concepts-parser/lib/filters/index.js

Concepts Extracting from text

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const MODE_COLLECT = "collect";
const MODE_IDENTIFY = "identify";
const FILTERS_BY_MODE = {
    collect: [
        "invalid_prefix",
        "abbr",
        "invalid",
        "partial",
        "prefix",
        "suffix",
        "start_word",
        "known",
        "quote",
        "duplicate"
    ],
    identify: [
        "invalid_prefix",
        "abbr",
        "invalid",
        "prefix",
        "suffix",
        "known",
        "quote"
    ]
};
function getFilter(name) {
    return require("./" + name);
}
function filter(concepts, context, options = { mode: MODE_IDENTIFY }) {
    let filters = [];
    if (options.mode) {
        switch (options.mode) {
            case MODE_COLLECT:
                filters = FILTERS_BY_MODE[MODE_COLLECT];
                break;
            case MODE_IDENTIFY:
                filters = FILTERS_BY_MODE[MODE_IDENTIFY];
                break;
            default:
                throw new Error("invalid filter mode " + options.mode);
        }
    }
    else {
        if (Array.isArray(options.filters)) {
            filters = options.filters;
        }
        else {
            throw new Error("`filters` fields is invalid!");
        }
    }
    for (let name of filters) {
        concepts = getFilter(name).filter(concepts, context);
    }
    return concepts;
}
exports.filter = filter;