58f8093689
- Updated all component headers and documentation
- Changed navbar and footer branding
- Updated homepage hero badge
- Modified page title in index.html
- Simplified footer text to 'Built with ❤️'
- Consistent V2 capitalization across all references
38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
export function isStream(stream, {checkOpen = true} = {}) {
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return stream !== null
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&& typeof stream === 'object'
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&& (stream.writable || stream.readable || !checkOpen || (stream.writable === undefined && stream.readable === undefined))
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&& typeof stream.pipe === 'function';
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}
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export function isWritableStream(stream, {checkOpen = true} = {}) {
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return isStream(stream, {checkOpen})
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&& (stream.writable || !checkOpen)
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&& typeof stream.write === 'function'
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&& typeof stream.end === 'function'
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&& typeof stream.writable === 'boolean'
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&& typeof stream.writableObjectMode === 'boolean'
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&& typeof stream.destroy === 'function'
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&& typeof stream.destroyed === 'boolean';
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}
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export function isReadableStream(stream, {checkOpen = true} = {}) {
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return isStream(stream, {checkOpen})
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&& (stream.readable || !checkOpen)
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&& typeof stream.read === 'function'
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&& typeof stream.readable === 'boolean'
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&& typeof stream.readableObjectMode === 'boolean'
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&& typeof stream.destroy === 'function'
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&& typeof stream.destroyed === 'boolean';
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}
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export function isDuplexStream(stream, options) {
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return isWritableStream(stream, options)
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&& isReadableStream(stream, options);
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}
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export function isTransformStream(stream, options) {
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return isDuplexStream(stream, options)
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&& typeof stream._transform === 'function';
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}
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