| 1 | import type { LoadedSlidevData } from '@slidev/parser/fs' |
| 2 | import type { ComputedRef, EffectScope, Ref, ShallowRef } from 'reactive-vscode' |
| 3 | import type { SlidevServer } from './composables/useDevServer' |
| 4 | import type { DetectedServerState } from './composables/useServerDetector' |
| 5 | import { existsSync } from 'node:fs' |
| 6 | import { debounce, slash } from '@antfu/utils' |
| 7 | import { load } from '@slidev/parser/fs' |
| 8 | import { basename, dirname } from 'pathe' |
| 9 | import { isMatch } from 'picomatch' |
| 10 | import { computed, effectScope, extensionContext, markRaw, onScopeDispose, ref, shallowReactive, shallowRef, useDisposable, useFileSystemWatcher, useVscodeContext, watch, watchEffect } from 'reactive-vscode' |
| 11 | import { FileSystemError, Uri, window, workspace } from 'vscode' |
| 12 | import { useServerDetector } from './composables/useServerDetector' |
| 13 | import { config } from './configs' |
| 14 | import { findShallowestPath } from './utils/findShallowestPath' |
| 15 | import { logger } from './views/logger' |
| 16 | |
| 17 | export interface SlidevProject { |
| 18 | readonly scope: EffectScope |
| 19 | readonly entry: string |
| 20 | readonly userRoot: string |
| 21 | readonly data: LoadedSlidevData |
| 22 | readonly port: Ref<number | null> |
| 23 | readonly server: ShallowRef<SlidevServer | null> |
| 24 | readonly detected: ComputedRef<DetectedServerState | null> |
| 25 | } |
| 26 | |
| 27 | export const projects = shallowReactive(new Map<string, SlidevProject>()) |
| 28 | export const slidevFiles = computed(() => [...projects.values()].flatMap(p => Object.keys(p.data.markdownFiles))) |
| 29 | export const activeEntry = ref<string | null>(null) |
| 30 | export const activeProject = computed(() => activeEntry.value ? projects.get(activeEntry.value) : undefined) |
| 31 | export const activeData = computed(() => activeProject.value?.data) |
| 32 | |
| 33 | export function useProjects() { |
| 34 | useFileSystemWatcher(() => config.include, { |
| 35 | async onDidCreate(uri) { |
| 36 | const path = slash(uri.fsPath) |
| 37 | if (!isMatch(path, config.exclude)) |
| 38 | await addProject(path) |
| 39 | }, |
| 40 | onDidChange: false, |
| 41 | async onDidDelete(uri) { |
| 42 | removeProject(slash(uri.fsPath)) |
| 43 | }, |
| 44 | }) |
| 45 | |
| 46 | rescanProjects() |
| 47 | watch(() => [config.include, config.exclude], debounce(200, rescanProjects)) |
| 48 | |
| 49 | // In case all the projects are removed manually, and the user may not want to disable the extension. |
| 50 | const everHadProjects = ref(false) |
| 51 | watchEffect(() => { |
| 52 | if (projects.size > 0) |
| 53 | everHadProjects.value = true |
| 54 | }) |
| 55 | |
| 56 | // Save active project to workspace state |
| 57 | watchEffect(() => { |
| 58 | if (activeEntry.value) |
| 59 | extensionContext.value!.workspaceState.update('slidev:activeProject', activeEntry.value) |
| 60 | }) |
| 61 | |
| 62 | // Auto set active project |
| 63 | watch(() => [...projects.keys(), activeEntry.value], () => { |
| 64 | if (!activeEntry.value) { |
| 65 | const previous = extensionContext.value!.workspaceState.get('slidev:activeProject', null) |
| 66 | if (previous && projects.has(previous)) { |
| 67 | activeEntry.value = previous |
| 68 | return |
| 69 | } |
| 70 | const firstKind = findShallowestPath( |
| 71 | [...projects.keys()].filter(path => basename(path) === 'slides.md'), |
| 72 | ) |
| 73 | if (firstKind) { |
| 74 | activeEntry.value = firstKind |
| 75 | return |
| 76 | } |
| 77 | const secondKind = findShallowestPath(projects.keys()) |
| 78 | if (secondKind) { |
| 79 | activeEntry.value = secondKind |
| 80 | } |
| 81 | } |
| 82 | }, { immediate: true }) |
| 83 | |
| 84 | useVscodeContext('slidev:enabled', () => { |
| 85 | const forceEnabled = config['force-enabled'] |
| 86 | const enabled = forceEnabled ?? everHadProjects.value |
| 87 | logger.info(`Slidev ${enabled ? 'enabled' : 'disabled'}.`) |
| 88 | return enabled |
| 89 | }) |
| 90 | useVscodeContext('slidev:hasActiveProject', () => !!activeEntry.value) |
| 91 | |
| 92 | onScopeDispose(() => { |
| 93 | for (const project of projects.values()) { |
| 94 | project.scope.stop() |
| 95 | } |
| 96 | projects.clear() |
| 97 | }) |
| 98 | } |
| 99 | |
| 100 | let scanningProjects = false |
| 101 | export const scannedProjects = ref(false) |
| 102 | export async function rescanProjects() { |
| 103 | if (scanningProjects) |
| 104 | return |
| 105 | scanningProjects = true |
| 106 | try { |
| 107 | const entries = new Set<string>() |
| 108 | for (const glob of config.include) { |
| 109 | (await workspace.findFiles(glob, config.exclude)) |
| 110 | .forEach(file => entries.add(file.fsPath)) |
| 111 | } |
| 112 | for (const entry of entries) { |
| 113 | await addProject(slash(entry)) |
| 114 | } |
| 115 | for (const project of projects.values()) { |
| 116 | if (!existsSync(project.entry)) { |
| 117 | removeProject(project.entry) |
| 118 | } |
| 119 | } |
| 120 | } |
| 121 | finally { |
| 122 | scanningProjects = false |
| 123 | scannedProjects.value = true |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | export async function addProject(entry: string) { |
| 128 | if (projects.has(entry)) |
| 129 | return projects.get(entry)! |
| 130 | |
| 131 | const { getDetected } = useServerDetector() |
| 132 | |
| 133 | const scope = effectScope(true) |
| 134 | const data = shallowRef<LoadedSlidevData>(await loadProject(entry)) |
| 135 | const project: SlidevProject = { |
| 136 | scope, |
| 137 | entry, |
| 138 | userRoot: dirname(entry), |
| 139 | get data() { |
| 140 | return data.value |
| 141 | }, |
| 142 | server: shallowRef(null), |
| 143 | port: ref(null), |
| 144 | detected: computed(() => getDetected(project)), |
| 145 | } |
| 146 | |
| 147 | scope.run(() => { |
| 148 | // Handle changes. VSCode already debounces rapid changes itself. |
| 149 | let pendingReload: Promise<LoadedSlidevData> | null = null |
| 150 | useDisposable(workspace.onDidChangeTextDocument(async ({ document }) => { |
| 151 | const path = slash(document.uri.fsPath) |
| 152 | if (data.value?.watchFiles[path]) { |
| 153 | const thisReload = pendingReload = loadProject(entry) |
| 154 | const newData = await thisReload |
| 155 | if (pendingReload === thisReload) { // still the latest |
| 156 | data.value = newData |
| 157 | pendingReload = null |
| 158 | } |
| 159 | } |
| 160 | })) |
| 161 | |
| 162 | useDisposable(workspace.onDidCloseTextDocument(async (document) => { |
| 163 | const path = slash(document.uri.fsPath) |
| 164 | if (path !== entry) { |
| 165 | return |
| 166 | } |
| 167 | try { |
| 168 | await workspace.fs.stat(document.uri) |
| 169 | } |
| 170 | catch (err) { |
| 171 | if (err instanceof FileSystemError && err.code === 'FileNotFound') { |
| 172 | removeProject(entry) |
| 173 | } |
| 174 | } |
| 175 | })) |
| 176 | |
| 177 | onScopeDispose(() => { |
| 178 | projects.get(entry)?.server.value?.scope.stop() |
| 179 | }) |
| 180 | }) |
| 181 | |
| 182 | projects.set(entry, project) |
| 183 | return project |
| 184 | } |
| 185 | |
| 186 | export function removeProject(entry: string) { |
| 187 | const project = projects.get(entry) |
| 188 | if (!project) |
| 189 | return |
| 190 | if (activeEntry.value === entry) |
| 191 | activeEntry.value = null |
| 192 | project.scope.stop() |
| 193 | projects.delete(entry) |
| 194 | } |
| 195 | |
| 196 | async function loadProject(entry: string) { |
| 197 | const userRoot = dirname(entry) |
| 198 | return markRaw(await load({ userRoot, roots: [userRoot] }, entry, async (path: string) => { |
| 199 | const document = workspace.textDocuments.find(d => slash(d.uri.fsPath) === path) |
| 200 | if (document) { |
| 201 | return document.getText() |
| 202 | } |
| 203 | const buffer = await workspace.fs.readFile(Uri.file(path)) |
| 204 | return (new TextDecoder('utf-8')).decode(buffer) |
| 205 | })) |
| 206 | } |
| 207 | |
| 208 | const ignoredEntries = new Set<string>() |
| 209 | export async function askAddProject(entry: string, message: string) { |
| 210 | if (projects.has(entry) || ignoredEntries.has(entry)) |
| 211 | return |
| 212 | if (!workspace.getWorkspaceFolder(Uri.file(entry))) { |
| 213 | return |
| 214 | } |
| 215 | const result = await window.showInformationMessage(`${message}\nDo you want to add ${entry} as a Slidev project?`, 'Yes', 'No') |
| 216 | if (result === 'Yes') { |
| 217 | await addProject(entry) |
| 218 | } |
| 219 | else { |
| 220 | ignoredEntries.add(entry) |
| 221 | } |
| 222 | } |
| 223 |