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[editor] Use the fit-curve package (issue 15004)

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Rather than including all of this external code in the PDF.js repository, we should be using the npm package instead.
Unfortunately this is slightly more complicated than you'd hope, since the `fit-curve` package (which is older) isn't directly compatible with modern JavaScript modules.
In particular, the following cases needed to be considered:
 - For the development viewer (i.e. `gulp server`) and the unit-tests, we thus need to build a fitCurve-bundle that can be directly `import`ed.
 - For the actual PDF.js build-targets, we can slightly reduce the sizes by depending on the "raw" `fit-curve` source-code.
 - For the Node.js unit-tests, the `fit-curve` package can be used as-is.
This commit is contained in:
Jonas Jenwald 2022-07-06 23:02:53 +02:00
parent bde46632d4
commit 345bb18575
12 changed files with 194 additions and 708 deletions
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139
gulpfile.js
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@ -231,11 +231,15 @@ function createWebpackConfig(
);
}
const experiments =
output.library?.type === "module" ? { outputModule: true } : undefined;
// Required to expose e.g., the `window` object.
output.globalObject = "globalThis";
return {
mode: "none",
experiments,
output,
performance: {
hints: false, // Disable messages about larger file sizes.
@ -246,6 +250,7 @@ function createWebpackConfig(
pdfjs: path.join(__dirname, "src"),
"pdfjs-web": path.join(__dirname, "web"),
"pdfjs-lib": path.join(__dirname, "web/pdfjs"),
"pdfjs-fitCurve": path.join(__dirname, "src/display/editor/fit_curve"),
},
},
devtool: enableSourceMaps ? "source-map" : undefined,
@ -511,6 +516,26 @@ function createImageDecodersBundle(defines) {
.pipe(replaceJSRootName(imageDecodersAMDName, "pdfjsImageDecoders"));
}
function createFitCurveBundle(defines) {
const fitCurveOutputName = "fit_curve.js";
const fitCurveFileConfig = createWebpackConfig(
defines,
{
filename: fitCurveOutputName,
library: {
type: "module",
},
},
{
disableVersionInfo: true,
}
);
return gulp
.src("src/display/editor/fit_curve.js")
.pipe(webpack2Stream(fitCurveFileConfig));
}
function createCMapBundle() {
return gulp.src(["external/bcmaps/*.bcmap", "external/bcmaps/LICENSE"], {
base: "external/bcmaps",
@ -1503,6 +1528,7 @@ function buildLibHelper(bundleDefines, inputStream, outputDir) {
defines: bundleDefines,
map: {
"pdfjs-lib": "../pdf",
"pdfjs-fitCurve": "./fit_curve",
},
};
const licenseHeaderLibre = fs
@ -1643,54 +1669,90 @@ function setTestEnv(done) {
done();
}
gulp.task("dev-fitCurve", function createDevFitCurve() {
console.log();
console.log("### Building development fitCurve");
const defines = builder.merge(DEFINES, { GENERIC: true, TESTING: true });
const fitCurveDir = BUILD_DIR + "dev-fitCurve/";
rimraf.sync(fitCurveDir);
return createFitCurveBundle(defines).pipe(gulp.dest(fitCurveDir));
});
gulp.task(
"test",
gulp.series(setTestEnv, "generic", "components", function runTest() {
return streamqueue(
{ objectMode: true },
createTestSource("unit"),
createTestSource("browser"),
createTestSource("integration")
);
})
gulp.series(
setTestEnv,
"generic",
"components",
"dev-fitCurve",
function runTest() {
return streamqueue(
{ objectMode: true },
createTestSource("unit"),
createTestSource("browser"),
createTestSource("integration")
);
}
)
);
gulp.task(
"bottest",
gulp.series(setTestEnv, "generic", "components", function runBotTest() {
return streamqueue(
{ objectMode: true },
createTestSource("unit", { bot: true }),
createTestSource("font", { bot: true }),
createTestSource("browser", { bot: true }),
createTestSource("integration")
);
})
gulp.series(
setTestEnv,
"generic",
"components",
"dev-fitCurve",
function runBotTest() {
return streamqueue(
{ objectMode: true },
createTestSource("unit", { bot: true }),
createTestSource("font", { bot: true }),
createTestSource("browser", { bot: true }),
createTestSource("integration")
);
}
)
);
gulp.task(
"xfatest",
gulp.series(setTestEnv, "generic", "components", function runXfaTest() {
return streamqueue(
{ objectMode: true },
createTestSource("unit"),
createTestSource("browser", { xfaOnly: true }),
createTestSource("integration")
);
})
gulp.series(
setTestEnv,
"generic",
"components",
"dev-fitCurve",
function runXfaTest() {
return streamqueue(
{ objectMode: true },
createTestSource("unit"),
createTestSource("browser", { xfaOnly: true }),
createTestSource("integration")
);
}
)
);
gulp.task(
"botxfatest",
gulp.series(setTestEnv, "generic", "components", function runBotXfaTest() {
return streamqueue(
{ objectMode: true },
createTestSource("unit", { bot: true }),
createTestSource("font", { bot: true }),
createTestSource("browser", { bot: true, xfaOnly: true }),
createTestSource("integration")
);
})
gulp.series(
setTestEnv,
"generic",
"components",
"dev-fitCurve",
function runBotXfaTest() {
return streamqueue(
{ objectMode: true },
createTestSource("unit", { bot: true }),
createTestSource("font", { bot: true }),
createTestSource("browser", { bot: true, xfaOnly: true }),
createTestSource("integration")
);
}
)
);
gulp.task(
@ -1717,7 +1779,7 @@ gulp.task(
gulp.task(
"unittest",
gulp.series(setTestEnv, "generic", function runUnitTest() {
gulp.series(setTestEnv, "generic", "dev-fitCurve", function runUnitTest() {
return createTestSource("unit");
})
);
@ -1975,6 +2037,13 @@ gulp.task(
gulp.series("dev-css")
);
},
function watchDevFitCurve() {
gulp.watch(
["src/display/editor/*"],
{ ignoreInitial: false },
gulp.series("dev-fitCurve")
);
},
function watchDevSandbox() {
gulp.watch(
[