82 lines
2.8 KiB
JavaScript
82 lines
2.8 KiB
JavaScript
import url from 'url';
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import sanitizeFilename from 'sanitize-filename';
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import { isString, escapeRegExp, flow, partialRight } from 'lodash';
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function getUrl(url, direct) {
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return `${ direct ? '/#' : '' }${ url }`;
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}
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export function getCollectionUrl(collectionName, direct) {
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return getUrl(`/collections/${ collectionName }`, direct);
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}
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export function getNewEntryUrl(collectionName, direct) {
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return getUrl(`/collections/${ collectionName }/entries/new`, direct);
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}
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// Unreserved chars from RFC3987.
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const uriChars = /[\w\-.~]/i;
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const ucsChars = /[\xA0-\u{D7FF}\u{F900}-\u{FDCF}\u{FDF0}-\u{FFEF}\u{10000}-\u{1FFFD}\u{20000}-\u{2FFFD}\u{30000}-\u{3FFFD}\u{40000}-\u{4FFFD}\u{50000}-\u{5FFFD}\u{60000}-\u{6FFFD}\u{70000}-\u{7FFFD}\u{80000}-\u{8FFFD}\u{90000}-\u{9FFFD}\u{A0000}-\u{AFFFD}\u{B0000}-\u{BFFFD}\u{C0000}-\u{CFFFD}\u{D0000}-\u{DFFFD}\u{E1000}-\u{EFFFD}]/u;
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export function sanitizeIRI(str, { replacement }) {
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let result = "";
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// We cannot use a `map` function here because `string.split()` splits things like emojis into surrogate pairs.
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for (const char of str) {
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if (uriChars.test(char) || ucsChars.test(char)) {
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result += char;
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} else {
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result += replacement;
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}
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}
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return result;
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}
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export function sanitizeSlug(str, { replacement = '-' }) {
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if (!isString(str)) throw "`sanitizeSlug` only accepts strings as input.";
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if (!isString(replacement)) throw "the `sanitizeSlug` replacement character must be a string.";
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// Sanitize as IRI (i18n URI) and as filename.
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const sanitize = flow([
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partialRight(sanitizeIRI, { replacement }),
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partialRight(sanitizeFilename, { replacement }),
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]);
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const sanitizedSlug = sanitize(str);
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// Remove any doubled or trailing replacement characters (that were added in the sanitizers).
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const doubleReplacement = new RegExp('(?:' + escapeRegExp(replacement) + ')+', 'g');
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const trailingReplacment = new RegExp(escapeRegExp(replacement) + '$');
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const normalizedSlug = sanitizedSlug
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.replace(doubleReplacement, '-')
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.replace(trailingReplacment, '');
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return normalizedSlug;
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}
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export function urlize(string) {
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const sanitized = makePathSanitized(string);
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const parsedURL = url.parse(sanitized);
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return url.format(parsedURL);
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}
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function makePathSanitized(string) {
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return makePath(string.toLowerCase());
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}
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function makePath(string) {
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return unicodeSanitize(string).trim().replace(/[\s]/g, '-').replace(/-+/g, '-');
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}
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function unicodeSanitize(string) {
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let target = [];
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const runes = string.split('');
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for (let i=0; i < string.length; i++) {
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const r = runes[i];
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if (r == '%' && i+2 < string.length && string.substr(i+1, 2).match(/^[0-9a-f]+$/)) {
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target = target.concat([r, runes[i+1], runes[i+2]]);
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} else if (r.match(/[\w .\/\\_#\+-]/u)) {
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target.push(r);
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}
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}
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return target.join('');
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}
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