119 lines
2.3 KiB
JavaScript
119 lines
2.3 KiB
JavaScript
import { IndexInterface } from "../../type.js";
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import { encode as encode_simple } from "./simple.js";
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// custom soundex implementation
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export const rtl = /* normalize: */ /* collapse: */
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/* normalize: */ /* collapse: */ /* normalize: */ /* collapse: */!1;
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export const tokenize = "strict";
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export default {
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encode: encode,
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rtl: !1,
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tokenize: "strict"
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//const regex_whitespace = /[\W_]+/g;
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};const regex_strip = /[^a-z0-9]+/,
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soundex = {
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b: "p",
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//"p": "p",
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//"f": "f",
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v: "f", w: "f",
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//"s": "s",
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z: "s",
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x: "s",
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ß: "s",
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d: "t",
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//"t": "t",
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//"l": "l",
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//"m": "m",
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n: "m",
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c: "k",
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g: "k",
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j: "k",
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//"k": "k",
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q: "k",
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//"r": "r",
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//"h": "h",
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//"a": "a",
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//"e": "e",
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i: "e",
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y: "e",
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//"o": "o",
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u: "o"
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};
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// const pairs = [
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// regex_whitespace, " ",
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// regex_strip, ""
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// ];
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// modified
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/**
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* @param {string|number} str
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* @this IndexInterface
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*/
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export function encode(str) {
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str = encode_simple.call(this, str).join(" ");
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// str = this.pipeline(
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//
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// /* string: */ normalize("" + str).toLowerCase(),
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// /* normalize: */ false,
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// /* split: */ false,
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// /* collapse: */ false
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// );
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const result = [];
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if (str) {
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const words = str.split(regex_strip),
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length = words.length;
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for (let x = 0, tmp, count = 0; x < length; x++) {
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if ((str = words[x]) && ( /*&& (str.length > 2)*/!this.filter || !this.filter[str])) {
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tmp = str[0];
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let code = soundex[tmp] || tmp,
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previous = code; //str[0];
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//soundex[code] || code;
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for (let i = 1; i < str.length; i++) {
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tmp = str[i];
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const current = soundex[tmp] || tmp;
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if (current && current !== previous) {
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code += current;
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previous = current;
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// if(code.length === 7){
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//
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// break;
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// }
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}
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}
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result[count++] = code; //(code + "0000").substring(0, 4);
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}
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}
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}
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return result;
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} |