From a0e3676e3aef4692732375c02c274223b3349f63 Mon Sep 17 00:00:00 2001
From: "F. Eugene Aumson" <gene@aumson.org>
Date: Sun, 1 Jul 2018 16:05:15 -0400
Subject: move abi-gen funcs from index to utils for testing

preparing for unit testing. purely refactoring (no functionality
changed).
---
 packages/abi-gen/src/utils.ts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'packages/abi-gen/src/utils.ts')

diff --git a/packages/abi-gen/src/utils.ts b/packages/abi-gen/src/utils.ts
index 66390174c..56b996ce3 100644
--- a/packages/abi-gen/src/utils.ts
+++ b/packages/abi-gen/src/utils.ts
@@ -2,6 +2,7 @@ import { AbiType, ConstructorAbi, DataItem } from 'ethereum-types';
 import * as fs from 'fs';
 import * as _ from 'lodash';
 import * as path from 'path';
+import toSnakeCase = require('to-snake-case');
 
 import { ContractsBackend, ParamKind } from './types';
 
@@ -92,4 +93,27 @@ export const utils = {
             inputs: [],
         };
     },
+    makeOutputFileName(name: string): string {
+        let fileName = toSnakeCase(name);
+        // HACK: Snake case doesn't make a lot of sense for abbreviated names but we can't reliably detect abbreviations
+        // so we special-case the abbreviations we use.
+        fileName = fileName.replace('z_r_x', 'zrx').replace('e_r_c', 'erc');
+        return fileName;
+    },
+    writeOutputFile(filePath: string, renderedTsCode: string): void {
+        fs.writeFileSync(filePath, renderedTsCode);
+    },
+    isOutputFileUpToDate(abiFile: string, outputFile: string): boolean {
+        const abiFileModTimeMs = fs.statSync(abiFile).mtimeMs;
+        try {
+            const outFileModTimeMs = fs.statSync(outputFile).mtimeMs;
+            return outFileModTimeMs > abiFileModTimeMs;
+        } catch (err) {
+            if (err.code === 'ENOENT') {
+                return false;
+            } else {
+                throw err;
+            }
+        }
+    },
 };
-- 
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