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feat: webpackChain options

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Implement { last: true }
This commit is contained in:
Igor Randjelovic
2020-11-25 18:46:25 +01:00
parent d9a93040fe
commit 803958266d
2 changed files with 55 additions and 15 deletions
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35
packages/webpack5/src/index.ts
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@ -30,7 +30,11 @@ export interface IWebpackEnv {
// todo: add others
}
let webpackChains: any[] = [];
let webpackChains = {
base: [],
normal: [],
last: [],
};
let webpackMerges: any[] = [];
let explicitUseConfig = false;
let hasInitialized = false;
@ -54,7 +58,7 @@ export function init(_env: IWebpackEnv) {
export function useConfig(config: keyof typeof defaultConfigs | false) {
explicitUseConfig = true;
if (config) {
webpackChains.unshift(configs[config]);
webpackChains.base.push(configs[config]);
}
}
@ -62,8 +66,8 @@ export function chainWebpack(
chainFn: (config: Config, env: IWebpackEnv) => any,
options?: { last?: boolean }
) {
// todo: handle options.last by storing them in a separate array?
webpackChains.push(chainFn);
const type = options?.last ? 'last' : 'normal';
webpackChains[type].push(chainFn);
}
export function mergeWebpack(
@ -75,7 +79,7 @@ export function mergeWebpack(
webpackMerges.push(mergeFn);
}
export function resolveChainableConfig() {
export function resolveChainableConfig(): Config {
const config = new Config();
if (!explicitUseConfig) {
@ -86,10 +90,19 @@ export function resolveChainableConfig() {
// todo: allow opt-out
applyExternalConfigs();
// this applies all chain configs
webpackChains.forEach((chainFn) => {
return chainFn(config, env);
});
const applyChains = (chains) => {
// this applies the chain configs
chains.forEach((chainFn) => {
return chainFn(config, env);
});
};
// first we apply base configs
applyChains(webpackChains.base);
// then regular configs
applyChains(webpackChains.normal);
// finally configs that opted to be called last
applyChains(webpackChains.last);
if (env.verbose) {
info('Resolved chainable config (before merges):');
@ -99,7 +112,9 @@ export function resolveChainableConfig() {
return config;
}
export function resolveConfig(chainableConfig = resolveChainableConfig()) {
export function resolveConfig(
chainableConfig = resolveChainableConfig()
): webpack.Configuration {
if (!hasInitialized) {
throw error('resolveConfig() must be called after init()');
}