T-257 minifying of field constants

Author: lukas-reineke

generateFields.js

@@ -2,16 +2,24 @@ const { format } = require('prettier');
 
 const getBaseType = type => (type.ofType ? getBaseType(type.ofType) : type);
 
+const nameMap = {};
+
+const getName = name => {
+    const mappedName =
+        Object.keys(nameMap).find(key => nameMap[key] === name) ||
+        Object.keys(nameMap).length;
+    nameMap[mappedName] = name;
+    return mappedName;
+};
+
 const generateFields = ({ type, maxDepth }, fields, parents = []) =>
     Object.values(fields)
         .map(field => {
             const nextFields = getBaseType(field.type)._fields;
-            const value =
-                parents.map(parent => `${parent} {`).join('') +
-                field.name +
-                parents.map(_parent => '}').join('');
-
             if (!nextFields) {
+                const value = [...parents, field.name]
+                    .map(name => getName(name))
+                    .join(',');
                 return `${field.name}: ${type ? 'string' : `'${value}'`}`;
             }
             if (parents.length > maxDepth) {
@@ -29,7 +37,7 @@ const generateFields = ({ type, maxDepth }, fields, parents = []) =>
 module.exports = {
     plugin: (schema, _documents, { maxDepth, baseTypes }) => {
         const typeMap = schema.getTypeMap();
-        const final = Object.values(typeMap)
+        let final = Object.values(typeMap)
             .filter(type => baseTypes.includes(type.name))
             .map(
                 type => `export type ${type.name}Fields = {
@@ -41,6 +49,8 @@ module.exports = {
             )
             .join('');
 
+        final += `export const nameMap = ${JSON.stringify(nameMap)}`;
+
         return format(final, {
             parser: 'typescript',
             trailingComma: 'all',

index.node.js

@@ -3684,3 +3684,86 @@ export declare type TokenFields = {
     };
 };
 export declare const TokenFields: TokenFields;
+export declare const nameMap: {
+    '0': string;
+    '1': string;
+    '2': string;
+    '3': string;
+    '4': string;
+    '5': string;
+    '6': string;
+    '7': string;
+    '8': string;
+    '9': string;
+    '10': string;
+    '11': string;
+    '12': string;
+    '13': string;
+    '14': string;
+    '15': string;
+    '16': string;
+    '17': string;
+    '18': string;
+    '19': string;
+    '20': string;
+    '21': string;
+    '22': string;
+    '23': string;
+    '24': string;
+    '25': string;
+    '26': string;
+    '27': string;
+    '28': string;
+    '29': string;
+    '30': string;
+    '31': string;
+    '32': string;
+    '33': string;
+    '34': string;
+    '35': string;
+    '36': string;
+    '37': string;
+    '38': string;
+    '39': string;
+    '40': string;
+    '41': string;
+    '42': string;
+    '43': string;
+    '44': string;
+    '45': string;
+    '46': string;
+    '47': string;
+    '48': string;
+    '49': string;
+    '50': string;
+    '51': string;
+    '52': string;
+    '53': string;
+    '54': string;
+    '55': string;
+    '56': string;
+    '57': string;
+    '58': string;
+    '59': string;
+    '60': string;
+    '61': string;
+    '62': string;
+    '63': string;
+    '64': string;
+    '65': string;
+    '66': string;
+    '67': string;
+    '68': string;
+    '69': string;
+    '70': string;
+    '71': string;
+    '72': string;
+    '73': string;
+    '74': string;
+    '75': string;
+    '76': string;
+    '77': string;
+    '78': string;
+    '79': string;
+    '80': string;
+};