util

package
v1.0.5 Latest Latest
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Published: Apr 7, 2026 License: MIT Imports: 9 Imported by: 0

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Constants

View Source
const (
	// EnvNoProxy disables automatic proxy support when set to any non-empty value.
	EnvNoProxy = "LARK_CLI_NO_PROXY"
)

Variables

This section is empty.

Functions

func DetectProxyEnv added in v1.0.4

func DetectProxyEnv() (key, value string)

DetectProxyEnv returns the first proxy-related environment variable that is set, or empty strings if none are configured.

func FallbackTransport added in v1.0.4

func FallbackTransport() *http.Transport

FallbackTransport returns a shared *http.Transport singleton suitable for use as a fallback when a transport decorator's Base is nil. Unlike NewBaseTransport (which clones per call), this reuses a single instance so that TCP connections and TLS sessions are pooled.

func IsEmptyValue

func IsEmptyValue(v interface{}) bool

IsEmptyValue checks whether v is considered empty using reflect. Returns true for nil interface, and zero values of the underlying type (e.g. "", 0, false, empty slice/map).

func IsNil

func IsNil(v interface{}) bool

IsNil reports whether v is nil, covering both untyped nil (interface itself) and typed nil (e.g. (*T)(nil) wrapped in interface{}). Avoids direct interface{} == nil comparison .

func NewBaseTransport added in v1.0.4

func NewBaseTransport() *http.Transport

NewBaseTransport creates an *http.Transport cloned from http.DefaultTransport. If LARK_CLI_NO_PROXY is set, proxy support is disabled. Each call returns a new instance; use FallbackTransport for a shared singleton.

func ToFloat64

func ToFloat64(v interface{}) (float64, bool)

ToFloat64 extracts a float64 from a value that may be float64 or json.Number. Returns (0, false) if the value is neither.

func TruncateStr

func TruncateStr(s string, n int) string

TruncateStr truncates s to at most n runes, safe for multi-byte (e.g. CJK) characters.

func TruncateStrWithEllipsis

func TruncateStrWithEllipsis(s string, n int) string

TruncateStrWithEllipsis truncates s to at most n runes (including "..." suffix).

func WarnIfProxied added in v1.0.4

func WarnIfProxied(w io.Writer)

WarnIfProxied prints a one-time warning to w when a proxy environment variable is detected and proxy is not disabled via LARK_CLI_NO_PROXY. Proxy credentials are redacted. Safe to call multiple times; only the first call prints.

Types

This section is empty.

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