mirror of
https://github.com/mountain-loop/yaak.git
synced 2026-07-15 17:22:59 +02:00
Gregory Schier
40 lines
1.4 KiB
JavaScript
40 lines
1.4 KiB
JavaScript
const { execSync } = require("node:child_process");
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const fs = require("node:fs");
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const os = require("node:os");
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const path = require("node:path");
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if (process.env.SKIP_WASM_BUILD === "1") {
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console.log("Skipping wasm-pack build (SKIP_WASM_BUILD=1)");
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return;
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}
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// Remap machine-specific paths that rustc embeds into the binary (panic
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// location strings), so builds are reproducible across machines
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const sysroot = execSync("rustc --print sysroot").toString().trim();
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const cargoHome = process.env.CARGO_HOME ?? path.join(os.homedir(), ".cargo");
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execSync("wasm-pack build --target bundler", {
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stdio: "inherit",
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env: {
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...process.env,
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RUSTFLAGS: `--remap-path-prefix=${cargoHome}=/cargo --remap-path-prefix=${sysroot}=/rustc`,
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},
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});
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// Rewrite the generated entry to use Vite's ?init import style instead of
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// the ES Module Integration style that wasm-pack generates, which Vite/rolldown
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// does not support in production builds.
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const entry = path.join(__dirname, "pkg", "yaak_templates.js");
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fs.writeFileSync(
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entry,
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[
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'import init from "./yaak_templates_bg.wasm?init";',
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'export * from "./yaak_templates_bg.js";',
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'import * as bg from "./yaak_templates_bg.js";',
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'const instance = await init({ "./yaak_templates_bg.js": bg });',
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"bg.__wbg_set_wasm(instance.exports);",
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"instance.exports.__wbindgen_start();",
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"",
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].join("\n"),
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);
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