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47 lines
1.4 KiB
47 lines
1.4 KiB
import {Singleton} from '../di'
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import {CanonicalRecursive} from './CanonicalRecursive'
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/**
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* Canonical unit that loads configuration files from `app/configs`.
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*/
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@Singleton()
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export class Config extends CanonicalRecursive {
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protected appPath: string[] = ['configs']
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protected suffix = '.config'
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protected canonicalItem = 'config'
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/** If true, all the unique configuration keys will be stored for debugging. */
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protected recordConfigAccesses = false
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/** Array of all unique accessed config keys, if `recordConfigAccesses` is true. */
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protected accessedKeys: string[] = []
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public async up(): Promise<void> {
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await super.up()
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if ( this.get('server.debug', false) ) {
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Error.stackTraceLimit = Infinity
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this.recordConfigAccesses = true
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}
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}
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public async down(): Promise<void> {
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await super.down()
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if ( this.recordConfigAccesses && this.accessedKeys.length ) {
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this.logging.debug(`The following configuration keys were accessed while this application was online:`)
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this.accessedKeys.forEach(key => this.logging.debug(` - ${key}`))
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}
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}
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public get(key: string, fallback?: unknown): any {
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if ( this.recordConfigAccesses && !this.accessedKeys.includes(key) ) {
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this.accessedKeys.push(key)
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}
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return super.get(key, fallback)
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}
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}
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