WIP - add extractor, generate snippet_data

node_modules/gatsby/dist/utils/worker/render-html.js

@@ -0,0 +1,47 @@
+"use strict";
+
+exports.__esModule = true;
+exports.renderHTML = renderHTML;
+
+const fs = require(`fs-extra`);
+
+const path = require(`path`);
+
+const Promise = require(`bluebird`); // copied from https://github.com/markdalgleish/static-site-generator-webpack-plugin/blob/master/index.js#L161
+
+
+const generatePathToOutput = outputPath => {
+  let outputFileName = outputPath.replace(/^(\/|\\)/, ``); // Remove leading slashes for webpack-dev-server
+
+  if (!/\.(html?)$/i.test(outputFileName)) {
+    outputFileName = path.join(outputFileName, `index.html`);
+  }
+
+  return path.join(process.cwd(), `public`, outputFileName);
+};
+
+function renderHTML({
+  htmlComponentRendererPath,
+  paths,
+  envVars
+}) {
+  // This is being executed in child process, so we need to set some vars
+  // for modules that aren't bundled by webpack.
+  envVars.forEach(([key, value]) => process.env[key] = value);
+  return Promise.map(paths, path => new Promise((resolve, reject) => {
+    const htmlComponentRenderer = require(htmlComponentRendererPath);
+
+    try {
+      htmlComponentRenderer.default(path, (throwAway, htmlString) => {
+        resolve(fs.outputFile(generatePathToOutput(path), htmlString));
+      });
+    } catch (e) {
+      // add some context to error so we can display more helpful message
+      e.context = {
+        path
+      };
+      reject(e);
+    }
+  }));
+}
+//# sourceMappingURL=render-html.js.map