John conroy/hubmap query

package.json

@@ -6,6 +6,7 @@
   "module": "dist/index.esm.js",
   "dependencies": {
     "husky": "^4.3.7",
+    "isomorphic-unfetch": "^3.1.0",
     "lint-staged": "^10.5.3"
   },
   "devDependencies": {

src/internal/index.ts

@@ -1,5 +1,5 @@
 import { CheckParametersTypes, RequestObjectParametersTypes, RequestObjectTypes } from './internal.types';
-import { outputTypes, inputTypes, genomicModalities } from './internal.config';
+import { HANDLE, outputTypes, inputTypes, genomicModalities } from './internal.config';
 
 class Client {
   baseUrl: string;
@@ -57,8 +57,24 @@ class Client {
     requestObject.logical_operator = 'and';
     return requestObject;
   }
+
+  async hubmapQuery({ inputType, outputType, inputSet, genomicModality, /* limit = 1000, */ pValue }) {
+    this.checkParameters(inputType, outputType, genomicModality, pValue);
+
+    const requestUrl = `${this.base_url + outputType}/`;
+
+    const requestObject = this.fillRequestObject(inputType, outputType, inputSet, genomicModality, pValue);
+
+    const response = await fetch(requestUrl, {
+      method: 'POST',
+      body: JSON.stringify(requestObject),
+    });
+
+    const { results } = response.json();
+    // Returns the key to be used in future computations
+    return results[0][HANDLE];
+  }
   /*
-  hubmapQuery() {}
 
   setIntersection() {}
 

src/internal/internal.config.ts

@@ -1,5 +1,7 @@
 import { InputTypes } from './internal.types';
 
+const HANDLE = 'query_pickle_hash';
+
 const outputTypes: string[] = ['cell', 'organ', 'gene', 'cluster'];
 
 const inputTypes: InputTypes = {
@@ -12,4 +14,4 @@ const inputTypes: InputTypes = {
 
 const genomicModalities: string[] = ['rna', 'atac']; // Used for quantitative gene->cell queries
 
-export { outputTypes, inputTypes, genomicModalities };
+export { HANDLE, outputTypes, inputTypes, genomicModalities };

src/internal/internal.types.ts

@@ -30,4 +30,8 @@ interface RequestObjectTypes {
   /* eslint-enable camelcase */
 }
 
-export { InputTypes, CheckParametersTypes, RequestObjectParametersTypes, RequestObjectTypes };
+interface HubmapQueryParameters extends RequestObjectParametersTypes {
+  limit?: number;
+}
+
+export { InputTypes, CheckParametersTypes, RequestObjectParametersTypes, RequestObjectTypes, HubmapQueryParameters };