35 lines
814 B
JavaScript
35 lines
814 B
JavaScript
import {getCategory, isAmbiguous, isFullwidth, isWide} from './lookup.js';
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function validate(codePoint) {
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if (!Number.isSafeInteger(codePoint)) {
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throw new TypeError(`Expected a code point, got \`${typeof codePoint}\`.`);
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}
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}
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export function eastAsianWidthType(codePoint) {
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validate(codePoint);
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return getCategory(codePoint);
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}
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export function eastAsianWidth(codePoint, {ambiguousAsWide = false} = {}) {
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validate(codePoint);
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if (
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isFullwidth(codePoint)
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|| isWide(codePoint)
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|| (ambiguousAsWide && isAmbiguous(codePoint))
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) {
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return 2;
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}
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return 1;
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}
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// Private exports for https://github.com/sindresorhus/is-fullwidth-code-point
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export {
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isFullwidth as _isFullwidth,
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// TODO: Remove this in the next major version.
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isFullwidth as _isFullWidth,
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isWide as _isWide,
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} from './lookup.js';
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