Code coverage report for src/js/base/module/Codeview.js

# all files / src/js/base/module/ Codeview.js

71.05% Statements 54/76
50% Branches 15/30
71.43% Functions 10/14
70.67% Lines 53/75

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     import env from '../core/env';
    import dom from '../core/dom';

    let CodeMirror;
    Iif (env.hasCodeMirror) {
      if (env.isSupportAmd) {
        require(['codemirror'], function(cm) {
          CodeMirror = cm;
        });
      } else {
        CodeMirror = window.CodeMirror;
      }
    }

    /**
     * @class Codeview
     */
    export default class CodeView {
      constructor(context) {
        this.context = context;
        this.$editor = context.layoutInfo.editor;
        this.$editable = context.layoutInfo.editable;
        this.$codable = context.layoutInfo.codable;
        this.options = context.options;
      }

      sync() {
        const isCodeview = this.isActivated();
        Iif (isCodeview && env.hasCodeMirror) {
          this.$codable.data('cmEditor').save();
        }
      }

      /**
       * @return {Boolean}
       */
      isActivated() {
        return this.$editor.hasClass('codeview');
      }

      /**
       * toggle codeview
       */
      toggle() {
        if (this.isActivated()) {
          this.deactivate();
        } else {
          this.activate();
        }
        this.context.triggerEvent('codeview.toggled');
      }

      /**
       * purify input value
       * @param value
       * @returns {*}
       */
      purify(value) {
        Eif (this.options.codeviewFilter) {
          // filter code view regex
          value = value.replace(this.options.codeviewRegex, '');
          // allow specific iframe tag
          const whitelist = this.options.codeviewIframeWhitelistSrc.concat(this.options.codeviewIframeWhitelistSrcBase);
          value = value.replace(/(<iframe.*?>.*?<\/iframe>)/gi, function(tag) {
            // remove if src attribute is duplicated
            Iif (/<.+src(?==?('|"|\s)?)[\s\S]+src(?=('|"|\s)?)[^>]*?>/i.test(tag)) {
              return '';
            }
            for (const src of whitelist) {
              // pass if src is trusted
              if ((new RegExp('src="\/\/' + src + '\/(.+)"')).test(tag)) {
                return tag;
              }
            }
            return '';
          });
        }
        return value;
      }

      /**
       * activate code view
       */
      activate() {
        this.$codable.val(dom.html(this.$editable, this.options.prettifyHtml));
        this.$codable.height(this.$editable.height());

        this.context.invoke('toolbar.updateCodeview', true);
        this.$editor.addClass('codeview');
        this.$codable.focus();

        // activate CodeMirror as codable
        Iif (env.hasCodeMirror) {
          const cmEditor = CodeMirror.fromTextArea(this.$codable[0], this.options.codemirror);

          // CodeMirror TernServer
          if (this.options.codemirror.tern) {
            const server = new CodeMirror.TernServer(this.options.codemirror.tern);
            cmEditor.ternServer = server;
            cmEditor.on('cursorActivity', (cm) => {
              server.updateArgHints(cm);
            });
          }

          cmEditor.on('blur', (event) => {
            this.context.triggerEvent('blur.codeview', cmEditor.getValue(), event);
          });

          // CodeMirror hasn't Padding.
          cmEditor.setSize(null, this.$editable.outerHeight());
          this.$codable.data('cmEditor', cmEditor);
        } else {
          this.$codable.on('blur', (event) => {
            this.context.triggerEvent('blur.codeview', this.$codable.val(), event);
          });
        }
      }

      /**
       * deactivate code view
       */
      deactivate() {
        // deactivate CodeMirror as codable
        Iif (env.hasCodeMirror) {
          const cmEditor = this.$codable.data('cmEditor');
          this.$codable.val(cmEditor.getValue());
          cmEditor.toTextArea();
        }

        const value = this.purify(dom.value(this.$codable, this.options.prettifyHtml) || dom.emptyPara);
        const isChange = this.$editable.html() !== value;

        this.$editable.html(value);
        this.$editable.height(this.options.height ? this.$codable.height() : 'auto');
        this.$editor.removeClass('codeview');

        Iif (isChange) {
          this.context.triggerEvent('change', this.$editable.html(), this.$editable);
        }

        this.$editable.focus();

        this.context.invoke('toolbar.updateCodeview', false);
      }

      destroy() {
        Iif (this.isActivated()) {
          this.deactivate();
        }
      }
    }