deps: [email protected]

node_modules/fastest-levenshtein/bench.js

@@ -0,0 +1,96 @@
+"use strict";
+exports.__esModule = true;
+/* eslint-disable @typescript-eslint/no-var-requires */
+/* eslint-disable no-console */
+var Benchmark = require("benchmark");
+var mod_js_1 = require("./mod.js");
+var fast_levenshtein_1 = require("fast-levenshtein");
+var fs = require("fs");
+var jslevenshtein = require("js-levenshtein");
+var leven = require("leven");
+var levenshteinEditDistance = require("levenshtein-edit-distance");
+var suite = new Benchmark.Suite();
+var randomstring = function (length) {
+    var result = "";
+    var characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+    var charactersLength = characters.length;
+    for (var i = 0; i < length; i++) {
+        result += characters.charAt(Math.floor(Math.random() * charactersLength));
+    }
+    return result;
+};
+var randomstringArr = function (stringSize, arraySize) {
+    var i = 0;
+    var arr = [];
+    for (i = 0; i < arraySize; i++) {
+        arr.push(randomstring(stringSize));
+    }
+    return arr;
+};
+var arrSize = 1000;
+if (!fs.existsSync("data.json")) {
+    var data_1 = [
+        randomstringArr(4, arrSize),
+        randomstringArr(8, arrSize),
+        randomstringArr(16, arrSize),
+        randomstringArr(32, arrSize),
+        randomstringArr(64, arrSize),
+        randomstringArr(128, arrSize),
+        randomstringArr(256, arrSize),
+        randomstringArr(512, arrSize),
+        randomstringArr(1024, arrSize),
+    ];
+    fs.writeFileSync("data.json", JSON.stringify(data_1));
+}
+var data = JSON.parse(fs.readFileSync("data.json", "utf8"));
+var _loop_1 = function (i) {
+    var datapick = data[i];
+    if (process.argv[2] !== "no") {
+        suite
+            .add("".concat(i, " - js-levenshtein"), function () {
+            for (var j = 0; j < arrSize - 1; j += 2) {
+                jslevenshtein(datapick[j], datapick[j + 1]);
+            }
+        })
+            .add("".concat(i, " - leven"), function () {
+            for (var j = 0; j < arrSize - 1; j += 2) {
+                leven(datapick[j], datapick[j + 1]);
+            }
+        })
+            .add("".concat(i, " - fast-levenshtein"), function () {
+            for (var j = 0; j < arrSize - 1; j += 2) {
+                (0, fast_levenshtein_1.get)(datapick[j], datapick[j + 1]);
+            }
+        })
+            .add("".concat(i, " - levenshtein-edit-distance"), function () {
+            for (var j = 0; j < arrSize - 1; j += 2) {
+                levenshteinEditDistance(datapick[j], datapick[j + 1]);
+            }
+        });
+    }
+    suite.add("".concat(i, " - fastest-levenshtein"), function () {
+        for (var j = 0; j < arrSize - 1; j += 2) {
+            (0, mod_js_1.distance)(datapick[j], datapick[j + 1]);
+        }
+    });
+};
+// BENCHMARKS
+for (var i = 0; i < 9; i++) {
+    _loop_1(i);
+}
+var results = new Map();
+suite
+    .on("cycle", function (event) {
+    console.log(String(event.target));
+    if (results.has(event.target.name[0])) {
+        results.get(event.target.name[0]).push(event.target.hz);
+    }
+    else {
+        results.set(event.target.name[0], [event.target.hz]);
+    }
+})
+    .on("complete", function () {
+    console.log(results);
+})
+    // run async
+    .run({ async: true });

node_modules/fastest-levenshtein/esm/mod.d.ts

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+declare const distance: (a: string, b: string) => number;
+declare const closest: (str: string, arr: readonly string[]) => string;
+export { closest, distance };
+//# sourceMappingURL=mod.d.ts.map

node_modules/fastest-levenshtein/esm/mod.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"mod.d.ts","sourceRoot":"","sources":["../mod.ts"],"names":[],"mappings":"AAiHA,QAAA,MAAM,QAAQ,MAAO,MAAM,KAAK,MAAM,KAAG,MAaxC,CAAC;AAEF,QAAA,MAAM,OAAO,QAAS,MAAM,OAAO,SAAS,MAAM,EAAE,KAAG,MAWtD,CAAC;AAEF,OAAO,EAAE,OAAO,EAAE,QAAQ,EAAE,CAAC"}

node_modules/fastest-levenshtein/esm/mod.js

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+const peq = new Uint32Array(0x10000);
+const myers_32 = (a, b) => {
+    const n = a.length;
+    const m = b.length;
+    const lst = 1 << (n - 1);
+    let pv = -1;
+    let mv = 0;
+    let sc = n;
+    let i = n;
+    while (i--) {
+        peq[a.charCodeAt(i)] |= 1 << i;
+    }
+    for (i = 0; i < m; i++) {
+        let eq = peq[b.charCodeAt(i)];
+        const xv = eq | mv;
+        eq |= ((eq & pv) + pv) ^ pv;
+        mv |= ~(eq | pv);
+        pv &= eq;
+        if (mv & lst) {
+            sc++;
+        }
+        if (pv & lst) {
+            sc--;
+        }
+        mv = (mv << 1) | 1;
+        pv = (pv << 1) | ~(xv | mv);
+        mv &= xv;
+    }
+    i = n;
+    while (i--) {
+        peq[a.charCodeAt(i)] = 0;
+    }
+    return sc;
+};
+const myers_x = (b, a) => {
+    const n = a.length;
+    const m = b.length;
+    const mhc = [];
+    const phc = [];
+    const hsize = Math.ceil(n / 32);
+    const vsize = Math.ceil(m / 32);
+    for (let i = 0; i < hsize; i++) {
+        phc[i] = -1;
+        mhc[i] = 0;
+    }
+    let j = 0;
+    for (; j < vsize - 1; j++) {
+        let mv = 0;
+        let pv = -1;
+        const start = j * 32;
+        const vlen = Math.min(32, m) + start;
+        for (let k = start; k < vlen; k++) {
+            peq[b.charCodeAt(k)] |= 1 << k;
+        }
+        for (let i = 0; i < n; i++) {
+            const eq = peq[a.charCodeAt(i)];
+            const pb = (phc[(i / 32) | 0] >>> i) & 1;
+            const mb = (mhc[(i / 32) | 0] >>> i) & 1;
+            const xv = eq | mv;
+            const xh = ((((eq | mb) & pv) + pv) ^ pv) | eq | mb;
+            let ph = mv | ~(xh | pv);
+            let mh = pv & xh;
+            if ((ph >>> 31) ^ pb) {
+                phc[(i / 32) | 0] ^= 1 << i;
+            }
+            if ((mh >>> 31) ^ mb) {
+                mhc[(i / 32) | 0] ^= 1 << i;
+            }
+            ph = (ph << 1) | pb;
+            mh = (mh << 1) | mb;
+            pv = mh | ~(xv | ph);
+            mv = ph & xv;
+        }
+        for (let k = start; k < vlen; k++) {
+            peq[b.charCodeAt(k)] = 0;
+        }
+    }
+    let mv = 0;
+    let pv = -1;
+    const start = j * 32;
+    const vlen = Math.min(32, m - start) + start;
+    for (let k = start; k < vlen; k++) {
+        peq[b.charCodeAt(k)] |= 1 << k;
+    }
+    let score = m;
+    for (let i = 0; i < n; i++) {
+        const eq = peq[a.charCodeAt(i)];
+        const pb = (phc[(i / 32) | 0] >>> i) & 1;
+        const mb = (mhc[(i / 32) | 0] >>> i) & 1;
+        const xv = eq | mv;
+        const xh = ((((eq | mb) & pv) + pv) ^ pv) | eq | mb;
+        let ph = mv | ~(xh | pv);
+        let mh = pv & xh;
+        score += (ph >>> (m - 1)) & 1;
+        score -= (mh >>> (m - 1)) & 1;
+        if ((ph >>> 31) ^ pb) {
+            phc[(i / 32) | 0] ^= 1 << i;
+        }
+        if ((mh >>> 31) ^ mb) {
+            mhc[(i / 32) | 0] ^= 1 << i;
+        }
+        ph = (ph << 1) | pb;
+        mh = (mh << 1) | mb;
+        pv = mh | ~(xv | ph);
+        mv = ph & xv;
+    }
+    for (let k = start; k < vlen; k++) {
+        peq[b.charCodeAt(k)] = 0;
+    }
+    return score;
+};
+const distance = (a, b) => {
+    if (a.length < b.length) {
+        const tmp = b;
+        b = a;
+        a = tmp;
+    }
+    if (b.length === 0) {
+        return a.length;
+    }
+    if (a.length <= 32) {
+        return myers_32(a, b);
+    }
+    return myers_x(a, b);
+};
+const closest = (str, arr) => {
+    let min_distance = Infinity;
+    let min_index = 0;
+    for (let i = 0; i < arr.length; i++) {
+        const dist = distance(str, arr[i]);
+        if (dist < min_distance) {
+            min_distance = dist;
+            min_index = i;
+        }
+    }
+    return arr[min_index];
+};
+export { closest, distance };