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* Trigger is "space" * "*" -> ul>li * "1" and "1." -> ol>li * "##" -> h2 * "###" -> h3 fixes #87
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,92 @@ | ||
import Keycodes from '../utils/keycodes'; | ||
import Key from '../utils/key'; | ||
import { detect } from '../utils/array-utils'; | ||
import { MARKUP_SECTION_TYPE } from '../models/markup-section'; | ||
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const { SPACE } = Keycodes; | ||
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function replaceWithListSection(editor, listTagName) { | ||
const {head: {section}} = editor.cursor.offsets; | ||
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const newSection = editor.run(postEditor => { | ||
const {builder} = postEditor; | ||
const listItem = builder.createListItem(); | ||
const listSection = builder.createListSection(listTagName, [listItem]); | ||
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postEditor.replaceSection(section, listSection); | ||
return listItem; | ||
}); | ||
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editor.cursor.moveToSection(newSection); | ||
} | ||
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function replaceWithHeaderSection(editor, headingTagName) { | ||
const {head: {section}} = editor.cursor.offsets; | ||
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const newSection = editor.run(postEditor => { | ||
const {builder} = postEditor; | ||
const newSection = builder.createMarkupSection(headingTagName); | ||
postEditor.replaceSection(section, newSection); | ||
return newSection; | ||
}); | ||
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editor.cursor.moveToSection(newSection); | ||
} | ||
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export function validateExpansion(expansion) { | ||
return !!expansion.trigger && !!expansion.text && !!expansion.run; | ||
} | ||
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export const DEFAULT_TEXT_EXPANSIONS = [ | ||
{ | ||
trigger: SPACE, | ||
text: '*', | ||
run: (editor) => { | ||
replaceWithListSection(editor, 'ul'); | ||
} | ||
}, | ||
{ | ||
trigger: SPACE, | ||
text: '1', | ||
run: (editor) => { | ||
replaceWithListSection(editor, 'ol'); | ||
} | ||
}, | ||
{ | ||
trigger: SPACE, | ||
text: '1.', | ||
run: (editor) => { | ||
replaceWithListSection(editor, 'ol'); | ||
} | ||
}, | ||
{ | ||
trigger: SPACE, | ||
text: '##', | ||
run: (editor) => { | ||
replaceWithHeaderSection(editor, 'h2'); | ||
} | ||
}, | ||
{ | ||
trigger: SPACE, | ||
text: '###', | ||
run: (editor) => { | ||
replaceWithHeaderSection(editor, 'h3'); | ||
} | ||
} | ||
]; | ||
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export function findExpansion(expansions, keyEvent, editor) { | ||
const key = Key.fromEvent(keyEvent); | ||
if (!key.isPrintable()) { return; } | ||
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const {head:{section, offset}} = editor.cursor.offsets; | ||
if (section.type !== MARKUP_SECTION_TYPE) { return; } | ||
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// FIXME this is potentially expensive to calculate and might be better | ||
// perf to first find expansions matching the trigger and only if matches | ||
// are found then calculating the _text | ||
const _text = section.textUntil(offset); | ||
return detect( | ||
expansions, | ||
({trigger, text}) => key.keyCode === trigger && _text === text); | ||
} |
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