, but this code // executes before the first paint, when

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is not yet present. The // classes are added to so styling immediately reflects the current // toolbar state. The classes are removed after the toolbar completes // initialization. const classesToAdd = ['toolbar-loading', 'toolbar-anti-flicker']; if (toolbarState) { const { orientation, hasActiveTab, isFixed, activeTray, activeTabId, isOriented, userButtonMinWidth } = toolbarState; classesToAdd.push( orientation ? `toolbar-` + orientation + `` : 'toolbar-horizontal', ); if (hasActiveTab !== false) { classesToAdd.push('toolbar-tray-open'); } if (isFixed) { classesToAdd.push('toolbar-fixed'); } if (isOriented) { classesToAdd.push('toolbar-oriented'); } if (activeTray) { // These styles are added so the active tab/tray styles are present // immediately instead of "flickering" on as the toolbar initializes. In // instances where a tray is lazy loaded, these styles facilitate the // lazy loaded tray appearing gracefully and without reflow. const styleContent = ` .toolbar-loading #` + activeTabId + ` { background-image: linear-gradient(rgba(255, 255, 255, 0.25) 20%, transparent 200%); } .toolbar-loading #` + activeTabId + `-tray { display: block; box-shadow: -1px 0 5px 2px rgb(0 0 0 / 33%); border-right: 1px solid #aaa; background-color: #f5f5f5; z-index: 0; } .toolbar-loading.toolbar-vertical.toolbar-tray-open #` + activeTabId + `-tray { width: 15rem; height: 100vh; } .toolbar-loading.toolbar-horizontal :not(#` + activeTray + `) > .toolbar-lining {opacity: 0}`; const style = document.createElement('style'); style.textContent = styleContent; style.setAttribute('data-toolbar-anti-flicker-loading', true); document.querySelector('head').appendChild(style); if (userButtonMinWidth) { const userButtonStyle = document.createElement('style'); userButtonStyle.textContent = `#toolbar-item-user {min-width: ` + userButtonMinWidth +`px;}` document.querySelector('head').appendChild(userButtonStyle); } } } document.querySelector('html').classList.add(...classesToAdd); })(); Caleb Lagerwey | 黄大仙高手论坛

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Caleb Lagerwey

Adjunct Instructor, History & Social Studies Education
Historical Studies

Biography

Caleb Lagerwey grew up on the south side of Chicago amidst a family of teachers. After attending Calvin College, he and his wife settled in the West Michigan area. He teaches various History and Social Studies classes at Holland Christian High School, including AP U.S. History and AP World History. When not teaching, he enjoys reading, biking, pickleball, tennis, and spending time with his wife, daughter, and son.

Education

  • B.A., History & Social Studies Education, Calvin College
  • M.A., Education: Literacy with History emphasis, Calvin College

Academic Interests

  • Pedagogical best practices in history education & disciplinary literacies
  • Racial justice and injustice in United States History
  • Religious, political, and social contexts of the Spanish-American War
Caleb Lagerwey standing near a tree and smiling

Contact Me

486 Hiemenga Hall

Where to Find Me

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