fix: Support resolveJsonModule

Closes #1323.

scripts/rebuild_specs.js

@@ -21,7 +21,8 @@ app.bootstrap({
     ],
     name: 'typedoc',
     excludeExternals: true,
-    disableSources: true
+    disableSources: true,
+    resolveJsonModule: true
 });
 
 // Note that this uses the test files in dist, not in src, this is important since

src/lib/application.ts

@@ -281,6 +281,7 @@ export class Application extends ChildableComponent<
             return exclude.some(mm => mm.match(fileName));
         }
 
+        const includeJson = this.options.getCompilerOptions().resolveJsonModule;
         const supportedFileRegex = this.options.getCompilerOptions().allowJs ? /\.[tj]sx?$/ : /\.tsx?$/;
         function add(file: string, entryPoint: boolean) {
             let stats: FS.Stats;
@@ -305,6 +306,8 @@ export class Application extends ChildableComponent<
                 });
             } else if (supportedFileRegex.test(file)) {
                 files.push(file);
+            } else if (includeJson && file.endsWith('.json')) {
+                files.push(file);
             }
         }
 

src/lib/converter/converter.ts

@@ -250,7 +250,9 @@ export class Converter extends ChildableComponent<Application, ConverterComponen
      * @param fileNames  Array of the file names that should be compiled.
      */
     convert(fileNames: string[]): ConverterResult {
-        const normalizedFiles = fileNames.map(normalizePath);
+        // JSON files should never result in extra members in the documentation, but need to be included so that TS
+        // can find them.
+        const normalizedFiles = fileNames.map(normalizePath).filter(path => !path.endsWith('.json'));
 
         const program = ts.createProgram(normalizedFiles, this.application.options.getCompilerOptions());
         const checker = program.getTypeChecker();

src/test/converter.test.ts

@@ -20,7 +20,8 @@ describe('Converter', function() {
         name: 'typedoc',
         ignoreCompilerErrors: true,
         excludeExternals: true,
-        disableSources: true
+        disableSources: true,
+        resolveJsonModule: true
     });
 
     const checks: [string, () => void, () => void][] = [

src/test/converter/exports/export.ts

@@ -11,3 +11,8 @@ function add(x: number, y: number) {
 // Note that this will show up in the docs, not the default function from mod2.
 // export * from './mod2' does *not* re-export the default function.
 export default function (a: number) {}
+
+import * as x from './test.json';
+
+/** @hidden */
+const x2: string = x.issue;

src/test/converter/exports/test.json

@@ -0,0 +1,3 @@
+{
+    "issue": "https://github.com/TypeStrong/typedoc/issues/1323"
+}