Installing dependencies.

node_modules/semantic-release/lib/plugins/utils.js

@@ -0,0 +1,68 @@
+const {dirname} = require('path');
+const {isString, isFunction, castArray, isArray, isPlainObject, isNil} = require('lodash');
+const resolveFrom = require('resolve-from');
+
+const validateSteps = (conf) => {
+  return conf.every((conf) => {
+    if (
+      isArray(conf) &&
+      (conf.length === 1 || conf.length === 2) &&
+      (isString(conf[0]) || isFunction(conf[0])) &&
+      (isNil(conf[1]) || isPlainObject(conf[1]))
+    ) {
+      return true;
+    }
+
+    conf = castArray(conf);
+
+    if (conf.length !== 1) {
+      return false;
+    }
+
+    const [name, config] = parseConfig(conf[0]);
+    return (isString(name) || isFunction(name)) && isPlainObject(config);
+  });
+};
+
+function validatePlugin(conf) {
+  return (
+    isString(conf) ||
+    (isArray(conf) &&
+      (conf.length === 1 || conf.length === 2) &&
+      (isString(conf[0]) || isPlainObject(conf[0])) &&
+      (isNil(conf[1]) || isPlainObject(conf[1]))) ||
+    (isPlainObject(conf) && (isNil(conf.path) || isString(conf.path) || isPlainObject(conf.path)))
+  );
+}
+
+function validateStep({required}, conf) {
+  conf = castArray(conf).filter(Boolean);
+  if (required) {
+    return conf.length >= 1 && validateSteps(conf);
+  }
+
+  return conf.length === 0 || validateSteps(conf);
+}
+
+function loadPlugin({cwd}, name, pluginsPath) {
+  const basePath = pluginsPath[name]
+    ? dirname(resolveFrom.silent(__dirname, pluginsPath[name]) || resolveFrom(cwd, pluginsPath[name]))
+    : __dirname;
+  return isFunction(name) ? name : require(resolveFrom.silent(basePath, name) || resolveFrom(cwd, name));
+}
+
+function parseConfig(plugin) {
+  let path;
+  let config;
+  if (isArray(plugin)) {
+    [path, config] = plugin;
+  } else if (isPlainObject(plugin) && !isNil(plugin.path)) {
+    ({path, ...config} = plugin);
+  } else {
+    path = plugin;
+  }
+
+  return [path, config || {}];
+}
+
+module.exports = {validatePlugin, validateStep, loadPlugin, parseConfig};