vite-plugin-wat
Version:
A Vite plugin for WebAssembly Text Format.
78 lines (74 loc) • 2.77 kB
JavaScript
;
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/index.ts
var src_exports = {};
__export(src_exports, {
default: () => src_default
});
module.exports = __toCommonJS(src_exports);
var import_pathe = require("pathe");
var import_fs_extra = __toESM(require("fs-extra"), 1);
// src/wabt.ts
var import_wabt = __toESM(require("wabt"), 1);
async function wat2wasm(wat) {
const wabtModule = await (0, import_wabt.default)();
const wasmModule = wabtModule.parseWat("", wat);
return wasmModule.toBinary({}).buffer;
}
// src/index.ts
var WAT_ID_REG = /\.wat\?init$/;
function isWatId(id) {
return WAT_ID_REG.test(id);
}
function resolveWasmId(watId, cwd, wasmDir) {
return (0, import_pathe.resolve)(wasmDir, (0, import_pathe.relative)(cwd, watId).replace(WAT_ID_REG, ".wasm"));
}
var src_default = () => {
const cwd = (0, import_pathe.resolve)("./");
const storeDir = (0, import_pathe.resolve)(cwd, "node_modules", ".vite-plugin-wat");
const wasmDir = (0, import_pathe.resolve)(storeDir, "wasm");
return {
name: "vite-plugin-wat",
config: () => ({
server: { watch: { ignored: [wasmDir] } }
}),
buildStart: () => {
import_fs_extra.default.removeSync(wasmDir);
},
resolveId: (id) => {
return isWatId(id) ? id : void 0;
},
transform: async (code, id) => {
if (!isWatId(id))
return;
const wasmId = resolveWasmId(id, cwd, wasmDir);
await import_fs_extra.default.ensureFile(wasmId);
await import_fs_extra.default.writeFile(wasmId, await wat2wasm(code));
return `export { default } from '${wasmId}?init';`;
}
};
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {});