|
1 |
| -import {h, s} from 'hastscript' |
2 |
| -import {html, svg, find} from 'property-information' |
3 |
| -import vfileLocation from 'vfile-location' |
4 |
| -import {webNamespaces} from 'web-namespaces' |
| 1 | +/** |
| 2 | + * @typedef {import('./lib/index.js').Options} Options |
| 3 | + */ |
5 | 4 |
|
6 |
| -var own = {}.hasOwnProperty |
7 |
| - |
8 |
| -// Handlers. |
9 |
| -var map = { |
10 |
| - '#document': root, |
11 |
| - '#document-fragment': root, |
12 |
| - '#text': text, |
13 |
| - '#comment': comment, |
14 |
| - '#documentType': doctype |
15 |
| -} |
16 |
| - |
17 |
| -// Wrapper to normalise options. |
18 |
| -export function fromParse5(ast, options) { |
19 |
| - var settings = options || {} |
20 |
| - var file |
21 |
| - |
22 |
| - if (settings.messages) { |
23 |
| - file = settings |
24 |
| - settings = {} |
25 |
| - } else { |
26 |
| - file = settings.file |
27 |
| - } |
28 |
| - |
29 |
| - return transform(ast, { |
30 |
| - schema: settings.space === 'svg' ? svg : html, |
31 |
| - file, |
32 |
| - verbose: settings.verbose |
33 |
| - }) |
34 |
| -} |
35 |
| - |
36 |
| -// Transform a node. |
37 |
| -function transform(ast, config) { |
38 |
| - var schema = config.schema |
39 |
| - var fn = own.call(map, ast.nodeName) ? map[ast.nodeName] : element |
40 |
| - var children |
41 |
| - var result |
42 |
| - var position |
43 |
| - |
44 |
| - if (fn === element) { |
45 |
| - config.schema = ast.namespaceURI === webNamespaces.svg ? svg : html |
46 |
| - } |
47 |
| - |
48 |
| - if (ast.childNodes) { |
49 |
| - children = nodes(ast.childNodes, config) |
50 |
| - } |
51 |
| - |
52 |
| - result = fn(ast, children, config) |
53 |
| - |
54 |
| - if (ast.sourceCodeLocation && config.file) { |
55 |
| - position = location(result, ast.sourceCodeLocation, config) |
56 |
| - |
57 |
| - if (position) { |
58 |
| - config.location = true |
59 |
| - result.position = position |
60 |
| - } |
61 |
| - } |
62 |
| - |
63 |
| - config.schema = schema |
64 |
| - |
65 |
| - return result |
66 |
| -} |
67 |
| - |
68 |
| -// Transform children. |
69 |
| -function nodes(children, config) { |
70 |
| - var index = -1 |
71 |
| - var result = [] |
72 |
| - |
73 |
| - while (++index < children.length) { |
74 |
| - result[index] = transform(children[index], config) |
75 |
| - } |
76 |
| - |
77 |
| - return result |
78 |
| -} |
79 |
| - |
80 |
| -// Transform a document. |
81 |
| -// Stores `ast.quirksMode` in `node.data.quirksMode`. |
82 |
| -function root(ast, children, config) { |
83 |
| - var result = { |
84 |
| - type: 'root', |
85 |
| - children, |
86 |
| - data: {quirksMode: ast.mode === 'quirks' || ast.mode === 'limited-quirks'} |
87 |
| - } |
88 |
| - var doc |
89 |
| - var location |
90 |
| - |
91 |
| - if (config.file && config.location) { |
92 |
| - doc = String(config.file) |
93 |
| - location = vfileLocation(doc) |
94 |
| - result.position = { |
95 |
| - start: location.toPoint(0), |
96 |
| - end: location.toPoint(doc.length) |
97 |
| - } |
98 |
| - } |
99 |
| - |
100 |
| - return result |
101 |
| -} |
102 |
| - |
103 |
| -// Transform a doctype. |
104 |
| -function doctype(ast) { |
105 |
| - return { |
106 |
| - type: 'doctype', |
107 |
| - name: ast.name || '', |
108 |
| - public: ast.publicId || null, |
109 |
| - system: ast.systemId || null |
110 |
| - } |
111 |
| -} |
112 |
| - |
113 |
| -// Transform a text. |
114 |
| -function text(ast) { |
115 |
| - return {type: 'text', value: ast.value} |
116 |
| -} |
117 |
| - |
118 |
| -// Transform a comment. |
119 |
| -function comment(ast) { |
120 |
| - return {type: 'comment', value: ast.data} |
121 |
| -} |
122 |
| - |
123 |
| -// Transform an element. |
124 |
| -function element(ast, children, config) { |
125 |
| - var fn = config.schema.space === 'svg' ? s : h |
126 |
| - var props = {} |
127 |
| - var index = -1 |
128 |
| - var result |
129 |
| - var attribute |
130 |
| - var pos |
131 |
| - var start |
132 |
| - var end |
133 |
| - |
134 |
| - while (++index < ast.attrs.length) { |
135 |
| - attribute = ast.attrs[index] |
136 |
| - props[(attribute.prefix ? attribute.prefix + ':' : '') + attribute.name] = |
137 |
| - attribute.value |
138 |
| - } |
139 |
| - |
140 |
| - result = fn(ast.tagName, props, children) |
141 |
| - |
142 |
| - if (result.tagName === 'template' && 'content' in ast) { |
143 |
| - pos = ast.sourceCodeLocation |
144 |
| - start = pos && pos.startTag && position(pos.startTag).end |
145 |
| - end = pos && pos.endTag && position(pos.endTag).start |
146 |
| - |
147 |
| - result.content = transform(ast.content, config) |
148 |
| - |
149 |
| - if ((start || end) && config.file) { |
150 |
| - result.content.position = {start, end} |
151 |
| - } |
152 |
| - } |
153 |
| - |
154 |
| - return result |
155 |
| -} |
156 |
| - |
157 |
| -// Create clean positional information. |
158 |
| -function location(node, location, config) { |
159 |
| - var result = position(location) |
160 |
| - var tail |
161 |
| - var key |
162 |
| - var props |
163 |
| - |
164 |
| - if (node.type === 'element') { |
165 |
| - tail = node.children[node.children.length - 1] |
166 |
| - |
167 |
| - // Bug for unclosed with children. |
168 |
| - // See: <https://github.com/inikulin/parse5/issues/109>. |
169 |
| - if (!location.endTag && tail && tail.position && tail.position.end) { |
170 |
| - result.end = Object.assign({}, tail.position.end) |
171 |
| - } |
172 |
| - |
173 |
| - if (config.verbose) { |
174 |
| - props = {} |
175 |
| - |
176 |
| - for (key in location.attrs) { |
177 |
| - if (own.call(location.attrs, key)) { |
178 |
| - props[find(config.schema, key).property] = position( |
179 |
| - location.attrs[key] |
180 |
| - ) |
181 |
| - } |
182 |
| - } |
183 |
| - |
184 |
| - node.data = { |
185 |
| - position: { |
186 |
| - opening: position(location.startTag), |
187 |
| - closing: location.endTag ? position(location.endTag) : null, |
188 |
| - properties: props |
189 |
| - } |
190 |
| - } |
191 |
| - } |
192 |
| - } |
193 |
| - |
194 |
| - return result |
195 |
| -} |
196 |
| - |
197 |
| -function position(loc) { |
198 |
| - var start = point({ |
199 |
| - line: loc.startLine, |
200 |
| - column: loc.startCol, |
201 |
| - offset: loc.startOffset |
202 |
| - }) |
203 |
| - var end = point({ |
204 |
| - line: loc.endLine, |
205 |
| - column: loc.endCol, |
206 |
| - offset: loc.endOffset |
207 |
| - }) |
208 |
| - return start || end ? {start, end} : null |
209 |
| -} |
210 |
| - |
211 |
| -function point(point) { |
212 |
| - return point.line && point.column ? point : null |
213 |
| -} |
| 5 | +export {fromParse5} from './lib/index.js' |
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