Page MenuHomeSealhub
Files F1262923

table.ts
No OneTemporary
Actions

table.ts
View Options

import { hasShape, predicates } from "@sealcode/ts-predicates";
import { JDDContext } from "../index.js";
import { ComponentArgument } from "./component-argument.js";
import { ContainerArgument } from "./container-argument.js";
type TableHeader<HeaderType> = { type: "header"; header_content: HeaderType };
type TableRegularRow<CellType> = { type: "row"; cells: CellType[] };
export type TableRow<CellType, HeaderType> =
| TableHeader<HeaderType>
| TableRegularRow<CellType>;
export type TableData<CellType, HeaderType> = {
rows: TableRow<CellType, HeaderType>[];
};
export function isTableHeader(x: unknown): x is TableHeader<unknown> {
return hasShape(
{
type: predicates.const("header"),
header_content: predicates.unknown,
},
x
);
}
export function isTableRegularRow<CellType = unknown>(
x: unknown
): x is TableRegularRow<CellType> {
return hasShape(
{
type: predicates.const("row"),
cells: predicates.array(predicates.unknown),
},
x
);
}
export function isTableData<CellType = unknown, HeaderType = unknown>(
x: unknown
): x is TableData<CellType, HeaderType> {
return hasShape(
{
rows: predicates.array(predicates.object),
},
x
);
}
export class Table<CellType, HeaderType> extends ContainerArgument<
TableData<CellType, HeaderType>
> {
constructor(
public header_type: ComponentArgument<HeaderType, unknown, unknown>,
public cell_type: ComponentArgument<CellType, unknown, unknown>
) {
super();
cell_type.parent_argument = this;
header_type.parent_argument = this;
}
getSubArgument(
[_, key, ...rest]: string[],
value: TableData<CellType, HeaderType>
) {
if (isNaN(parseInt(key))) {
return <const>[null, [] as string[], null];
}
const key_n = parseInt(key);
const row = value.rows[key_n];
if (!row) {
return <const>[null, [] as string[], null];
} else if (row.type == "header") {
rest.shift();
return <const>[this.header_type, rest, row.header_content];
} else {
let cell_index = rest.shift();
if (cell_index == "cells") {
cell_index = rest.shift();
}
if (!cell_index) {
throw new Error("Missing cell index");
}
const parsed_cell_index = parseInt(cell_index);
if (isNaN(parsed_cell_index)) {
throw new Error(
`Cell index should be a number, got: ${cell_index}`
);
}
return <const>[this.cell_type, rest, row.cells[parsed_cell_index]];
}
}
getTypeName() {
return "table";
}
async getEmptyValue(context: JDDContext) {
return {
rows: [
{
type: <const>"header",
header_content: await this.header_type.getEmptyValue(
context
),
},
{
type: <const>"row",
cells: [await this.cell_type.getEmptyValue(context)],
},
],
};
}
async getExampleValue(context: JDDContext) {
const rows = Math.round(Math.random() * 5);
const columns = Math.round(Math.random() * 5);
const result: TableData<CellType, HeaderType> = {
rows: [
{
type: "header",
header_content: await this.header_type.getExampleValue(
context
),
},
],
};
for (let i = 0; i < rows; i++) {
const cells: CellType[] = [];
for (let j = 0; j < columns; j++) {
// eslint-disable-next-line no-await-in-loop
cells.push(await this.cell_type.getExampleValue(context));
}
result.rows.push({ type: "row", cells });
}
return result;
}
countWords(value: TableData<CellType, HeaderType>): number {
let result = 0;
for (let i = 0; i < value.rows.length; i++) {
const row = value.rows[i];
if (isTableHeader(row)) {
result += this.header_type.countWords(row.header_content);
} else {
for (let j = 0; j < row.cells.length; j++) {
result += this.cell_type.countWords(row.cells[j]);
}
}
}
return result;
}
async processAllSubarguments(
context: JDDContext,
input: unknown,
processing_function: (
argument: ComponentArgument<unknown>,
value: unknown
) => Promise<unknown>
) {
if (!hasShape({ rows: predicates.array(predicates.object) }, input)) {
return { rows: [] };
} else {
const result: TableData<CellType, HeaderType> = { rows: [] };
const row_promises = input.rows.map(async (row, row_index) => {
let new_row: TableRow<CellType, HeaderType>;
if (hasShape({ header_content: predicates.unknown }, row)) {
let header_content = (await processing_function(
this.header_type,
row.header_content
)) as HeaderType | HeaderType[] | null;
if (Array.isArray(header_content)) {
header_content = header_content[0];
}
if (header_content == null) {
header_content = await this.header_type.getEmptyValue(
context
);
}
new_row = {
type: "header",
header_content,
};
result.rows[row_index] = new_row;
} else if (
hasShape(
{ cells: predicates.array(predicates.unknown) },
row
)
) {
new_row = {
type: "row",
cells: await Promise.all(
row.cells.map(async (cell) => {
const value = (await processing_function(
this.cell_type,
cell
)) as CellType | CellType[] | null;
if (value === null) {
return this.cell_type.getEmptyValue(
context
);
} else if (Array.isArray(value)) {
return value[0];
} else {
return value;
}
})
),
};
result.rows[row_index] = new_row;
}
});
await Promise.all(row_promises);
return result;
}
}
getColumnsCount(value: TableData<CellType, HeaderType>) {
return (
(
(
value.rows.filter((row) => row.type == "row")[0] as
| TableRegularRow<CellType>
| undefined
)?.cells || []
).length || 1
);
}
}

File Metadata

Mime Type
text/x-java
Expires
Fri, Jan 24, 15:16 (17 h, 4 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
600392
Default Alt Text
table.ts (5 KB)

Event Timeline