* Applies the plugin by registering its hooks on the compiler. * @param {Compiler} compiler the compiler instance * @returns {void}
(compiler)
| 29 | * @returns {void} |
| 30 | */ |
| 31 | apply(compiler) { |
| 32 | compiler.hooks.validate.tap(PLUGIN_NAME, () => { |
| 33 | compiler.validate( |
| 34 | () => require("../../schemas/plugins/optimize/MinChunkSizePlugin.json"), |
| 35 | this.options, |
| 36 | { |
| 37 | name: "Min Chunk Size Plugin", |
| 38 | baseDataPath: "options" |
| 39 | }, |
| 40 | (options) => |
| 41 | require("../../schemas/plugins/optimize/MinChunkSizePlugin.check")( |
| 42 | options |
| 43 | ) |
| 44 | ); |
| 45 | }); |
| 46 | compiler.hooks.compilation.tap(PLUGIN_NAME, (compilation) => { |
| 47 | compilation.hooks.optimizeChunks.tap( |
| 48 | { |
| 49 | name: PLUGIN_NAME, |
| 50 | stage: STAGE_ADVANCED |
| 51 | }, |
| 52 | (chunks) => { |
| 53 | const chunkGraph = compilation.chunkGraph; |
| 54 | const equalOptions = { |
| 55 | chunkOverhead: 1, |
| 56 | entryChunkMultiplicator: 1 |
| 57 | }; |
| 58 | |
| 59 | /** @type {Map<Chunk, number>} */ |
| 60 | const chunkSizesMap = new Map(); |
| 61 | /** @type {[Chunk, Chunk][]} */ |
| 62 | const combinations = []; |
| 63 | /** @type {Chunk[]} */ |
| 64 | const smallChunks = []; |
| 65 | /** @type {Chunk[]} */ |
| 66 | const visitedChunks = []; |
| 67 | for (const a of chunks) { |
| 68 | // check if one of the chunks sizes is smaller than the minChunkSize |
| 69 | // and filter pairs that can NOT be integrated! |
| 70 | if ( |
| 71 | chunkGraph.getChunkSize(a, equalOptions) < |
| 72 | this.options.minChunkSize |
| 73 | ) { |
| 74 | smallChunks.push(a); |
| 75 | for (const b of visitedChunks) { |
| 76 | if (chunkGraph.canChunksBeIntegrated(b, a)) { |
| 77 | combinations.push([b, a]); |
| 78 | } |
| 79 | } |
| 80 | } else { |
| 81 | for (const b of smallChunks) { |
| 82 | if (chunkGraph.canChunksBeIntegrated(b, a)) { |
| 83 | combinations.push([b, a]); |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | chunkSizesMap.set(a, chunkGraph.getChunkSize(a, this.options)); |
| 88 | visitedChunks.push(a); |
nothing calls this directly
no test coverage detected