Compare commits
3 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| ccf3fcb043 | |||
| 341ef37205 | |||
| 0eab2630ad |
@ -6,9 +6,14 @@
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</head>
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</head>
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<body>
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<body>
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<script type="module">
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<script type="module">
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import {toCsv} from './dist/index.mjs';
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import {fromCsv, toCsv} from './dist/index.mjs';
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console.log(toCsv([{test:123, test2: {test: [1, 2, 3, 4], test3: true, test4: 'okay'}}]));
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const csv = '' +
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'_id,any,boolean,date,file,foreignKey,formula,javaScript,number,string,_createdBy,_createdDate,_updatedBy,_updatedDate\n' +
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'48,"test,test,test",,,,,,,,,system,2024-11-09T19:05:04.932Z,system,2024-11-09T19:05:04.932Z\n' +
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'49,,,,,,,,,,system,2024-11-09T19:05:04.933Z,system,2024-11-09T19:05:04.933Z';
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console.log(fromCsv(csv, false));
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</script>
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</script>
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</body>
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</body>
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</html>
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</html>
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@ -1,6 +1,6 @@
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{
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{
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"name": "@ztimson/utils",
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"name": "@ztimson/utils",
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"version": "0.22.3",
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"version": "0.22.6",
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"description": "Utility library",
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"description": "Utility library",
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"author": "Zak Timson",
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"author": "Zak Timson",
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"license": "MIT",
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"license": "MIT",
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38
src/csv.ts
38
src/csv.ts
@ -1,5 +1,41 @@
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import {ASet} from './aset.ts';
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import {ASet} from './aset.ts';
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import {dotNotation, flattenObj, JSONAttemptParse, JSONSanitize} from './objects.ts';
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import {dotNotation, flattenObj, JSONSanitize} from './objects.ts';
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import {LETTER_LIST} from './string.ts';
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export function fromCsv<T = any>(csv: string, hasHeaders=true): T[] {
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const row = csv.split('\n');
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let headers: any = hasHeaders ? row.splice(0, 1)[0] : null;
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if(headers) headers = headers.match(/(?:[^,"']+|"[^"]*"|'[^']*')+/g);
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return <T[]>row.map(r => {
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function parseLine(line: string): (string | null)[] {
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const parts = line.split(','), columns: string[] = [];
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let quoted = false;
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for(const p of parts) {
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if(quoted) columns[columns.length - 1] = columns.at(-1) + ',' + p;
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else columns.push(p);
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if(/[^"]"$/g.test(p)) {
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quoted = false;
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} else if(/^"[^"]/g.test(p)) {
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quoted = true;
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}
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}
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return columns;
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}
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const props = parseLine(r);
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const h = headers || (Array(props.length).fill(null).map((r, i) => {
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let letter = '';
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const first = i / 26;
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if(first > 1) letter += LETTER_LIST[Math.floor(first - 1)];
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letter += LETTER_LIST[i % 26];
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return letter;
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}));
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return h.reduce((acc: any, h: any, i: number) => {
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dotNotation(acc, h, props[i]);
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return acc;
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}, {});
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})
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}
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/**
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/**
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* Convert an object to a CSV string
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* Convert an object to a CSV string
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15
src/files.ts
15
src/files.ts
@ -52,6 +52,21 @@ export function fileBrowser(options: {accept?: string, multiple?: boolean} = {})
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});
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});
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}
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}
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/**
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* Extract text from a file
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*
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* @param file File to extract text from
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* @return {Promise<string | null>} File contents
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*/
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export function fileText(file: any): Promise<string | null> {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = () => resolve(<string>reader.result);
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reader.onerror = () => reject(reader.error);
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reader.readAsText(file);
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});
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}
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/**
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/**
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* Create timestamp intended for filenames from a date
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* Create timestamp intended for filenames from a date
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*
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*
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@ -1,22 +1,22 @@
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/**
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/**
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* String of all letters
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* String of all letters
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*/
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*/
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const LETTER_LIST = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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export const LETTER_LIST = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
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/**
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/**
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* String of all numbers
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* String of all numbers
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*/
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*/
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const NUMBER_LIST = '0123456789';
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export const NUMBER_LIST = '0123456789';
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/**
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/**
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* String of all symbols
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* String of all symbols
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*/
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*/
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const SYMBOL_LIST = '~`!@#$%^&*()_-+={[}]|\\:;"\'<,>.?/';
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export const SYMBOL_LIST = '~`!@#$%^&*()_-+={[}]|\\:;"\'<,>.?/';
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/**
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/**
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* String of all letters, numbers & symbols
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* String of all letters, numbers & symbols
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*/
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*/
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const CHAR_LIST = LETTER_LIST + NUMBER_LIST + SYMBOL_LIST;
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export const CHAR_LIST = LETTER_LIST + LETTER_LIST.toLowerCase() + NUMBER_LIST + SYMBOL_LIST;
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/**
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/**
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* Convert number of bytes into a human-readable size
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* Convert number of bytes into a human-readable size
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