|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "encoding/json" |
| 5 | + "fmt" |
| 6 | + "net/http" |
| 7 | + "os" |
| 8 | + "sort" |
| 9 | + "strings" |
| 10 | + "time" |
| 11 | + |
| 12 | + "github.com/Masterminds/semver/v3" |
| 13 | +) |
| 14 | + |
| 15 | +const ( |
| 16 | + nodeIndexURL = "https://nodejs.org/dist/index.json" |
| 17 | + nodeScheduleURL = "https://raw.githubusercontent.com/nodejs/Release/main/schedule.json" |
| 18 | + pnpmRegistryURL = "https://registry.npmjs.org/pnpm" |
| 19 | + dataPath = "internal/runtime/data/versions.json" |
| 20 | +) |
| 21 | + |
| 22 | +type nodeRelease struct { |
| 23 | + Version string `json:"version"` |
| 24 | +} |
| 25 | +type nodeSchedule struct { |
| 26 | + LTS json.RawMessage `json:"lts"` |
| 27 | +} |
| 28 | +type pnpmMetadata struct { |
| 29 | + Versions map[string]json.RawMessage `json:"versions"` |
| 30 | +} |
| 31 | +type nodeVersion struct { |
| 32 | + Version string `json:"version"` |
| 33 | + LTS bool `json:"lts,omitempty"` |
| 34 | +} |
| 35 | +type runtimeConfig struct { |
| 36 | + Node []nodeVersion `json:"node"` |
| 37 | + Pnpm []string `json:"pnpm"` |
| 38 | +} |
| 39 | + |
| 40 | +var client = http.Client{Timeout: 30 * time.Second} |
| 41 | + |
| 42 | +func main() { |
| 43 | + var releases []nodeRelease |
| 44 | + var schedule map[string]nodeSchedule |
| 45 | + var metadata pnpmMetadata |
| 46 | + for _, request := range []struct { |
| 47 | + url string |
| 48 | + out any |
| 49 | + name string |
| 50 | + }{ |
| 51 | + { |
| 52 | + nodeIndexURL, |
| 53 | + &releases, |
| 54 | + "Node.js releases", |
| 55 | + }, |
| 56 | + { |
| 57 | + nodeScheduleURL, |
| 58 | + &schedule, |
| 59 | + "Node.js schedule", |
| 60 | + }, |
| 61 | + { |
| 62 | + pnpmRegistryURL, |
| 63 | + &metadata, |
| 64 | + "pnpm releases", |
| 65 | + }, |
| 66 | + } { |
| 67 | + if err := fetch(request.url, request.out); err != nil { |
| 68 | + fail("fetch "+request.name, err) |
| 69 | + } |
| 70 | + } |
| 71 | + |
| 72 | + nodeValues := make([]string, 0, len(releases)) |
| 73 | + for _, release := range releases { |
| 74 | + nodeValues = append(nodeValues, release.Version) |
| 75 | + } |
| 76 | + nodeReleases := latest(nodeValues, 18) |
| 77 | + node := make([]nodeVersion, len(nodeReleases)) |
| 78 | + for index, version := range nodeReleases { |
| 79 | + node[index] = nodeVersion{ |
| 80 | + Version: version.String(), |
| 81 | + LTS: isLTS(schedule[fmt.Sprintf("v%d", version.Major())].LTS), |
| 82 | + } |
| 83 | + } |
| 84 | + |
| 85 | + pnpmValues := make([]string, 0, len(metadata.Versions)) |
| 86 | + for version := range metadata.Versions { |
| 87 | + pnpmValues = append(pnpmValues, version) |
| 88 | + } |
| 89 | + pnpm := latest(pnpmValues, 10) |
| 90 | + if len(node) == 0 || len(pnpm) == 0 { |
| 91 | + fail("build runtime config", fmt.Errorf("upstream metadata contains no supported versions")) |
| 92 | + } |
| 93 | + |
| 94 | + config := runtimeConfig{Node: node, Pnpm: make([]string, len(pnpm))} |
| 95 | + for index, version := range pnpm { |
| 96 | + config.Pnpm[index] = version.String() |
| 97 | + } |
| 98 | + data, err := json.MarshalIndent(config, "", strings.Repeat(" ", 2)) |
| 99 | + if err != nil { |
| 100 | + fail("encode runtime config", err) |
| 101 | + } |
| 102 | + if err := os.WriteFile(dataPath, append(data, '\n'), 0o644); err != nil { |
| 103 | + fail("write runtime config", err) |
| 104 | + } |
| 105 | + fmt.Printf("Updated %s\n", dataPath) |
| 106 | +} |
| 107 | + |
| 108 | +func fetch(url string, target any) error { |
| 109 | + response, err := client.Get(url) |
| 110 | + if err != nil { |
| 111 | + return err |
| 112 | + } |
| 113 | + defer response.Body.Close() |
| 114 | + if response.StatusCode < http.StatusOK || response.StatusCode >= http.StatusMultipleChoices { |
| 115 | + return fmt.Errorf("server returned %s", response.Status) |
| 116 | + } |
| 117 | + return json.NewDecoder(response.Body).Decode(target) |
| 118 | +} |
| 119 | + |
| 120 | +func latest(values []string, minimumMajor uint64) []*semver.Version { |
| 121 | + versions := make(map[uint64]*semver.Version) |
| 122 | + for _, value := range values { |
| 123 | + version, err := stable(value) |
| 124 | + if err != nil || version.Major() < minimumMajor { |
| 125 | + continue |
| 126 | + } |
| 127 | + if current := versions[version.Major()]; current == nil || version.GreaterThan(current) { |
| 128 | + versions[version.Major()] = version |
| 129 | + } |
| 130 | + } |
| 131 | + result := make([]*semver.Version, 0, len(versions)) |
| 132 | + for _, version := range versions { |
| 133 | + result = append(result, version) |
| 134 | + } |
| 135 | + sort.Slice(result, func(left, right int) bool { |
| 136 | + return result[left].GreaterThan(result[right]) |
| 137 | + }) |
| 138 | + return result |
| 139 | +} |
| 140 | + |
| 141 | +func stable(value string) (*semver.Version, error) { |
| 142 | + version, err := semver.StrictNewVersion(strings.TrimPrefix(strings.TrimSpace(value), "v")) |
| 143 | + if err != nil || version.Prerelease() != "" || version.Metadata() != "" { |
| 144 | + return nil, fmt.Errorf("not a stable semantic version") |
| 145 | + } |
| 146 | + return version, nil |
| 147 | +} |
| 148 | + |
| 149 | +func isLTS(value json.RawMessage) bool { |
| 150 | + return strings.HasPrefix(strings.TrimSpace(string(value)), `"`) |
| 151 | +} |
| 152 | + |
| 153 | +func fail(action string, err error) { |
| 154 | + fmt.Fprintf(os.Stderr, "update runtime: %s: %v\n", action, err) |
| 155 | + os.Exit(1) |
| 156 | +} |
0 commit comments