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Updates for latest wasm-pack formats (#91)

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* Updates for latest wasm-pack formats

* Cleanup sed output
This commit is contained in:
Jaco Greeff
2020-08-03 13:57:34 +02:00
committed by GitHub
parent 8c4bf9470a
commit f50d6af2bb
1 changed files with 25 additions and 14 deletions
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scripts/build-package.sh
+25 -14
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@@ -45,33 +45,44 @@ sed -i -e 's/export var /module\.exports\./g' $ASM
echo "*** Copying package sources"
cp src/js/* build/
echo "const crypto = require('crypto');
const { stringToU8a, u8aToString } = require('@polkadot/util');
const requires = { crypto };
$(cat $SRC_WASM)
" > $SRC_WASM
# whack comments
sed -i -e '/^\/\*\*/d' $SRC_WASM
sed -i -e '/^\*/d' $SRC_WASM
sed -i -e '/^\*\//d' $SRC_WASM
# we are swapping to a async interface for webpack support (wasm limits)
sed -i -e 's/wasm = require/\/\/ wasm = require/g' $SRC_WASM
sed -i -e '/^wasm = require/d' $SRC_WASM
# We don't want inline requires
sed -i -e 's/var wasm;/const crypto = require('\''crypto'\''); let wasm; const requires = { crypto };/g' $SRC_WASM
sed -i -e 's/return addHeapObject(require(varg0));/return addHeapObject(requires[varg0]);/g' $SRC_WASM
sed -i -e 's/ret = require(getStringFromWasm0(arg0, arg1));/ret = requires[getStringFromWasm0(arg0, arg1)];/g' $SRC_WASM
# this creates issues in both the browser and RN (@polkadot/util has a polyfill)
sed -i -e 's/const { TextEncoder } = require(String.raw`util`);/const { stringToU8a } = require('\''@polkadot\/util'\'');/g' $SRC_WASM
sed -i -e 's/let cachedTextEncoder = new /\/\/ let cachedTextEncoder = new /g' $SRC_WASM
sed -i -e '/^const { TextEncoder } = require/d' $SRC_WASM
sed -i -e '/^let cachedTextEncoder = new /d' $SRC_WASM
sed -i -e 's/cachedTextEncoder\.encode/stringToU8a/g' $SRC_WASM
# this creates issues in both the browser and RN (@polkadot/util has a polyfill)
sed -i -e 's/const { TextDecoder } = require(String.raw`util`);/const { u8aToString } = require('\''@polkadot\/util'\'');/g' $SRC_WASM
sed -i -e 's/let cachedTextDecoder = new /\/\/ let cachedTextDecoder = new /g' $SRC_WASM
sed -i -e '/^const { TextDecoder } = require/d' $SRC_WASM
sed -i -e '/^let cachedTextDecoder = new/d' $SRC_WASM
sed -i -e 's/cachedTextDecoder\.decode/u8aToString/g' $SRC_WASM
# this is where we get the actual bg file
sed -i -e 's/const path = require/\/\/ const path = require/g' $SRC_WASM
sed -i -e 's/const bytes = require/\/\/ const bytes = require/g' $SRC_WASM
sed -i -e 's/const wasmModule =/\/\/ const wasmModule =/g' $SRC_WASM
sed -i -e 's/const wasmInstance =/\/\/ const wasmInstance =/g' $SRC_WASM
sed -i -e 's/wasm = wasmInstance/\/\/ wasm = wasmInstance/g' $SRC_WASM
sed -i -e '/^const path = require/d' $SRC_WASM
sed -i -e '/^const bytes = require/d' $SRC_WASM
sed -i -e '/^const wasmModule =/d' $SRC_WASM
sed -i -e '/^const wasmInstance =/d' $SRC_WASM
sed -i -e '/^wasm = wasmInstance/d' $SRC_WASM
# construct our promise and add ready helpers (WASM)
echo "
module.exports.abort = function () { throw new Error('abort'); };
echo "module.exports.abort = function () { throw new Error('abort'); };
const createPromise = require('./wasm_promise');
const wasmPromise = createPromise().catch(() => null);