink.add(newDefinition); | ||
| definitions.push(definition) | ||
| definitionsById.add(definition) | ||
| definitionsByUrl.add(definition) | ||
|
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| return identifier; | ||
| } | ||
| }; | ||
| }; | ||
| return identifier | ||
|
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| function some(def) { | ||
| if (def.title === title) { | ||
| identifier = def.identifier | ||
| return true | ||
| } | ||
|
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| return false | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| function urlHost (link) { | ||
| var host = url.parse(link).host; | ||
| return host ? path.parse(host).name : ''; | ||
| function urlHost(link) { | ||
| var host = url.parse(link).host | ||
| return host ? path.parse(host).name : '' | ||
| } |
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