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import type {Direction} from '../direction.js'
import {elbowSet, replaceElbow, type ElbowSetName} from './elbows.js'
import {lineSet, replaceLine, type LineSetName} from './lines.js'
import type {BorderSet, CornerDirection} from './types.js'
/**
* Replace the border line at a direction in the given set.
* @param set The border set to change.
* @param direction Line direction to change.
* @param glyph New glyph.
* @returns Updated border set.
* @category drawing
* @function
*/
export const replaceBorderLine: {
(set: BorderSet, direction: Direction, glyph: string): BorderSet
(direction: Direction, glyph: string): EndoOf<BorderSet>
named: (direction: Direction, from: LineSetName) => EndoOf<BorderSet>
} = Object.assign(
dual(
3,
(
{lines, ...set}: BorderSet,
direction: Direction,
glyph: string,
): BorderSet => ({...set, lines: replaceLine(lines, direction, glyph)}),
),
{
named:
(direction: Direction, from: LineSetName): EndoOf<BorderSet> =>
({lines, ...set}) => ({
...set,
lines: replaceLine(lines, direction, borderSet(from).lines[direction]),
}),
},
)
/**
* Replace the border elbow at a direction in the given set.
* @param set The border set to change.
* @param direction Corner direction to change.
* @param glyph New glyph.
* @returns Updated border set.
* @category drawing
* @function
*/
export const replaceBorderElbow: {
(set: BorderSet, direction: CornerDirection, glyph: string): BorderSet
(direction: CornerDirection, glyph: string): EndoOf<BorderSet>
named: (direction: CornerDirection, from: ElbowSetName) => EndoOf<BorderSet>
} = Object.assign(
dual(
3,
(
{elbows, ...set}: BorderSet,
direction: CornerDirection,
glyph: string,
): BorderSet => ({...set, elbows: replaceElbow(elbows, direction, glyph)}),
),
{
named:
(direction: CornerDirection, from: ElbowSetName): EndoOf<BorderSet> =>
({elbows, ...set}) => ({
...set,
elbows: replaceElbow(elbows, direction, elbowSet(from)[direction]),
}),
},
)
/**
* Names of all border sets.
* @category drawing
*/
export const borderSetNames = [
'ascii',
'beveled',
'dashed',
'dashedWide',
'dotted',
'double',
'halfSolid',
'halfSolidFar',
'halfSolidNear',
'hDouble',
'hThick',
'near',
'solid',
'space',
'thick',
'thickDashed',
'thickDashedWide',
'thickDotted',
'thin',
'vDouble',
'vThick',
] as const
/**
* The type of a border set name.
* @category drawing
*/
export type BorderSetName = (typeof borderSetNames)[number]
/**
* A record of all border sets.
* @category drawing
*/
export type BorderSets = Record<BorderSetName, BorderSet>
const borderSets: BorderSets = {
ascii: fromSets('ascii', 'ascii'),
thin: fromSets('thin', 'thin'),
dashed: fromSets('dashed', 'thin'),
dashedWide: fromSets('dashedWide', 'thin'),
dotted: fromSets('dotted', 'thin'),
thick: fromSets('thick', 'thick'),
hThick: fromSets('hThick', 'hThick'),
vThick: fromSets('vThick', 'vThick'),
thickDashed: fromSets('thickDashed', 'thick'),
thickDashedWide: fromSets('dashedWide', 'thick'),
thickDotted: fromSets('thickDotted', 'thick'),
double: fromSets('double', 'double'),
hDouble: fromSets('hDouble', 'hDouble'),
vDouble: fromSets('vDouble', 'vDouble'),
solid: fromSets('solid', 'solid'),
space: fromSets('space', 'space'),
near: fromSets('near', 'space'),
halfSolid: fromSets('halfSolid', 'halfSolid'),
halfSolidNear: fromSets('halfSolidNear', 'halfSolidNear'),
halfSolidFar: fromSets('halfSolidFar', 'halfSolidFar'),
beveled: fromSets('near', 'diagonal'),
}
/**
* Get a line set by name.
* @category drawing
* @function
*/
export const borderSet = (name: BorderSetName): BorderSet => borderSets[name]
function fromSets(lines: LineSetName, elbows: ElbowSetName): BorderSet {
return {
lines: lineSet(lines),
elbows: elbowSet(elbows),
}
}
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