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chore(utils): improve stripWhitespace utility #9668

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merged 1 commit into from Aug 13, 2021
Merged

chore(utils): improve stripWhitespace utility #9668

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3 changes: 2 additions & 1 deletion packages/utils/src/lang.js
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Expand Up @@ -29,7 +29,8 @@ const WHITESPACE_REPLACEMENTS = [
[/{\n{2,}/g, '{\n'], // strip start padding from blocks
[/\n{2,}([ \t\f\r]*})/g, '\n$1'], // strip end padding from blocks
[/\n{3,}/g, '\n\n'], // strip multiple blank lines (1 allowed)
[/\n{2,}$/g, '\n'] // strip blank lines EOF (0 allowed)
[/^\n+/, ''], // strip blank lines at the beginning of a string
[/\n{2,}$/, '\n'] // strip blank lines at the end of a string
]

export const stripWhitespace = function stripWhitespace (string) {
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10 changes: 5 additions & 5 deletions packages/utils/test/lang.test.js
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Expand Up @@ -36,12 +36,12 @@ describe('util: lang', () => {
})

test('should strip white spaces in given argument', () => {
expect(stripWhitespace('foo')).toEqual('foo')
expect(stripWhitespace('foo\t\r\f\n')).toEqual('foo\n')
expect(stripWhitespace('foo{\n\n\n')).toEqual('foo{\n')
expect(stripWhitespace('\n\n\n\f\r\f}')).toEqual('\n\f\r\f}')
expect(stripWhitespace('foo\t\r \f\nbar')).toEqual('foo\nbar')
expect(stripWhitespace('foo{\n\n\nbar')).toEqual('foo{\nbar')
expect(stripWhitespace('foo\n\n\n\t \r\f}')).toEqual('foo\n\t \r\f}')
expect(stripWhitespace('foo\n\n\nbar')).toEqual('foo\n\nbar')
expect(stripWhitespace('foo\n\n\n')).toEqual('foo\n')
expect(stripWhitespace('\n\nfoo\n')).toEqual('foo\n')
expect(stripWhitespace('foo\n\n')).toEqual('foo\n')
})

test('should encode html', () => {
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