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import { templates } from './containers.ts'import { copyProps, XMLEscape } from './utils.ts'import EtaErr from './err.ts'
/* TYPES */
import type { TemplateFunction } from './compile.ts'import type { Cacher } from './storage.ts'
type trimConfig = 'nl' | 'slurp' | false
export interface EtaConfig {  /** Whether or not to automatically XML-escape interpolations. Default true */  autoEscape: boolean
  /** Configure automatic whitespace trimming. Default `[false, 'nl']` */  autoTrim: trimConfig | [trimConfig, trimConfig]
  /** Compile to async function */  async: boolean
  /** Whether or not to cache templates if `name` or `filename` is passed */  cache: boolean
  /** XML-escaping function */  e: (str: string) => string
  /** Parsing options */  parse: {    /** Which prefix to use for evaluation. Default `""` */    exec: string
    /** Which prefix to use for interpolation. Default `"="` */    interpolate: string
    /** Which prefix to use for raw interpolation. Default `"~"` */    raw: string  }
  /** Array of plugins */  plugins: Array<{ processFnString?: Function; processAST?: Function; processTemplate?: Function }>
  /** Remove all safe-to-remove whitespace */  rmWhitespace: boolean
  /** Delimiters: by default `['<%', '%>']` */  tags: [string, string]
  /** Holds template cache */  templates: Cacher<TemplateFunction>
  /** Name of the data object. Default `it` */  varName: string
  /** Absolute path to template file */  filename?: string
  /** Holds cache of resolved filepaths. Set to `false` to disable */  filepathCache?: Record<string, string> | false
  /** A filter function applied to every interpolation or raw interpolation */  filter?: Function
  /** Function to include templates by name */  include?: Function
  /** Function to include templates by filepath */  includeFile?: Function
  /** Name of template */  name?: string
  /** Where should absolute paths begin? Default '/' */  root?: string
  /** Make data available on the global object instead of varName */  useWith?: boolean
  /** Whether or not to cache templates if `name` or `filename` is passed: duplicate of `cache` */  'view cache'?: boolean
  /** Directory or directories that contain templates */  views?: string | Array<string>
  [index: string]: any // eslint-disable-line @typescript-eslint/no-explicit-any}
export interface EtaConfigWithFilename extends EtaConfig {  filename: string}
export type PartialConfig = Partial<EtaConfig>
/* END TYPES */
/** * Include a template based on its name (or filepath, if it's already been cached). * * Called like `include(templateNameOrPath, data)` */
function includeHelper(this: EtaConfig, templateNameOrPath: string, data: object): string {  const template = this.templates.get(templateNameOrPath)  if (!template) {    throw EtaErr('Could not fetch template "' + templateNameOrPath + '"')  }  return template(data, this)}
/** Eta's base (global) configuration */const config: EtaConfig = {  async: false,  autoEscape: true,  autoTrim: [false, 'nl'],  cache: false,  e: XMLEscape,  include: includeHelper,  parse: {    exec: '',    interpolate: '=',    raw: '~'  },  plugins: [],  rmWhitespace: false,  tags: ['<%', '%>'],  templates: templates,  useWith: false,  varName: 'it'}
/** * Takes one or two partial (not necessarily complete) configuration objects, merges them 1 layer deep into eta.config, and returns the result * * @param override Partial configuration object * @param baseConfig Partial configuration object to merge before `override` * * **Example** * * ```js * let customConfig = getConfig({tags: ['!#', '#!']}) * ``` */
function getConfig(override: PartialConfig, baseConfig?: EtaConfig): EtaConfig {  // TODO: run more tests on this
  const res: PartialConfig = {} // Linked  copyProps(res, config) // Creates deep clone of eta.config, 1 layer deep
  if (baseConfig) {    copyProps(res, baseConfig)  }
  if (override) {    copyProps(res, override)  }
  return res as EtaConfig}
/** Update Eta's base config */
function configure(options: PartialConfig): Partial<EtaConfig> {  return copyProps(config, options)}
export { config, getConfig, configure }