astro/dist/core/build/add-rolldown-input.js

Astro is a modern site builder with web best practices, performance, and DX front-of-mind.

function fromEntries(entries) {
	const obj = {};
	for (const [k, v] of entries) {
		obj[k] = v;
	}
	return obj;
}
export function addRolldownInput(inputOptions, newInputs) {
	// Add input module ids to existing input option, whether it's a string, array or object
	// this way you can use multiple html plugins all adding their own inputs
	if (!inputOptions.input) {
		return {
			...inputOptions,
			input: newInputs
		};
	}
	if (typeof inputOptions.input === "string") {
		return {
			...inputOptions,
			input: [inputOptions.input, ...newInputs]
		};
	}
	if (Array.isArray(inputOptions.input)) {
		return {
			...inputOptions,
			input: [...inputOptions.input, ...newInputs]
		};
	}
	if (typeof inputOptions.input === "object") {
		return {
			...inputOptions,
			input: {
				...inputOptions.input,
				...fromEntries(newInputs.map((i) => [i.split("/").slice(-1)[0].split(".")[0], i]))
			}
		};
	}
	throw new Error(`Unknown rolldown input type. Supported inputs are string, array and object.`);
}