claude
54 lines
1.7 KiB
JavaScript
54 lines
1.7 KiB
JavaScript
/**
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* Typst syntax highlighting diagnostics.
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* Paste this entire file into the browser dev tools console
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* while a Typst file is open in the editor.
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*/
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// 1. Find the active CodeMirror editor view
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const view = [...document.querySelectorAll('.cm-editor')]
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.map(el => el.cmView?.view)
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.find(Boolean)
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if (!view) {
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console.error('No CodeMirror view found — make sure a file is open in the editor')
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} else {
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// 2. Show the language currently active
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const lang = view.state.facet(
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window.CM?.language?.language ?? view.state.facet.constructor
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)
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console.log('Language:', view.state.languageDataAt('commentTokens', 0))
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// 3. Print the top of the parse tree (first 800 chars)
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const tree = view.state.tree
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console.log('Parse tree (top):\n' + tree.toString().slice(0, 800))
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// 4. Walk the first 20 leaf nodes and show their type + text
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console.log('\nFirst 20 leaf nodes:')
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let count = 0
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tree.iterate({
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enter(node) {
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if (node.firstChild) return // skip non-leaf
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if (count++ >= 20) return false
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const text = view.state.doc.sliceString(node.from, node.to)
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console.log(` [${node.name}] ${JSON.stringify(text.slice(0, 40))}`)
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}
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})
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// 5. Check whether the Typst heading tokens exist at line 15-ish
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const doc = view.state.doc
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for (let ln = 1; ln <= Math.min(doc.lines, 20); ln++) {
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const line = doc.line(ln)
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if (line.text.trimStart().startsWith('=')) {
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console.log(`\nLine ${ln} starts with '=': "${line.text}"`)
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tree.iterate({
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from: line.from,
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to: line.to,
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enter(node) {
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const t = doc.sliceString(node.from, node.to)
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console.log(` node: ${node.name} text: ${JSON.stringify(t.slice(0, 60))}`)
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}
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})
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}
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}
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}
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