Method getDependencies

src/backend/function-node.js:680–798

* * @param ast * @param dependencies * @param isNotSafe * @return {Array}

(ast, dependencies, isNotSafe)

   * @return {Array}
   */
  getDependencies(ast, dependencies, isNotSafe) {
    if (!dependencies) {
      dependencies = [];
    }
    if (!ast) return null;
    if (Array.isArray(ast)) {
      for (let i = 0; i < ast.length; i++) {
        this.getDependencies(ast[i], dependencies, isNotSafe);
      }
      return dependencies;
    }
    switch (ast.type) {
      case 'AssignmentExpression':
        this.getDependencies(ast.left, dependencies, isNotSafe);
        this.getDependencies(ast.right, dependencies, isNotSafe);
        return dependencies;
      case 'ConditionalExpression':
        this.getDependencies(ast.test, dependencies, isNotSafe);
        this.getDependencies(ast.alternate, dependencies, isNotSafe);
        this.getDependencies(ast.consequent, dependencies, isNotSafe);
        return dependencies;
      case 'Literal':
        dependencies.push({
          origin: 'literal',
          value: ast.value,
          isSafe: isNotSafe === true ? false : ast.value > -Infinity && ast.value < Infinity && !isNaN(ast.value)
        });
        break;
      case 'VariableDeclarator':
        return this.getDependencies(ast.init, dependencies, isNotSafe);
      case 'Identifier':
        const declaration = this.getDeclaration(ast);
        if (declaration) {
          dependencies.push({
            name: ast.name,
            origin: 'declaration',
            isSafe: isNotSafe ? false : this.isSafeDependencies(declaration.dependencies),
          });
        } else if (this.argumentNames.indexOf(ast.name) > -1) {
          dependencies.push({
            name: ast.name,
            origin: 'argument',
            isSafe: false,
          });
        } else if (this.strictTypingChecking) {
          throw new Error(`Cannot find identifier origin "${ast.name}"`);
        }
        break;
      case 'FunctionDeclaration':
        return this.getDependencies(ast.body.body[ast.body.body.length - 1], dependencies, isNotSafe);
      case 'ReturnStatement':
        return this.getDependencies(ast.argument, dependencies);
      case 'BinaryExpression':
      case 'LogicalExpression':
        isNotSafe = (ast.operator === '/' || ast.operator === '*');
        this.getDependencies(ast.left, dependencies, isNotSafe);
        this.getDependencies(ast.right, dependencies, isNotSafe);
        return dependencies;