Method _makeScopeMatcher

packages/compiler/src/shadow_css.ts:696–701

(scopeSelector: string)

  }

  private _makeScopeMatcher(scopeSelector: string): RegExp {
    const lre = /\[/g;
    const rre = /\]/g;
    scopeSelector = scopeSelector.replace(lre, '\\[').replace(rre, '\\]');
    return new RegExp('^(' + scopeSelector + ')' + _selectorReSuffix, 'm');
  }

  // scope via name and [is=name]
  private _applySimpleSelectorScope(