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‎.gitignore‎

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/target
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Cargo.lock
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# Created by https://www.gitignore.io/api/windows
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# Edit at https://www.gitignore.io/?templates=windows
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### Windows ###
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# Windows thumbnail cache files
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Thumbs.db
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Thumbs.db:encryptable
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ehthumbs.db
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ehthumbs_vista.db
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# Dump file
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*.stackdump
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# Folder config file
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[Dd]esktop.ini
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# Recycle Bin used on file shares
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$RECYCLE.BIN/
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# Windows Installer files
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*.cab
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*.msi
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*.msix
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*.msm
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*.msp
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# Windows shortcuts
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*.lnk
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# End of https://www.gitignore.io/api/windows
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# Created by https://www.gitignore.io/api/macos
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# Edit at https://www.gitignore.io/?templates=macos
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### macOS ###
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# General
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.DS_Store
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.AppleDouble
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.LSOverride
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# Icon must end with two \r
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Icon
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# Thumbnails
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._*
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# Files that might appear in the root of a volume
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.DocumentRevisions-V100
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.fseventsd
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.Spotlight-V100
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.TemporaryItems
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.Trashes
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.VolumeIcon.icns
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.com.apple.timemachine.donotpresent
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# Directories potentially created on remote AFP share
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.AppleDB
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.AppleDesktop
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Network Trash Folder
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Temporary Items
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.apdisk
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# End of https://www.gitignore.io/api/macos
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# Created by https://www.gitignore.io/api/node
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# Edit at https://www.gitignore.io/?templates=node
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### Node ###
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# Logs
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logs
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*.log
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npm-debug.log*
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yarn-debug.log*
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yarn-error.log*
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lerna-debug.log*
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# Diagnostic reports (https://nodejs.org/api/report.html)
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report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
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# Runtime data
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pids
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*.pid
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*.seed
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*.pid.lock
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# Directory for instrumented libs generated by jscoverage/JSCover
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lib-cov
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# Coverage directory used by tools like istanbul
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coverage
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*.lcov
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# nyc test coverage
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.nyc_output
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# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
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.grunt
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# Bower dependency directory (https://bower.io/)
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bower_components
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# node-waf configuration
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.lock-wscript
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# Compiled binary addons (https://nodejs.org/api/addons.html)
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build/Release
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# Dependency directories
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node_modules/
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jspm_packages/
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# TypeScript v1 declaration files
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typings/
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# TypeScript cache
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*.tsbuildinfo
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# Optional npm cache directory
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.npm
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# Optional eslint cache
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.eslintcache
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# Optional REPL history
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.node_repl_history
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# Output of 'npm pack'
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*.tgz
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# Yarn Integrity file
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.yarn-integrity
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# dotenv environment variables file
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.env
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.env.test
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# parcel-bundler cache (https://parceljs.org/)
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.cache
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# next.js build output
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.next
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# nuxt.js build output
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.nuxt
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# rollup.js default build output
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dist/
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# Uncomment the public line if your project uses Gatsby
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# https://nextjs.org/blog/next-9-1#public-directory-support
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# https://create-react-app.dev/docs/using-the-public-folder/#docsNav
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# public
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# Storybook build outputs
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.out
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.storybook-out
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# vuepress build output
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.vuepress/dist
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# Serverless directories
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.serverless/
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# FuseBox cache
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.fusebox/
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# DynamoDB Local files
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.dynamodb/
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# Temporary folders
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tmp/
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temp/
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# End of https://www.gitignore.io/api/node
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*.node

‎Cargo.toml‎

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[workspace]
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members = [
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"./packages/png"
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]

‎lerna.json‎

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{
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"packages": [
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"packages/*"
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],
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"npmClient": "yarn",
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"useWorkspaces": true,
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"version": "0.0.0"
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}

‎package.json‎

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{
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"name": "node-rs",
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"version": "0.0.0",
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"description": "Node & Rust bindings monorepo",
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"main": "index.js",
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"author": "LongYinan <[email protected]>",
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"license": "MIT",
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"private": true,
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"workspaces": [
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"packages/*"
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],
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"dependencies": {
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"napi-rs": "../napi-rs"
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},
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"devDependencies": {
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"@types/sharp": "^0.24.0",
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"@typescript-eslint/eslint-plugin": "^2.24.0",
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"@typescript-eslint/parser": "^2.24.0",
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"ava": "^3.5.0",
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"benchmark": "^2.1.4",
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"codecov": "^3.6.5",
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"eslint": "^6.8.0",
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"eslint-config-prettier": "^6.10.0",
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"eslint-plugin-import": "^2.20.1",
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"eslint-plugin-prettier": "^3.1.2",
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"eslint-plugin-react": "^7.19.0",
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"eslint-plugin-react-hooks": "^2.5.0",
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"eslint-plugin-sonarjs": "^0.5.0",
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"husky": "^4.2.3",
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"lerna": "^3.20.2",
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"nyc": "^15.0.0",
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"prettier": "^1.19.1",
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"sharp": "^0.25.1",
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"ts-node": "^8.6.2",
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"typescript": "^3.8.3"
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},
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"ava": {
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"extensions": [
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"ts"
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],
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"require": [
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"ts-node/register"
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],
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"files": [
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"packages/**/*.spec.ts"
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]
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},
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"lint-staged": {
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"*.@(js|ts|tsx)": [
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"prettier --write",
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"eslint -c .eslintrc.yml --fix"
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],
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"*.rs": [
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"cargo fmt"
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]
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},
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"prettier": {
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"printWidth": 120,
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"semi": false,
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"trailingComma": "all",
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"singleQuote": true,
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"arrowParens": "always",
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"parser": "typescript"
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},
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"husky": {
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"hooks": {
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"pre-commit": "lint-staged"
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}
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}
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}

‎packages/png/Cargo.toml‎

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[package]
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name = "png"
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version = "0.1.0"
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authors = ["LongYinan <[email protected]>"]
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edition = "2018"
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[lib]
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crate-type = ["cdylib"]
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[dependencies]
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futures = { version = "0.3", features = ["default", "thread-pool"] }
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image = "0.23"
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napi-rs = { version = "0.2", path = "../../../napi-rs/napi" }
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once_cell = "1.3"
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[build-dependencies]
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napi-build = { version = "0.1", path = "../../../napi-rs/build" }

‎packages/png/build.rs‎

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extern crate napi_build;
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fn main() {
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napi_build::setup();
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}

‎packages/png/lib/__tests__/fixtures/sigi.png‎

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‎packages/png/lib/__tests__/index.spec.ts‎

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import path from 'path'
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import fs from 'fs'
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import sharp from 'sharp'
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import test from 'ava'
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import { promisify } from 'util'
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const readFileAsync = promisify(fs.readFile)
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import { decode } from '../index'
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test('should decode png', async (t) => {
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const pngPath = path.join(__dirname, 'fixtures', 'sigi.png')
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const pngData = await readFileAsync(pngPath)
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const pixels = await decode(pngData)
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console.log(pixels)
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const sharpPixels = await sharp(pngData)
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.raw()
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.toBuffer()
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console.log(sharpPixels)
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t.is(pixels.length, sharpPixels.length)
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// t.deepEqual(pixels, sharpPixels)
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})

‎packages/png/lib/index.d.ts‎

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export function decode(filepath: string | Buffer): Promise<Buffer>

‎packages/png/lib/index.js‎

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const fs = require('fs')
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const { promisify } = require('util')
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const readFileAsync = promisify(fs.readFile)
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const { decode: nativeDecode } = require('../index.node')
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module.exports.decode = async function decode(filepathOrBuffer) {
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if (Buffer.isBuffer(filepathOrBuffer)) {
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return nativeDecode(filepathOrBuffer)
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}
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const pngData = await readFileAsync(filepathOrBuffer)
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return nativeDecode(pngData)
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}

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