v0.4.0

Custom Levels

With this release of Log, you can now style your custom level to your liking!

// Define a new level
const SuccessLevel = log.InfoLevel + 1

// Create a style
styles := log.DefaultStyles()
styles.Levels[SuccessLevel] = lipgloss.NewStyle().
    SetString("SUCCESS").
    Bold(true).
    Foreground(lipgloss.Color("42"))

// Set the styles on the default logger
log.SetStyles(styles)

// Define your custom func
func Success(msg string, args ...any) {
	log.Default().Log(SuccessLevel, msg, args...)
}

Along with that, this release includes some important bug fixes detailed below.

Changelog

New Features

• 2338a13: feat: expose log function (#95) (@aymanbagabas)

Bug fixes

• 2819330: fix: lazy init default logger (#111) (@caarlos0)

Dependency updates

• bcd4738: feat(deps): bump github.com/charmbracelet/lipgloss from 0.9.1 to 0.10.0 (#112) (@dependabot[bot])
• 976db2b: feat(deps): bump github.com/stretchr/testify from 1.8.4 to 1.9.0 (#108) (@dependabot[bot])

Documentation updates

• 87252e4: docs: Replace function with func in README sample code (@szktkfm)
• ac0e6b1: docs: direct users to library API (#73) (@bashbunni)
• 9d04d2b: docs: style customization updated (#106) (@ssantoshp)

Other work

• a424643: Create CODEOWNERS (@maaslalani)
• fd1729a: Options.CallerFormatter documentation issue (#100) (@pythonian23)
• f2cb6b6: ci: test on go define in go.mod (#102) (@caarlos0)
• d23bea6: fix!: respect time function (#115) (@aymanbagabas)
• 7a3834f: slog: Don't log if not enabled at level (#103) (@imjasonh)

---

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v0.3.1

Changelog

New Features

• de79c17: feat(logger): implement slog.Handler (#13) (@aymanbagabas)
• bd09619: feat: set custom styles (#84) (@aymanbagabas)

Bug fixes

• 7472e59: fix: dry writeSpace (@aymanbagabas)
• b7f36a8: fix: use const colors to skip reading querying for the terminal bg color (#93) (@aymanbagabas)

Dependency updates

• e5a733b: feat(deps): bump github.com/charmbracelet/lipgloss from 0.8.0 to 0.9.1 (#76) (@dependabot[bot])

Documentation updates

• afa204d: docs: fix examples (#94) (@nellfs)
• 595fffe: docs: fix styles example (#92) (@aymanbagabas)

Other work

• 5e84160: Handle Empty Messages (#82) (@dezren39)
• f36448c: doc: add gum to readme (@aymanbagabas)
• d96bea2: refactor!: return Error from ParseLevel (#83) (@dezren39)

---

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v0.3.0

This new release of Log adds support for log/slog, and per-instance styles, and includes bug fixes. You can now use Log as a log/slog handler in your applications. Log comes with its own JSON and Logfmt formatters, on the other hand, Slog uses different handlers for these formats.

Breaking Changes!

• Bump the minimum GoLang version to 1.19
• Change the default timestamp key from ts to time to match log/slog
• Change the default level key from lvl to level to match log/slog
• ParseLevel() now returns an error if parse failed to find a level in string
• Default levels values changed to be increments of 4 i.e. DebugLevel = -4, InfoLevel = 0, WarnLevel = 4, ...
• Global styles are replaced with DefaultStyles() and SetStyles()

Changelog

New Features

• 5155c4f: feat(logger): implement slog.Handler (@aymanbagabas)
• 588043a: feat: add slog tests (@aymanbagabas)
• 7e55b91: feat: compile for go1.20 and go1.21 (@aymanbagabas)
• bd09619: feat: set custom styles (#84) (@aymanbagabas)

Bug fixes

• 707eb77: fix: add emoji test (@aymanbagabas)
• 7472e59: fix: dry writeSpace (@aymanbagabas)
• 1231b7b: fix: lint (@aymanbagabas)

Dependency updates

• e5a733b: feat(deps): bump github.com/charmbracelet/lipgloss from 0.8.0 to 0.9.1 (#76) (@dependabot[bot])

Other work

• 5e84160: Handle Empty Messages (#82) (@dezren39)
• 85d52ab: doc: add slog support (@aymanbagabas)
• d96bea2: refactor!: return Error from ParseLevel (#83) (@dezren39)
• 283fdeb: refactor: match log/slog level values (@aymanbagabas)
• 9c25f94: refactor: rename files (@aymanbagabas)

---

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v0.2.5

Changelog

New Features

• 851c1b0: feat: set lipgloss renderer color profile (#69) (@aymanbagabas)

Bug fixes

• 6c11a72: fix(ci): fail ci on lint issues; enable nolintlint (#70) (@alexandear)

---

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v0.2.4

Thoughts? Questions? We love hearing from you. Feel free to reach out on Twitter, The Fediverse, or on Discord.

Full Changelog: v0.2.3...v0.2.4

v0.2.3

Changelog

New Features

• 280c4e3: feat: export context key (#65) (@aymanbagabas)

Bug fixes

• e0ec0b1: fix: log.With() race condition (#64) (@alexvelea)
• 97dd8c9: fix: race condition when creating standard logger (#68) (@aymanbagabas)
• fb99176: fix: remove extraneous colon from prefix key (@aymanbagabas)

Dependency updates

• 31d2a53: feat(deps): bump github.com/muesli/termenv from 0.15.1 to 0.15.2 (@dependabot[bot])
• c39b96e: feat(deps): bump github.com/stretchr/testify from 1.8.3 to 1.8.4 (@dependabot[bot])

---

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v0.2.2

Changelog

New Features

• 96a7043: feat(calleroffset): added option to config custom caller offset (@waffle69691337)

Bug fixes

• dc01e9b: fix(ci): remove soft-serve workflow (@aymanbagabas)

Dependency updates

• 347b8ef: feat(deps): bump github.com/stretchr/testify from 1.8.2 to 1.8.3 (@dependabot[bot])

Documentation updates

• afe34d9: docs: license (@caarlos0)
• ffabf4a: docs: update README.md (@aymanbagabas)

---

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v0.2.1

Changelog

Bug fixes

• 89a61d4: fix(ci): setup go before lint (@aymanbagabas)
• 6e534d0: fix(output): cache lipgloss renderers (#52) (@aymanbagabas)

Dependency updates

• 8ca9b06: feat(deps): bump github.com/mattn/go-isatty from 0.0.17 to 0.0.18 (@dependabot[bot])

---

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v0.2.0

BREAKING CHANGE

• Drop functional options.
• Introduce log.NewWithOptions(io.Writer, log.Options) and log.Options{} to create a new logger with custom options.
• Add format methods to format the log message just like fmt.Printf().
• Add log.WithPrefix(string) that returns a new sub-logger with prefix.
• Parse level from string log.ParseLevel(string)
• Custom key/value styles.
• Caller source formatter.
• And a bunch of bug fixes.

Changelog

New Features

• ecd1551: feat(caller): add caller formatter (@aymanbagabas)
• 5315620: feat(examples): put examples in a separate module (@aymanbagabas)
• 2285bce: feat(log): add format methods (@aymanbagabas)
• 40c0aef: feat(log): set custom format keys (@aymanbagabas)
• 99fa380: feat(log): sub-logger with prefix (@aymanbagabas)
• 169c012: feat(styles): style certain keys (@aymanbagabas)
• 391e751: feat(text): style certain values (@aymanbagabas)
• a2100d4: feat(text): use lipgloss renderer (@aymanbagabas)
• baccac6: feat: parse level from string (#11) (@gozeloglu)

Bug fixes

• 632a426: fix(go): make log compliant with go1.15 (@aymanbagabas)
• cc3834d: fix(text): style multiline value before rendering (@aymanbagabas)

Dependency updates

• e6729aa: feat(deps): bump github.com/charmbracelet/lipgloss from 0.7.0 to 0.7.1 (@dependabot[bot])
• 6630e96: feat(deps): bump github.com/stretchr/testify from 1.8.1 to 1.8.2 (@dependabot[bot])

Documentation updates

• 26aaaae: docs: add codecov & go report badges (@aymanbagabas)
• 5da9367: docs: add format methods (@aymanbagabas)
• 6b05768: docs: add light background gifs (@aymanbagabas)
• 65ede51: docs: add missing info level info to README (@meowgorithm)
• a9f75d2: docs: add styles section and examples (@aymanbagabas)
• 07a423f: docs: update gifys (@aymanbagabas)
• 9519a70: docs: update readme examples (@aymanbagabas)
• b6dcc9b: docs: update styles example (@aymanbagabas)
• 462efd0: docs: update sublogger gify (@aymanbagabas)
• 17a651c: docs: use picture tags (@aymanbagabas)

Other work

• 39de9ca: add batch and chocolate chips NV pairs (@tomdotorg)
• 761ad44: fix(text) escape value before rendering styles (#20) (@tombell)
• 395e398: ref(log): reduce struct props (@aymanbagabas)
• 010ab90: ref(log): use log options to initialize new loggers (@aymanbagabas)
• 685b3e2: revert: dark mode gifs (@maaslalani)

---

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v0.1.2

Changelog

New Features

• 169c012: feat(styles): style certain keys (@aymanbagabas)
• baccac6: feat: parse level from string (#11) (@gozeloglu)

Bug fixes

• 44db2e7: fix(go): make log compliant with go1.15 (@aymanbagabas)
• cc3834d: fix(text): style multiline value before rendering (@aymanbagabas)

Dependency updates

• 6630e96: feat(deps): bump github.com/stretchr/testify from 1.8.1 to 1.8.2 (@dependabot[bot])

Documentation updates

• 6b05768: docs: add light background gifs (@aymanbagabas)
• a9f75d2: docs: add styles section and examples (@aymanbagabas)
• 462efd0: docs: update sublogger gify (@aymanbagabas)
• 17a651c: docs: use picture tags (@aymanbagabas)

Other work

• 39de9ca: add batch and chocolate chips NV pairs (@tomdotorg)
• 761ad44: fix(text) escape value before rendering styles (#20) (@tombell)
• c158121: ref(log): reduce struct props (@aymanbagabas)
• 685b3e2: revert: dark mode gifs (@maaslalani)

---

Thoughts? Questions? We love hearing from you. Feel free to reach out on Twitter, The Fediverse, or on Discord.