screening/lib/plate.js

Tools for numbering screening plate

import { numberToPosition } from "./utils/numberToPosition.js";
import { positionToNumber } from "./utils/positionToNumber.js";
export class Plate {
    width;
    height;
    size;
    wells = [];
    constructor(options = {}) {
        this.width = options.width ?? 12;
        this.height = options.height ?? (this.width / 3) * 2;
        this.size = this.width * this.height;
        this.initialize();
    }
    getWells() {
        return this.wells;
    }
    select(range) {
        if (range) {
            // reset all
            for (const well of this.wells) {
                well.selected = false;
            }
            const reg = /(\d+)(-(\d+))?,?/g;
            let m;
            while ((m = reg.exec(range))) {
                const from = Number(m[1]);
                const to = m[3] ? Number(m[3]) : undefined;
                if (to && from <= to) {
                    for (let i = from; i <= to; i++) {
                        const well = this.wells[i - 1];
                        if (!isEmpty(well.info))
                            well.selected = true;
                    }
                }
                else {
                    const well = this.wells[from - 1];
                    if (!isEmpty(well.info))
                        well.selected = true;
                }
            }
        }
        else {
            // auto-select wells with info
            for (const well of this.wells) {
                well.selected = !isEmpty(well.info);
            }
        }
    }
    getArrayElement(index) {
        return this.wells[index];
    }
    updateColor() {
        for (const well of this.wells) {
            if (isEmpty(well.info)) {
                // empty well = white
                well.info.color = 'white';
            }
            else if (well.selected) {
                // selected = strong highlight
                well.info.color = 'rgba(144, 238, 144, 1)';
            }
            else {
                // unselected = faded highlight
                well.info.color = 'rgba(144, 238, 144, 0.3)';
            }
        }
    }
    getByPosition(position) {
        const index = positionToNumber(position, this.width) - 1;
        return this.wells[index];
    }
    getByNumber(number) {
        return this.wells[number - 1];
    }
    initialize() {
        this.wells = new Array(this.size);
        for (let row = 0; row < this.height; row++) {
            for (let column = 0; column < this.width; column++) {
                const i = row * this.width + column;
                this.wells[i] = {
                    number: i + 1,
                    position: numberToPosition(i + 1, this.width),
                    info: {},
                };
            }
        }
    }
}
// ----------- Helpers -----------
function isEmpty(object) {
    return (object &&
        typeof object === 'object' &&
        !Array.isArray(object) &&
        Object.keys(object).length === 0);
}
//# sourceMappingURL=plate.js.map