First Commit

html/sternwarte/checkfuehrung/node_modules/redeyed/test/redeyed-function-config-skipping-tokens.js

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+'use strict'
+
+var test = require('tape')
+var redeyed = require('..')
+
+test('given i skip 2 more tokens after each semicolon', function(t) {
+  var calls = 0
+  var opts = {
+    Punctuator: {
+      ';':  function identity(s, info) {
+              // tell it to skip past second to last token that is 2 ahead of the current one
+              calls++
+              var skipToken = info.tokens[info.tokenIndex + 2]
+              return skipToken ? { replacement: s, skipPastToken: skipToken } : s
+            }
+      }
+    }
+
+  ;[  { code: ';;;',  expectedCalls: 1 }
+  ,  { code: ';;;;',  expectedCalls: 2 }
+  ,  { code: '; ; ; ;',  expectedCalls: 2 }
+  ,  { code: ';;; ;;; ;;; ;',  expectedCalls: 4 }
+  ,  { code: ';;; ;;; ;;; ;;; ;',  expectedCalls: 5 }
+  ,  { code: ';;; ;;; ;;; ;;; ;;;',  expectedCalls: 5 }
+  ,  { code: ';;; ;;; ;;; ;;; ;;; ;',  expectedCalls: 6 }
+  ].forEach(function(x) {
+      calls = 0
+      redeyed(x.code, opts)
+      t.equals(calls, x.expectedCalls, 'calls ' + x.expectedCalls + ' times for ' + x.code)
+    })
+  t.end()
+})
+
+test('replace log', function(t) {
+  var opts = {
+    Identifier: {
+      console: function replaceLog(s, info) {
+        var code        =  info.code
+        var idx         =  info.tokenIndex
+        var tokens      =  info.tokens
+        var kind        =  tokens[idx + 2].value
+        var firstArgTkn =  tokens[idx + 4]
+        var argIdx      =  idx + 3
+        var open
+        var tkn
+
+        open = 1
+        while (open) {
+          tkn = tokens[++argIdx]
+
+          if (tkn.value === '(') open++
+          if (tkn.value === ')') open--
+        }
+
+        var argsIncludingClosingParen =  code.slice(firstArgTkn.range[0], tkn.range[1])
+        var result                    =  'log.' + kind + '("main-logger", ' + argsIncludingClosingParen
+
+        return { replacement: result, skipPastToken: tkn }
+      }
+    }
+  }
+
+  var origCode = [
+       'console.info("info ", 1);'
+     , 'console.warn("warn ", 3);'
+     , 'console.error("error ", new Error("oh my!"));'
+    ].join('\n')
+
+  var expectedCode = [
+      'log.info("main-logger", "info ", 1));'
+    , 'log.warn("main-logger", "warn ", 3));'
+    , 'log.error("main-logger", "error ", new Error("oh my!")));'
+    ].join('\n')
+  var code = redeyed(origCode, opts).code
+
+  t.equals(code, expectedCode, 'transforms all log statements')
+  t.end()
+})