35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
JavaScript
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class AsciiScanner {
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static ASCII_REGEX = /([\u{00e1}-\u{FFFF}]+)/gu;
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constructor(inputElement, matchesOutput, textOutput) {
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this.inputElement = inputElement;
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this.matchesOutput = matchesOutput;
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this.textOutput = textOutput;
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}
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start() {
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this.inputElement.addEventListener('input', (event) => {
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const text = event.target.value;
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this.onTextChange(text);
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})
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}
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onTextChange(newText) {
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const output = newText.replace(AsciiScanner.ASCII_REGEX, (match) => {
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return `<span class='invalid'>${match}</span>`;
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});
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this.textOutput.innerHTML = output;
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const errors = ((newText || '').match(AsciiScanner.ASCII_REGEX) || []).length;
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this.matchesOutput.innerHTML = `Found: ${errors} non-ASCII blocks`
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}
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}
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window.onload = function() {
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const scanner = new AsciiScanner(
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document.getElementById('text-input'),
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document.getElementById('matches-output'),
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document.getElementById('text-output'));
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scanner.start();
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}
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