add setup files

.editorconfig

+# Editor configuration, see https://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false

.gitignore

+.DS_Store
+dist
+node_modules

.npmignore

+.DS_Store
+dist
+node_modules
+example

.prettierignore

+package.json
+package-lock.json
+yarn.lock
+dist

.prettierrc

+{
+  "bracketSpacing": true,
+  "semi": true,
+  "singleQuote": true,
+  "printWidth": 100,
+  "useTabs": false,
+  "tabWidth": 2
+}

package.json

+{
+  "name": "@nshmp/disagg-d3",
+  "version": "0.0.1",
+  "description": "Disaggregation plots using D3, ported from hazdev",
+  "main": "src/index.js",
+  "types": "types/index.d.ts",
+  "scripts": {
+    "pre-commit": "pretty-quick --staged && npm run tslint",
+    "pre-push": "npm run pre-commit",
+    "tslint": "tslint -c tslint.json 'types/**/*.d.ts' 'src/**/*.d.ts'",
+    "tslint:fix": "npm run tslint -- --fix",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://code.usgs.gov/ghsc/nshmp/disagg-d3"
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/d3": "^3.5.43",
+    "@types/node": "^14.6.0",
+    "husky": "^4.2.5",
+    "prettier": "^2.1.0",
+    "pretty-quick": "^3.0.0",
+    "tslint": "^6.1.3",
+    "tslint-etc": "^1.13.6",
+    "typescript": "^4.0.2"
+  },
+  "dependencies": {
+    "@nshmp/nshmp-utils": "^1.2.5",
+    "d3": "^3.5.17"
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "npm run pre-commit",
+      "pre-push": "npm run pre-push"
+    }
+  }
+}

tslint.json

+{
+  "extends": ["tslint:recommended", "tslint-etc"],
+  "rules": {
+    "array-type": false,
+    "arrow-parens": false,
+    "interface-name": false,
+    "max-classes-per-file": false,
+    "max-line-length": [
+      true,
+      {
+        "limit": 100,
+        "ignore-pattern": "^import |^export {(.*?)}",
+        "check-strings": true,
+        "check-regex": true
+      }
+    ],
+    "member-access": false,
+    "member-ordering": [
+      true,
+      {
+        "order": ["static-field", "instance-field", "static-method", "instance-method"]
+      }
+    ],
+    "no-consecutive-blank-lines": false,
+    "no-console": [true, "debug", "info", "time", "timeEnd", "trace"],
+    "no-empty": false,
+    "no-inferrable-types": [true, "ignore-params"],
+    "no-non-null-assertion": true,
+    "no-redundant-jsdoc": true,
+    "no-switch-case-fall-through": true,
+    "no-var-requires": false,
+    "object-literal-key-quotes": [true, "as-needed"],
+    "object-literal-sort-keys": false,
+    "ordered-imports": true,
+    "quotemark": [true, "single"],
+    "trailing-comma": false
+  }
+}