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Optimize haste map data structure for serialization/deserialization. #8171

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merged 10 commits into from Mar 20, 2019
Merged

Optimize haste map data structure for serialization/deserialization. #8171

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af0fe0f
Optimize haste map data structure for serialization/deserialization.
scotthovestadt Mar 20, 2019
f525183
Missing files.
scotthovestadt Mar 20, 2019
2b1e610
Wrong delim in test file.
scotthovestadt Mar 20, 2019
f9ed17b
Update CHANGELOG.md
scotthovestadt Mar 20, 2019
0e58c24
Fix crawler tests.
scotthovestadt Mar 20, 2019
9c1c092
Switch delim to `:` and extract to var.
scotthovestadt Mar 20, 2019
55d7373
Switch delim to \0.
scotthovestadt Mar 20, 2019
4dcf8fa
Fix dependency delim type.
scotthovestadt Mar 20, 2019
041063d
Remove unnecessary cache file version.
scotthovestadt Mar 20, 2019
c0de52e
Do not return empty element in dependency array.
scotthovestadt Mar 20, 2019
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2 changes: 1 addition & 1 deletion packages/jest-haste-map/src/HasteFS.ts
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Expand Up @@ -33,7 +33,7 @@ export default class HasteFS {

getDependencies(file: Config.Path): Array<string> | null {
const fileMetadata = this._getFileData(file);
return (fileMetadata && fileMetadata[H.DEPENDENCIES]) || null;
return (fileMetadata && fileMetadata[H.DEPENDENCIES].split('\t')) || null;
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}

getSha1(file: Config.Path): string | null {
Expand Down
60 changes: 23 additions & 37 deletions packages/jest-haste-map/src/__tests__/index.test.js
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Expand Up @@ -340,28 +340,28 @@ describe('HasteMap', () => {

expect(data.files).toEqual(
createMap({
'fruits/Banana.js': ['Banana', 32, 42, 1, ['Strawberry'], null],
'fruits/Pear.js': ['Pear', 32, 42, 1, ['Banana', 'Strawberry'], null],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 1, [], null],
'fruits/__mocks__/Pear.js': ['', 32, 42, 1, ['Melon'], null],
'fruits/Banana.js': ['Banana', 32, 42, 1, 'Strawberry', null],
'fruits/Pear.js': ['Pear', 32, 42, 1, 'Banana\tStrawberry', null],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 1, '', null],
'fruits/__mocks__/Pear.js': ['', 32, 42, 1, 'Melon', null],
// node modules
'fruits/node_modules/fbjs/lib/flatMap.js': [
'flatMap',
32,
42,
1,
[],
'',
null,
],
'fruits/node_modules/react/React.js': [
'React',
32,
42,
1,
['Component'],
'Component',
null,
],
'vegetables/Melon.js': ['Melon', 32, 42, 1, [], null],
'vegetables/Melon.js': ['Melon', 32, 42, 1, '', null],
}),
);

Expand Down Expand Up @@ -410,18 +410,11 @@ describe('HasteMap', () => {

// The node crawler returns "null" for the SHA-1.
data.files = createMap({
'fruits/Banana.js': ['Banana', 32, 42, 0, ['Strawberry'], null],
'fruits/Pear.js': [
'Pear',
32,
42,
0,
['Banana', 'Strawberry'],
null,
],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 0, [], null],
'fruits/__mocks__/Pear.js': ['', 32, 42, 0, ['Melon'], null],
'vegetables/Melon.js': ['Melon', 32, 42, 0, [], null],
'fruits/Banana.js': ['Banana', 32, 42, 0, 'Strawberry', null],
'fruits/Pear.js': ['Pear', 32, 42, 0, 'Banana\tStrawberry', null],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 0, '', null],
'fruits/__mocks__/Pear.js': ['', 32, 42, 0, 'Melon', null],
'vegetables/Melon.js': ['Melon', 32, 42, 0, '', null],
});

return Promise.resolve({
Expand All @@ -446,39 +439,39 @@ describe('HasteMap', () => {
32,
42,
1,
['Strawberry'],
'Strawberry',
'7772b628e422e8cf59c526be4bb9f44c0898e3d1',
],
'fruits/Pear.js': [
'Pear',
32,
42,
1,
['Banana', 'Strawberry'],
'Banana\tStrawberry',
'89d0c2cc11dcc5e1df50b8af04ab1b597acfba2f',
],
'fruits/Strawberry.js': [
'Strawberry',
32,
42,
1,
[],
'',
'e8aa38e232b3795f062f1d777731d9240c0f8c25',
],
'fruits/__mocks__/Pear.js': [
'',
32,
42,
1,
['Melon'],
'Melon',
'8d40afbb6e2dc78e1ba383b6d02cafad35cceef2',
],
'vegetables/Melon.js': [
'Melon',
32,
42,
1,
[],
'',
'f16ccf6f2334ceff2ddb47628a2c5f2d748198ca',
],
}),
Expand Down Expand Up @@ -626,18 +619,18 @@ describe('HasteMap', () => {
32,
42,
1,
['Blackberry'],
'Blackberry',
null,
],
'fruits/Strawberry.ios.js': [
'Strawberry',
32,
42,
1,
['Raspberry'],
'Raspberry',
null,
],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 1, ['Banana'], null],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 1, 'Banana', null],
}),
);

Expand Down Expand Up @@ -724,14 +717,7 @@ describe('HasteMap', () => {
expect(useBuitinsInContext(data.clocks)).toEqual(mockClocks);

const files = new Map(initialData.files);
files.set('fruits/Banana.js', [
'Banana',
32,
42,
1,
['Kiwi'],
null,
]);
files.set('fruits/Banana.js', ['Banana', 32, 42, 1, 'Kiwi', null]);

expect(useBuitinsInContext(data.files)).toEqual(files);

Expand Down Expand Up @@ -1102,7 +1088,7 @@ describe('HasteMap', () => {

expect(data.files).toEqual(
createMap({
'fruits/Banana.js': ['Banana', 32, 42, 1, ['Strawberry'], null],
'fruits/Banana.js': ['Banana', 32, 42, 1, 'Strawberry', null],
}),
);

Expand Down Expand Up @@ -1136,7 +1122,7 @@ describe('HasteMap', () => {

expect(data.files).toEqual(
createMap({
'fruits/Banana.js': ['Banana', 32, 42, 1, ['Strawberry'], null],
'fruits/Banana.js': ['Banana', 32, 42, 1, 'Strawberry', null],
}),
);
});
Expand Down
2 changes: 1 addition & 1 deletion packages/jest-haste-map/src/crawlers/node.ts
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Expand Up @@ -164,7 +164,7 @@ export = function nodeCrawl(
files.set(relativeFilePath, existingFile);
} else {
// See ../constants.js; SHA-1 will always be null and fulfilled later.
files.set(relativeFilePath, ['', mtime, size, 0, [], null]);
files.set(relativeFilePath, ['', mtime, size, 0, '', null]);
}
removedFiles.delete(relativeFilePath);
});
Expand Down
2 changes: 1 addition & 1 deletion packages/jest-haste-map/src/crawlers/watchman.ts
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Expand Up @@ -232,7 +232,7 @@ export = async function watchmanCrawl(
];
} else {
// See ../constants.ts
nextData = ['', mtime, size, 0, [], sha1hex];
nextData = ['', mtime, size, 0, '', sha1hex];
}

const mappings = options.mapper ? options.mapper(filePath) : null;
Expand Down
8 changes: 5 additions & 3 deletions packages/jest-haste-map/src/index.ts
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Expand Up @@ -326,7 +326,7 @@ class HasteMap extends EventEmitter {
name: string,
...extra: Array<string>
): string {
const hash = crypto.createHash('md5').update(extra.join(''));
const hash = crypto.createHash('md5').update(extra.join('') + 'v2');
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return path.join(
tmpdir,
name.replace(/\W/g, '-') + '-' + hash.digest('hex'),
Expand Down Expand Up @@ -522,7 +522,9 @@ class HasteMap extends EventEmitter {
setModule(metadataId, metadataModule);
}

fileMetadata[H.DEPENDENCIES] = metadata.dependencies || [];
fileMetadata[H.DEPENDENCIES] = metadata.dependencies
? metadata.dependencies.join('\t')
: '';

if (computeSha1) {
fileMetadata[H.SHA1] = metadata.sha1;
Expand Down Expand Up @@ -940,7 +942,7 @@ class HasteMap extends EventEmitter {
stat ? stat.mtime.getTime() : -1,
stat ? stat.size : 0,
0,
[],
'',
null,
];
hasteMap.files.set(relativeFilePath, fileMetadata);
Expand Down
2 changes: 1 addition & 1 deletion packages/jest-haste-map/src/types.ts
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Expand Up @@ -51,7 +51,7 @@ export type FileMetaData = [
/* mtime */ number,
/* size */ number,
/* visited */ 0 | 1,
/* dependencies */ Array<string>,
/* dependencies */ string,
/* sha1 */ string | null | undefined
];

Expand Down