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| 1 | +import { readFile, rm } from "node:fs/promises" |
| 2 | +import { basename, dirname, join } from "node:path" |
| 3 | +import { fileURLToPath } from "node:url" |
| 4 | +import type { PluginInput } from "@opencode-ai/plugin" |
| 5 | + |
| 6 | +type PackageJson = { |
| 7 | + name?: string |
| 8 | + version?: string |
| 9 | + dependencies?: Record<string, string> |
| 10 | +} |
| 11 | + |
| 12 | +type UpdateResult = |
| 13 | + | { updated: true; name: string; current: string; latest: string } |
| 14 | + | { updated: false; error: "remove_failed"; name: string; current: string; latest: string } |
| 15 | + | { updated: false } |
| 16 | + |
| 17 | +const PACKAGE_NAME = "@tarquinen/opencode-dcp" |
| 18 | + |
| 19 | +export function startAutoUpdate(ctx: PluginInput, enabled: boolean): void { |
| 20 | + if (!enabled) return |
| 21 | + |
| 22 | + const controller = new AbortController() |
| 23 | + const timeout = setTimeout(() => controller.abort(), 10_000) |
| 24 | + void checkAutoUpdate(controller.signal) |
| 25 | + .then((result) => { |
| 26 | + if (!result.updated) return |
| 27 | + setTimeout(() => { |
| 28 | + ctx.client.tui.showToast({ |
| 29 | + body: { |
| 30 | + title: "DCP update ready", |
| 31 | + message: `Updated ${result.name} from ${result.current} to ${result.latest}. Restart OpenCode to finish.`, |
| 32 | + variant: "info", |
| 33 | + duration: 7000, |
| 34 | + }, |
| 35 | + }) |
| 36 | + }, 5000) |
| 37 | + }) |
| 38 | + .catch(() => {}) |
| 39 | + .finally(() => clearTimeout(timeout)) |
| 40 | +} |
| 41 | + |
| 42 | +export async function checkAutoUpdate(signal: AbortSignal): Promise<UpdateResult> { |
| 43 | + const packageDir = await findPackageDir(PACKAGE_NAME) |
| 44 | + if (!packageDir) return { updated: false } |
| 45 | + |
| 46 | + const pkg = await readPackageJson(join(packageDir, "package.json")) |
| 47 | + if (!pkg?.name || !pkg.version) return { updated: false } |
| 48 | + |
| 49 | + const latest = await fetchLatestVersion(pkg.name, signal) |
| 50 | + if (!latest || !isVersionNewer(latest, pkg.version)) return { updated: false } |
| 51 | + |
| 52 | + const removeDir = await updateRemoveDir(packageDir, pkg.name) |
| 53 | + if (!removeDir) return { updated: false } |
| 54 | + |
| 55 | + try { |
| 56 | + await rm(removeDir, { recursive: true, force: true }) |
| 57 | + } catch { |
| 58 | + return { |
| 59 | + updated: false, |
| 60 | + error: "remove_failed", |
| 61 | + name: pkg.name, |
| 62 | + current: pkg.version, |
| 63 | + latest, |
| 64 | + } |
| 65 | + } |
| 66 | + |
| 67 | + return { updated: true, name: pkg.name, current: pkg.version, latest } |
| 68 | +} |
| 69 | + |
| 70 | +async function findPackageDir(name: string) { |
| 71 | + let dir = dirname(fileURLToPath(import.meta.url)) |
| 72 | + for (;;) { |
| 73 | + const pkg = await readPackageJson(join(dir, "package.json")) |
| 74 | + if (pkg?.name === name) return dir |
| 75 | + |
| 76 | + const parent = dirname(dir) |
| 77 | + if (parent === dir) return undefined |
| 78 | + dir = parent |
| 79 | + } |
| 80 | +} |
| 81 | + |
| 82 | +export async function updateRemoveDir(packageDir: string, name: string) { |
| 83 | + const packageParent = dirname(packageDir) |
| 84 | + const nodeModulesDir = basename(packageParent).startsWith("@") |
| 85 | + ? dirname(packageParent) |
| 86 | + : packageParent |
| 87 | + if (basename(nodeModulesDir) !== "node_modules") return undefined |
| 88 | + |
| 89 | + const wrapperDir = dirname(nodeModulesDir) |
| 90 | + const wrapperPkg = await readPackageJson(join(wrapperDir, "package.json")) |
| 91 | + const spec = wrapperPkg?.dependencies?.[name] |
| 92 | + if (!spec || !isAutoUpdatableSpec(spec)) return undefined |
| 93 | + |
| 94 | + return wrapperDir |
| 95 | +} |
| 96 | + |
| 97 | +export function isAutoUpdatableSpec(spec: string) { |
| 98 | + const value = spec.trim() |
| 99 | + if (!value) return false |
| 100 | + if (value === "latest" || value === "*") return true |
| 101 | + if (/^[~^]/.test(value)) return true |
| 102 | + if (/^(?:>=|>|<=|<)/.test(value)) return true |
| 103 | + if (/\s+(?:\|\||-|[<>=])\s+/.test(value)) return true |
| 104 | + return false |
| 105 | +} |
| 106 | + |
| 107 | +async function readPackageJson(path: string): Promise<PackageJson | undefined> { |
| 108 | + try { |
| 109 | + const data = JSON.parse(await readFile(path, "utf-8")) |
| 110 | + return data && typeof data === "object" ? (data as PackageJson) : undefined |
| 111 | + } catch { |
| 112 | + return undefined |
| 113 | + } |
| 114 | +} |
| 115 | + |
| 116 | +async function fetchLatestVersion(name: string, signal: AbortSignal) { |
| 117 | + try { |
| 118 | + const response = await fetch( |
| 119 | + `https://registry.npmjs.org/${encodeURIComponent(name)}/latest`, |
| 120 | + { |
| 121 | + signal, |
| 122 | + }, |
| 123 | + ) |
| 124 | + if (!response.ok) return undefined |
| 125 | + const data: unknown = await response.json() |
| 126 | + if (!data || typeof data !== "object") return undefined |
| 127 | + const version = (data as { version?: unknown }).version |
| 128 | + return typeof version === "string" ? version : undefined |
| 129 | + } catch { |
| 130 | + return undefined |
| 131 | + } |
| 132 | +} |
| 133 | + |
| 134 | +export function isVersionNewer(latest: string, current: string) { |
| 135 | + const next = parseVersion(latest) |
| 136 | + const prev = parseVersion(current) |
| 137 | + if (!next || !prev) return false |
| 138 | + |
| 139 | + for (let i = 0; i < 3; i++) { |
| 140 | + if (next.parts[i] !== prev.parts[i]) return next.parts[i] > prev.parts[i] |
| 141 | + } |
| 142 | + |
| 143 | + if (!next.pre.length && prev.pre.length) return true |
| 144 | + if (next.pre.length && !prev.pre.length) return false |
| 145 | + |
| 146 | + for (let i = 0; i < Math.max(next.pre.length, prev.pre.length); i++) { |
| 147 | + const a = next.pre[i] |
| 148 | + const b = prev.pre[i] |
| 149 | + if (a === undefined) return false |
| 150 | + if (b === undefined) return true |
| 151 | + if (a === b) continue |
| 152 | + |
| 153 | + const aNumber = /^\d+$/.test(a) ? Number(a) : undefined |
| 154 | + const bNumber = /^\d+$/.test(b) ? Number(b) : undefined |
| 155 | + if (aNumber !== undefined && bNumber !== undefined) return aNumber > bNumber |
| 156 | + if (aNumber !== undefined) return false |
| 157 | + if (bNumber !== undefined) return true |
| 158 | + return a > b |
| 159 | + } |
| 160 | + |
| 161 | + return false |
| 162 | +} |
| 163 | + |
| 164 | +function parseVersion(version: string) { |
| 165 | + const match = version.match(/^v?(\d+)\.(\d+)\.(\d+)(?:-([0-9A-Za-z.-]+))?(?:\+.+)?$/) |
| 166 | + if (!match) return undefined |
| 167 | + return { |
| 168 | + parts: [Number(match[1]), Number(match[2]), Number(match[3])], |
| 169 | + pre: match[4]?.split(".") ?? [], |
| 170 | + } |
| 171 | +} |
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