{"id":20391943,"url":"https://github.com/aganglada/pattern-replace-loader","last_synced_at":"2025-04-12T11:42:07.181Z","repository":{"id":54361067,"uuid":"81585230","full_name":"aganglada/pattern-replace-loader","owner":"aganglada","description":"🔬 Pattern replace loader for webpack","archived":false,"fork":false,"pushed_at":"2022-11-15T21:40:13.000Z","size":24,"stargazers_count":5,"open_issues_count":1,"forks_count":4,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-03-26T06:24:09.107Z","etag":null,"topics":["regex","replace","string","webpack","webpack-loader"],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/aganglada.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":"2017-02-10T16:44:07.000Z","updated_at":"2022-02-11T11:34:45.000Z","dependencies_parsed_at":"2023-01-22T05:48:50.820Z","dependency_job_id":null,"html_url":"https://github.com/aganglada/pattern-replace-loader","commit_stats":null,"previous_names":[],"tags_count":2,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/aganglada%2Fpattern-replace-loader","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/aganglada%2Fpattern-replace-loader/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/aganglada%2Fpattern-replace-loader/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/aganglada%2Fpattern-replace-loader/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/aganglada","download_url":"https://codeload.github.com/aganglada/pattern-replace-loader/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248563612,"owners_count":21125313,"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":["regex","replace","string","webpack","webpack-loader"],"created_at":"2024-11-15T03:37:51.456Z","updated_at":"2025-04-12T11:42:07.163Z","avatar_url":"https://github.com/aganglada.png","language":"JavaScript","readme":"# 🔬 pattern-replace-loader\n\u003c!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section --\u003e\n[![All Contributors](https://img.shields.io/badge/all_contributors-2-orange.svg?style=flat-square)](#contributors-)\n\u003c!-- ALL-CONTRIBUTORS-BADGE:END --\u003e\nPattern replace loader for [webpack](https://webpack.js.org/)\n\nPerform plain string and regular expressions. \n\n## Install:\n\n```bash\n$ npm install --save-dev pattern-replace-loader\n```\n\nor using yarn\n\n```bash\n$ yarn add pattern-replace-loader --dev\n```\n\n## Usage:\n\n**Plain**: It uses [String.prototype.replace()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace) to perform replaces in file contents.\n\n**Regex**: It will go and look for all the occurrences of what you've specified  in `options.search` with `g` flag in `options.flags`, etc.\n\n### Plain replacement:\n\nIn your `webpack.config.js`:\n\n```javascript\nmodule.exports = {\n  // ...\n  module: {\n    rules: [\n      {\n        test: /filename\\.js$/,\n        loader: 'pattern-replace-loader',\n        options: {\n          search: '[variable]',\n          replace: 'Hello'\n        }\n      }\n    ]\n  }\n}\n```\n\n### RegExp replacement:\n\nTo be able to use RegExp in yuor replacement you should specify `flags` in the options param. In this case, `search` and `flags` are being\npassed to the [RegExp](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp) constructor.\n\nIn your `webpack.config.js`:\n\n```javascript\nmodule.exports = {\n  // ...\n  module: {\n    rules: [\n      {\n        test: /filename\\.js$/,\n        loader: 'pattern-replace-loader',\n        options: {\n          search: '[variable]',\n          replace: 'Hello',\n          flags: 'gi'\n        }\n      }\n    ]\n  }\n}\n```\n\n### Multiple replacement:\n\nAlso, you can pass an array of objects of search/replace pairs this way:\n\nIn your `webpack.config.js`:\n\n```javascript\nmodule.exports = {\n  // ...\n  module: {\n    rules: [\n      {\n        test: /\\.js$/,\n        loader: 'pattern-replace-loader',\n        options: {\n          multiple: [\n             { search: '[variable1]', replace: 'Hello' },\n             { search: '[variable2]', replace: 'Bye!' }\n          ]\n        }\n      }\n    ]\n  }\n}\n```\n\n### Verbose output:\nYou can enable verbose output to check which files have been processed by the replace loader.\nIn your `webpack.config.js`:\n\n```javascript\nmodule.exports = {\n  // ...\n  module: {\n    rules: [\n      {\n        test: /filename\\.js$/,\n        loader: 'pattern-replace-loader',\n        options: {\n          verbose: true,\n          search: '[variable]',\n          replace: 'Hello'\n        }\n      }\n    ]\n  }\n}\n```\n\n## Contributing:\n\nFeel free to open issues to propose stuff and participate. \n\nPull requests are also welcome.\n\n## Licence:\n\n[MIT](http://en.wikipedia.org/wiki/MIT_License)\n\n## Contributors ✨\n\nThanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):\n\n\u003c!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section --\u003e\n\u003c!-- prettier-ignore-start --\u003e\n\u003c!-- markdownlint-disable --\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003ctd align=\"center\"\u003e\u003ca href=\"https://aganglada.com\"\u003e\u003cimg src=\"https://avatars.githubusercontent.com/u/922348?v=4?s=100\" width=\"100px;\" alt=\"\"/\u003e\u003cbr /\u003e\u003csub\u003e\u003cb\u003eAlejandro Garcia Anglada\u003c/b\u003e\u003c/sub\u003e\u003c/a\u003e\u003cbr /\u003e\u003ca href=\"https://github.com/aganglada/pattern-replace-loader/commits?author=aganglada\" title=\"Code\"\u003e💻\u003c/a\u003e \u003ca href=\"#ideas-aganglada\" title=\"Ideas, Planning, \u0026 Feedback\"\u003e🤔\u003c/a\u003e\u003c/td\u003e\n    \u003ctd align=\"center\"\u003e\u003ca href=\"https://github.com/mathiasscheffe\"\u003e\u003cimg src=\"https://avatars.githubusercontent.com/u/62892503?v=4?s=100\" width=\"100px;\" alt=\"\"/\u003e\u003cbr /\u003e\u003csub\u003e\u003cb\u003emathiasscheffe\u003c/b\u003e\u003c/sub\u003e\u003c/a\u003e\u003cbr /\u003e\u003ca href=\"https://github.com/aganglada/pattern-replace-loader/commits?author=mathiasscheffe\" title=\"Code\"\u003e💻\u003c/a\u003e\u003c/td\u003e\n  \u003c/tr\u003e\n\u003c/table\u003e\n\n\u003c!-- markdownlint-restore --\u003e\n\u003c!-- prettier-ignore-end --\u003e\n\n\u003c!-- ALL-CONTRIBUTORS-LIST:END --\u003e\n\nThis project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Faganglada%2Fpattern-replace-loader","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Faganglada%2Fpattern-replace-loader","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Faganglada%2Fpattern-replace-loader/lists"}