@humanspeak/svelte-headless-table/dist/columns.js

A powerful, headless table library for Svelte that provides complete control over table UI while handling complex data operations like sorting, filtering, pagination, grouping, and row expansion. Build custom, accessible data tables with zero styling opin

export class Column {
    header;
    footer;
    height;
    plugins;
    constructor({ header, footer, height, plugins }) {
        this.header = header;
        this.footer = footer;
        this.height = height;
        this.plugins = plugins;
    }
    // TODO Workaround for https://github.com/vitejs/vite/issues/9528
    isFlat() {
        return '__flat' in this;
    }
    // TODO Workaround for https://github.com/vitejs/vite/issues/9528
    isData() {
        return '__data' in this;
    }
    // TODO Workaround for https://github.com/vitejs/vite/issues/9528
    isDisplay() {
        return '__display' in this;
    }
    // TODO Workaround for https://github.com/vitejs/vite/issues/9528
    isGroup() {
        return '__group' in this;
    }
}
export class FlatColumn extends Column {
    // TODO Workaround for https://github.com/vitejs/vite/issues/9528
    __flat = true;
    id;
    constructor({ header, footer, plugins, id }) {
        super({ header, footer, plugins, height: 1 });
        this.id = id ?? String(header);
    }
}
export class DataColumn extends FlatColumn {
    // TODO Workaround for https://github.com/vitejs/vite/issues/9528
    __data = true;
    cell;
    accessorKey;
    accessorFn;
    constructor({ header, footer, plugins, cell, accessor, id }) {
        super({ header, footer, plugins, id: 'Initialization not complete' });
        this.cell = cell;
        if (accessor instanceof Function) {
            this.accessorFn = accessor;
        }
        else {
            this.accessorKey = accessor;
        }
        if (id === undefined && this.accessorKey === undefined && header === undefined) {
            throw new Error('A column id, string accessor, or header is required');
        }
        const accessorKeyId = typeof this.accessorKey === 'string' ? this.accessorKey : null;
        this.id = (id ?? accessorKeyId ?? String(header));
    }
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    getValue(item) {
        if (this.accessorFn !== undefined) {
            return this.accessorFn(item);
        }
        if (this.accessorKey !== undefined) {
            return item[this.accessorKey];
        }
        return undefined;
    }
}
export class DisplayColumn extends FlatColumn {
    // TODO Workaround for https://github.com/vitejs/vite/issues/9528
    __display = true;
    cell;
    data;
    constructor({ header, footer, plugins, id, cell, data }) {
        super({ header, footer, plugins, id });
        this.cell = cell;
        this.data = data;
    }
}
export class GroupColumn extends Column {
    // TODO Workaround for https://github.com/vitejs/vite/issues/9528
    __group = true;
    columns;
    ids;
    constructor({ header, footer, columns, plugins }) {
        const height = Math.max(...columns.map((c) => c.height)) + 1;
        super({ header, footer, height, plugins });
        this.columns = columns;
        this.ids = getFlatColumnIds(columns);
    }
}
export const getFlatColumnIds = (columns) => columns.flatMap((c) => (c.isFlat() ? [c.id] : c.isGroup() ? c.ids : []));
export const getFlatColumns = (columns) => {
    return columns.flatMap((c) => (c.isFlat() ? [c] : c.isGroup() ? getFlatColumns(c.columns) : []));
};