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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| const isUserCode = (mod) => !mod.name.match(/(node_modules|webpack\/runtime)/); | ||
|
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| const modToParts = (m) => [ | ||
| m.name, | ||
| m.modules && m.modules.map(modToParts), | ||
| [...new Set(m.reasons.map((r) => r.moduleName))], | ||
| ]; | ||
|
|
||
| // TODO -- obviously this can depend on (-C) | ||
| const STORYBOOK_DIR = './.storybook'; | ||
| // NOTE: this only works with `main:stories` -- if stories are imported from files in `.storybook/preview.js` | ||
| // we'll need a different approach to figure out CSF files (maybe the user should pass a glob?). | ||
| const STORIES_ENTRY = `${STORYBOOK_DIR}/generated-stories-entry.js`; | ||
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| export function statsToDependencies(stats) { | ||
| const { modules } = stats; | ||
| // console.dir(modules.filter(isUserCode).map(modToParts), { depth: null }); | ||
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| const idsMap = {}; // Map module name to id | ||
| const reasonsMap = {}; // A reason is a dependent ==> map id to reasons | ||
| const isCsfGlob = {}; // Is a given module name a CSF glob specified in a `require.context()` | ||
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| modules.filter(isUserCode).forEach((mod) => { | ||
| if (mod.id) { | ||
| idsMap[mod.name] = mod.id; | ||
| (mod.modules ? mod.modules.map((m) => m.name) : []).forEach((name) => { | ||
| idsMap[name] = mod.id; | ||
| }); | ||
| } | ||
|
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| reasonsMap[mod.id] = mod.reasons | ||
| .map((r) => r.moduleName) | ||
| .filter(Boolean) | ||
| .filter((n) => n !== mod.name); | ||
|
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| if (reasonsMap[mod.id].includes(STORIES_ENTRY)) { | ||
| isCsfGlob[mod.name] = true; | ||
| } | ||
| }); | ||
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| return { idsMap, reasonsMap, isCsfGlob }; | ||
| } | ||
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| export function getDependentStoryFiles(changedFiles, stats) { | ||
| const { idsMap, reasonsMap, isCsfGlob } = statsToDependencies(stats); | ||
| const reverseIdsMap = Object.fromEntries(Object.entries(idsMap).map(([name, id]) => [id, name])); | ||
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| const checkedIds = {}; | ||
| const toCheck = []; | ||
| const allChangedNames = new Set(); | ||
| let bailFile; // We need to bail out and check everything | ||
| const changedCsfIds = new Set(); | ||
|
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| function reachName(name) { | ||
| // Don't look any further, we've reached the CSF glob. | ||
| if (isCsfGlob[name]) { | ||
| return; | ||
| } | ||
|
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| allChangedNames.add(name); | ||
| if (name.startsWith(STORYBOOK_DIR) && name !== STORIES_ENTRY) { | ||
| bailFile = name; | ||
| } | ||
|
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| const id = idsMap[name]; | ||
| if (!id) { | ||
| return; | ||
| // throw new Error(`Didn't find module ${name}`); | ||
| } | ||
|
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| if (checkedIds[id]) { | ||
| return; | ||
| } | ||
|
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| // Schedule this module to be checked | ||
| toCheck.push(id); | ||
|
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| const isCsf = !!reasonsMap[id].find((reasonName) => isCsfGlob[reasonName]); | ||
| if (isCsf) { | ||
| changedCsfIds.add(id); | ||
| } | ||
| } | ||
|
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| changedFiles.map(reachName); | ||
|
|
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| while (toCheck.length > 0) { | ||
| const id = toCheck.pop(); | ||
|
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| checkedIds[id] = true; | ||
| reasonsMap[id].map(reachName); | ||
| } | ||
|
|
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| return bailFile ? false : [...changedCsfIds].map((id) => reverseIdsMap[id]); | ||
| } |
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@ghengeveld can we tweak this working to "Only snapshot stories..." please