add linting (and some initial fixes)

1 files changed, 64 insertions, 0 deletions

diff --git a/node_modules/hullabaloo-config-manager/lib/codegen.js b/node_modules/hullabaloo-config-manager/lib/codegen.js
new file mode 100644
index 000000000..0f95284d2
--- /dev/null
+++ b/node_modules/hullabaloo-config-manager/lib/codegen.js
@@ -0,0 +1,64 @@
+'use strict'
+
+const indentString = require('indent-string')
+const stringifyJson5 = require('json5').stringify
+
+function stringify (json5, value) {
+  return json5
+    ? stringifyJson5(value, null, 2)
+    : JSON.stringify(value, null, 2)
+}
+
+function generateFactory (unflattened, envName) {
+  const code = [`${envName ? '()' : 'envName'} => {`]
+
+  if (envName) {
+    const flattenedOptions = unflattened.reduceRight((prev, options) => {
+      options.env = {
+        [envName]: prev
+      }
+      return options
+    })
+    code.push(indentString(`return ${stringify(unflattened.json5, flattenedOptions)}`, 2))
+  } else {
+    const optionsCode = unflattened.reduceRight((prev, options, index) => {
+      const str = stringify(unflattened.json5, options)
+      if (!prev) return str
+
+      // reduceOptions ensures no options object is ever empty.
+      const lines = str.split('\n')
+      lines[lines.length - 2] += ','
+      lines[lines.length - 1] = indentString(`env: {\n  [envName]: ${indentString(prev, 2).trimLeft()}\n}`, 2)
+      return lines.join('\n') + '\n}'
+    }, null)
+
+    code.push(indentString(`return ${optionsCode.trimLeft()}`, 2))
+  }
+
+  code.push('}')
+  return code.join('\n')
+}
+
+function codegen (resolvedConfig) {
+  const code = [`"use strict"
+
+const process = require("process")\n`]
+  code.push(`const defaultOptions = ${generateFactory(resolvedConfig.unflattenedDefaultOptions)}\n`)
+
+  code.push(`const envOptions = Object.create(null)\n`)
+  for (const envName of resolvedConfig.envNames) {
+    const unflattened = resolvedConfig.unflattenedEnvOptions.get(envName)
+    code.push(`envOptions[${JSON.stringify(envName)}] = ${generateFactory(unflattened, envName)}\n`)
+  }
+
+  code.push(`exports.getOptions = () => {
+  const envName = process.env.BABEL_ENV || process.env.NODE_ENV || "development"
+  return envName in envOptions
+    ? envOptions[envName]()
+    : defaultOptions(envName)
+}\n`)
+
+  return code.join('\n')
+}
+
+module.exports = codegen