2021-03-09 00:07:55 +00:00
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import {ViewEngine} from "./ViewEngine"
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import {Injectable} from "@extollo/di"
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import * as pug from "pug"
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2021-03-25 13:50:13 +00:00
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/**
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* Implementation of the ViewEngine class that renders Pug/Jade templates.
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*/
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2021-03-09 00:07:55 +00:00
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@Injectable()
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export class PugViewEngine extends ViewEngine {
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2021-03-25 13:50:13 +00:00
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/** A cache of compiled templates. */
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2021-03-09 00:07:55 +00:00
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protected compileCache: {[key: string]: ((locals?: pug.LocalsObject) => string)} = {}
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public renderString(templateString: string, locals: { [p: string]: any }): string | Promise<string> {
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return pug.compile(templateString, this.getOptions())(locals)
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}
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public renderByName(templateName: string, locals: { [p: string]: any }): string | Promise<string> {
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let compiled = this.compileCache[templateName]
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if ( compiled ) return compiled(locals)
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if ( !templateName.endsWith('.pug') ) templateName += '.pug'
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const filePath = this.path.concat(...templateName.split(':'))
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compiled = pug.compileFile(filePath.toLocal, this.getOptions())
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this.compileCache[templateName] = compiled
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return compiled(locals)
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}
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2021-03-25 13:50:13 +00:00
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/**
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* Get the object of options passed to Pug's compile methods.
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* @protected
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*/
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2021-03-09 00:07:55 +00:00
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protected getOptions() {
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return {
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basedir: this.path.toLocal,
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debug: this.debug,
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compileDebug: this.debug,
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globals: [],
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}
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}
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}
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