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data.map is not a function

See original GitHub issue

% npx typesync       
»  TypeSync v0.6.1
✖  data.map is not a function
Stack:
TypeError: data.map is not a function
    at xxx/node_modules/typesync/lib/type-definition-source.js:59:52
    at step (xxx/node_modules/typesync/lib/type-definition-source.js:32:23)
    at Object.next (xxx/node_modules/typesync/lib/type-definition-source.js:13:53)
    at fulfilled (xxx/node_modules/typesync/lib/type-definition-source.js:4:58)
    at processTicksAndRejections (internal/process/task_queues.js:97:5)

And my package json is

{
  "name": "zazu",
  "version": "0.6.0",
  "description": "A cross platform productivity application.",
  "scripts": {
    "prerelease": "npm install",
    "start": "cross-env NODE_ENV=development electron ./app/index.js",
    "test": "cross-env NODE_ENV=test electron-mocha ./app/index.js --recursive test/app",
    "build": "npm run build:js && cross-env npDEBUG=electron-builder ELECTRON_BUILDER_ALLOW_UNRESOLVED_DEPENDENCIES=true electron-builder --x64",
    "docs:publish": "gulp ghpages",
    "cucumber": "cucumber-js --require-module @babel/register --format node_modules/cucumber-pretty",
    "build:archlinux": "npm run build:js && cross-env DEBUG=electron-builder ELECTRON_BUILDER_ALLOW_UNRESOLVED_DEPENDENCIES=true electron-builder --x64 --linux pacman",
    "release:win": "npm run build:js && cross-env DEBUG=electron-builder ELECTRON_BUILDER_ALLOW_UNRESOLVED_DEPENDENCIES=true electron-builder --x64 --win --publish onTag",
    "release:linux": "npm run build:js && cross-env DEBUG=electron-builder ELECTRON_BUILDER_ALLOW_UNRESOLVED_DEPENDENCIES=true electron-builder --x64 --linux --publish onTag",
    "release:osx": "npm run build:js && cross-env DEBUG=electron-builder ELECTRON_BUILDER_ALLOW_UNRESOLVED_DEPENDENCIES=true electron-builder --x64 --publish onTag",
    "build:js": "concurrently \"npm run build:main\" \"npm run build:renderer\" \"npm run build:debug\"",
    "build:main": "cross-env NODE_ENV=production webpack --config ./configs/webpack.config.main.production.babel.js --colors",
    "build:renderer": "cross-env NODE_ENV=production webpack --config ./configs/webpack.config.renderer.production.babel.js --colors",
    "build:debug": "cross-env NODE_ENV=production webpack --config ./configs/webpack.config.renderer.debug.production.babel.js --colors",
    "lint": "eslint . --ext .js,.ts,.tsx",
    "lint:fix": "eslint . --ext .js,.ts,.tsx --fix",
    "format": "prettier . --write",
    "postinstall": "concurrently \"electron-builder install-app-deps\" \"typesync\""
  },
  "main": "app/dist/main.production.js",
  "husky": {
    "hooks": {
      "pre-commit": "npm run lint && pretty-quick --staged",
      "pre-push": "npm run lint && npm test"
    }
  },
  "build": {
    "productName": "Zazu",
    "appId": "com.tinytacoteam.zazu",
    "npmRebuild": false,
    "files": [
      "app",
      "package.json"
    ],
    "publish": [
      "github"
    ],
    "win": {
      "target": [
        "nsis"
      ],
      "icon": "resources/windows/icon.ico"
    },
    "nsis": {
      "oneClick": true,
      "installerHeaderIcon": "resources/windows/setup-icon.ico"
    },
    "linux": {
      "target": [
        "deb"
      ]
    },
    "mac": {
      "target": [
        "dmg"
      ],
      "icon": "resources/osx/icon.icns",
      "category": "public.app-category.productivity"
    },
    "dmg": {
      "icon": "resources/osx/dmg-icon.icns",
      "background": "resources/osx/dmg-background.png"
    },
    "directories": {
      "buildResources": "resources"
    }
  },
  "browserslist": "electron 5.0",
  "email": "zazu-app@googlegroups.com",
  "author": "Tiny Taco Team <zazu-app@googlegroups.com>",
  "homepage": "http://zazuapp.org",
  "license": "MIT",
  "repository": {
    "type": "git",
    "url": "git+ssh://git@github.com/tinytacoteam/zazu.git"
  },
  "bugs": {
    "url": "https://github.com/tinytacoteam/zazu/issues"
  },
  "dependencies": {
    "auto-launch": "^5.0.5",
    "cuid": "^2.1.8",
    "decompress": "^4.2.1",
    "fs-jetpack": "^2.2.3",
    "interweave": "^12.5.0",
    "mkdirp": "^1.0.3",
    "mousetrap": "^1.6.5",
    "nestdb": "^2.0.0",
    "node-notifier": "^6.0.0",
    "npm": "^6.14.4",
    "promise-retry": "^1.1.1",
    "prop-types": "^15.7.2",
    "react": "^16.13.1",
    "react-dom": "^16.13.1",
    "relaxed-json": "^1.0.3",
    "request": "^2.88.2",
    "semver": "^7.1.3",
    "winston": "^3.2.1",
    "winston-daily-rotate-file": "^4.4.2",
    "winston-transport": "^4.3.0"
  },
  "devDependencies": {
    "@babel/core": "^7.9.0",
    "@babel/plugin-proposal-class-properties": "^7.8.3",
    "@babel/plugin-proposal-decorators": "^7.8.3",
    "@babel/plugin-proposal-export-default-from": "^7.8.3",
    "@babel/plugin-proposal-export-namespace-from": "^7.8.3",
    "@babel/plugin-proposal-function-sent": "^7.8.3",
    "@babel/plugin-proposal-json-strings": "^7.8.3",
    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.8.3",
    "@babel/plugin-proposal-numeric-separator": "^7.8.3",
    "@babel/plugin-proposal-optional-chaining": "^7.9.0",
    "@babel/plugin-proposal-private-methods": "^7.8.3",
    "@babel/plugin-proposal-throw-expressions": "^7.8.3",
    "@babel/plugin-syntax-dynamic-import": "^7.8.3",
    "@babel/plugin-syntax-import-meta": "^7.8.3",
    "@babel/plugin-transform-react-constant-elements": "^7.9.0",
    "@babel/plugin-transform-react-inline-elements": "^7.9.0",
    "@babel/preset-env": "^7.9.0",
    "@babel/preset-react": "^7.9.4",
    "@babel/preset-typescript": "^7.9.0",
    "@babel/register": "^7.9.0",
    "@babel/runtime": "^7.9.2",
    "@typescript-eslint/eslint-plugin": "^2.26.0",
    "@typescript-eslint/parser": "^2.26.0",
    "asar": "^3.0.3",
    "babel-eslint": "^10.1.0",
    "babel-loader": "^8.1.0",
    "babel-plugin-array-last-index": "0.0.5",
    "babel-plugin-closure-elimination": "^1.3.0",
    "babel-plugin-dynamic-import-node-babel-7": "^2.0.7",
    "babel-plugin-macros": "^2.8.0",
    "chai": "^4.2.0",
    "cheerio": "^1.0.0-rc.3",
    "concurrently": "^5.1.0",
    "cross-env": "^7.0.2",
    "cucumber": "^6.0.5",
    "cucumber-pretty": "^6.0.0",
    "electron": "^5.0.4",
    "electron-builder": "^22.4.1",
    "electron-mocha": "^8.0.2",
    "eslint": "^6.8.0",
    "eslint-config-prettier": "^6.10.1",
    "eslint-config-standard": "^14.1.1",
    "eslint-plugin-babel": "^5.3.0",
    "eslint-plugin-html": "^6.0.0",
    "eslint-plugin-import": "^2.20.2",
    "eslint-plugin-node": "^11.1.0",
    "eslint-plugin-promise": "4.2.1",
    "eslint-plugin-react": "^7.19.0",
    "eslint-plugin-standard": "4.0.1",
    "eslint-plugin-unicorn": "^18.0.1",
    "gh-pages": "^2.2.0",
    "gulp": "^4.0.2",
    "gulp-util": "^3.0.8",
    "husky": "^4.2.3",
    "is-travis": "^2.0.0",
    "mini-css-extract-plugin": "^0.9.0",
    "optimize-css-assets-webpack-plugin": "^5.0.3",
    "prettier": "2.0.2",
    "pretty-quick": "^2.0.1",
    "q": "^1.5.1",
    "rona": "^1.0.2",
    "sinon": "^9.0.1",
    "sinon-chai": "^3.5.0",
    "spectron": "^5.0.0",
    "terser-webpack-plugin": "^2.3.5",
    "typescript": "^3.8.3",
    "typesync": "^0.6.1",
    "webpack": "^4.42.1",
    "webpack-bundle-analyzer": "^3.6.1",
    "webpack-cli": "^3.3.11",
    "webpack-merge": "^4.2.2"
  },
  "optionalDependencies": {
    "appdmg": "^0.6.0",
    "robotjs": "^0.6.0",
    "rcedit": "^2.1.1"
  }
}