'use strict'; import { Pipe, PipeTransform } from '@angular/core'; import { DomSanitizer } from '@angular/platform-browser'; import { isString, stringify, isBlank } from './helpers'; import JsonPointer from './JsonPointer'; import { MdRenderer } from './'; import { JsonFormatter } from './JsonFormatterPipe'; declare var Prism: any; class BaseException { message: string; constructor(message) { this.message = message; } } class InvalidPipeArgumentException extends BaseException { constructor(type, value) { super(`Invalid argument '${value}' for pipe '${stringify(type)}'`); } } @Pipe({ name: 'keys' }) export class KeysPipe implements PipeTransform { transform(value) { if (isBlank(value)) return value; if (typeof value !== 'object') { throw new InvalidPipeArgumentException(KeysPipe, value); } return Object.keys(value); } } @Pipe({ name: 'jsonPointerEscape' }) export class JsonPointerEscapePipe implements PipeTransform { transform(value:string) { if (isBlank(value)) return value; if (!isString(value)) { throw new InvalidPipeArgumentException(JsonPointerEscapePipe, value); } return JsonPointer.escape(value); } } @Pipe({ name: 'marked' }) export class MarkedPipe implements PipeTransform { renderer: MdRenderer; constructor(private sanitizer: DomSanitizer) { this.renderer = new MdRenderer(true); } transform(value:string) { if (isBlank(value)) return value; if (!isString(value)) { throw new InvalidPipeArgumentException(JsonPointerEscapePipe, value); } return this.sanitizer.bypassSecurityTrustHtml( `${this.renderer.renderMd(value)}` ); } } @Pipe({ name: 'safe' }) export class SafePipe implements PipeTransform { constructor(private sanitizer: DomSanitizer) {} transform(value:string) { if (isBlank(value)) return value; if (!isString(value)) { throw new InvalidPipeArgumentException(JsonPointerEscapePipe, value); } return this.sanitizer.bypassSecurityTrustHtml(value); } } const langMap = { 'c++': 'cpp', 'c#': 'csharp', 'objective-c': 'objectivec', 'shell': 'bash', 'viml': 'vim' }; @Pipe({ name: 'prism' }) export class PrismPipe implements PipeTransform { constructor(private sanitizer: DomSanitizer) {} transform(value, args) { if (isBlank(args) || args.length === 0) { throw new BaseException('Prism pipe requires one argument'); } if (isBlank(value)) return value; if (!isString(value)) { throw new InvalidPipeArgumentException(JsonPointerEscapePipe, value); } let lang = args[0].toString().trim().toLowerCase(); if (langMap[lang]) lang = langMap[lang]; let grammar = Prism.languages[lang]; //fallback to clike if (!grammar) grammar = Prism.languages.clike; return this.sanitizer.bypassSecurityTrustHtml(Prism.highlight(value, grammar)); } } @Pipe({ name: 'encodeURIComponent' }) export class EncodeURIComponentPipe implements PipeTransform { transform(value:string) { if (isBlank(value)) return value; if (!isString(value)) { throw new InvalidPipeArgumentException(EncodeURIComponentPipe, value); } return encodeURIComponent(value); } } export const REDOC_PIPES = [ JsonPointerEscapePipe, MarkedPipe, SafePipe, PrismPipe, EncodeURIComponentPipe, JsonFormatter, KeysPipe ];