diff --git a/src/extractors/exported.js b/src/extractors/exported.js
index 4470cb452..da6f8955b 100644
--- a/src/extractors/exported.js
+++ b/src/extractors/exported.js
@@ -15,6 +15,8 @@ const traverse = babelTraverse.default || babelTraverse;
* and inserting blank comments into documentation.js's processing stream.
* Through inference steps, these comments gain more information and are automatically
* documented as well as we can.
+ * @param {Object} config
+ * @param {Object} [config.extensions] extensions to try when resolving
* @param {Object} ast the babel-parsed syntax tree
* @param {Object} data the name of the file
* @param {Function} addComment a method that creates a new comment if necessary
@@ -22,6 +24,7 @@ const traverse = babelTraverse.default || babelTraverse;
* @private
*/
export default function walkExported(
+ config /* { extensions?: string[] } */,
ast,
data /*: {
file: string
@@ -120,7 +123,8 @@ export default function walkExported(
local,
exportKind,
filename,
- source.value
+ source.value,
+ config.extensions
);
bindingPath = tmp.ast;
specData = tmp.data;
@@ -181,16 +185,40 @@ function traverseExportedSubtree(path, data, addComments, overrideName) {
}
}
-function getCachedData(dataCache, filePath) {
- let path = filePath;
- if (!nodePath.extname(path)) {
- path = require.resolve(path);
+function resolveFile(filePath, extensions = []) {
+ try {
+ // First try resolving the file with the default extensions.
+ return require.resolve(filePath);
+ } catch {
+ // If that fails, try resolving the file with the extensions passed in.
}
+ // Then try all other extensions in order.
+ for (const extension of extensions) {
+ try {
+ return require.resolve(
+ `${filePath}${extension.startsWith('.') ? extension : `.${extension}`}`
+ );
+ } catch {
+ continue;
+ }
+ }
+
+ throw new Error(
+ `Could not resolve \`${filePath}\` with any of the extensions: ${[
+ ...require.extensions,
+ ...extensions
+ ].join(', ')}`
+ );
+}
+
+function getCachedData(dataCache, filePath, extensions) {
+ const path = resolveFile(filePath, extensions);
+
let value = dataCache.get(path);
if (!value) {
const input = fs.readFileSync(path, 'utf-8');
- const ast = parseToAst(input, filePath);
+ const ast = parseToAst(input, path);
value = {
data: {
file: path,
@@ -209,10 +237,11 @@ function findExportDeclaration(
name,
exportKind,
referrer,
- filename
+ filename,
+ extensions
) {
const depPath = nodePath.resolve(nodePath.dirname(referrer), filename);
- const tmp = getCachedData(dataCache, depPath);
+ const tmp = getCachedData(dataCache, depPath, extensions);
const ast = tmp.ast;
let data = tmp.data;
@@ -273,7 +302,8 @@ function findExportDeclaration(
local,
exportKind,
depPath,
- source.value
+ source.value,
+ extensions
);
rv = tmp.ast;
data = tmp.data;
diff --git a/src/parsers/javascript.js b/src/parsers/javascript.js
index d4a72399d..880af6547 100644
--- a/src/parsers/javascript.js
+++ b/src/parsers/javascript.js
@@ -24,9 +24,13 @@ export default function parseJavaScript(data, config) {
const ast = parseToAst(data.source, data.file);
const addComment = _addComment.bind(null, visited, commentsByNode);
+ const extensions = []
+ .concat(config.parseExtension, config.requireExtension)
+ .filter(Boolean);
+
return _.flatMap(
config.documentExported
- ? [walkExported]
+ ? [walkExported.bind(null, { extensions })]
: [
walkComments.bind(null, 'leadingComments', true),
walkComments.bind(null, 'innerComments', false),
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