build.js
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build.js
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	export function buildWasm({ types, funcs, exports }) {
	const str = s => [s.length, ...Buffer.from(s)];
	const section = (id, data) => [id, data.length, ...data];

	return new Uint8Array([
	0x00,
	0x61,
	0x73,
	0x6d, // magic
	0x01,
	0x00,
	0x00,
	0x00, // version

	...section(0x01, [
	// types
	types.length,
	...types.flatMap(([params, results]) => [0x60, params.length, ...params, results.length, ...results])
	]),

	...section(0x03, [
	// funcs -> type index
	funcs.length,
	...funcs.map((_, i) => i)
	]),

	...section(0x07, [
	// exports
	exports.length,
	...exports.flatMap(([name, kind, idx]) => [...str(name), kind, idx])
	]),

	...section(0x0a, [
	funcs.length,
	...funcs.flatMap(({ locals = [], body }) => {
	const code = [locals.length, ...body, 0x0b];
	return [code.length, ...code];
	})
	])
	]);
	}

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Mime Type: application/javascript
Expires: Sat, May 2, 8:39 AM (2 d)
Storage Engine: blob
Storage Format: Raw Data
Storage Handle: 541838
Default Alt Text: build.js (938 B)

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