33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
// @flow
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// This is an internal module, not part of the KaTeX distribution,
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// whose purpose is to generate `unicodeSymbols` in Parser.js
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// In this way, only this module, and not the distribution/browser,
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// needs String's normalize function. As this file is not transpiled,
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// Flow comment types syntax is used.
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const accents = require('./unicodeAccents');
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const result /*: {[string]: string}*/ = {};
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const letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" +
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"αβγδεϵζηθϑικλμνξοπϖρϱςστυφϕχψωΓΔΘΛΞΠΣΥΦΨΩ";
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for (const letter of letters) {
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for (const accent of Object.getOwnPropertyNames(accents)) {
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const combined = letter + accent;
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const normalized = combined.normalize('NFC');
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if (normalized.length === 1) {
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result[normalized] = combined;
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}
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for (const accent2 of Object.getOwnPropertyNames(accents)) {
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if (accent === accent2) {
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continue;
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}
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const combined2 = combined + accent2;
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const normalized2 = combined2.normalize('NFC');
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if (normalized2.length === 1) {
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result[normalized2] = combined2;
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}
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}
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}
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}
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module.exports = result;
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