.

node_modules/@babel/template/lib/options.js

@@ -0,0 +1,82 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.merge = merge;
+exports.validate = validate;
+exports.normalizeReplacements = normalizeReplacements;
+
+function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
+
+function merge(a, b) {
+  const {
+    placeholderWhitelist = a.placeholderWhitelist,
+    placeholderPattern = a.placeholderPattern,
+    preserveComments = a.preserveComments,
+    syntacticPlaceholders = a.syntacticPlaceholders
+  } = b;
+  return {
+    parser: Object.assign({}, a.parser, b.parser),
+    placeholderWhitelist,
+    placeholderPattern,
+    preserveComments,
+    syntacticPlaceholders
+  };
+}
+
+function validate(opts) {
+  if (opts != null && typeof opts !== "object") {
+    throw new Error("Unknown template options.");
+  }
+
+  const _ref = opts || {},
+        {
+    placeholderWhitelist,
+    placeholderPattern,
+    preserveComments,
+    syntacticPlaceholders
+  } = _ref,
+        parser = _objectWithoutPropertiesLoose(_ref, ["placeholderWhitelist", "placeholderPattern", "preserveComments", "syntacticPlaceholders"]);
+
+  if (placeholderWhitelist != null && !(placeholderWhitelist instanceof Set)) {
+    throw new Error("'.placeholderWhitelist' must be a Set, null, or undefined");
+  }
+
+  if (placeholderPattern != null && !(placeholderPattern instanceof RegExp) && placeholderPattern !== false) {
+    throw new Error("'.placeholderPattern' must be a RegExp, false, null, or undefined");
+  }
+
+  if (preserveComments != null && typeof preserveComments !== "boolean") {
+    throw new Error("'.preserveComments' must be a boolean, null, or undefined");
+  }
+
+  if (syntacticPlaceholders != null && typeof syntacticPlaceholders !== "boolean") {
+    throw new Error("'.syntacticPlaceholders' must be a boolean, null, or undefined");
+  }
+
+  if (syntacticPlaceholders === true && (placeholderWhitelist != null || placeholderPattern != null)) {
+    throw new Error("'.placeholderWhitelist' and '.placeholderPattern' aren't compatible" + " with '.syntacticPlaceholders: true'");
+  }
+
+  return {
+    parser,
+    placeholderWhitelist: placeholderWhitelist || undefined,
+    placeholderPattern: placeholderPattern == null ? undefined : placeholderPattern,
+    preserveComments: preserveComments == null ? false : preserveComments,
+    syntacticPlaceholders: syntacticPlaceholders == null ? undefined : syntacticPlaceholders
+  };
+}
+
+function normalizeReplacements(replacements) {
+  if (Array.isArray(replacements)) {
+    return replacements.reduce((acc, replacement, i) => {
+      acc["$" + i] = replacement;
+      return acc;
+    }, {});
+  } else if (typeof replacements === "object" || replacements == null) {
+    return replacements || undefined;
+  }
+
+  throw new Error("Template replacements must be an array, object, null, or undefined");
+}