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import { flatten, isString } from 'lodash';
import { languages } from 'monaco-editor';
import { setDiagnosticsOptions as yamlDiagnosticsOptions } from 'monaco-yaml';
import { performanceMarkAndMeasure } from '~/performance/utils';
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('.') ? `.${fileName.split('.').pop()}` : '';
return (
monacoExtensions.has(fileExtension.toLowerCase()) ||
monacoMimetypes.has(mimeType.toLowerCase()) ||
monacoFilenames.has(fileName.toLowerCase())
);
},
},
];
export function isTextFile({ name, raw, binary, content, mimeType = '' }) {
// some file objects already have a `binary` property set on them. If so, use it first
if (typeof binary === 'boolean') return !binary;
const knownType = KNOWN_TYPES.find((type) => type.isMatch(mimeType, name));
if (knownType) return knownType.isText;
// does the string contain ascii characters only (ranges from space to tilde, tabs and new lines)
const asciiRegex = /^[ -~\t\n\r]+$/;
const fileContents = raw || content;
// for unknown types, determine the type by evaluating the file contents
return isString(fileContents) && (fileContents === '' || asciiRegex.test(fileContents));
}
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 registerSchema(schema, options = {}) {
const defaultOptions = {
validate: true,
enableSchemaRequest: true,
hover: true,
completion: true,
schemas: [schema],
...options,
};
languages.json.jsonDefaults.setDiagnosticsOptions(defaultOptions);
yamlDiagnosticsOptions(defaultOptions);
}
export const otherSide = (side) => (side === SIDE_RIGHT ? SIDE_LEFT : SIDE_RIGHT);
export function trimTrailingWhitespace(content) {
return content.replace(/[^\S\r\n]+$/gm, '');
}
export function getPathParents(path, maxDepth = Infinity) {
const pathComponents = path.split('/');
const paths = [];
let depth = 0;
while (pathComponents.length && depth < maxDepth) {
pathComponents.pop();
let parentPath = pathComponents.join('/');
if (parentPath.startsWith('/')) parentPath = parentPath.slice(1);
if (parentPath) paths.push(parentPath);
depth += 1;
}
return paths;
}
export function getPathParent(path) {
return getPathParents(path, 1)[0];
}
/**
* Takes a file object and returns a data uri of its contents.
*
* @param {File} file
*/
export function readFileAsDataURL(file) {
return new Promise((resolve) => {
const reader = new FileReader();
reader.addEventListener('load', (e) => resolve(e.target.result), { once: true });
reader.readAsDataURL(file);
});
}
export function getFileEOL(content = '') {
return content.includes('\r\n') ? 'CRLF' : 'LF';
}
/**
* Adds or increments the numeric suffix to a filename/branch name.
* Retains underscore or dash before the numeric suffix if it already exists.
*
* Examples:
* hello -> hello-1
* hello-2425 -> hello-2425
* hello.md -> hello-1.md
* hello_2.md -> hello_3.md
* hello_ -> hello_1
* main-patch-22432 -> main-patch-22433
* patch_332 -> patch_333
*
* @param {string} filename File name or branch name
* @param {number} [randomize] Should randomize the numeric suffix instead of auto-incrementing?
*/
export function addNumericSuffix(filename, randomize = false) {
return filename.replace(/([ _-]?)(\d*)(\..+?$|$)/, (_, before, number, after) => {
const n = randomize ? Math.random().toString().substring(2, 7).slice(-5) : Number(number) + 1;
return `${before || '-'}${n}${after}`;
});
}
export const measurePerformance = (
mark,
measureName,
measureStart = undefined,
measureEnd = mark,
) => {
performanceMarkAndMeasure({
mark,
measures: [
{
name: measureName,
start: measureStart,
end: measureEnd,
},
],
});
};
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