Iosevka/font-src/support/ligation-data.js

37 lines
955 B
JavaScript

"use strict";
module.exports = function formVariantData(data, para) {
const optInBuildup = {};
const optOutBuildup = {};
const hives = {};
hives["default"] = { caltBuildup: [] };
for (const gr in data.simple) {
hives[gr] = { appends: { caltBuildup: [data.simple[gr].ligGroup] } };
}
for (const gr in data.composite) {
const comp = data.composite[gr];
if (!comp.tag) continue;
const ligSets = createBuildup(data.simple, comp.buildup);
if (comp.isOptOut) {
optOutBuildup[comp.tag] = ligSets;
} else {
optInBuildup[comp.tag] = ligSets;
}
if (!comp.isOptOut) {
hives[gr] = { caltBuildup: ligSets };
}
}
return { defaultBuildup: { ...optInBuildup, ...optOutBuildup }, hives };
};
function createBuildup(simple, buildup) {
let ligSet = new Set();
for (const s of buildup) {
if (!simple[s]) throw new Error("Cannot find simple ligation group " + s);
ligSet.add(simple[s].ligGroup);
}
return Array.from(ligSet);
}