overleaf/services/web/frontend/js/features/source-editor/extensions/annotations.ts
Alf Eaton 3f29aa2195 Ensure that each editor theme is only created once (#17095)
GitOrigin-RevId: 3551e02fab44fae7fcab5cb12886d45969e3990f
2024-02-16 09:05:03 +00:00

186 lines
4.5 KiB
TypeScript

import { EditorView, ViewUpdate } from '@codemirror/view'
import { Diagnostic, linter, lintGutter } from '@codemirror/lint'
import {
Compartment,
Extension,
RangeSet,
RangeValue,
StateEffect,
StateField,
Text,
} from '@codemirror/state'
import { Annotation } from '../../../../../types/annotation'
import { debugConsole } from '@/utils/debugging'
import { sendMB } from '@/infrastructure/event-tracking'
const compileLintSourceConf = new Compartment()
export const annotations = () => [
compileDiagnosticsState,
compileLintSourceConf.of(compileLogLintSource()),
/**
* The built-in lint gutter extension, configured with zero hover delay.
*/
lintGutter({
hoverTime: 0,
}),
annotationsTheme,
]
/**
* A theme which moves the lint gutter outside the line numbers.
*/
const annotationsTheme = EditorView.baseTheme({
'.cm-gutter-lint': {
order: -1,
},
})
export const lintSourceConfig = {
delay: 100,
// Show highlights only for errors
markerFilter(diagnostics: readonly Diagnostic[]) {
return diagnostics.filter(d => d.severity === 'error')
},
// Do not show any tooltips for highlights within the editor content
tooltipFilter() {
return []
},
needsRefresh(update: ViewUpdate) {
return update.selectionSet
},
}
/**
* A lint source using the compile log diagnostics
*/
const compileLogLintSource = (): Extension =>
linter(view => {
const items: Diagnostic[] = []
const cursor = view.state.field(compileDiagnosticsState).iter()
while (cursor.value !== null) {
const { diagnostic } = cursor.value
items.push({
...diagnostic,
from: cursor.from,
to: cursor.to,
renderMessage: () => renderMessage(diagnostic),
})
cursor.next()
}
return items
}, lintSourceConfig)
interface CompileLogDiagnostic extends Diagnostic {
compile?: true
ruleId?: string
}
class CompileLogDiagnosticRangeValue extends RangeValue {
constructor(public diagnostic: CompileLogDiagnostic) {
super()
}
}
const setCompileDiagnosticsEffect = StateEffect.define<CompileLogDiagnostic[]>()
/**
* A state field for the compile log diagnostics
*/
export const compileDiagnosticsState = StateField.define<
RangeSet<CompileLogDiagnosticRangeValue>
>({
create() {
return RangeSet.empty
},
update(value, transaction) {
for (const effect of transaction.effects) {
if (effect.is(setCompileDiagnosticsEffect)) {
return RangeSet.of(
effect.value.map(diagnostic =>
new CompileLogDiagnosticRangeValue(diagnostic).range(
diagnostic.from,
diagnostic.to
)
),
true
)
}
}
if (transaction.docChanged) {
value = value.map(transaction.changes)
}
return value
},
})
export const setAnnotations = (doc: Text, annotations: Annotation[]) => {
const diagnostics: Diagnostic[] = []
for (const annotation of annotations) {
// ignore "whole document" (row: -1) annotations
if (annotation.row !== -1) {
try {
diagnostics.push(convertAnnotationToDiagnostic(doc, annotation))
} catch (error) {
// ignore invalid annotations
debugConsole.debug('invalid annotation position', error)
}
}
}
return {
effects: setCompileDiagnosticsEffect.of(diagnostics),
}
}
export const showCompileLogDiagnostics = (show: boolean) => {
return {
effects: [
// reconfigure the compile log lint source
compileLintSourceConf.reconfigure(show ? compileLogLintSource() : []),
],
}
}
const convertAnnotationToDiagnostic = (
doc: Text,
annotation: Annotation
): CompileLogDiagnostic => {
if (annotation.row < 0) {
throw new Error(`Invalid annotation row ${annotation.row}`)
}
const line = doc.line(annotation.row + 1)
return {
from: line.from,
to: line.to, // NOTE: highlight whole line as synctex doesn't output column number
severity: annotation.type,
message: annotation.text,
ruleId: annotation.ruleId,
compile: true,
}
}
export const renderMessage = (
diagnostic: Pick<
CompileLogDiagnostic,
'message' | 'severity' | 'ruleId' | 'compile'
>
) => {
const { message, severity, ruleId, compile = false } = diagnostic
const div = document.createElement('div')
div.textContent = message
window.setTimeout(() => {
if (div.isConnected) {
sendMB('lint-gutter-marker-view', { severity, ruleId, compile })
}
}, 500) // 500ms delay to indicate intention, rather than accidental hover
return div
}