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|
import { Context } from "../context"
export namespace Log {
const ctx = Context.create<{
tags: Record<string, any>
}>()
export function create(tags?: Record<string, any>) {
tags = tags || {}
const result = {
info(message?: any, extra?: Record<string, any>) {
const prefix = Object.entries({
...use().tags,
...tags,
...extra,
})
.map(([key, value]) => `${key}=${value}`)
.join(" ")
console.log(prefix, message)
return result
},
tag(key: string, value: string) {
if (tags) tags[key] = value
return result
},
clone() {
return Log.create({ ...tags })
},
}
return result
}
export function provide<R>(tags: Record<string, any>, cb: () => R) {
const existing = use()
return ctx.provide(
{
tags: {
...existing.tags,
...tags,
},
},
cb,
)
}
function use() {
try {
return ctx.use()
} catch {
return { tags: {} }
}
}
}
|
