Top 10 Examples of "shpjs in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'shpjs' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
message: ErrorMessages.UPLOAD_SHAPE_FILE.PARSING_ERROR,
});
};
if (fileExtension === "json") {
try {
this.props.onUpload(JSON.parse(contents));
} catch (error) {
showErrorState(error);
}
} else {
/* shp accepts shapefiles and GeoJSON zipped files:
* https://github.com/calvinmetcalf/shapefile-js/blob/gh-pages/lib/index.js#L59
*/
shp(contents)
.then(geojson => {
this.props.onUpload(geojson);
/*
* remain in the "loading" state until the value comes
* back to the component in componentWillReceiveProps
*/
})
.catch(showErrorState);
}
};parse(data, options = {}) {
let result;
// If a zip is present, don't read anything else
if (data.zip) {
result = shp.parseZip(data.zip);
} else if (data.shp && data.shx && data.dbf) {
result = Promise.all([
shp.parseShp(data.shp, data.prj),
shp.parseDbf(data.dbf),
]).then(shp.combine);
}
options.crsIn = data.prj ? proj4(data.prj).oProj.datumName : undefined;
return Promise.resolve(result).then(res => GeoJsonParser.parse(res, options));
},
};parse(data, options = {}) {
let result;
// If a zip is present, don't read anything else
if (data.zip) {
result = shp.parseZip(data.zip);
} else if (data.shp && data.shx && data.dbf) {
result = Promise.all([
shp.parseShp(data.shp, data.prj),
shp.parseDbf(data.dbf),
]).then(shp.combine);
}
options.crsIn = data.prj ? proj4(data.prj).oProj.datumName : undefined;
return Promise.resolve(result).then(res => GeoJsonParser.parse(res, options));
},
};parse(data, options = {}) {
let result;
// If a zip is present, don't read anything else
if (data.zip) {
result = shp.parseZip(data.zip);
} else if (data.shp && data.shx && data.dbf) {
result = Promise.all([
shp.parseShp(data.shp, data.prj),
shp.parseDbf(data.dbf),
]).then(shp.combine);
}
options.crsIn = data.prj ? proj4(data.prj).oProj.datumName : undefined;
return Promise.resolve(result).then(res => GeoJsonParser.parse(res, options));
},
};parse(data, options = {}) {
let result;
// If a zip is present, don't read anything else
if (data.zip) {
result = shp.parseZip(data.zip);
} else if (data.shp && data.shx && data.dbf) {
result = Promise.all([
shp.parseShp(data.shp, data.prj),
shp.parseDbf(data.dbf),
]).then(shp.combine);
}
options.crsIn = data.prj ? proj4(data.prj).oProj.datumName : undefined;
return Promise.resolve(result).then(res => GeoJsonParser.parse(res, options));
},
};reader.onload = e => {
const arrayBuff = reader.result
shp(arrayBuff).then(geojson => {
console.log(geojson)
geojson.key = Math.random()
dispatch(receivedRoutesShapefile(feedSource, geojson))
})
}
reader.readAsArrayBuffer(file)reader.addEventListener('loadend', () => {
const blob = reader.result;
shp(blob).then(json => {
FileUtil.addGeojsonLayer(json, map);
});
});
}reader.addEventListener('loadend', () => {
const blob = reader.result;
shp(blob).then(json => {
FileUtil.addGeojsonLayer(json, map);
});
});
}reader.onload = function () {
if (reader.readyState != 2 || reader.error) {
return;
} else {
shp(reader.result).then(function (geojson) {
addLayer(geojson);
}).catch(function (err) {
err.message = "Not a proper zipped shapefile " + file.name;
cb(err);
})
}
}
reader.readAsArrayBuffer(file);shapefileRead = (e: ProgressEvent & {target: EventTarget}) => {
debug(`read ${e.target.result.byteLength} bytes`)
const shapefile = shp.parseZip(e.target.result)
const properties = []
for (const key in shapefile.features[0].properties) {
if (shapefile.features[0].properties.hasOwnProperty(key)) {
properties.push(key)
}
}
this.setState({
shapefile,
properties,
nameProp: properties[0],
freqProp: properties[0],
speedProp: properties[0],
error: undefined
})