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fix: prefer-pascal-case report error for non-latin characters #122

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fix: prefer-pascal-case report error for non-latin characters #122

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34 changes: 33 additions & 1 deletion lib/rules/prefer-pascal-case.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,38 @@ import { createStorybookRule } from '../utils/create-storybook-rule'
// Rule Definition
//------------------------------------------------------------------------------

function testDigit(char: string) {
const charCode = char.charCodeAt(0);
return charCode >= 48 && charCode <= 57;
}

function testUpperCase(char: string) {
const upperCase = char.toUpperCase();
return char === upperCase && upperCase !== char.toLowerCase();
}

function testLowerCase(char: string) {
const lowerCase = char.toLowerCase();
return char === lowerCase && lowerCase !== char.toUpperCase();
}

function testPascalCase(name: string) {
if (!testUpperCase(name.charAt(0))) {
return false;
}
const anyNonAlphaNumeric = Array.prototype.some.call(
name.slice(1),
(char) => char.toLowerCase() === char.toUpperCase() && !testDigit(char)
);
if (anyNonAlphaNumeric) {
return false;
}
return Array.prototype.some.call(
name.slice(1),
(char) => testLowerCase(char) || testDigit(char)
);
}

export = createStorybookRule({
name: 'prefer-pascal-case',
defaultOptions: [],
Expand All @@ -41,7 +73,7 @@ export = createStorybookRule({
// Helpers
//----------------------------------------------------------------------

const isPascalCase = (str: string) => /^[A-Z]+([a-z0-9]?)+/.test(str)
const isPascalCase = (str: string) => testPascalCase(str)
const toPascalCase = (str: string) => {
return str
.replace(new RegExp(/[-_]+/, 'g'), ' ')
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1 change: 1 addition & 0 deletions tests/lib/rules/prefer-pascal-case.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ import ruleTester from '../../utils/rule-tester'
ruleTester.run('prefer-pascal-case', rule, {
valid: [
'export const Primary = {}',
'export const 测试 = {}',
`export const __namedExportsOrder = ['Secondary', 'Primary']`,
`export const _primary = {}`,
'export const Primary: Story = {}',
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