{"id":17472522,"url":"https://github.com/shinnn/insert-html-content","last_synced_at":"2025-03-28T08:11:15.774Z","repository":{"id":57274450,"uuid":"155510517","full_name":"shinnn/insert-html-content","owner":"shinnn","description":"Insert contents into an HTML of a response body","archived":false,"fork":false,"pushed_at":"2019-06-28T13:27:07.000Z","size":76,"stargazers_count":1,"open_issues_count":0,"forks_count":1,"subscribers_count":1,"default_branch":"master","last_synced_at":"2024-10-18T19:56:33.302Z","etag":null,"topics":["html","html5","insertion","javascript","modification","nodejs","non-blocking","response","stream"],"latest_commit_sha":null,"homepage":null,"language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"isc","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/shinnn.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2018-10-31T06:37:23.000Z","updated_at":"2024-07-01T19:25:20.000Z","dependencies_parsed_at":"2022-09-17T15:22:35.514Z","dependency_job_id":null,"html_url":"https://github.com/shinnn/insert-html-content","commit_stats":null,"previous_names":[],"tags_count":3,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/shinnn%2Finsert-html-content","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/shinnn%2Finsert-html-content/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/shinnn%2Finsert-html-content/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/shinnn%2Finsert-html-content/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/shinnn","download_url":"https://codeload.github.com/shinnn/insert-html-content/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":245991583,"owners_count":20706129,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["html","html5","insertion","javascript","modification","nodejs","non-blocking","response","stream"],"created_at":"2024-10-18T17:25:38.770Z","updated_at":"2025-03-28T08:11:15.750Z","avatar_url":"https://github.com/shinnn.png","language":"JavaScript","readme":"# insert-html-content\n\n[![npm version](https://img.shields.io/npm/v/insert-html-content.svg)](https://www.npmjs.com/package/insert-html-content)\n[![GitHub Actions](https://action-badges.now.sh/shinnn/insert-html-content)](https://wdp9fww0r9.execute-api.us-west-2.amazonaws.com/production/results/shinnn/insert-html-content)\n[![codecov](https://codecov.io/gh/shinnn/insert-html-content/branch/master/graph/badge.svg)](https://codecov.io/gh/shinnn/insert-html-content)\n\nInsert contents into an HTML of a response body\n\n```javascript\nconst {createServer} = require('http');\nconst fetch = require('node-fetch');\nconst insertHtmlContent = require('insert-html-content');\n\ncreateServer((req, res) =\u003e {\n  insertHtmlContent(res, 'Hello ');\n\n  res.setHeader('content-type', 'text/html');\n  res.end('\u003chtml\u003e\u003cbody\u003eWorld\u003c/body\u003e\u003c/html\u003e');\n}).listen(3000, async () =\u003e {\n  await (await fetch('http://localhost:3000')).text(); //=\u003e '\u003chtml\u003e\u003cbody\u003eHello, World\u003c/body\u003e\u003c/html\u003e'\n});\n```\n\n## Installation\n\n[Use](https://docs.npmjs.com/cli/install) [npm](https://docs.npmjs.com/about-npm/).\n\n```\nnpm install insert-html-content\n```\n\n## API\n\n```javascript\nconst insertHtmlContent = require('insert-html-content');\n```\n\n### insertHtmlContent(*response*, *content* [, *options*])\n\n*response*: [`http.ServerResponse`](https://nodejs.org/api/http.html#http_class_http_serverresponse)  \n*content*: `string`  \n*options*: `Object`\n\nIf the media type of the response is `text/html`, it inserts a given content into the response body as the first child of `\u003cbody\u003e` tag once, with increasing the value of `content-length` header if necessary.\n\n```javascript\nconst {createServer} = require('http');\nconst fetch = require('node-fetch');\nconst injectBody = require('insert-html-content');\n\nconst html = Buffer.from('\u003chtml\u003e\u003cbody\u003e\u003ch2\u003eHi\u003c/h2\u003e\u003c/body\u003e\u003c/html\u003e');\nconst inserted = '\u003ch1\u003e🏄‍\u003c/h1\u003e';\n\ncreateServer((req, res) =\u003e {\n  insertHtmlContent(res, inserted);\n\n  res.setHeader('content-type', 'text/html');\n  res.setHeader('content-length', 37/* html.length */);\n  res.end(html);\n}).listen(3000, async () =\u003e {\n  const response = await fetch('http://localhost:3000');\n\n  Number(response.headers.get('content-length'));\n  //=\u003e 53, html.length + Buffer.byteLength(inserted)\n\n  await response.text(); //=\u003e '\u003chtml\u003e\u003cbody\u003e\u003ch1\u003e🏄‍\u003c/h1\u003e\u003ch2\u003eHi\u003c/h2\u003e\u003c/body\u003e\u003c/html\u003e'\n});\n```\n\nIf the media type is not `text/html`, or the response body has no `\u003cbody\u003e` tag, it does nothing.\n\n### options.tagName\n\nType: `string`  \nDefault: `'body'`\n\nChange the insertion target to the given tag.\n\n```javascript\ncreateServer((req, res) =\u003e {\n  insertHtmlContent(res, '\u003cscript src=\"inserted.js\"\u003e\u003c/script\u003e', {\n    tagName: 'head'\n  });\n\n  res.setHeader('content-type', 'text/html');\n  res.end('\u003chtml\u003e\u003chead\u003e\u003c/head\u003e\u003c/html\u003e');\n}).listen(3000, async () =\u003e {\n  await (await fetch('http://localhost:3000')).text(); //=\u003e '\u003chtml\u003e\u003chead\u003e\u003cscript src=\"inserted.js\"\u003e\u003c/script\u003e\u003c/head\u003e\u003c/html\u003e'\n});\n```\n\n### options.insertToEnd\n\nType: `boolean`  \nDefault: `false`\n\nWhen this option is `true`, it inserts a content to the last child of the target tag instead.\n\nDefault:\n\n```html\n\u003cbody\u003e\u003cdiv\u003eexisting content\u003c/div\u003e\u003cdiv\u003einserted content\u003c/div\u003e\u003c/body\u003e\n```\n\n`insertToEnd: true`:\n\n```html\n\u003cbody\u003e\u003cdiv\u003einserted content\u003c/div\u003e\u003cdiv\u003eexisting content\u003c/div\u003e\u003c/body\u003e\n```\n\n### class insertHtmlContent.InsertHtmlContent(*contents* [, *options*])\n\n*content*: `string`  \n*options*: `Object`  \nReturn: `Function`\n\nCreate a new `insertHtmlContent` function with the fixed `content` and `options`. Use this class if a server will insert the same contents into every HTML response many times.\n\n```javascript\nconst {InsertHtmlContent} = require('insert-html-content');\n\nconst injectStyle = new InsertHtmlContent('\u003cstyle\u003ebody {color: red}\u003c/style\u003e');\n```\n\n## License\n\n[ISC License](./LICENSE) © 2018 - 2019 Watanabe Shinnosuke\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fshinnn%2Finsert-html-content","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fshinnn%2Finsert-html-content","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fshinnn%2Finsert-html-content/lists"}