rapier-inject - a new package for using rapier-compat without an inlined wasm file

rapier-inject/.gitignore

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+
+# Files below this line will be copied during build.
+### RAPIER_COMPAT_FILES
+tests
+src2d/raw.ts
+src3d/raw.ts
+fix_raw_file.sh
+gen_src.sh
+tsconfig.common.json
+tsconfig.json
+tsconfig.pkg2d.json
+tsconfig.pkg3d.json

rapier-inject/copy_compat_files.sh

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+
+start_line=$(($(cat .gitignore | grep "### RAPIER_COMPAT_FILES" -n | cut -d : -f 1) + 1))
+
+tail -n +$start_line .gitignore | while read file
+do
+  cp -r "../rapier-compat/$file" "./$file"
+done

rapier-inject/package.json

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+{
+    "name": "build-rapier-inject",
+    "description": "Build scripts for a rapier package which allows injecting a built wasm file.",
+    "private": true,
+    "scripts": {
+        "copy-files": "sh ./copy_compat_files.sh",
+        "build-rust-2d": "cd ../rapier2d && wasm-pack build --target web",
+        "build-rust-3d": "cd ../rapier3d && wasm-pack build --target web",
+        "build-rust": "npm run build-rust-2d && npm run build-rust-3d",
+        "build-genjs": "sh ./gen_src.sh",
+        "build-js": "rollup --config rollup.config.js --bundleConfigAsCjs",
+        "fix-raw-file": "sh ./fix_raw_file.sh",
+        "build": "npm run clean && npm run copy-files && npm run build-rust && npm run build-genjs && npm run build-js && npm run fix-raw-file",
+        "clean": "npx rimraf ../rapier2d/pkg ../rapier3d/pkg pkg2d pkg3d gen2d gen3d ../rapier2d/docs ../rapier3d/docs",
+        "test": "jest --detectOpenHandles",
+        "all": "npm run build"
+    },
+    "dependencies": {},
+    "devDependencies": {
+        "@rollup/plugin-commonjs": "^23.0.2",
+        "@rollup/plugin-node-resolve": "^15.0.1",
+        "@rollup/plugin-typescript": "^9.0.2",
+        "@rollup/plugin-terser": "0.1.0",
+        "@types/jest": "^29.2.1",
+        "jest": "^29.2.2",
+        "rimraf": "^3.0.2",
+        "rollup": "^3.2.5",
+        "rollup-plugin-base64": "^1.0.1",
+        "rollup-plugin-copy": "^3.4.0",
+        "rollup-plugin-filesize": "^9.1.2",
+        "ts-jest": "^29.0.3",
+        "tslib": "^2.4.1",
+        "typescript": "^4.8.4"
+    },
+    "jest": {
+        "roots": [
+            "<rootDir>/tests"
+        ],
+        "preset": "ts-jest",
+        "collectCoverageFrom": [
+            "pkg2d/**/*.js",
+            "pkg3d/**/*.js"
+        ],
+        "transformIgnorePatterns": [
+            "[/\\\\]node_modules[/\\\\].+\\.(js|ts)$",
+            "[/\\\\]pkg3d[/\\\\].+\\.(js|ts)$",
+            "[/\\\\]pkg2d[/\\\\].+\\.(js|ts)$"
+        ],
+        "moduleFileExtensions": [
+            "ts",
+            "js"
+        ]
+    }
+}

rapier-inject/rollup.config.js

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+import commonjs from "@rollup/plugin-commonjs";
+import {nodeResolve} from "@rollup/plugin-node-resolve";
+import typescript from "@rollup/plugin-typescript";
+import terser from "@rollup/plugin-terser";
+import path from "path";
+import {base64} from "rollup-plugin-base64";
+import copy from "rollup-plugin-copy";
+import filesize from "rollup-plugin-filesize";
+
+const config = (dim) => ({
+    input: `./gen${dim}/rapier.ts`,
+    output: [
+        {
+            file: `pkg${dim}/rapier.es.js`,
+            format: "es",
+            sourcemap: true,
+            exports: "named",
+        },
+        {
+            file: `pkg${dim}/rapier.cjs.js`,
+            format: "cjs",
+            sourcemap: true,
+            exports: "named",
+        },
+    ],
+    plugins: [
+        copy({
+            targets: [
+                {
+                    src: `../rapier${dim}/pkg/package.json`,
+                    dest: `./pkg${dim}/`,
+                    transform(content) {
+                        let config = JSON.parse(content.toString());
+                        config.name = `@dimforge/rapier${dim}-inject`;
+                        config.description +=
+                            " Compatibility package that requires module injection.";
+                        config.types = "rapier.d.ts";
+                        config.main = "rapier.cjs.js";
+                        config.module = "rapier.es.js";
+                        // delete config.module;
+                        config.files = ["*"];
+                        return JSON.stringify(config, undefined, 2);
+                    },
+                },
+                {
+                    src: `../rapier${dim}/LICENSE`,
+                    dest: `./pkg${dim}`,
+                },
+                {
+                    src: `../rapier${dim}/README.md`,
+                    dest: `./pkg${dim}`,
+                },
+            ],
+        }),
+        base64({include: "**/*.wasm"}),
+        terser(),
+        nodeResolve(),
+        commonjs(),
+        typescript({
+            tsconfig: path.resolve(__dirname, `tsconfig.pkg${dim}.json`),
+            sourceMap: true,
+            inlineSources: true,
+        }),
+        filesize(),
+    ],
+});
+
+export default [config("2d"), config("3d")];

rapier-inject/src2d/init.ts

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+import wasmInit from "../pkg2d/rapier_wasm2d";
+
+/**
+ * Initializes RAPIER.
+ * Has to be called and awaited before using any library methods.
+ */
+export async function init(module: WebAssembly.Module) {
+    await wasmInit(module);
+}

rapier-inject/src3d/init.ts

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+import wasmInit from "../pkg3d/rapier_wasm3d";
+
+/**
+ * Initializes RAPIER.
+ * Has to be called and awaited before using any library methods.
+ */
+export async function init(module: WebAssembly.Module) {
+    await wasmInit(module);
+}