concepts-parser/lib/filters/prefix.js

Concepts Extracting from text

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const data_1 = require("../data");
function filter(concepts, context) {
    const regexes = data_1.getValidPrefixes(context.lang);
    return concepts.filter(function (concept) {
        let text = context.text.substr(0, concept.index);
        for (let regex of regexes) {
            let result = regex.exec(text);
            if (result) {
                let value = text.substr(result.index);
                let indexSpace = 0;
                if (/^\s/.test(value)) {
                    indexSpace = 1;
                    value = value.substr(1);
                }
                concept.reset(value + concept.value, result.index + indexSpace, context.lang);
                return concept.isValid();
            }
        }
        return true;
    });
}
exports.filter = filter;