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Refactor to move implementation to lib/ 
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3 files changed

+128
-123
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3 files changed

+128
-123
lines changed

‎index.js

Lines changed: 4 additions & 123 deletions
Original file line numberDiff line numberDiff line change
@@ -1,123 +1,4 @@
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/**
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* @typedef {Extract<import('mdast').Root|import('mdast').Content, import('unist').Parent>} Parent
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* @typedef {import('mdast').ListItem} ListItem
4-
* @typedef {import('mdast').Paragraph} Paragraph
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* @typedef {import('mdast').BlockContent} BlockContent
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* @typedef {import('mdast-util-from-markdown').CompileContext} CompileContext
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* @typedef {import('mdast-util-from-markdown').Extension} FromMarkdownExtension
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* @typedef {import('mdast-util-from-markdown').Handle} FromMarkdownHandle
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* @typedef {import('mdast-util-to-markdown').Options} ToMarkdownExtension
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* @typedef {import('mdast-util-to-markdown').Handle} ToMarkdownHandle
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*/
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import {listItem} from 'mdast-util-to-markdown/lib/handle/list-item.js'
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import {track} from 'mdast-util-to-markdown/lib/util/track.js'
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/** @type {FromMarkdownExtension} */
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export const gfmTaskListItemFromMarkdown = {
18-
exit: {
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taskListCheckValueChecked: exitCheck,
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taskListCheckValueUnchecked: exitCheck,
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paragraph: exitParagraphWithTaskListItem
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}
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}
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/** @type {ToMarkdownExtension} */
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export const gfmTaskListItemToMarkdown = {
27-
unsafe: [{atBreak: true, character: '-', after: '[:|-]'}],
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handlers: {listItem: listItemWithTaskListItem}
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}
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/**
32-
* @this {CompileContext}
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* @type {FromMarkdownHandle}
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*/
35-
function exitCheck(token) {
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const node = /** @type {ListItem} */ (this.stack[this.stack.length - 2])
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// We’re always in a paragraph, in a list item.
38-
node.checked = token.type === 'taskListCheckValueChecked'
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}
40-
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/**
42-
* @this {CompileContext}
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* @type {FromMarkdownHandle}
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*/
45-
function exitParagraphWithTaskListItem(token) {
46-
const parent = /** @type {Parent} */ (this.stack[this.stack.length - 2])
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const node = /** @type {Paragraph} */ (this.stack[this.stack.length - 1])
48-
const siblings = parent.children
49-
const head = node.children[0]
50-
let index = -1
51-
/** @type {Paragraph|undefined} */
52-
let firstParaghraph
53-
54-
if (
55-
parent &&
56-
parent.type === 'listItem' &&
57-
typeof parent.checked === 'boolean' &&
58-
head &&
59-
head.type === 'text'
60-
) {
61-
while (++index < siblings.length) {
62-
const sibling = siblings[index]
63-
if (sibling.type === 'paragraph') {
64-
firstParaghraph = sibling
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break
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}
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}
68-
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if (firstParaghraph === node) {
70-
// Must start with a space or a tab.
71-
head.value = head.value.slice(1)
72-
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if (head.value.length === 0) {
74-
node.children.shift()
75-
} else if (
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node.position &&
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head.position &&
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typeof head.position.start.offset === 'number'
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) {
80-
head.position.start.column++
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head.position.start.offset++
82-
node.position.start = Object.assign({}, head.position.start)
83-
}
84-
}
85-
}
86-
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this.exit(token)
88-
}
89-
90-
/**
91-
* @type {ToMarkdownHandle}
92-
* @param {ListItem} node
93-
*/
94-
function listItemWithTaskListItem(node, parent, context, safeOptions) {
95-
const head = node.children[0]
96-
const checkable =
97-
typeof node.checked === 'boolean' && head && head.type === 'paragraph'
98-
const checkbox = '[' + (node.checked ? 'x' : ' ') + '] '
99-
const tracker = track(safeOptions)
100-
101-
if (checkable) {
102-
tracker.move(checkbox)
103-
}
104-
105-
let value = listItem(node, parent, context, {
106-
...safeOptions,
107-
...tracker.current()
108-
})
109-
110-
if (checkable) {
111-
value = value.replace(/^(?:[*+-]|\d+\.)([\r\n]| {1,3})/, check)
112-
}
113-
114-
return value
115-
116-
/**
117-
* @param {string} $0
118-
* @returns {string}
119-
*/
120-
function check($0) {
121-
return $0 + checkbox
122-
}
123-
}
1+
export {
2+
gfmTaskListItemFromMarkdown,
3+
gfmTaskListItemToMarkdown
4+
} from './lib/index.js'

‎lib/index.js

Lines changed: 123 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,123 @@
1+
/**
2+
* @typedef {Extract<import('mdast').Root|import('mdast').Content, import('unist').Parent>} Parent
3+
* @typedef {import('mdast').ListItem} ListItem
4+
* @typedef {import('mdast').Paragraph} Paragraph
5+
* @typedef {import('mdast').BlockContent} BlockContent
6+
* @typedef {import('mdast-util-from-markdown').CompileContext} CompileContext
7+
* @typedef {import('mdast-util-from-markdown').Extension} FromMarkdownExtension
8+
* @typedef {import('mdast-util-from-markdown').Handle} FromMarkdownHandle
9+
* @typedef {import('mdast-util-to-markdown').Options} ToMarkdownExtension
10+
* @typedef {import('mdast-util-to-markdown').Handle} ToMarkdownHandle
11+
*/
12+
13+
import {listItem} from 'mdast-util-to-markdown/lib/handle/list-item.js'
14+
import {track} from 'mdast-util-to-markdown/lib/util/track.js'
15+
16+
/** @type {FromMarkdownExtension} */
17+
export const gfmTaskListItemFromMarkdown = {
18+
exit: {
19+
taskListCheckValueChecked: exitCheck,
20+
taskListCheckValueUnchecked: exitCheck,
21+
paragraph: exitParagraphWithTaskListItem
22+
}
23+
}
24+
25+
/** @type {ToMarkdownExtension} */
26+
export const gfmTaskListItemToMarkdown = {
27+
unsafe: [{atBreak: true, character: '-', after: '[:|-]'}],
28+
handlers: {listItem: listItemWithTaskListItem}
29+
}
30+
31+
/**
32+
* @this {CompileContext}
33+
* @type {FromMarkdownHandle}
34+
*/
35+
function exitCheck(token) {
36+
const node = /** @type {ListItem} */ (this.stack[this.stack.length - 2])
37+
// We’re always in a paragraph, in a list item.
38+
node.checked = token.type === 'taskListCheckValueChecked'
39+
}
40+
41+
/**
42+
* @this {CompileContext}
43+
* @type {FromMarkdownHandle}
44+
*/
45+
function exitParagraphWithTaskListItem(token) {
46+
const parent = /** @type {Parent} */ (this.stack[this.stack.length - 2])
47+
const node = /** @type {Paragraph} */ (this.stack[this.stack.length - 1])
48+
const siblings = parent.children
49+
const head = node.children[0]
50+
let index = -1
51+
/** @type {Paragraph|undefined} */
52+
let firstParaghraph
53+
54+
if (
55+
parent &&
56+
parent.type === 'listItem' &&
57+
typeof parent.checked === 'boolean' &&
58+
head &&
59+
head.type === 'text'
60+
) {
61+
while (++index < siblings.length) {
62+
const sibling = siblings[index]
63+
if (sibling.type === 'paragraph') {
64+
firstParaghraph = sibling
65+
break
66+
}
67+
}
68+
69+
if (firstParaghraph === node) {
70+
// Must start with a space or a tab.
71+
head.value = head.value.slice(1)
72+
73+
if (head.value.length === 0) {
74+
node.children.shift()
75+
} else if (
76+
node.position &&
77+
head.position &&
78+
typeof head.position.start.offset === 'number'
79+
) {
80+
head.position.start.column++
81+
head.position.start.offset++
82+
node.position.start = Object.assign({}, head.position.start)
83+
}
84+
}
85+
}
86+
87+
this.exit(token)
88+
}
89+
90+
/**
91+
* @type {ToMarkdownHandle}
92+
* @param {ListItem} node
93+
*/
94+
function listItemWithTaskListItem(node, parent, context, safeOptions) {
95+
const head = node.children[0]
96+
const checkable =
97+
typeof node.checked === 'boolean' && head && head.type === 'paragraph'
98+
const checkbox = '[' + (node.checked ? 'x' : ' ') + '] '
99+
const tracker = track(safeOptions)
100+
101+
if (checkable) {
102+
tracker.move(checkbox)
103+
}
104+
105+
let value = listItem(node, parent, context, {
106+
...safeOptions,
107+
...tracker.current()
108+
})
109+
110+
if (checkable) {
111+
value = value.replace(/^(?:[*+-]|\d+\.)([\r\n]| {1,3})/, check)
112+
}
113+
114+
return value
115+
116+
/**
117+
* @param {string} $0
118+
* @returns {string}
119+
*/
120+
function check($0) {
121+
return $0 + checkbox
122+
}
123+
}

‎package.json

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -34,6 +34,7 @@
3434
"main": "index.js",
3535
"types": "index.d.ts",
3636
"files": [
37+
"lib/",
3738
"index.d.ts",
3839
"index.js"
3940
],

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