首次放到 git

2018-10-09 23:03:05 +08:00
commit 16cca302b7
37 changed files with 4203 additions and 0 deletions
--- a/utils/errors.js
+++ b/utils/errors.js
@@ -0,0 +1,91 @@
+'use strict';
+
+var defineProperty = require('./properties').defineProperty;
+
+var codes = { };
+
+[
+    // Unknown Error
+    'UNKNOWN_ERROR',
+
+    // Not implemented
+    'NOT_IMPLEMENTED',
+
+    // Missing new operator to an object
+    //  - name: The name of the class
+    'MISSING_NEW',
+
+
+    // Call exception
+    'CALL_EXCEPTION',
+
+
+    // Response from a server was invalid
+    //   - response: The body of the response
+    //'BAD_RESPONSE',
+
+
+    // Invalid argument (e.g. type) to a function:
+    //   - arg: The argument name that was invalid
+    //   - value: The value of the argument
+    //   - type: The type of the argument
+    //   - expected: What was expected
+    'INVALID_ARGUMENT',
+
+    // Missing argument to a function:
+    //   - arg: The argument name that is required
+    //   - count: The number of arguments received
+    //   - expectedCount: The number of arguments expected
+    'MISSING_ARGUMENT',
+
+    // Too many arguments
+    //   - count: The number of arguments received
+    //   - expectedCount: The number of arguments expected
+    'UNEXPECTED_ARGUMENT',
+
+
+    // Unsupported operation
+    //   - operation
+    'UNSUPPORTED_OPERATION',
+
+
+].forEach(function(code) {
+    defineProperty(codes, code, code);
+});
+
+
+defineProperty(codes, 'throwError', function(message, code, params) {
+    if (!code) { code = codes.UNKNOWN_ERROR; }
+    if (!params) { params = {}; }
+
+    var messageDetails = [];
+    Object.keys(params).forEach(function(key) {
+        try {
+            messageDetails.push(key + '=' + JSON.stringify(params[key]));
+        } catch (error) {
+            messageDetails.push(key + '=' + JSON.stringify(params[key].toString()));
+        }
+    });
+    var reason = message;
+    if (messageDetails.length) {
+        message += ' (' + messageDetails.join(', ') + ')';
+    }
+
+    var error = new Error(message);
+    error.reason = reason;
+    error.code = code
+
+    Object.keys(params).forEach(function(key) {
+        error[key] = params[key];
+    });
+
+    throw error;
+});
+
+defineProperty(codes, 'checkNew', function(self, kind) {
+    if (!(self instanceof kind)) {
+        codes.throwError('missing new', codes.MISSING_NEW, { name: kind.name });
+    }
+});
+
+module.exports = codes;