58 lines
1.2 KiB
JavaScript
58 lines
1.2 KiB
JavaScript
// jshint asi:true
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var words
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function addWords(wl) {
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words = wl.split("\n")
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let re = document.querySelector("#regexp")
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re.value = ""
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re.disabled = false
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re.focus()
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re.dispatchEvent(new Event("input"))
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}
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function regexInput(e) {
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let re = new RegExp(e.target.value, "u")
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let matches = document.querySelector("#matches")
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while (matches.firstChild) {
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matches.firstChild.remove()
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}
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let nmatches = 0
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for (let word of words) {
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if (word.match(re)) {
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let li = matches.appendChild(document.createElement("li"))
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li.textContent = word
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nmatches += 1
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if (nmatches > 50) {
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li.textContent = "…"
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break
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}
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}
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}
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}
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function anchorToggle(e) {
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let re = document.querySelector("#regexp")
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let val = re.value.replace(/^\^|\$$/g, "")
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if (val == re.value) {
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val = "^" + val + "$"
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}
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re.value = val
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re.focus()
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re.dispatchEvent(new Event("input"))
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}
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function init(e) {
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fetch("words.txt")
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.then(r => r.text())
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.then(addWords)
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document.querySelector("#regexp").addEventListener("input", regexInput)
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document.querySelector("#anchor").addEventListener("click", anchorToggle)
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}
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window.addEventListener("load", init)
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