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59 lines
1.9 KiB
59 lines
1.9 KiB
import LifecycleUnit from '../lifecycle/Unit.ts'
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import {fs, path} from '../external/std.ts'
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import {Canon} from './Canon.ts'
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export interface CanonicalDefinition {
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canonical_name: string,
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original_name: string,
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imported: any,
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}
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export class Canonical extends LifecycleUnit {
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protected base_path: string = '.'
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protected suffix: string = '.ts'
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protected canonical_item: string = ''
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protected _items: { [key: string]: any } = {}
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public get path(): string {
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return path.resolve(this.base_path)
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}
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public get canonical_items() {
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return `${this.canonical_item}s`
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}
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public async up() {
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for await ( const entry of fs.walk(this.path) ) {
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if ( !entry.isFile || !entry.path.endsWith(this.suffix) ) continue
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const def = await this._get_canonical_definition(entry.path)
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this._items[def.canonical_name] = await this.init_canonical_item(def)
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}
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this.make(Canon).register_resource(this.canonical_items, (key: string) => this.get(key))
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}
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public async init_canonical_item(definition: CanonicalDefinition): Promise<any> {
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return definition.imported.default
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}
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private async _get_canonical_definition(file_path: string): Promise<CanonicalDefinition> {
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const original_name = file_path.replace(this.path, '').substr(1)
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const path_regex = new RegExp(path.SEP, 'g')
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const canonical_name = original_name.replace(path_regex, ':')
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.split('').reverse().join('')
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.substr(this.suffix.length)
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.split('').reverse().join('')
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const imported = await import(file_path)
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return { canonical_name, original_name, imported }
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}
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public get(key: string): any {
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const key_parts = key.split('.')
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let desc_value = this._items
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key_parts.forEach(part => {
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desc_value = desc_value[part]
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})
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return desc_value
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}
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}
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