gnezim
0a5ab058a6
- Angular 12 application with PrimeNG components - 5 existing Cypress e2e test suites - SCSS styling with BEM naming convention - i18n support (10 languages) - Leaflet map integration - Complete component hierarchy and routing structure This baseline will be used for Angular → React migration.
61 lines
1.8 KiB
JavaScript
61 lines
1.8 KiB
JavaScript
"use strict";
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const iconvLite = require("iconv-lite");
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const supportedNames = require("./supported-names.json");
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const labelsToNames = require("./labels-to-names.json");
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const supportedNamesSet = new Set(supportedNames);
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// https://encoding.spec.whatwg.org/#concept-encoding-get
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exports.labelToName = label => {
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label = String(label).trim().toLowerCase();
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return labelsToNames[label] || null;
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};
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// https://encoding.spec.whatwg.org/#decode
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exports.decode = (uint8Array, fallbackEncodingName) => {
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let encoding = fallbackEncodingName;
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if (!exports.isSupported(encoding)) {
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throw new RangeError(`"${encoding}" is not a supported encoding name`);
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}
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const bomEncoding = exports.getBOMEncoding(uint8Array);
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if (bomEncoding !== null) {
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encoding = bomEncoding;
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// iconv-lite will strip BOMs for us, so no need to do the extra byte removal that the spec does.
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// Note that we won't end up in the x-user-defined case when there's a bomEncoding.
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}
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if (encoding === "x-user-defined") {
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// https://encoding.spec.whatwg.org/#x-user-defined-decoder
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let result = "";
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for (const byte of uint8Array) {
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if (byte <= 0x7F) {
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result += String.fromCodePoint(byte);
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} else {
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result += String.fromCodePoint(0xF780 + byte - 0x80);
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}
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}
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return result;
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}
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return iconvLite.decode(uint8Array, encoding);
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};
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// https://github.com/whatwg/html/issues/1910#issuecomment-254017369
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exports.getBOMEncoding = uint8Array => {
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if (uint8Array[0] === 0xFE && uint8Array[1] === 0xFF) {
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return "UTF-16BE";
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} else if (uint8Array[0] === 0xFF && uint8Array[1] === 0xFE) {
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return "UTF-16LE";
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} else if (uint8Array[0] === 0xEF && uint8Array[1] === 0xBB && uint8Array[2] === 0xBF) {
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return "UTF-8";
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}
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return null;
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};
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exports.isSupported = name => {
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return supportedNamesSet.has(String(name));
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};
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