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38 lines
764 B
TypeScript
38 lines
764 B
TypeScript
// Loaded from https://deno.land/x/segno@v1.1.0/lib/validations/isByteLength.ts
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// @ts-ignore allowing typedoc to build
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import { assertString } from '../helpers/assertString.ts';
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type ByteLengthOptions = {
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/**
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* @default 0
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*/
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min?: number;
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/**
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* @default undefined
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*/
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max?: number;
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};
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/**
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* @ignore
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*/
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const defaultByteLengthOptions: ByteLengthOptions = {
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min: 0,
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};
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export const isByteLength = (str: string, options?: ByteLengthOptions) => {
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assertString(str);
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options = { ...defaultByteLengthOptions, ...options };
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let { min, max } = options;
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// force min to be 0 if undefined
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min = min || 0;
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const len = encodeURI(str).split(/%..|./).length - 1;
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return len >= min && (typeof max === 'undefined' || len <= max);
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};
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