mirror of
https://github.com/ether/etherpad-lite.git
synced 2025-04-29 19:59:14 -04:00
13e160cbe4
* Add script to trigger test on utils * Add new function to remove the comments from the settings file. It reduces the size of the payload when we save on the admin page `.../admin/settings` * Add font-family: monospace; to the settings
70 lines
2.7 KiB
TypeScript
70 lines
2.7 KiB
TypeScript
export const cleanComments = (json: string|undefined)=>{
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if (json !== undefined){
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json = json.replace(/\/\*.*?\*\//g, ""); // remove single line comments
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json = json.replace(/ *\/\*.*(.|\n)*?\*\//g, ""); // remove multi line comments
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json = json.replace(/[ \t]+$/gm, ""); // trim trailing spaces
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json = json.replace(/^(\n)/gm, ""); // remove empty lines
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}
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return json;
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}
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export const minify = (json: string)=>{
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let tokenizer = /"|(\/\*)|(\*\/)|(\/\/)|\n|\r/g,
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in_string = false,
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in_multiline_comment = false,
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in_singleline_comment = false,
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tmp, tmp2, new_str = [], ns = 0, from = 0, lc, rc
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;
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tokenizer.lastIndex = 0;
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while (tmp = tokenizer.exec(json)) {
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lc = RegExp.leftContext;
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rc = RegExp.rightContext;
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if (!in_multiline_comment && !in_singleline_comment) {
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tmp2 = lc.substring(from);
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if (!in_string) {
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tmp2 = tmp2.replace(/(\n|\r|\s)*/g,"");
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}
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new_str[ns++] = tmp2;
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}
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from = tokenizer.lastIndex;
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if (tmp[0] == "\"" && !in_multiline_comment && !in_singleline_comment) {
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tmp2 = lc.match(/(\\)*$/);
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if (!in_string || !tmp2 || (tmp2[0].length % 2) == 0) { // start of string with ", or unescaped " character found to end string
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in_string = !in_string;
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}
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from--; // include " character in next catch
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rc = json.substring(from);
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}
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else if (tmp[0] == "/*" && !in_string && !in_multiline_comment && !in_singleline_comment) {
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in_multiline_comment = true;
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}
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else if (tmp[0] == "*/" && !in_string && in_multiline_comment && !in_singleline_comment) {
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in_multiline_comment = false;
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}
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else if (tmp[0] == "//" && !in_string && !in_multiline_comment && !in_singleline_comment) {
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in_singleline_comment = true;
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}
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else if ((tmp[0] == "\n" || tmp[0] == "\r") && !in_string && !in_multiline_comment && in_singleline_comment) {
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in_singleline_comment = false;
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}
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else if (!in_multiline_comment && !in_singleline_comment && !(/\n|\r|\s/.test(tmp[0]))) {
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new_str[ns++] = tmp[0];
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}
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}
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new_str[ns++] = rc;
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return new_str.join("");
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}
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export const isJSONClean = (data: string) => {
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let cleanSettings = minify(data);
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// this is a bit naive. In theory some key/value might contain the sequences ',]' or ',}'
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cleanSettings = cleanSettings.replace(',]', ']').replace(',}', '}');
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try {
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return typeof JSON.parse(cleanSettings) === 'object';
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} catch (e) {
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return false; // the JSON failed to be parsed
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}
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};
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