seatable-html-page-booking/vite-custom-plugin-import.js at main · seatable/seatable-html-page-booking · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
export default function viteCustomPluginImport(options = {}) {
  const {
    libraryName,
    libraryDirectory = 'lib',
    camel2DashComponentName = false,
    camel2UnderlineComponentName = false,
    style = false,
    styleLibraryDirectory = 'lib',
  } = options;

  if (!libraryName) {
    throw new Error('vite-custom-plugin-import: libraryName is required');
  }
  const escapedLibraryName = libraryName.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
  return {
    name: 'vite-custom-plugin-import',
    enforce: 'pre',
    transform(code, id) {
      // support file types
      if (!/\.(jsx?|tsx?|vue)$/.test(id)) {
        return null;
      }

      // excludes node_modules
      if (id.includes('node_modules') && !id.includes(libraryName)) {
        return null;
      }

      //  check lib
      if (!code.includes(libraryName)) {
        return null;
      }

      let transformedCode = code;
      let hasTransformed = false;

      // match imports: import { Button } from 'library-name'
      const importRegex = new RegExp(
        `import\\s+{([^}]+)}\\s+from\\s+['"]${escapedLibraryName}['"]`,
        'g'
      );

      transformedCode = transformedCode.replace(importRegex, (match, imports) => {
        hasTransformed = true;

        // parse components
        const components = imports
          .split(',')
          .map(item => item.trim())
          .filter(Boolean)
          .map(item => {
            // handle rename: { Button as Btn }
            const asMatch = item.match(/^(\w+)\s+as\s+(\w+)$/);
            if (asMatch) {
              return {
                imported: asMatch[1].trim(),
                local: asMatch[2].trim(),
              };
            }
            return {
              imported: item.trim(),
              local: item.trim(),
            };
          });

        // generate new imports
        const newImports = components.map(({ imported, local }) => {
          // trans component name
          const componentPath = transformComponentName(
            imported,
            camel2DashComponentName,
            camel2UnderlineComponentName
          );

          // generate component import path
          const componentImportPath = `${libraryName}/${libraryDirectory}/${componentPath}`;
          let importStatement = '';
          if (local === imported) {
            importStatement = `import ${local} from '${componentImportPath}';`;
          } else {
            importStatement = `import ${imported} as ${local} from '${componentImportPath}';`;
          }

          // import style if required
          if (style) {
            const stylePath = getStylePath(
              libraryName,
              styleLibraryDirectory,
              componentPath,
              style
            );
            if (stylePath) {
              importStatement += `\nimport '${stylePath}';`;
            }
          }
          return importStatement;
        });
        return newImports.join('\n');
      });

      if (!hasTransformed) {
        return null;
      }

      return {
        code: transformedCode,
        map: null,
      };
    },
  };
}

// trans component name
function transformComponentName(name, camel2Dash, camel2Underline) {
  if (camel2Dash) {
    // MyButton -> my-button
    return name.replace(/([A-Z])/g, '-$1').toLowerCase().replace(/^-/, '');
  }
  if (camel2Underline) {
    // MyButton -> my_button
    return name.replace(/([A-Z])/g, '_$1').toLowerCase().replace(/^_/, '');
  }
  return name;
}

// get style file path
function getStylePath(libraryName, styleLibraryDirectory, componentPath, style) {
  if (!style) {
    return null;
  }

  if (typeof style === 'string') {
    return style.replace('[name]', componentPath);
  }

  if (typeof styleLibraryDirectory === 'function') {
    return styleLibraryDirectory(componentPath);
  }

  if (style === true || style === 'css') {
    return `${libraryName}/${styleLibraryDirectory}/${componentPath}/style/css`;
  }

  if (style === 'less') {
    return `${libraryName}/${styleLibraryDirectory}/${componentPath}/style`;
  }

  return null;
}