a690353ad7
The /admin handlers haven't been modified because that folder can be moved to somewhere else in some Moodle versions
84 lines
2.2 KiB
TypeScript
84 lines
2.2 KiB
TypeScript
// (C) Copyright 2015 Moodle Pty Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* Singleton with helper functions for text manipulation.
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*/
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export class CoreText {
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// Avoid creating singleton instances.
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private constructor() {
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// Nothing to do.
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}
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/**
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* Add starting slash to a string if needed.
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*
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* @param text Text to treat.
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* @return Treated text.
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*/
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static addStartingSlash(text = ''): string {
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if (text[0] === '/') {
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return text;
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}
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return '/' + text;
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}
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/**
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* Remove ending slash from a path or URL.
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*
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* @param text Text to treat.
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* @return Treated text.
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*/
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static removeEndingSlash(text?: string): string {
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if (!text) {
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return '';
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}
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if (text.slice(-1) == '/') {
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return text.substring(0, text.length - 1);
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}
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return text;
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}
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/**
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* Concatenate two paths, adding a slash between them if needed.
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*
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* @param leftPath Left path.
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* @param rightPath Right path.
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* @return Concatenated path.
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*/
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static concatenatePaths(leftPath: string, rightPath: string): string {
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if (!leftPath) {
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return rightPath;
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} else if (!rightPath) {
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return leftPath;
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}
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const lastCharLeft = leftPath.slice(-1);
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const firstCharRight = rightPath.charAt(0);
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if (lastCharLeft === '/' && firstCharRight === '/') {
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return leftPath + rightPath.substring(1);
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} else if (lastCharLeft !== '/' && firstCharRight !== '/') {
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return leftPath + '/' + rightPath;
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} else {
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return leftPath + rightPath;
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}
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}
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}
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