|
| 1 | +#!/usr/bin/env bash |
| 2 | +# Fetches pre-built WASM modules for Pyrefly and ty from their GitHub releases. |
| 3 | +# Run this before `npm run dev` if you want Pyrefly or ty backends. |
| 4 | +set -euo pipefail |
| 5 | + |
| 6 | +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" |
| 7 | +WASM_DIR="${SCRIPT_DIR}/wasm" |
| 8 | + |
| 9 | +# --- Pyrefly --- |
| 10 | +# Build from source using wasm-pack (requires Rust toolchain) |
| 11 | +fetch_pyrefly() { |
| 12 | + local dir="${WASM_DIR}/pyrefly" |
| 13 | + mkdir -p "$dir" |
| 14 | + |
| 15 | + if [ -f "$dir/pyrefly_wasm_bg.wasm" ]; then |
| 16 | + echo "Pyrefly WASM already exists, skipping." |
| 17 | + return |
| 18 | + fi |
| 19 | + |
| 20 | + echo "Building Pyrefly WASM from source..." |
| 21 | + local tmpdir |
| 22 | + tmpdir=$(mktemp -d) |
| 23 | + trap 'rm -rf "$tmpdir"' RETURN |
| 24 | + |
| 25 | + git clone --depth=1 https://github.com/facebook/pyrefly.git "$tmpdir/pyrefly" |
| 26 | + cd "$tmpdir/pyrefly/pyrefly_wasm" |
| 27 | + |
| 28 | + if ! command -v wasm-pack &>/dev/null; then |
| 29 | + echo "Installing wasm-pack..." |
| 30 | + cargo install wasm-pack |
| 31 | + fi |
| 32 | + |
| 33 | + wasm-pack build --target web --out-dir "$dir" --no-typescript |
| 34 | + echo "Pyrefly WASM built successfully." |
| 35 | +} |
| 36 | + |
| 37 | +# --- ty --- |
| 38 | +# Build from source using wasm-pack (requires Rust toolchain) |
| 39 | +fetch_ty() { |
| 40 | + local dir="${WASM_DIR}/ty" |
| 41 | + mkdir -p "$dir" |
| 42 | + |
| 43 | + if [ -f "$dir/ty_wasm_bg.wasm" ]; then |
| 44 | + echo "ty WASM already exists, skipping." |
| 45 | + return |
| 46 | + fi |
| 47 | + |
| 48 | + echo "Building ty WASM from source..." |
| 49 | + local tmpdir |
| 50 | + tmpdir=$(mktemp -d) |
| 51 | + trap 'rm -rf "$tmpdir"' RETURN |
| 52 | + |
| 53 | + git clone --depth=1 https://github.com/astral-sh/ruff.git "$tmpdir/ruff" |
| 54 | + cd "$tmpdir/ruff" |
| 55 | + |
| 56 | + if ! command -v wasm-pack &>/dev/null; then |
| 57 | + echo "Installing wasm-pack..." |
| 58 | + cargo install wasm-pack |
| 59 | + fi |
| 60 | + |
| 61 | + wasm-pack build --target web crates/ty_wasm --out-dir "$dir" --no-typescript |
| 62 | + echo "ty WASM built successfully." |
| 63 | +} |
| 64 | + |
| 65 | +echo "=== Fetching WASM modules ===" |
| 66 | +echo "" |
| 67 | + |
| 68 | +case "${1:-all}" in |
| 69 | + pyrefly) |
| 70 | + fetch_pyrefly |
| 71 | + ;; |
| 72 | + ty) |
| 73 | + fetch_ty |
| 74 | + ;; |
| 75 | + all) |
| 76 | + fetch_pyrefly |
| 77 | + fetch_ty |
| 78 | + ;; |
| 79 | + *) |
| 80 | + echo "Usage: $0 [pyrefly|ty|all]" |
| 81 | + exit 1 |
| 82 | + ;; |
| 83 | +esac |
| 84 | + |
| 85 | +echo "" |
| 86 | +echo "Done! WASM modules are in ${WASM_DIR}/" |
0 commit comments