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Semi-automated Text Translator for Websites and Apps
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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.readManagedUtf8 = exports.insertUtf8Cache = exports.writeManagedUtf8 = void 0;
const format_cache_1 = require("./format-cache");
const util_1 = require("../../util/util");
const os_1 = require("os");
/**
* Divergent line-endings can be painful in IDEs like WebStorm.
* Therefore, we remember line-endings that were previously present.
*/
const utf8Cache = new format_cache_1.FormatCache();
const possibleEndings = ["\n", "\r", os_1.EOL];
function writeManagedUtf8(args) {
var _a, _b;
const endings = (_b = (_a = utf8Cache.lookupAuxdata({ path: args.path })) === null || _a === void 0 ? void 0 : _a.endings) !== null && _b !== void 0 ? _b : null;
const expandedContent = endings !== null
? replaceLineEndings({ str: args.utf8, endings })
: args.utf8;
(0, util_1.writeUtf8File)(args.path, expandedContent);
return expandedContent;
}
exports.writeManagedUtf8 = writeManagedUtf8;
function insertUtf8Cache(args) {
const endings = extractLineEndings(args.utf8);
utf8Cache.insertFileCache({
path: args.path,
entries: new Map(),
auxData: { endings },
});
}
exports.insertUtf8Cache = insertUtf8Cache;
function readManagedUtf8(path) {
const utf8 = (0, util_1.readUtf8File)(path);
insertUtf8Cache({ path, utf8 });
return utf8;
}
exports.readManagedUtf8 = readManagedUtf8;
function replaceLineEndings(args) {
const beginOfEnd = beginOfEndIndex(args.str);
if (beginOfEnd === null) {
return `${args.str}${args.endings}`;
}
const shorterStr = args.str.slice(0, beginOfEnd);
return `${shorterStr}${args.endings}`;
}
function extractLineEndings(str) {
const beginOfEnd = beginOfEndIndex(str);
if (beginOfEnd !== null) {
return str.slice(beginOfEnd);
}
else {
return "";
}
}
function beginOfEndIndex(str) {
if (!str.length) {
return null;
}
let beginOfEnd = null;
for (let idx = str.length - 1; idx >= 0; idx--) {
if (possibleEndings.includes(str[idx])) {
beginOfEnd = idx;
}
else {
break;
}
}
return beginOfEnd;
}