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92 lines
3.3 KiB
92 lines
3.3 KiB
2 years ago
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.fuzzyMatches = fuzzyMatches;
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exports.getDefaultNormalizer = getDefaultNormalizer;
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exports.makeNormalizer = makeNormalizer;
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exports.matches = matches;
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function assertNotNullOrUndefined(matcher) {
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if (matcher === null || matcher === undefined) {
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throw new Error(
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// eslint-disable-next-line @typescript-eslint/restrict-template-expressions -- implicitly converting `T` to `string`
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`It looks like ${matcher} was passed instead of a matcher. Did you do something like getByText(${matcher})?`);
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}
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}
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function fuzzyMatches(textToMatch, node, matcher, normalizer) {
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if (typeof textToMatch !== 'string') {
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return false;
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}
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assertNotNullOrUndefined(matcher);
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const normalizedText = normalizer(textToMatch);
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if (typeof matcher === 'string' || typeof matcher === 'number') {
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return normalizedText.toLowerCase().includes(matcher.toString().toLowerCase());
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} else if (typeof matcher === 'function') {
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return matcher(normalizedText, node);
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} else {
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return matchRegExp(matcher, normalizedText);
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}
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}
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function matches(textToMatch, node, matcher, normalizer) {
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if (typeof textToMatch !== 'string') {
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return false;
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}
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assertNotNullOrUndefined(matcher);
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const normalizedText = normalizer(textToMatch);
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if (matcher instanceof Function) {
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return matcher(normalizedText, node);
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} else if (matcher instanceof RegExp) {
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return matchRegExp(matcher, normalizedText);
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} else {
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return normalizedText === String(matcher);
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}
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}
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function getDefaultNormalizer({
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trim = true,
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collapseWhitespace = true
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} = {}) {
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return text => {
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let normalizedText = text;
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normalizedText = trim ? normalizedText.trim() : normalizedText;
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normalizedText = collapseWhitespace ? normalizedText.replace(/\s+/g, ' ') : normalizedText;
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return normalizedText;
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};
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}
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/**
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* Constructs a normalizer to pass to functions in matches.js
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* @param {boolean|undefined} trim The user-specified value for `trim`, without
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* any defaulting having been applied
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* @param {boolean|undefined} collapseWhitespace The user-specified value for
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* `collapseWhitespace`, without any defaulting having been applied
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* @param {Function|undefined} normalizer The user-specified normalizer
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* @returns {Function} A normalizer
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*/
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function makeNormalizer({
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trim,
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collapseWhitespace,
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normalizer
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}) {
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if (!normalizer) {
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// No custom normalizer specified. Just use default.
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return getDefaultNormalizer({
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trim,
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collapseWhitespace
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});
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}
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if (typeof trim !== 'undefined' || typeof collapseWhitespace !== 'undefined') {
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// They've also specified a value for trim or collapseWhitespace
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throw new Error('trim and collapseWhitespace are not supported with a normalizer. ' + 'If you want to use the default trim and collapseWhitespace logic in your normalizer, ' + 'use "getDefaultNormalizer({trim, collapseWhitespace})" and compose that into your normalizer');
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}
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return normalizer;
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}
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function matchRegExp(matcher, text) {
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const match = matcher.test(text);
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if (matcher.global && matcher.lastIndex !== 0) {
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console.warn(`To match all elements we had to reset the lastIndex of the RegExp because the global flag is enabled. We encourage to remove the global flag from the RegExp.`);
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matcher.lastIndex = 0;
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}
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return match;
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}
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