src.app.shared.pipes.prettyPrint.pipe.ts Maven / Gradle / Ivy
/**
* Copyright 2017-2023 Enedis
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { Pipe, PipeTransform } from '@angular/core';
import { escapeHtml } from '@shared/tools/string-utils';
@Pipe({ name: 'prettyPrint' })
export class PrettyPrintPipe implements PipeTransform {
transform(value, escapeHtml: boolean = false): string {
if (value instanceof Array) {
return (
'[\n' +
value.map((v) => this.beautify(v, escapeHtml)).join(',\n') +
'\n]'
);
} else {
return this.beautify(value, escapeHtml);
}
}
beautify = (content: string, escapeHtmlP: boolean = false) => {
let r = content;
try {
let json = JSON.parse(content);
if (typeof json === 'string') {
content = json;
throw new Error('');
} else if (Array.isArray(json)) {
return (
'[\n' +
json
.map((v) => this.beautify(JSON.stringify(v)))
.join(',\n') +
'\n]'
);
}
return JSON.stringify(json, null, ' ');
} catch (error) {
if (content.startsWith('data:image')) {
return '
';
}
if (content.startsWith('data:')) {
return (
'download information data'
);
}
if (content.startsWith('<') || content.includes(' {
indent = indent || '\t'; //you can set/define other ident than tabs
//PART 1: Add \n where necessary
const xmlString = input
.replace(/(<([a-zA-Z]+\b)[^>]*>)(?!<\/\2>|[\w\s])/g, '$1\n') //add \n after tag if not followed by the closing tag of pair or text node
.replace(/(<\/[a-zA-Z]+[^>]*>)/g, '$1\n') //add \n after closing tag
.replace(/>\s+(.+?)\s+<(?!\/)/g, '>\n$1\n<') //add \n between sets of angled brackets and text node between them
.replace(/>(.+?)<([a-zA-Z])/g, '>\n$1\n<$2') //add \n between angled brackets and text node between them
.replace(/\?>\n<'); //detect a header of XML
const xmlArr = xmlString.split('\n'); //split it into an array (for analise each line separately)
//PART 2: indent each line appropriately
let tabs = ''; //store the current indentation
let start = 0; //starting line
if (/^<[?]xml/.test(xmlArr[0])) start++; //if the first line is a header, ignore it
for (
let i = start;
i < xmlArr.length;
i++ //for each line
) {
const line = xmlArr[i].replace(/^\s+|\s+$/g, ''); //trim it (just in case)
if (/^<[/]/.test(line)) {
//if the line is a closing tag
tabs = tabs.replace(indent, ''); //remove one indent from the store
xmlArr[i] = tabs + line; //add the tabs at the beginning of the line
} else if (/<.*>.*<\/.*>|<.*[^>]\/>/.test(line)) {
//if the line contains an entire node
//leave the store as is
xmlArr[i] = tabs + line; //add the tabs at the beginning of the line
} else if (/<.*>/.test(line)) {
//if the line starts with an opening tag and does not contain an entire node
xmlArr[i] = tabs + line; //add the tabs at the beginning of the line
tabs += indent; //and add one indent to the store
} //if the line contain a text node
else {
xmlArr[i] = tabs + line; // add the tabs at the beginning of the line
}
}
//PART 3: return formatted string (source)
return xmlArr.join('\n'); //rejoin the array to a string and return it
};
}