CodeMirror/budibase
1
0
Fork 0
mirror of synced 2024-07-07 07:15:43 +12:00
Code Issues Projects Releases Wiki Activity

Re-writing pre-processor to be a bit clearer.

Browse source
This commit is contained in:
mike12345567 2021-01-21 11:37:16 +00:00
parent 239079d973
commit 1dd0eb1327
1 changed files with 67 additions and 59 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
packages/string-templates/src/custom/preprocessor.js
View file

@ -6,13 +6,21 @@ const {
includesAny,
} = require("../utilities")
function handleProcessor(string, match, fn) {
const output = fn(match)
const idx = string.indexOf(match)
return swapStrings(string, idx, match.length, output)
class Preprocessor {
constructor(name, fn) {
this.name = name
this.fn = fn
}
process(fullString, statement) {
const output = this.fn(statement)
const idx = fullString.indexOf(statement)
return swapStrings(fullString, idx, statement.length, output)
}
}
function swapToDotNotation(statement) {
const PROCESSORS = [
new Preprocessor("swap-to-dot-notation", statement => {
let startBraceIdx = statement.indexOf("[")
let lastIdx = 0
while (startBraceIdx !== -1) {
@ -24,9 +32,9 @@ function swapToDotNotation(statement) {
startBraceIdx = statement.substring(lastIdx + 1).indexOf("[")
}
return statement
}
}),
function handleSpacesInProperties(statement) {
new Preprocessor("handle-spaces-in-properties", statement => {
// exclude helpers and brackets, regex will only find double brackets
const exclusions = HelperFunctions.concat(["{{", "}}"])
// find all the parts split by spaces
@ -52,9 +60,9 @@ function handleSpacesInProperties(statement) {
}
// remove the edge case of double brackets being entered (in-case user already has specified)
return statement.replace(/\[\[/g, "[").replace(/]]/g, "]")
}
}),
function finalise(statement) {
new Preprocessor("finalise", statement => {
let insideStatement = statement.slice(2, statement.length - 2)
if (insideStatement.charAt(0) === " ") {
insideStatement = insideStatement.slice(1)
@ -66,7 +74,8 @@ function finalise(statement) {
insideStatement = `(${insideStatement})`
}
return `{{ all ${insideStatement} }}`
}
})
]
/**
* When running handlebars statements to execute on the context of the automation it possible user's may input handlebars
@ -80,16 +89,15 @@ function finalise(statement) {
* @returns {string} The string that was input with processed up handlebars statements as required.
*/
module.exports.preprocess = string => {
let preprocessors = [swapToDotNotation, handleSpacesInProperties, finalise]
for (let processor of preprocessors) {
// re-run search each time incase previous cleaner update/removed a match
for (let processor of PROCESSORS) {
// re-run search each time incase previous processor updated/removed a match
let regex = new RegExp(FIND_HBS_REGEX)
let matches = string.match(regex)
if (matches == null) {
continue
}
for (let match of matches) {
string = handleProcessor(string, match, processor)
string = processor.process(string, match)
}
}
return string