fix(cli): validate the base path

Author: hiroppy

packages/fusuma/CHANGELOG.md

@@ -5,26 +5,16 @@ See [Conventional Commits](https://conventionalcommits.org) for commit guideline
 
 # [2.0.0-alpha.5](https://github.com/hiroppy/fusuma/compare/v2.0.0-alpha.4...v2.0.0-alpha.5) (2021-01-19)
 
-
 ### Features
 
-* **cli:** add basePath option ([1bbee94](https://github.com/hiroppy/fusuma/commit/1bbee94ab9f014df26cf9f4ae0f7f0130a7a5ce9))
-
-
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+- **cli:** add basePath option ([1bbee94](https://github.com/hiroppy/fusuma/commit/1bbee94ab9f014df26cf9f4ae0f7f0130a7a5ce9))
 
 # [2.0.0-alpha.4](https://github.com/hiroppy/fusuma/compare/v2.0.0-alpha.3...v2.0.0-alpha.4) (2021-01-19)
 
-
 ### Bug Fixes
 
-* **build:** modify screenshot logic ([735edfb](https://github.com/hiroppy/fusuma/commit/735edfb1bbb13bdbbda4ddab6e798fbc2a917663))
-* some bugs ([3191dcc](https://github.com/hiroppy/fusuma/commit/3191dcc2a8e9c8aab360071d0756ce7141163ee4))
-
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+- **build:** modify screenshot logic ([735edfb](https://github.com/hiroppy/fusuma/commit/735edfb1bbb13bdbbda4ddab6e798fbc2a917663))
+- some bugs ([3191dcc](https://github.com/hiroppy/fusuma/commit/3191dcc2a8e9c8aab360071d0756ce7141163ee4))
 
 # [1.16.0](https://github.com/hiroppy/fusuma/compare/v1.15.2...v1.16.0) (2020-02-17)
 

packages/fusuma/src/cli/index.js

@@ -62,7 +62,7 @@ async function cli() {
           type: 'deploy',
           options: {
             basePath: options.b,
-            outputDir: options.i
+            outputDir: options.i,
           },
         });
       })

packages/fusuma/src/tasks/index.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const { join } = require('path');
+const { join, isAbsolute } = require('path');
 const fusuma = require('../configs/fusumarc');
 const init = require('./init');
 const start = require('./start');
@@ -9,7 +9,10 @@ const deploy = require('./deploy');
 const pdf = require('./pdf');
 
 async function tasks({ type, options }) {
-  const { basePath, inputDir, outputDir } = options;
+  const { inputDir, outputDir } = options;
+  const basePath = isAbsolute(options.basePath)
+    ? options.basePath
+    : join(process.cwd(), options.basePath);
   const inputDirPath = join(basePath, inputDir || 'slides');
   const outputDirPath = join(basePath, outputDir || 'dist');
   let config = {};