39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
// @flow
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const fs = require("fs-extra");
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const path = require("path");
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// Note: the following type-import just resolves to `any`.
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/*:: import type {Compiler} from "webpack"; */
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module.exports = class RemoveBuildDirectoryPlugin {
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apply(compiler /*: Compiler */) {
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if (compiler.hooks) {
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console.warn(
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"" +
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"You appear to be running Webpack >= 4. " +
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"The RemoveBuildDirectoryPlugin should be forward-compatible, " +
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"but you should update it to use the new APIs. See " +
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"<https://github.com/webpack/webpack/releases/tag/v4.0.0-beta.0> " +
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"for details."
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);
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}
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compiler.plugin("compile", () => {
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const outputPath = compiler.options.output.path;
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// If a build config has no `output.path` property, and no
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// `--output-path` is passed on the command line, then Webpack
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// will default to building into the current directory. Removing
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// the whole Git repository would be mighty rude, so we protect
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// against that case.
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if (fs.existsSync(path.join(outputPath, ".git"))) {
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throw new Error(
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"Refusing to remove build directory with a Git repository: " +
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outputPath
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);
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}
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console.warn("Removing contents of build directory: " + outputPath);
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fs.emptyDirSync(outputPath);
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});
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}
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};
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