1 files changed, 139 insertions, 0 deletions
diff --git a/node_modules/@babel/preset-env/lib/utils.js b/node_modules/@babel/preset-env/lib/utils.js
new file mode 100644
index 00000000..f09c4da5
--- /dev/null
+++ b/node_modules/@babel/preset-env/lib/utils.js
@@ -0,0 +1,139 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isRequire = exports.createImport = exports.getModulePath = exports.isPolyfillSource = exports.filterStageFromList = exports.getLowestUnreleased = exports.isUnreleasedVersion = exports.prettifyTargets = exports.prettifyVersion = exports.semverify = void 0;
+
+function _semver() {
+  const data = _interopRequireDefault(require("semver"));
+
+  _semver = function _semver() {
+    return data;
+  };
+
+  return data;
+}
+
+function _helperModuleImports() {
+  const data = require("@babel/helper-module-imports");
+
+  _helperModuleImports = function _helperModuleImports() {
+    return data;
+  };
+
+  return data;
+}
+
+var _unreleasedLabels = _interopRequireDefault(require("../data/unreleased-labels"));
+
+var _targetsParser = require("./targets-parser");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const semverify = version => {
+  if (typeof version === "string" && _semver().default.valid(version)) {
+    return version;
+  }
+
+  const split = version.toString().split(".");
+
+  while (split.length < 3) {
+    split.push("0");
+  }
+
+  return split.join(".");
+};
+
+exports.semverify = semverify;
+
+const prettifyVersion = version => {
+  if (typeof version !== "string") {
+    return version;
+  }
+
+  const parts = [_semver().default.major(version)];
+
+  const minor = _semver().default.minor(version);
+
+  const patch = _semver().default.patch(version);
+
+  if (minor || patch) {
+    parts.push(minor);
+  }
+
+  if (patch) {
+    parts.push(patch);
+  }
+
+  return parts.join(".");
+};
+
+exports.prettifyVersion = prettifyVersion;
+
+const prettifyTargets = targets => {
+  return Object.keys(targets).reduce((results, target) => {
+    let value = targets[target];
+    const unreleasedLabel = _unreleasedLabels.default[target];
+
+    if (typeof value === "string" && unreleasedLabel !== value) {
+      value = prettifyVersion(value);
+    }
+
+    results[target] = value;
+    return results;
+  }, {});
+};
+
+exports.prettifyTargets = prettifyTargets;
+
+const isUnreleasedVersion = (version, env) => {
+  const unreleasedLabel = _unreleasedLabels.default[env];
+  return !!unreleasedLabel && unreleasedLabel === version.toString().toLowerCase();
+};
+
+exports.isUnreleasedVersion = isUnreleasedVersion;
+
+const getLowestUnreleased = (a, b, env) => {
+  const unreleasedLabel = _unreleasedLabels.default[env];
+  const hasUnreleased = [a, b].some(item => item === unreleasedLabel);
+
+  if (hasUnreleased) {
+    return a === hasUnreleased ? b : a || b;
+  }
+
+  return (0, _targetsParser.semverMin)(a, b);
+};
+
+exports.getLowestUnreleased = getLowestUnreleased;
+
+const filterStageFromList = (list, stageList) => {
+  return Object.keys(list).reduce((result, item) => {
+    if (!stageList[item]) {
+      result[item] = list[item];
+    }
+
+    return result;
+  }, {});
+};
+
+exports.filterStageFromList = filterStageFromList;
+
+const isPolyfillSource = source => source === "@babel/polyfill" || source === "core-js";
+
+exports.isPolyfillSource = isPolyfillSource;
+const modulePathMap = {
+  "regenerator-runtime": "regenerator-runtime/runtime"
+};
+
+const getModulePath = mod => modulePathMap[mod] || `core-js/modules/${mod}`;
+
+exports.getModulePath = getModulePath;
+
+const createImport = (path, mod) => (0, _helperModuleImports().addSideEffect)(path, getModulePath(mod));
+
+exports.createImport = createImport;
+
+const isRequire = (t, path) => t.isExpressionStatement(path.node) && t.isCallExpression(path.node.expression) && t.isIdentifier(path.node.expression.callee) && path.node.expression.callee.name === "require" && path.node.expression.arguments.length === 1 && t.isStringLiteral(path.node.expression.arguments[0]) && isPolyfillSource(path.node.expression.arguments[0].value);
+
+exports.isRequire = isRequire;
+\ No newline at end of file