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test/refactor: update isExternalLink #3839

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test/refactor: update isExternalLink #3839

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60acb95
refactor: update isExternalLink
SukkaW Nov 6, 2019
6d9ed7a
refactor(external_link): run exclude array once a page
SukkaW Nov 6, 2019
216f653
refactor(external_link): relpace test() with includes()
SukkaW Nov 6, 2019
20d4ae4
refactor(external_link): avoid urlObj
SukkaW Nov 6, 2019
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27 changes: 11 additions & 16 deletions lib/plugins/filter/after_post_render/external_link.js
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Original file line number Diff line number Diff line change
@@ -1,25 +1,17 @@
'use strict';

const { URL } = require('url');

const urlObj = (str) => {
try {
return new URL(str);
} catch (err) {
return str;
}
};
const { parse, URL } = require('url');

const isExternal = (url, config) => {
const exclude = Array.isArray(config.external_link.exclude) ? config.external_link.exclude
: [config.external_link.exclude];
const data = urlObj(url);
const host = data.hostname;
const sitehost = typeof urlObj(config.url) === 'object' ? urlObj(config.url).hostname : config.url;
const { exclude } = config.external_link;
const sitehost = parse(config.url).hostname || config.url;
// some little dirty hacks
const data = new URL(url, `http://${sitehost}`);

if (!sitehost || typeof data === 'string') return false;
if (data.origin === 'null') return false;

const host = data.hostname;
if (exclude && exclude.length) {
for (const i of exclude) {
if (host === i) return false;
Expand All @@ -45,10 +37,13 @@ function externalLinkFilter(data) {
if (config.external_link === false || config.external_link.enable === false
|| config.external_link.field !== 'post') return;

config.external_link.exclude = Array.isArray(config.external_link.exclude) ? config.external_link.exclude
: [config.external_link.exclude];

data.content = data.content.replace(/<a.*?(href=['"](.*?)['"]).*?>/gi, (str, hrefStr, href) => {
if (/target=/gi.test(str) || !isExternal(href, config)) return str;
if (str.includes('target=') || !isExternal(href, config)) return str;

if (/rel=/gi.test(str)) {
if (str.includes('rel=')) {
str = str.replace(/rel="(.*?)"/gi, (relStr, rel) => {
if (!rel.includes('noopenner')) relStr = relStr.replace(rel, `${rel} noopener`);
return relStr;
Expand Down
27 changes: 11 additions & 16 deletions lib/plugins/filter/after_render/external_link.js
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Original file line number Diff line number Diff line change
@@ -1,14 +1,6 @@
'use strict';

const { URL } = require('url');

const urlObj = (str) => {
try {
return new URL(str);
} catch (err) {
return str;
}
};
const { parse, URL } = require('url');

/**
* Check whether the link is external
Expand All @@ -17,15 +9,15 @@ const urlObj = (str) => {
* @returns {Boolean} True if the link doesn't have protocol or link has same host with config.url
*/
const isExternal = (url, config) => {
const exclude = Array.isArray(config.external_link.exclude) ? config.external_link.exclude
: [config.external_link.exclude];
const data = urlObj(url);
const host = data.hostname;
const sitehost = typeof urlObj(config.url) === 'object' ? urlObj(config.url).hostname : config.url;
const { exclude } = config.external_link;
const sitehost = parse(config.url).hostname || config.url;
// some little dirty hacks
const data = new URL(url, `http://${sitehost}`);

if (!sitehost || typeof data === 'string') return false;
if (data.origin === 'null') return false;

const host = data.hostname;
if (exclude && exclude.length) {
for (const i of exclude) {
if (host === i) return false;
Expand All @@ -51,10 +43,13 @@ function externalLinkFilter(data) {
if (config.external_link === false || config.external_link.enable === false
|| config.external_link.field !== 'site') return;

config.external_link.exclude = Array.isArray(config.external_link.exclude) ? config.external_link.exclude
: [config.external_link.exclude];

data = data.replace(/<a.*?(href=['"](.*?)['"]).*?>/gi, (str, hrefStr, href) => {
if (/target=/gi.test(str) || !isExternal(href, config)) return str;
if (str.includes('target=') || !isExternal(href, config)) return str;
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if (/rel=/gi.test(str)) {
if (str.includes('rel=')) {
str = str.replace(/rel="(.*?)"/gi, (relStr, rel) => {
if (!rel.includes('noopenner')) relStr = relStr.replace(rel, `${rel} noopener`);
return relStr;
Expand Down