51 lines
1.1 KiB
TypeScript
51 lines
1.1 KiB
TypeScript
/**
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* External dependencies
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*/
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import { __, sprintf } from '@wordpress/i18n';
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/**
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* Checks if value passed is a string, throws an error if not.
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*/
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export const mustBeString = ( value: unknown ): true | Error => {
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if ( typeof value !== 'string' ) {
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throw Error(
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sprintf(
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/* translators: %s is type of value passed */
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__(
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'Returned value must be a string, you passed "%s"',
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'woo-gutenberg-products-block'
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),
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typeof value
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)
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);
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}
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return true;
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};
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/**
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* Checks if value passed contain passed label.
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*/
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export const mustContain = ( value: string, label: string ): true | Error => {
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if ( ! value.includes( label ) ) {
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throw Error(
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sprintf(
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/* translators: %1$s value passed to filter, %2$s : value that must be included. */
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__(
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'Returned value must include %1$s, you passed "%2$s"',
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'woo-gutenberg-products-block'
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),
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value,
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label
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)
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);
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}
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return true;
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};
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/**
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* A function that always return true.
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* We need to have a single instance of this function so it doesn't
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* invalidate our memo comparison.
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*/
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export const returnTrue = (): true => true;
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