thebespokepixel/es-tinycolor

/*
 *  ES-TinyColor : Color Extension API Class
 *  ────────────────────────────────────────────────────────────────────────────
 */

import TinyColorExtension from './tinycolor-extension.js'

const _template = {
    format: false,
    ok: false,
    r: 0,
    g: 0,
    b: 0,
    a: 1,
}

export default class TinyColorExtensionAPI {
    constructor() {
        this.colorspaces = {}
        this.options = {
            alphaFormat: 'rgb',
            shortHex: false,
            upperCaseHex: false,
        }
    }

    set(options) {
        Object.assign(this.options, options)
        for (const id in this.colorspaces) {
            if (Object.prototype.hasOwnProperty.call(this.colorspaces, id)) {
                Object.assign(this.colorspaces[id].options, options)
            }
        }
    }

    add(id, options) {
        this.colorspaces[id] = new TinyColorExtension(this, id, {...this.options, ...options})
        if (options.alias) {
            for (const id_ of options.alias) {
                this.colorspaces[id_] = this.colorspaces[id]
            }
        }

        return this.colorspaces[id]
    }

    findColor(input) {
        const color = {..._template}
        input = typeof input === 'string' ? input.trim().toLowerCase() : input
        if (input) {
            for (const id in this.colorspaces) {
                if (this.colorspaces[id].shouldHandleInput(input)) {
                    Object.assign(color, this.colorspaces[id].toRgb(input))
                    color.format = color.format || id
                    color.ok = true
                    break
                }
            }
        }

        return color
    }

    raw(rgba, format) {
        if (format in this.colorspaces) {
            return this.colorspaces[format].toRaw(rgba)
        }

        return {r: rgba.r / 255, g: rgba.g / 255, b: rgba.b / 255, a: rgba.a}
    }

    print(rgba, original, format) {
        const specified = format
        format = format || original
        if (format in this.colorspaces) {
            return this.colorspaces[format].use(specified).complete(rgba)
        }

        return `[${rgba.r}, ${rgba.g}, ${rgba.b}, ${rgba.a * 255}]`
    }
}