17 lines
435 B
JavaScript
17 lines
435 B
JavaScript
(() => {
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const processMessage = msg => {
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switch(msg.action) {
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case "insert":
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const elem = document.createElement(msg.options.elemName)
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elem.textContent = msg.text
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document.querySelector(msg.options.containerSelector).appendChild(elem)
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break
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case "uninject":
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browser.runtime.onMessage.removeListener(processMessage)
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break
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}
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}
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browser.runtime.onMessage.addListener(processMessage)
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})()
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