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Updated the custom configs for mapper

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This commit is contained in:
Sambo Chea 2021-03-29 19:27:06 +07:00
parent 53e7af0f20
commit d5c75e8644
3 changed files with 53 additions and 23 deletions
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17
examples/excel2json/README.md
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@ -1,17 +1,22 @@
# Excel 2 Json # excel2json
- Read file excel to json - Read file excel to json
- Custom mapping with custom columns - Custom mapping with custom columns and configs
# Build # Build
```shell ```shell
bash build bash build
``` ```
OR OR
```shell ```shell
make build run make build run
``` ```
# Example # Example
```shell ```shell
docker run -v /my/path:/app/data --rm -it cubetiq/node-excel2json docker run -v /my/path:/app/data --rm -it cubetiq/node-excel2json
``` ```
@ -21,6 +26,7 @@ docker run -v /home/sombochea/excel2json:/app/data -e APP_NAME="EXCEL 2 JSON" -e
``` ```
# Mapper Config # Mapper Config
```json ```json
{ {
"data": [ "data": [
@ -33,11 +39,16 @@ docker run -v /home/sombochea/excel2json:/app/data -e APP_NAME="EXCEL 2 JSON" -e
"label": "Age" "label": "Age"
} }
], ],
"configs": {} "configs": {
"outputPath": "./data/outputs/exported",
"outputName": "my_exported_data",
"sheetName": "Sheet1"
}
} }
``` ```
# Environment # Environment
```env ```env
APP_NAME=custom app name APP_NAME=custom app name
INPUT_FILE=./data/mydata.xlsx INPUT_FILE=./data/mydata.xlsx

6
examples/excel2json/data/mapper.json
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@ -9,5 +9,9 @@
"label": "Age" "label": "Age"
} }
], ],
"configs": {} "configs": {
"outputPath": "./data/outputs/exported",
"outputName": "my_exported_data",
"sheetName": "Sheet1"
}
} }

49
examples/excel2json/index.js
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@ -8,29 +8,37 @@ console.log("App Name =>", NAME);
const INPUT_FILE = process.env.INPUT_FILE || "./data/people.xlsx"; const INPUT_FILE = process.env.INPUT_FILE || "./data/people.xlsx";
const OUTPUT_PATH = process.env.OUTPUT_PATH || "./data/outputs"; const OUTPUT_PATH = process.env.OUTPUT_PATH || "./data/outputs";
const MAPPER_FILE = process.env.MAPPER_FILE || "./data/mapper.json"; const MAPPER_FILE = process.env.MAPPER_FILE || "./data/mapper.json";
const SHEET_NAME = process.env.SHEET_NAME || "Sheet1" const SHEET_NAME = process.env.SHEET_NAME || "Sheet1";
const ENCODING = process.env.ENCODING || "utf-8" const ENCODING = process.env.ENCODING || "utf-8";
// get mapper in string // get mapper in string
const mapperString = fs.readFileSync( var mapperString = undefined;
MAPPER_FILE, try {
{ encoding: ENCODING }, mapperString = fs.readFileSync(MAPPER_FILE, { encoding: ENCODING }, (err) => {
(err) => { if (err) {
if (err) throw err; console.error(err);
console.log("Load file suceed =>", MAPPER_FILE); }
console.log("Load file suceed =>", MAPPER_FILE);
});
} catch (err) {
console.error("read file error", err)
} }
);
// convert mapper from string to json object // convert mapper from string to json object
const mapperJson = JSON.parse(mapperString); const mapperJson = mapperString ? JSON.parse(mapperString) : {};
const columsData = mapperJson.data; const configs = mapperJson.configs || {};
const columsData = mapperJson.data || undefined;
// read workbook from excel file // read workbook from excel file
const wb = XLSX.readFile(INPUT_FILE); const wb = XLSX.readFile(configs.inputFile || INPUT_FILE);
const xlData = XLSX.utils.sheet_to_json(wb.Sheets[SHEET_NAME]); const xlData = XLSX.utils.sheet_to_json(wb.Sheets[configs.sheetName || SHEET_NAME]);
// mapping the data from read excel file // mapping the data from read excel file
const data = xlData.map((row) => { const data = xlData.map((row) => {
if (columsData == undefined || !columsData) {
return row;
}
var _r = {}; var _r = {};
columsData.map((col) => { columsData.map((col) => {
@ -41,13 +49,20 @@ const data = xlData.map((row) => {
}); });
console.log("Data read from excel and mapped\n", data); console.log("Data read from excel and mapped\n", data);
// parse a new path
const outputPath = configs.outputPath || OUTPUT_PATH
// check directory and create it if not exist // check directory and create it if not exist
if (!fs.existsSync(OUTPUT_PATH)) { if (!fs.existsSync(outputPath)) {
fs.mkdirSync(OUTPUT_PATH); fs.mkdirSync(outputPath, { recursive: true });
} }
// write to file // write to file
fs.writeFile(`${OUTPUT_PATH}/people_${new Date().getTime()}.json`, JSON.stringify(data), (err) => { fs.writeFileSync(
`${outputPath}/${configs.outputName || 'exported'}_${new Date().getTime()}.json`,
JSON.stringify(data),
(err) => {
if (err) throw err; if (err) throw err;
console.log("Write succeed!"); console.log("Write succeed!");
}); }
);