util

Documentation

Index

• Constants
• Variables
• func CompareSemver(a, b string) bool
• func Get(c Cache) ([]byte, error)
• func GetDepVersion(typ, ver string, deps, refs Cache) (string, error)
• func GetLatestVersion(index Cache) (string, error)
• func GetRefs(c Cache) (map[string]Ref, error)
• func MakeSemver(v string) *semver.Version
• type Cache
• type Ref

Constants

const (
	ChromiumBase = "https://chromium.googlesource.com/chromium/src"
	ChromiumDeps = ChromiumBase + "/+/%s/DEPS"
	ChromiumURL  = ChromiumBase + "/+/%s/third_party/blink/public/devtools_protocol/browser_protocol.pdl"

	V8Base = "https://chromium.googlesource.com/v8/v8"
	V8URL  = V8Base + "/+/%s/include/js_protocol.pdl"

	// v8 <= 7.6.303.13 uses this path. left for posterity.
	V8URLOld = V8Base + "/+/%s/src/inspector/js_protocol.pdl"

	// chromium < 80.0.3978.0 uses this path. left for posterity.
	ChromiumURLOld = ChromiumBase + "/+/%s/third_party/blink/renderer/core/inspector/browser_protocol.pdl"
)

Variables

var Logf = log.Printf

Logf is a shared logging function.

var VerRE = regexp.MustCompile(`^[0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?$`)

VerRE is a regular expression for matching version numbers.

Functions

func CompareSemver

func CompareSemver(a, b string) bool

CompareSemver returns true if the semver of a is less than the semver of b.

func Get

func Get(c Cache) ([]byte, error)

Get retrieves a file from disk or from the remote URL, optionally base64 decoding it and writing it to disk.

func GetDepVersion

func GetDepVersion(typ, ver string, deps, refs Cache) (string, error)

GetDepVersion version retrieves the v8 version used for the browser version.

func GetLatestVersion

func GetLatestVersion(index Cache) (string, error)

GetLatestVersion determines the latest tag version listed on the gitiles html page.

func GetRefs

func GetRefs(c Cache) (map[string]Ref, error)

GetRefs returns the refs for the url.

func MakeSemver

func MakeSemver(v string) *semver.Version

MakeSemver makes a semver for v.

Types

type Cache

type Cache struct {
	URL    string
	Path   string
	TTL    time.Duration
	Decode bool
}

Cache holds information about a cached file.

type Ref

type Ref struct {
	Value  string `json:"value"`
	Target string `json:"target"`
}

Ref wraps a ref.