138 lines
3.7 KiB
JavaScript
138 lines
3.7 KiB
JavaScript
import { languages } from 'monaco-editor';
|
|
import { flatten } from 'lodash';
|
|
import { SIDE_LEFT, SIDE_RIGHT } from './constants';
|
|
|
|
const toLowerCase = x => x.toLowerCase();
|
|
|
|
const monacoLanguages = languages.getLanguages();
|
|
const monacoExtensions = new Set(
|
|
flatten(monacoLanguages.map(lang => lang.extensions?.map(toLowerCase) || [])),
|
|
);
|
|
const monacoMimetypes = new Set(
|
|
flatten(monacoLanguages.map(lang => lang.mimetypes?.map(toLowerCase) || [])),
|
|
);
|
|
const monacoFilenames = new Set(
|
|
flatten(monacoLanguages.map(lang => lang.filenames?.map(toLowerCase) || [])),
|
|
);
|
|
|
|
const KNOWN_TYPES = [
|
|
{
|
|
isText: false,
|
|
isMatch(mimeType) {
|
|
return mimeType.toLowerCase().includes('image/');
|
|
},
|
|
},
|
|
{
|
|
isText: true,
|
|
isMatch(mimeType) {
|
|
return mimeType.toLowerCase().includes('text/');
|
|
},
|
|
},
|
|
{
|
|
isText: true,
|
|
isMatch(mimeType, fileName) {
|
|
const fileExtension = fileName.includes('.') ? `.${fileName.split('.').pop()}` : '';
|
|
|
|
return (
|
|
monacoExtensions.has(fileExtension.toLowerCase()) ||
|
|
monacoMimetypes.has(mimeType.toLowerCase()) ||
|
|
monacoFilenames.has(fileName.toLowerCase())
|
|
);
|
|
},
|
|
},
|
|
];
|
|
|
|
export function isTextFile(content, mimeType, fileName) {
|
|
const knownType = KNOWN_TYPES.find(type => type.isMatch(mimeType, fileName));
|
|
|
|
if (knownType) return knownType.isText;
|
|
|
|
// does the string contain ascii characters only (ranges from space to tilde, tabs and new lines)
|
|
const asciiRegex = /^[ -~\t\n\r]+$/;
|
|
// for unknown types, determine the type by evaluating the file contents
|
|
return asciiRegex.test(content);
|
|
}
|
|
|
|
export const createPathWithExt = p => {
|
|
const ext = p.lastIndexOf('.') >= 0 ? p.substring(p.lastIndexOf('.') + 1) : '';
|
|
|
|
return `${p.substring(1, p.lastIndexOf('.') + 1 || p.length)}${ext || '.js'}`;
|
|
};
|
|
|
|
export const trimPathComponents = path =>
|
|
path
|
|
.split('/')
|
|
.map(s => s.trim())
|
|
.join('/');
|
|
|
|
export function registerLanguages(def, ...defs) {
|
|
defs.forEach(lang => registerLanguages(lang));
|
|
|
|
const languageId = def.id;
|
|
|
|
languages.register(def);
|
|
languages.setMonarchTokensProvider(languageId, def.language);
|
|
languages.setLanguageConfiguration(languageId, def.conf);
|
|
}
|
|
|
|
export function registerSchemas({ language, options }, ...schemas) {
|
|
schemas.forEach(schema => registerSchemas(schema));
|
|
|
|
const defaults = {
|
|
json: languages.json.jsonDefaults,
|
|
yaml: languages.yaml.yamlDefaults,
|
|
};
|
|
|
|
if (defaults[language]) {
|
|
defaults[language].setDiagnosticsOptions(options);
|
|
}
|
|
}
|
|
|
|
export const otherSide = side => (side === SIDE_RIGHT ? SIDE_LEFT : SIDE_RIGHT);
|
|
|
|
export function trimTrailingWhitespace(content) {
|
|
return content.replace(/[^\S\r\n]+$/gm, '');
|
|
}
|
|
|
|
export function insertFinalNewline(content, eol = '\n') {
|
|
return content.slice(-eol.length) !== eol ? `${content}${eol}` : content;
|
|
}
|
|
|
|
export function getPathParents(path, maxDepth = Infinity) {
|
|
const pathComponents = path.split('/');
|
|
const paths = [];
|
|
|
|
let depth = 0;
|
|
while (pathComponents.length && depth < maxDepth) {
|
|
pathComponents.pop();
|
|
|
|
let parentPath = pathComponents.join('/');
|
|
if (parentPath.startsWith('/')) parentPath = parentPath.slice(1);
|
|
if (parentPath) paths.push(parentPath);
|
|
|
|
depth += 1;
|
|
}
|
|
|
|
return paths;
|
|
}
|
|
|
|
export function getPathParent(path) {
|
|
return getPathParents(path, 1)[0];
|
|
}
|
|
|
|
/**
|
|
* Takes a file object and returns a data uri of its contents.
|
|
*
|
|
* @param {File} file
|
|
*/
|
|
export function readFileAsDataURL(file) {
|
|
return new Promise(resolve => {
|
|
const reader = new FileReader();
|
|
reader.addEventListener('load', e => resolve(e.target.result), { once: true });
|
|
reader.readAsDataURL(file);
|
|
});
|
|
}
|
|
|
|
export function getFileEOL(content = '') {
|
|
return content.includes('\r\n') ? 'CRLF' : 'LF';
|
|
}
|