Examples with JSError com.google.javascript.jscomp.JSError used on opensource projects

Example 6 with JSError

use of com.google.javascript.jscomp.JSError in project closure-compiler by google.

the class CompilerBasedTransformer method transform.

@Override
public Source transform(Source input) {
    CompileResult result = compilerSupplier.compile(input.path(), input.code());
    if (result.errors.length > 0) {
        // TODO(sdh): how to handle this?  Currently we throw an ISE with the message,
        // but this may not be the most appropriate option.  It might make sense to
        // add console.log() statements to any JS that comes out, particularly for
        // warnings.
        MessageFormatter formatter = ErrorFormat.SOURCELESS.toFormatter(null, false);
        StringBuilder message = new StringBuilder().append(getTranformationName()).append(" failed.\n");
        for (JSError error : result.errors) {
            message.append(formatter.formatError(error));
        }
        throw new IllegalStateException(message.toString());
    }
    if (!result.transformed) {
        return input;
    }
    Source.Builder builder = input.toBuilder().setCode(result.source).setSourceMap(result.sourceMap);
    if (getRuntime().isPresent()) {
        builder.addRuntime(compilerSupplier.runtime(getRuntime().get()));
    }
    return builder.build();
}

Example 7 with JSError

use of com.google.javascript.jscomp.JSError in project closure-compiler by google.

the class ErrorToFixMapperTest method testImplicitNullability3.

@Test
public void testImplicitNullability3() {
    String originalCode = LINE_JOINER.join("/**", " * Some non-ASCII characters: αβγδε", " * @param {Object} o", " */", "function f(o) {}");
    compiler.compile(// Externs
    ImmutableList.<SourceFile>of(), ImmutableList.of(SourceFile.fromCode("test", originalCode)), options);
    assertThat(compiler.getErrors()).isEmpty();
    JSError[] warnings = compiler.getWarnings();
    assertThat(warnings).hasLength(1);
    JSError warning = warnings[0];
    List<SuggestedFix> fixes = ErrorToFixMapper.getFixesForJsError(warning, compiler);
    assertThat(fixes).hasSize(2);
    // First fix is to add "!"
    String newCode = ApplySuggestedFixes.applySuggestedFixesToCode(ImmutableList.of(fixes.get(0)), ImmutableMap.of("test", originalCode)).get("test");
    String expected = LINE_JOINER.join("/**", " * Some non-ASCII characters: αβγδε", " * @param {?Object} o", " */", "function f(o) {}");
    assertThat(newCode).isEqualTo(expected);
    // Second fix is to add "?"
    newCode = ApplySuggestedFixes.applySuggestedFixesToCode(ImmutableList.of(fixes.get(1)), ImmutableMap.of("test", originalCode)).get("test");
    expected = LINE_JOINER.join("/**", " * Some non-ASCII characters: αβγδε", " * @param {!Object} o", " */", "function f(o) {}");
    assertThat(newCode).isEqualTo(expected);
}

Example 8 with JSError

use of com.google.javascript.jscomp.JSError in project closure-compiler by google.

the class ErrorToFixMapperTest method testImplicitNullability1.

@Test
public void testImplicitNullability1() {
    String originalCode = "/** @type {Object} */ var o;";
    compiler.compile(// Externs
    ImmutableList.<SourceFile>of(), ImmutableList.of(SourceFile.fromCode("test", originalCode)), options);
    assertThat(compiler.getErrors()).isEmpty();
    JSError[] warnings = compiler.getWarnings();
    assertThat(warnings).hasLength(1);
    JSError warning = warnings[0];
    List<SuggestedFix> fixes = ErrorToFixMapper.getFixesForJsError(warning, compiler);
    assertThat(fixes).hasSize(2);
    // First fix is to add "!"
    String newCode = ApplySuggestedFixes.applySuggestedFixesToCode(ImmutableList.of(fixes.get(0)), ImmutableMap.of("test", originalCode)).get("test");
    assertThat(newCode).isEqualTo("/** @type {?Object} */ var o;");
    // Second fix is to add "?"
    newCode = ApplySuggestedFixes.applySuggestedFixesToCode(ImmutableList.of(fixes.get(1)), ImmutableMap.of("test", originalCode)).get("test");
    assertThat(newCode).isEqualTo("/** @type {!Object} */ var o;");
}

Example 9 with JSError

use of com.google.javascript.jscomp.JSError in project structr by structr.

the class MinifiedJavaScriptFile method minify.

static void minify(final MinifiedJavaScriptFile thisFile) throws FrameworkException, IOException {
    logger.info("Running minify: {}", thisFile.getUuid());
    final com.google.javascript.jscomp.Compiler compiler = new com.google.javascript.jscomp.Compiler();
    final SecurityContext securityContext = thisFile.getSecurityContext();
    final CompilerOptions options = new CompilerOptions();
    final CompilationLevel selectedLevel = CompilationLevel.valueOf(thisFile.getOptimizationLevel());
    selectedLevel.setOptionsForCompilationLevel(options);
    compiler.setErrorManager(new BasicErrorManager() {

        @Override
        public void println(final CheckLevel level, final JSError error) {
        }

        @Override
        protected void printSummary() {
            if (getTypedPercent() > 0) {
                if (getErrorCount() + getWarningCount() == 0) {
                    logger.info(SimpleFormat.format("%d error(s), %d warning(s), %.1f%% typed", getErrorCount(), getWarningCount(), getTypedPercent()));
                } else {
                    logger.warn(SimpleFormat.format("%d error(s), %d warning(s), %.1f%% typed", getErrorCount(), getWarningCount(), getTypedPercent()));
                }
            } else if (getErrorCount() + getWarningCount() > 0) {
                logger.warn(SimpleFormat.format("%d error(s), %d warning(s)", getErrorCount(), getWarningCount()));
            }
        }
    });
    compiler.compile(CommandLineRunner.getBuiltinExterns(options.getEnvironment()), MinifiedJavaScriptFile.getSourceFileList(thisFile), options);
    FileHelper.setFileData(thisFile, compiler.toSource().getBytes(), thisFile.getContentType());
    final PropertyMap changedProperties = new PropertyMap();
    changedProperties.put(StructrApp.key(MinifiedJavaScriptFile.class, "warnings"), StringUtils.join(compiler.getWarnings(), System.lineSeparator()));
    changedProperties.put(StructrApp.key(MinifiedJavaScriptFile.class, "errors"), StringUtils.join(compiler.getErrors(), System.lineSeparator()));
    thisFile.setProperties(securityContext, changedProperties);
}