Tom Butcher
0b210f50cd
- Introduced a new language support for EJS templates with XML integration, allowing for custom scriptlets and improved syntax highlighting. - Updated CodeBlockEditor and TemplateEditor components to utilize the new fcTemplateLang for EJS language handling. - Modified DocumentTemplate model to reflect the new language type for content. - Added necessary grammar and parser files for fcTemplateLang, enhancing the overall template editing experience.
38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
import { ExternalTokenizer } from '@lezer/lr'
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import { JavascriptExpression, Text } from './ejs.parser.terms.js'
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const percent = 37
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const closeAngle = 62
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const dash = 45
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const underscore = 95
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const openAngle = 60
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export const javascriptExpressionOrText = new ExternalTokenizer(
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(input, stack) => {
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let { next } = input
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const start = input.pos
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while (next !== -1) {
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if (next === openAngle && input.peek(1) === percent) break
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if (
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([dash, underscore].includes(next) &&
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input.peek(1) === percent &&
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input.peek(2) === closeAngle) ||
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(next === percent && input.peek(1) === closeAngle)
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) {
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break
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}
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next = input.advance()
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}
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if (stack.canShift(JavascriptExpression)) {
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// Empty expressions are valid: <% %>
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input.acceptToken(JavascriptExpression)
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} else if (stack.canShift(Text) && input.pos > start) {
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// Never emit empty Text — that loops forever at EOF
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input.acceptToken(Text)
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}
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},
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{ contextual: true }
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)
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