103 lines
2.6 KiB
TypeScript
103 lines
2.6 KiB
TypeScript
import { Extension } from "@codemirror/state"
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import { hoverTooltip } from "@codemirror/tooltip"
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import {
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Decoration,
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EditorView,
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MatchDecorator,
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PluginField,
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ViewPlugin,
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ViewUpdate,
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WidgetType,
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} from "@codemirror/view"
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import { useReadonlyStream } from "~/helpers/utils/composables"
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import { aggregateEnvs$ } from "~/newstore/environments"
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const cursorTooltipField = hoverTooltip((view, pos, side) => {
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const { from, to, text } = view.state.doc.lineAt(pos)
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let start = pos
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let end = pos
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while (start > from && /\w/.test(text[start - from - 1])) start--
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while (end < to && /\w/.test(text[end - from])) end++
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if (
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(start === pos && side < 0) ||
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(end === pos && side > 0) ||
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!/(<<\w+>>)/g.test(text.slice(start - from - 2, end - from + 2))
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)
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return null
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const aggregateEnvs = useReadonlyStream(aggregateEnvs$, null)
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const envName = getEnvName(
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aggregateEnvs.value?.find(
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(env: { key: string }) => env.key === text.slice(start - from, end - from)
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)?.sourceEnv
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)
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const envValue = getEnvValue(
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aggregateEnvs.value?.find(
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(env: { key: string }) => env.key === text.slice(start - from, end - from)
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)?.value
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)
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const textContent = `${envName} <kbd>${envValue}</kbd>`
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return {
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pos: start,
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end,
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above: true,
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create() {
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const dom = document.createElement("span")
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dom.innerHTML = textContent
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dom.className = "tooltip-theme"
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return { dom }
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},
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}
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})
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function getEnvName(name: any) {
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if (name) return name
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return "choose an environment"
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}
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function getEnvValue(value: string) {
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if (value) return value.replace(/"/g, """)
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// it does not filter special characters before adding them to HTML.
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return "not found"
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}
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const environmentDecorator = new MatchDecorator({
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// eslint-disable-next-line prefer-regex-literals
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regexp: new RegExp(/(<<\w+>>)/g),
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decoration: () =>
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Decoration.replace({
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widget: new (class extends WidgetType {
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toDOM(_view: EditorView) {
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const element = document.createElement("span")
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element.textContent = "view"
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return element
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}
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})(),
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inclusive: false,
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}),
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})
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export const environmentHighlightStyle = ViewPlugin.define(
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(view: EditorView) => ({
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decorations: environmentDecorator.createDeco(view),
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update(_update: ViewUpdate) {
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this.decorations = environmentDecorator.updateDeco(
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_update,
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this.decorations
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)
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},
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}),
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{
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decorations: (v) => v.decorations,
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provide: PluginField.atomicRanges.from((v) => v.decorations),
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}
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)
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export const environmentTooltip: Extension = [
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cursorTooltipField,
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environmentHighlightStyle,
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]
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